СПОСОБ И УСТРОЙСТВО ДЛЯ ПЕРЕДАЧИ ИНФОРМАЦИИ СИГНАЛИЗАЦИИ ПОСРЕДСТВОМ ИДЕНТИФИКАТОРОВ КАНАЛОВ

Настоящее изобретение относится к способам передачи информации сигнализации в системе беспроводной связи. Технический результат заявленного изобретения заключается в эффективности передачи информации сигнализации, а точнее передавать больший объем информации сигнализации, используя заданный объем системных ресурсов. Для передачи первой и второй информации сигнализации передатчик выбирает, по меньшей мере, один канал сигнализации из множества каналов сигнализации на основании первой информации сигнализации и передает вторую информацию сигнализации по выбранному каналу (по выбранным каналам) сигнализации на основании заранее заданного соответствия между множеством каналов сигнализации и множеством потоков данных. Передатчик отправляет, по меньшей мере, один поток данных, по меньшей мере, по одному каналу передачи данных в соответствии с первой и со второй информацией сигнализации. Приемник выводит первую информацию сигнализации на основании выбранного канала (выбранных каналов) сигнализации ...

СИСТЕМЫ И СПОСОБЫ ДЛЯ ПЛАНИРОВАНИЯ МНОГОКАНАЛЬНОГО ВХОДА-МНОГОКАНАЛЬНОГО ВЫХОДА (MIMO) ВЫСОКОСКОРОСТНОГО ПАКЕТНОГО ДОСТУПА ПО НИСХОДЯЩЕМУ КАНАЛУ (HSDPA) ПИЛОТНЫХ КАНАЛОВ

Изобретение относится к беспроводной связи. Технический результат - улучшение качества канальной передачи высокого порядка MIMO для UEs следующего поколения без существенного увеличения уровня помех в работе унаследованных UEs. Для этого переход от базовой оценки MIMO высокого порядка к расширенной оценке MIMO высокого порядка может быть осуществлен посредством сигнализации высокоскоростного пакетного доступа по нисходящему каналу (HSDPA) общего канала управления (HS-SCCH) запроса в одно или более устройства пользователя (UEs) следующего поколения. Базовая станция (BS) может быть выполнена с возможностью посылать HS-SCCH запрос, указывающий на активацию запланированных пилотных каналов, и затем начинать передачу запланированных пилотных каналов после приема АСК сообщения по меньшей мере из одного UE следующего поколения. BS может быть также выполнена с возможностью посылать HS-SCCH запрос, указывающий на деактивацию запланированных пилотных каналов в UEs следующего поколения, запланированные ...

СПОСОБ И УСТРОЙСТВО ПЕРЕДАЧИ ИНФОРМАЦИИ УПРАВЛЕНИЯ СКОРОСТЬЮ ПЕРЕДАЧИ ДАННЫХ В СИСТЕМЕ ПОДВИЖНОЙ СВЯЗИ ДЛЯ ПЕРЕДАЧИ ПАКЕТИРОВАННЫХ ДАННЫХ

Изобретение относится к системе подвижной связи для передачи пакетированных данных и, в частности, к способу и устройству передачи/приема информации управления скоростью передачи данных (УСПД). Для определения скорости передачи данных по линии прямой связи в системе подвижной связи типа системы ПДВС (передачи данных с высокой скоростью) информация УСПД передается по линии обратной связи только в период времени для планирования данных пользователя. Сеть доступа (СД) передает бит индикатора запроса УСПД (ИЗУ) или терминал доступа (ТД), обнаруживает преамбулы всех пользователей или свою собственную преамбулу с целью управления передачей информации УСПД. Наряду с управлением передачей информации УСПД некоторые терминалы ТД управляются для передачи сигналов пилот-каналов и каналов ИСОС в отличающиеся моменты времени относительно других терминалов ТД. Следовательно, помеховая нагрузка в линии обратной связи снижается, а пропускная способность системы обратной связи увеличивается, что и является ...

УСТРОЙСТВО РАДИОПЕРЕДАЧИ И СПОСОБ РАДИОПЕРЕДАЧИ

Изобретение относится к области мобильной связи и предназначено для улучшения рабочих характеристик приема индикатора качества канала (CQI), даже когда возникает задержка в тракте распространения, возникает ошибка синхронизации передачи или формируются остаточные взаимные помехи между величинами циклического сдвига разных последовательностей ZC. Для второго символа и шестого символа сигнала ACK/NACK, которые мультиплексируются посредством RS CQI, (+, +) или (-, -) применяются к частичной последовательности из последовательности Уолша. Для RS CQI, передаваемого с мобильной станции, + добавляется в качестве фазы RS второго символа, а – добавляется в качестве фазы RS шестого символа. Базовая станция (100) принимает мультиплексированные сигналы из сигналов ACK/NACK и сигналов CQI, переданные с множества мобильных станций. Блок (119) синтеза RS выполняет синтез посредством выравнивания фазы RS у CQI. 4 н. и 12 з.п. ф-лы, 17 ил.

УСТРОЙСТВО РАДИОПЕРЕДАЧИ И СПОСОБ РАДИОПЕРЕДАЧИ

Изобретение относится к области мобильной связи и предназначено для улучшения рабочих характеристик приема CQI, даже когда возникает задержка в тракте распространения, возникает ошибка синхронизации передачи или формируются остаточные взаимные помехи между величинами циклического сдвига разных последовательностей ZC. Для второго символа и шестого символа сигнала ACK/NACK, которые мультиплексируются посредством RS CQI, (+, +) или (-, -) применяются к частичной последовательности из последовательности Уолша. Для RS CQI, передаваемого с мобильной станции, + добавляется в качестве фазы RS второго символа, а - добавляется в качестве фазы RS шестого символа. Базовая станция (100) принимает мультиплексированные сигналы из сигналов ACK/NACK и сигналов CQI, переданные с множества мобильных станций. Блок (119) синтеза RS выполняет синтез посредством выравнивания фазы RS у CQI. 2 н. и 7 з.п. ф-лы, 17 ил.

ОБНАРУЖЕНИЕ ПРЕРЫВИСТОЙ ПЕРЕДАЧИ ПРИ ПЕРЕДАЧЕ ПОДТВЕРЖДЕНИЯ ПРИЕМА/ОТРИЦАТЕЛЬНОГО ПОДТВЕРЖДЕНИЯ ПРИЕМА ВМЕСТЕ С ЗАПРОСОМ ПЛАНИРОВАНИЯ

Заявленное изобретение относится к сигнализации между мобильным устройством (10) и сетевым узлом (12). Техническим результатом является устранение ошибочной ситуации «АСК вместо DTX» («подтверждение приема вместо прерывистой передачи»). Для этого способ включает генерацию сообщения, включающего запрос планирования. Также определяют, требуется ли передача второй индикации (например, подтверждения приема) в подкадре с первой индикацией. В ответ на определение того, что вторая индикация не должна быть включена, конфигурируют упомянутое сообщение в первой конфигурации, а в ответ на определение того, что вторая индикация должна быть включена, в сообщение также включают вторую индикацию, и сообщение конфигурируют во второй конфигурации. Первая конфигурация отличается от второй конфигурации. Способ также включает передачу упомянутого сообщения посредством беспроводного передатчика в упомянутом подкадре. Описаны также устройство и машиночитаемый носитель. 3 н. и 28 з.п. ф-лы, 12 ил., 1 табл.

СПОСОБ И УСТРОЙСТВО ДЛЯ ОПРЕДЕЛЕНИЯ ПРОСТРАНСТВА ПОИСКА, И СПОСОБ И УСТРОЙСТВО ДЛЯ ОПРЕДЕЛЕНИЯ РЕСУРСОВ-КАНДИДАТОВ КАНАЛА УПРАВЛЕНИЯ

Изобретение относится к технике связи и может использоваться для определения пространства поиска и для определения ресурсов-кандидатов канала управления. Технический результат состоит в повышении пропускной способности канала передачи. Для этого определяют число бит информации управления нисходящей линии связи каждого типа канала управления, в отношении которого в настоящий момент требуется отслеживание посредством Оборудования Пользователя (UE); определяют временное пространство поиска, соответствующее каждому типу канала управления, в отношении которого в настоящий момент требуется отслеживание посредством UE, согласно зависимости отображения между несущей-компонентом для переноса канала данных и несущей-компонентом для переноса канала управления, где зависимость отображения является зависимостью, используемой UE в настоящий момент; и определяют, что фактическим пространством поиска, соответствующим выбранному типу канала управления, являются все CCE объединения временных пространств ...

ОБРАТНАЯ ПЕРЕДАЧА ИНФОРМАЦИИ О СОСТОЯНИИ КАНАЛА ДЛЯ АГРЕГАЦИИ НЕСУЩИХ С ГИБКИМИ КОНФИГУРАЦИЯМИ НЕСУЩЕЙ

Изобретение относится к технике связи и может использоваться в системах мобильной связи. Технический результат состоит в повышении надежности связи. Для этого пользовательское оборудование (UE) может быть сконфигурировано для работы на множественных несущих с разными конфигурациями, например несущих FDD и TDD и/или несущих с разными конфигурациями восходящая линии связи - нисходящая линии связи. Множественные несущие могут иметь различные подкадры для осуществления измерений для CSI и/или различные подкадры для посылки CSI. В ответ на запрос CSI UE может определить по меньшей мере один опорный подкадр, чтобы использовать для определения CSI для множественных несущих. Опорный подкадр может быть характерным для множества несущих и может, например, быть основан на подкадре, в котором послан запрос CSI. 8 н. и 24 з.п. ф-лы, 6 табл., 14 ил.

СПОСОБ И УСТРОЙСТВО ДЛЯ ПЕРЕДАЧИ СИГНАЛИЗАЦИИ УПРАВЛЕНИЯ ВОСХОДЯЩЕЙ ЛИНИИ ПО ФИЗИЧЕСКОМУ КАНАЛУ СОВМЕСТНОГО ДОСТУПА ВОСХОДЯЩЕЙ ЛИНИИ

Изобретение относится к системам связи. Настоящее изобретение раскрывает способ передачи сигнализации управления восходящей линии по физическому каналу совместного доступа (PUSCH). Способ включает отображение сигнализации управления восходящей линии на уровни, соответствующие одному из двух потоков передаваемых транспортных блоков/кодовых слов, когда два транспортных блока/кодовых слова передаются по каналу PUSCH. Настоящее изобретение также раскрывает устройство для передачи сигнализации управления восходящей линии по каналу PUSCH. Устройство включает блок отображения, используемый для отображения сигнализации управления восходящей линии на уровни, соответствующие одному из двух потоков транспортных блоков/кодовых слов, когда два потока транспортных блоков/кодовых слов передают по каналу PUSCH; и передающий блок, используемый для передачи сигнализации управления восходящей линии. Настоящее изобретение эффективно решает проблему передачи сигнализации управления восходящей линии по каналу ...

СПОСОБ ДЛЯ СООБЩЕНИЯ ИНФОРМАЦИИ О СОСТОЯНИИ КАНАЛА И БАЗОВАЯ СТАНЦИЯ

Изобретение относится к системам связи. В изобретении предоставлен способ для сообщения информации о состоянии канала, который включает в себя этапы, на которых: eNB (eNodeB) указывает UE одновременно передать по обратной связи сообщение CSI (информации о состоянии канала) одной или нескольких компонентных несущих; UE одновременно передает по обратной связи сообщение CSI одной или нескольких компонентных несущих в соответствии с указанием eNB. Изобретение так же предоставляет eNB, который выполнен с возможностью: указания UE одновременно передать по обратной связи сообщение CSI одной или нескольких компонентных несущих. В изобретении решается задача, связанная с тем, каким образом UE выполняет передачу сообщения информации о состоянии канала для нескольких компонентных несущих (нисходящей линии связи) в системе проекта LTE-A, при этом гарантируется не только надежность передачи информации о состоянии канала, а также максимально сокращается задержка обратной связи информации о состоянии ...

ОБОРУДОВАНИЕ ПОЛЬЗОВАТЕЛЯ И СПОСОБ ДЛЯ РЕЖИМА ПРИЕМА С ПЕРЕРЫВАМИ (DRX) В СЕТЯХ БЕСПРОВОДНОЙ ПЕРЕДАЧИ ДАННЫХ

Изобретение относится к беспроводной передаче. Технический результат заключается в повышении экономичности использования энергии. Описаны варианты осуществления оборудования пользователя (UE) и способа для режима приема с перерывами (DRX) при беспроводной передаче данных. В некоторых из этих вариантов осуществления UE могут работать для определения значения для параметра DRX, на основе по меньшей мере частично информации, ассоциированной с приложением, работающим в UE. UE может передавать сообщение в улучшенный узел-В (eNB). Сообщение может включать в себя по меньшей мере одно из значения для параметра DRX и информации, ассоциированной с приложением. eNB может определять значения для параметров DRX, которые UE может использовать в режиме DRX. 3 н. и 12 з.п. ф-лы, 4 ил.

ОБЕСПЕЧЕНИЕ ФИЗИЧЕСКОГО КАНАЛА УПРАВЛЕНИЯ НИСХОДЯЩЕЙ ЛИНИИ СВЯЗИ (PDCCH) СО СФОРМИРОВАННОЙ ДИАГРАММОЙ НАПРАВЛЕННОСТИ НА НЕСУЩЕЙ РАСШИРЕНИЯ СИСТЕМЫ МОБИЛЬНОЙ СВЯЗИ

Изобретение относится к системам мобильной связи и предназначено для повышения пропускной способности канала управления нисходящей линии связи. Изобретение раскрывает систему связи, в которой предусмотрена базовая станция для связи с множеством устройств мобильной связи в системе сотовой связи. Базовая станция управляет одной или более сотами связи и передает подкадры с каждым из множества устройств связи в пределах сот(-ы), при этом каждый из подкадров содержит ресурсы связи области управления для передачи канала управления и ресурсы связи области данных для передачи соответствующего канала данных. Базовая станция передает канал управления, имеющий первую последовательность DMRS в области управления некоторых подкадров, и канал управления, имеющий вторую последовательность DMRS в области управления других подкадров. Второй канал управления может передаваться в радиолуче, сфокусированном пространственно в направлении устройства связи. Первый канал управления может передаваться всенаправленно ...

СИСТЕМА МОБИЛЬНОЙ СВЯЗИ, ММЕ, СПОСОБ УПРАВЛЕНИЯ ВХОДЯЩИМИ ВЫЗОВАМИ СИСТЕМЫ МОБИЛЬНОЙ СВЯЗИ И СПОСОБ УПРАВЛЕНИЯ ВХОДЯЩИМИ ВЫЗОВАМИ ММЕ

Изобретение относится к связи. Технический результат – предоставление устройства управления перемещением, которое, даже когда ISR (снижение объема передачи служебных сигналов при бездействии) является активным, допускает уведомление UE относительно входящего речевого вызова, сформированного, когда устройство мобильной связи перемещается из зоны регистрации позиции, управляемой посредством MME (объект управления мобильностью), в зону регистрации позиции, управляемую посредством SGSN. Для этого предусмотрено: поддержка доступа к eNB и управляющему радиоустройству 2G/3G; передача обслуживания от области беспроводной связи LTE в беспроводную связь 3G или беспроводную связь 2G; и прием, если процедура передачи обслуживания выполняется, когда MME принимает сообщение с запросом поискового вызова по SGs-интерфейсу между MME и MSC/VLR (центр коммутации мобильной связи/реестр гостевых абонентов) от MSC/VLR, принимающего входящий речевой вызов для терминала, и MME отбрасывает сообщение с запросом ...

СПОСОБ ДЛЯ ПЕРЕДАЧИ ОТЧЕТА С ИНФОРМАЦИЕЙ СОСТОЯНИЯ КАНАЛА В СИСТЕМЕ БЕСПРОВОДНОЙ СВЯЗИ И УСТРОЙСТВО ДЛЯ ЭТОГО

Изобретение относится к беспроводной связи и, в частности, к способу и устройству для передачи отчета с информацией состояния канала (CSI). Техническим результатом изобретения является обеспечение способа для определения смещения слота, связанного с отчетом CSI, когда посредством информации DCI инициируется множество настроечных параметров отчета. Технический результат достигается за счет того, что в способе выполняется прием от базовой станции сигнализации RRC, которая содержит множество настроечных параметров отчета, причем каждый настроечный параметр отчета содержит соответствующий список первых значений, представляющих смещения времени для передачи отчета CSI, формируя множество списков первых значений; прием от базовой станции информации DCI, инициирующей отчет CSI, причем информация DCI содержит значение индекса, относящееся ко времени, в которое следует передать отчет CSI на канале PUSCH; определение на основе информации DCI множества элементов списка; определение второго значения ...

ОГРАНИЧЕННЫЙ РЕСУРС В БЕСПРОВОДНОЙ СЕТИ

Изобретение относится к беспроводной связи. Предоставлены способы и устройства, которые включают в себя определение ресурсов, в которых следует измерять сигналы от базовой станции. Один или более параметров, относящихся к паттерну ограничения ресурса, могут быть предоставлены устройству для измерения сигналов в указанных ресурсах. Паттерн ограничения ресурса может соответствовать битовой карте, где каждый бит относится к периоду времени, в котором сигналы могут быть переданы базовой станцией, и данный бит может задавать, должен ли быть измерен сигнал, принятый в данном ресурсе. Паттерн ограничения ресурса может соответствовать набору защищенных ресурсов, согласованных, используя схему ограничения ресурса. 8 н. и 58 з.п. ф-лы, 11 ил.

СПОСОБ ОБРАБОТКИ ИНФОРМАЦИИ О СОСТОЯНИИ КАНАЛА, СЕТЕВОЕ УСТРОЙСТВО И ПОЛЬЗОВАТЕЛЬСКОЕ ОБОРУДОВАНИЕ

... 1. Способ обработки информации о состоянии канала, содержащий этапы, на которых:принимают, с помощью пользовательского оборудования, первый запрос информации о состоянии канала (CSI) от первого сетевого устройства, при этом первый запрос CSI используется для запуска апериодического представления отчета по CSI;после приема запроса CSI, если апериодическая CSI, соответствующая множеству апериодическим процессам CSI, не была предоставлена в отчете пользовательским оборудованием, передают с помощью пользовательского оборудования апериодическую CSI на первое сетевое устройство или второе сетевое устройство, при этом каждый процесс CSI ассоциирован с ресурсом измерения канала и ресурсом измерения помехи, и апериодическая CSI, соответствующая части множества апериодических процессов CSI, заменяется предыдущим результатом измерения и апериодическая CSI содержит предыдущий результат измерения.2. Способ по п. 1, дополнительно содержащий этап, на котором отбрасывают обработку апериодической CSI, соответствующей ...

СПОСОБ ОБНОВЛЕНИЯ ПАРАМЕТРА ЛИНИИ РАДИОСВЯЗИ В СИСТЕМЕ МОБИЛЬНОЙ СВЯЗИ

... 1. Способ обновления параметра линии радиосвязи для системы, имеющей центр управления и множество узлов радиосвязи, содержащий следующие этапы: принимают решение об обновлении линии радиосвязи в узле радиосвязи; и инициируют обновление параметра линии радиосвязи от упомянутого узла радиосвязи до центра управления. 2. Способ по п.1, в котором центром управления является контроллер сети радиосвязи (КСР). 3. Способ по п.1, в котором узлом радиосвязи является узел "Б". 4. Способ по п.1, в котором параметром линии радиосвязи является параметр, связанный с высокоскоростным пакетным доступом по нисходящей линии связи (ВПДН). 5. Способ по п.1, в котором узел радиосвязи инициирует обновление параметра путем передачи информации о параметре в центр управления. 6. Способ по п.5, в котором информация о параметре содержит, по меньшей мере, одни из следующих данных: указатель качества канала (УКК) в цепи обратной связи, коэффициент повторения сообщений о подтверждении приема/сообщений о неподтверждении ...

СПОСОБЫ УЛУЧШЕННОЙ МНОГОАДРЕСНОЙ ПЕРЕДАЧИ КОНТЕНТА

... 1. Оборудование пользователя (UE), содержащее:радиочастотный (RF) приемник для приема многоадресной передачи, содержащей описание услуг для пользователя (USD) по протоколу мультимедийной широковещательной передачи/многоадресной службы (MBMS), причем многоадресная передача содержит раздел описания и раздел соответствия; исхему процессора для идентификации пакета потоков многоадресного контента, содержащего потоки многоадресного контента, основываясь на разделе соответствия, причем каждый из множества потоков многоадресного контента соответствует одной из множества версий контента, и выбора одного из потоков многоадресного контента для обработки, основываясь на характеристиках, идентифицированных в разделе описания.2. Оборудование пользователя по п. 1, в котором схема процессора предназначена для рендеринга и воспроизведения мультимедийного контента из одного из потоков многоадресного контента.3. Оборудование пользователя по п. 1, в котором схема процессора предназначена для адаптивного переключения ...

МУЛЬТИПЛЕКСИРОВАНИЕ УПРАВЛЯЮЩЕЙ ИНФОРМАЦИИ И ИНФОРМАЦИИ ДАННЫХ ОТ ПОЛЬЗОВАТЕЛЬСКОГО ОБОРУДОВАНИЯ В ФИЗИЧЕСКОМ КАНАЛЕ ДАННЫХ

... 1. Способ для пользовательского оборудования (UE) передавать к базовой станции информацию квитирования в ответ на прием по меньшей мере одного транспортного блока (TB) на по меньшей мере одной назначенной несущей среди N назначенных несущих, причем для каждой назначенной несущей базовая станция назначает на UE соответствующий режим передачи (TM), определяющий максимальное число TB, которые UE может принять по физическому совместно используемому каналу нисходящей линии связи (PDSCH), когда он передается базовой станцией на соответствующей назначенной несущей, причем информацию квитирования передают совместно с информацией данных по физическому совместно используемому каналу восходящей линии связи (PUSCH), причем способ содержит этапы, на которых:создают посредством UE N+M битов квитирования;упорядочивают посредством UE N+M битов квитирования в кодовое слово в соответствии с порядком назначенных несущих; икодируют и передают кодовое слово,причем M является числом назначенных несущих, где ...

СПОСОБ И УСТРОЙСТВО ДЛЯ ПЕРЕДАЧИ ПЕРИОДИЧЕСКОГО ОТЧЕТА ПО ЛИНИИ ОБРАТНОЙ СВЯЗИ

... 1. Способ передачи периодического отчета по линии обратной связи, характеризующийся тем, что он включает:кодирование передаваемого по линии обратной связи периодического отчета и информации данных, соответствующих блоку передачи, соответственно, при этом периодический отчет, передаваемый по линии обратной связи, включает один из следующих видов информации: объединенная информация индекса кодирования индикатора ранга (RI) и первого индикатора матрицы предварительного кодирования (PMI-1), объединенная информация индекса кодирования RI и индикации типа предварительного кодирования (PTI), и PMI-1;прерывание соответственно кодированной информации согласно целевой длине; икогда блок передачи соответствует единственному уровню или множеству уровней, выполнение канального перемежения кодированной информации единственного уровня или множества уровней, передаваемых в блоке передачи, и передачу перемеженной информации на уровне, соответствующем физическому восходящему общему каналу (PUSCH).2. Способ ...

БАЗОВАЯ СТАНЦИЯ И СПОСОБ ПЕРЕДАЧИ СИГНАЛА

... 1. Базовая станция в системе с несколькими несущими, выполненная с возможностью осуществления частотного планирования в полосе частот, в которую входит множество блоков ресурсов, каждый из которых состоит из одного или большего количества поднесущих, включающая в себя следующие компоненты: ! частотный планировщик, определяющий информацию планирования для выделения одного или большего количества блоков ресурсов терминалу, осуществляющему связь с хорошим качеством канала, которое определяется на основе индикатора качества канала, передаваемого из каждого терминала, задействованного в процессе связи; ! блок кодирования и модуляции канала управления, передающего информацию о планировании; ! блок мультиплексирования, выполняющий мультиплексирование канала управления с разделением по частоте с каналом, отличным от канала управления, в соответствии с информацией о планировании, и ! блок передачи выходного сигнала из блока мультиплексирования в системе с несколькими несущими. ! 2. Базовая станция ...

ПРЕДОСТАВЛЕНИЕ УВЕДОМЛЕНИЙ О КАЧЕСТВЕ КАНАЛА ДЛЯ АДАПТИВНОЙ СЕКТОРИЗАЦИИ

... 1. Способ повышения эффективности в среде беспроводной связи, содержащий этапы, на которых: ! формируют первый контрольный сигнал; ! передают первый контрольный сигнал; и ! принимают, по меньшей мере, один индикатор качества канала (CQI), по меньшей мере, частично на основе первого контрольного сигнала. ! 2. Способ по п.1, дополнительно содержащий этап, на котором выполняют диспетчеризацию, по меньшей мере, одного пользовательского устройства, по меньшей мере, частично на основе, по меньшей мере, одного CQI. ! 3. Способ по п.2, дополнительно содержащий этап, на котором используют, по меньшей мере, один из методов диспетчеризации на основе мультиплексирования с пространственным разделением каналов (SDM), с множеством входов и множеством выходов (MIMO) и гибкого формирования лучей, чтобы выполнять диспетчеризацию, по меньшей мере, одного пользовательского устройства. ! 4. Способ по п.1, дополнительно содержащий этап, на котором назначают пользовательское устройство лучу, по меньшей мере, ...

СПОСОБ РАДИОСВЯЗИ И УСТРОЙСТВО РАДИОСВЯЗИ

Изобретение относится к системе радиосвязи и предназначено для увеличения пропускной способности. Изобретение раскрывает способ радиосвязи для осуществления радиосвязи посредством использования множества полос частот в первом устройстве радиосвязи и втором устройстве радиосвязи, при этом способ включает в себя этапы, на которых посредством первого устройства радиосвязи передают второму устройству радиосвязи первый запрос информации о состоянии канала, соответствующий каждой из множества полос частот; и посредством второго устройства радиосвязи передают первому устройству радиосвязи информацию, которая относится к состоянию канала применительно к полосе частот, которая указана первым запросом информации о состоянии канала, когда второе устройство радиосвязи принимает первый запрос информации о состоянии. 6 з.п. ф-лы, 77 ил.

КОНФИГУРАЦИЯ PT-RS, ЗАВИСЯЩАЯ ОТ ПАРАМЕТРОВ ПЛАНИРОВАНИЯ

Изобретение относится к области связи. Технический результат – обеспечение низких затрат для конфигурирования и/или адаптивной коррекции фазовых ошибок. Для этого раскрыт узел (10, 100) передачи для сети радиодоступа, причем узел (10, 100) передачи выполнен с возможностью передачи, на основании одного или более параметров передачи, опорной сигнализации и/или сигнализации, включающей в себя опорную сигнализацию, при этом опорная сигнализация содержит опорную сигнализацию отслеживания фазы, а указанный один или более параметров передачи содержат схему модуляции и кодирования (MCS). Раскрытие также относится к связанным устройствам и способам. 3 н. и 3 з.п. ф-лы, 12 ил.

СПОСОБ ПРЕДОСТАВЛЕНИЯ ОТЧЕТА С ИНФОРМАЦИЕЙ О СОСТОЯНИИ КАНАЛА, ПОЛЬЗОВАТЕЛЬСКОЕ ОБОРУДОВАНИЕ И БАЗОВАЯ СТАНЦИЯ

... 1. Способ предоставления отчета с информацией о состоянии канала, включающий в себя:прием посредством пользовательского оборудования, сигнальной индикации, передаваемой базовой станцией, причем сигнальная индикация содержит идентификационную информацию для запуска предоставления отчета с информацией о состоянии канала;определение набора измерений, которому соответствует отчет с информацией о состоянии канала, согласно идентификационной информации, причем набор измерений содержит информацию об одной или более точках передачи пользовательского оборудования; ипредоставление отчета с соответствующей информацией о состоянии канала в базовую станцию в соответствии с набором измерений.2. Способ по п. 1, в котором перед этапом приема пользовательским оборудованием сигнальной индикации, переданной базовой станцией, способ дополнительно содержит:прием сигналов высокого уровня, переданных базовой станцией, причем сигналы высокого уровня содержат соответствующую взаимосвязь между идентификационной ...

СИГНАЛИЗАЦИЯ ИНФОРМАЦИИ РАЗРЕШЕНИЯ ПЛАНИРОВАНИЯ В СИСТЕМЕ БЕСПРОВОДНОЙ СВЯЗИ

... 1. Объект инфраструктуры беспроводной связи, содержащий:приемопередатчик;контроллер, коммуникативно связанный с приемопередатчиком,причем контроллер выполнен с возможностью формирования битов четности на основании информации разрешения планирования,при этом контроллер выполнен с возможностью кодирования битов четности на основании дополнительной информации разрешения планирования, не используемой для формирования битов четности,причем кадр, внутри которого должна передаваться информация разрешения планирования, указывает упомянутую дополнительную информацию разрешения планирования, при этом упомянутый кадр входит в состав многокадровой структуры, ипри этом закодированные биты четности объединяются с информацией разрешения планирования.2. Объект по п.1, в котором контроллер выполнен с возможностью кодирования битов четности посредством скремблирования битов четности при помощи уникального набора битов, соответствующего дополнительной информации разрешения планирования, не используемой для ...

ТЕРМИНАЛ ПОЛЬЗОВАТЕЛЯ, БАЗОВАЯ РАДИОСТАНЦИЯ, СИСТЕМА РАДИОСВЯЗИ И СПОСОБ РАДИОСВЯЗИ

УСТРОЙСТВО РАДИОПЕРЕДАЧИ И СПОСОБ РАДИОПЕРЕДАЧИ

... 1. Способ радиосвязи, содержащий этапы, на которых:принимают сигнал подтверждения или отрицательного подтверждения (ACK/NACK), кодированный с расширением спектра с помощью ортогональной последовательности, которая выбрана из множества ортогональных последовательностей, причем множество ортогональных последовательностей включает в себя больше ортогональных последовательностей, которые представляют синфазными два значения, соответственно соответствующие N-му символу и M-му символу интервала передачи сигнала ACK/NACK, чем ортогональных последовательностей, которые представляют упомянутые два значения во взаимно противоположных фазах,декодируют с помощью декодирования обратного кодированию с расширением спектра сигнал ACK/NACK, кодированный с расширением спектра, в интервале передачи сигнала ACK/NACK с помощью ортогональной последовательности,принимают два опорных сигнала (RS), которые получены посредством умножения двух последовательностей опорных сигналов на значения, которые находятся взаимно ...

СПОСОБ И УСТРОЙСТВО ДЛЯ ОПРЕДЕЛЕНИЯ ПРОСТРАНСТВА ПОИСКА И СПОСОБ И УСТРОЙСТВО ДЛЯ ОПРЕДЕЛЕНИЯ РЕСУРСОВ-КАНДИДАТОВ КАНАЛА УПРАВЛЕНИЯ

... 1. Способ определения пространства поиска, содержащий этапы, на которых:определяют число бит информации управления нисходящей линии связи каждого типа канала управления, в отношении которого в настоящий момент требуется отслеживание посредством оборудования пользователя, UE;определяют временное пространство поиска, соответствующее каждому типу канала управления, в отношении которого в настоящий момент требуется отслеживание посредством UE, в соответствии с зависимостью отображения между несущей-компонентом для переноса канала данных и несущей-компонентом для переноса канала управления, при этом зависимость отображения используют посредством UE в настоящий момент; иопределяют, что фактическим пространством поиска, соответствующим выбранному типу канала управления, являются все CCE объединения временных пространств поиска, соответствующих всем или части каналов управления с одинаковым числом бит информации управления нисходящей линии связи, или часть CCE объединения временных пространств ...

ОБРАТНАЯ ПЕРЕДАЧА ИНФОРМАЦИИ О СОСТОЯНИИ КАНАЛА ДЛЯ АГРЕГАЦИИ НЕСУЩИХ С ГИБКИМИ КОНФИГУРАЦИЯМИ НЕСУЩЕЙ

... 1. Способ для беспроводной связи, содержащий:определение в первом узле по меньшей мере одного опорного подкадра для определения информации состояния канала (CSI) для множества несущих, имеющих по меньшей мере две разные конфигурации, при этом упомянутое множество несущих содержат одно из: по меньшей мере одной несущей, сконфигурированной для дуплексной передачи с частотным разделением (FDD), агрегированной с по меньшей мере одной другой несущей, сконфигурированной для дуплексной передачи с временным разделением (TDD), или первой несущей, имеющей первую конфигурацию восходящая линия связи - нисходящая линия связи, агрегированной со второй несущей, имеющей вторую конфигурацию восходящая линия связи - нисходящая линия связи;определение CSI для множества несущих на основании этого по меньшей мере одного опорного подкадра; ипредоставление отчета о CSI для множества несущих второму узлу,причем определение по меньшей мере одного опорного подкадра содержит определение единственного опорного подкадра ...

ОБЕСПЕЧЕНИЕ ФИЗИЧЕСКОГО КАНАЛА УПРАВЛЕНИЯ НИСХОДЯЩЕЙ ЛИНИИ СВЯЗИ (PDCCH) СО СФОРМИРОВАННОЙ ДИАГРАММОЙ НАПРАВЛЕННОСТИ НА НЕСУЩЕЙ РАСШИРЕНИЯ СИСТЕМЫ МОБИЛЬНОЙ СВЯЗИ

... 1. Аппаратура связи для связи с множеством устройств мобильной связи в системе сотовой связи, причем упомянутая аппаратура содержит:средство управления по меньшей мере одной сотой связи;средство передачи, посредством множества антенных портов, множества подкадров с каждым из множества устройств связи в пределах упомянутой по меньшей мере одной соты, при этом:каждый подкадр содержит множество ресурсов связи, определяющих область управления для передачи соответствующего канала управления, и множество ресурсов связи, определяющих область данных для передачи соответствующего канала данных; иупомянутое средство передачи выполнено с возможностью передавать:первую информацию управления, используя первую структуру опорного сигнала и используя первый антенный порт; ивторую информацию управления, используя вторую структуру опорного сигнала и используя второй антенный порт.2. Устройство связи для связи с аппаратурой связи системы сотовой связи, причем упомянутое устройство содержит:средство регистрации ...

СИСТЕМЫ И СПОСОБЫ ДЛЯ ПЛАНИРОВАНИЯ МНОГОКАНАЛЬНОГО ВХОДА-МНОГОКАНАЛЬНОГО ВЫХОДА (MIMO) ВЫСОКОСКОРОСТНОГО ПАКЕТНОГО ДОСТУПА ПО НИСХОДЯЩЕМУ КАНАЛУ (HSDPA) ПИЛОТНЫХ КАНАЛОВ

... 1. Способ улучшенной оценки канала многоканального MIMO, содержащий:прием множества общих пилотных каналов посредством множества приемных антенн;выполнение базовой оценки канала многоканальный вход - многоканальный выход (MIMO) в соответствии с множеством общих пилотных каналов;прием посредством высокоскоростного пакетного доступа по нисходящему каналу (HSDPA) общего канала управления (HS-SCCH) запроса из базовой станции;определение, что HS-SCCH запрос указывает на передачу одного или более запланированных пилотных каналов;прием одного или более запланированных пилотных каналов посредством одной или более из множества приемных антенн в ответ на определение, что HS-SCCH запрос указывает на передачу одного или более запланированных пилотных каналов; ивыполнение улучшенной оценки канала многоканального MIMO, используя множество общих пилотных каналов и один или более запланированные пилотные каналы.2. Способ по п. 1 дополнительно содержит посылку сообщения подтверждения (АСК) на базовую станцию ...

Mobiles Endgerät und dazu gehörige Methode zur Kanalkompensation

Wireless communications

Channel quality indicators

Fixed HS-DSCH or E-DCH allocation for voip (or HS-SCCH/E-DCH without E-DPCCH).

Fixed HS-DSCH or E-DCH allocation for voip (or HS-DSCH without HS-SCCH/E-DCH without E-DPCCH)

Fixed HS-DSCH or E-DCH allocation for voip (or HS-DSCH without HS-SCCH/E-DCH without E-DPCCH)

Fixed HS-DSCH or E-DCH allocation for voip (or HS-DSCH without HS-SCCH/E-DCH without E-DPCCH)

ACTIVE QUANTITIES FOR THE GRANT, CONFIRMATION AND GUESSING PRICE INCREASE

USE OF PHYSICAL UPLINK CONTROL CHANNEL IN A PARTNERSHIP PROJECT COMMUNICATION SYSTEM OF THE THIRD GENERATION

DEVICE AND PROCEDURE FOR THE SUPPLY OF UPLINK INTERFERENCE CO-ORDINATION IN A RADIO COMMUNICATION SYSTEM

CHANNEL QUALITY MEASUREMENTS FOR THE DESCENT OPERATIONAL FUND DISPATCHING

PROCEDURE FOR THE RESTRICTION CHANNEL QUALITY INDICATOR TRANSMISSION FROM A TERMINAL

Method and apparatus for determining transport block size

Disclosed in the embodiments of the present application are a method and an apparatus for determining a transport block size (TBS). The method comprises: a terminal device receiving control information sent by a network device, the control information comprising indication information and resource information concerning a data channel; the terminal device determining, according to a first mapping relationship set and the indication information, a modulation mode and an encoding rate, and determining the number of time-frequency resources according to the resource information concerning the data channel; the terminal device determining a TBS according to the modulation mode, the encoding rate and the number of time-frequency resources; and the terminal device decoding, on the basis of the TBS, the data channel borne on the time-frequency resources or the terminal device sending, on the basis of the TBS, the data channel on the time-frequency resources. The embodiments of the present application ...

Communication system, transmission device, reception device, and data communication method

DTX detection when ACK/NACK is transmitted with scheduling request

Rank indicator transmission during discontinuous reception

A user equipment (UE) is disclosed. The UE includes a processor configured to transmit a rank indicator (RI) using one of an assigned periodic RI reporting resource that precisely aligns with the start on an on-duration of a discontinuous reception (DRX) operation mode of the UE and a first assigned periodic RI reporting resource after the start of the on-duration.

Method of estimating signal-to-noise ratio, method of adjusting feedback information transmission, adaptive modulation and coding method using the same, and transceiver thereof

Control signal aggregation in a multi-carrier WCDMA system

Methods and apparatus are disclosed for transmitting data to a remote node via each of two or mote transmitted earner signals, wherein a distinct outbound packet data traffic channel is mapped to each transmitted carrier signal. In an exemplary method, aggregated control channel data is formed by combining control channel data corresponding to each of two or more received carrier signals, simultaneously transmitting traffic channel data to the remote node on each of the two o or more outbound packet data traffic channels, and transmitting the aggregated control channel data using one or more physical control channels mapped to a first one of the transmitted carrier signals. In particular, these methods and apparatus may be applied to a multi-carrier High-Speed Packet Access (HSPA) system.

Channel quality measurements for downlink resource allocation

Dynamic channel quality measurement procedure for adaptive modulation and coding techniques

Apparatus, and associated method, for performing reverse-link traffic measurements in a radio communication system

Virtual carrier aggregation method, base station and user equipment

Provided are a virtual carrier aggregation method, a base station and user equipment. The virtual carrier aggregation method comprises: a base station receiving measurement capability indication information and capability indication information about receiving data transmission which are reported by UE; according to the measurement capability indication information, selecting a measurement set for the UE; and notifying the UE of the measurement set, the capability indication information about receiving data transmission comprising carrier information about simultaneously receiving data transmission which is supported by the UE, and the measurement capability indication information comprising capability indication information about the UE measuring CSI and/or capability indication information about the UE measuring an RSRP. The present invention can achieve the flexible selection of an activated carrier set for UE by a base station.

Rate control of device-to-device based relay communication

In one aspect of the disclosure, to improve the performance of device-to-device based relay communication, a method, a computer-readable medium, and an apparatus for performing rate control based on feedback from participating UEs are provided. The apparatus may be a first UE. The first UE may receive a signal from a second UE through a device-to-device communication channel. The first UE may determine a feedback based on the received signal. The first UE may transmit the feedback to adjust transmission of the signal at the second UE. In another aspect of the disclosure, a first UE may transmit a signal to a second UE through a device-to-device communication channel. The first UE may receive a feedback of the signal. The first UE may adjust transmission of the signal based on the feedback.

Discontinuous reception procedures with enhanced component carriers

Methods, systems, and devices for wireless communication are described. Discontinuous reception (DRX) operation may be configured differently on enhanced component carriers (eCCs) than on other component carriers, including a primary cell (PCell). In some cases, a user equipment (UE) may be configured with several different eCC DRX modes. An eCC DRX configuration may, for example, be coordinated with downlink (DL) transmission time interval (TTI) scheduling so each DRX ON duration may correspond to a DL burst duration of the corresponding eCC. The eCC DRX ON durations may also be scheduled according to hybrid automatic repeat request (HARQ) process scheduling. In some examples, eCC DRX ON durations may be based on listen-before-talk (LBT) procedures. In some cases, eCC DRX ON durations may be configured to contain an uplink (UL) burst to enable channel state information (CSI) reporting. The eCC DRX may also be configured to minimize interruption of the PCell.

METHOD OF PROVIDING POINT-TO-MULTIPOINT SERVICE IN MOBILE COMMUNICATION SYSTEM

A method of providing a point-to-multipoint service in a mobile communication system and transmission controlling method thereof are disclosed, by which a better quality of a point-to-multipoint service can be provided in a manner of coping with time-variable channel situation variable adaptively. In a mobile communication system providing a point-to-multipoint service, the present invention includes the steps of receiving data for the point-to-multipoint service from a base station, measuring a reception quality for the received point-to-multipoint service data, and transmitting reception quality information for the point-to-multipoint service data to the base station.

CHANNEL QUALITY INFORMATION REPORTING METHOD, BASE STATION, AND USER EQUIPMENT

A channel quality information reporting method for reporting channel qual ity information from a user terminal to a base station comprises: a format d etermination step in which the base station determines a channel quality inf ormation format based on information from the user terminal; a format transm ission step in which the base station transmits the determined channel quali ty information format to the user terminal; and a channel quality informatio n generation step in which the user terminal generates channel quality infor mation based on the received channel quality information format. The base st ation may determine the channel quality information format based on a requir ed data rate. The base station may also determine the channel quality inform ation format based on a delay spread. The base station may also determine th e channel quality information format based on a moving speed.

A METHOD AND APPARATUS FOR DISPATCHING A CHANNEL QUALITY INDICATOR FEEDBACK IN MULTICARRIER SYSTEM USING AN ANCHOR CARRIER SCHEME

In accordance with one or more aspects and corresponding disclosure thereof, various aspects are described in connection with channel quality indicator (CQI) feedback in connection with one or more downlink carriers. An anchor carrier scheme is employed to provide channel quality indicator (CQI) feedback of one or more downlink carriers. An indication is set to identify that a designated uplink carrier is used to convey the CQI feedback. An uplink carrier is selected from a set of uplink carriers as an anchor carrier to convey the CQI feedback. CQI feedback is transmitted for one or more downlink carriers using the designated carrier.

APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING CHANNEL QUALITY INFORMATION IN A COMMUNICATION SYSTEM

GRANT, ACKNOWLEDGEMENT, AND RATE CONTROL ACTIVE SETS

... ²²²Embodiments disclosed herein address the need in the art for efficient ²management of grant, acknowledgement, and rate control channels. In one ²aspect, a list associated with a first station is generated or stored, the ²list comprising zero or more identifiers, each identifier identifying one of a ²plurality of second stations for sending a message to the first station. In ²another aspect, sets of lists for one or more first stations are generated or ²stored. In yet another aspect, the messages may be acknowledgements, rate ²control commands, or grants. In yet another aspect, messages comprising one or ²more identifiers in the list are generated. Various other aspects are also ²presented. These aspects have the benefit of reduced overhead while managing ²grant, acknowledgment and rate control messaging for one or more remote ²stations.² ...

CHANNEL QUALITY REPORTING FOR ADAPTIVE SECTORIZATION

... ²²²Apparatuses and methodologies are described that enhance performance in a ²wireless communication system using beamforming transmissions. According to ²one aspect, the channel quality is monitored. Channel quality indicators can ²be used to select a scheduling technique, such as space division multiplexing ²(SDM), multiple-input multiple output (MIMO) transmission and opportunistic ²beamforming for one or more user devices. In addition, the CQI can be used to ²determine the appropriate beam assignment or to update the beam pattern.² ...

METHOD AND APPARATUS FOR CONFIGURING CHANNEL QUALITY INDICATOR AND METHOD AND APPARATUS FOR CONFIGURING MODUALATION AND CODING SCHEME

Provided in the embodiments of the present invention are a Channel Quality Indicator (CQI) configuration method and Modulation and Coding Scheme configuration method and apparatus. The CQI configuration method comprises: a base station (eNB) uses CQI index table instruction information to configure a CQI index table for a UE; the UE determines the configured CQI index table on the basis of the instruction information, and, using the configured CQI index table, calculates the CQI index on the basis of the calculated Precoding Matrix Indicator (PMI) and Rank Indication (RI). The present embodiments allow a base station, under the precondition that the CQI index and IMCS bit numbers remain unchanged, to configure a different '4-bit CQI table' and/or 'modulation and TBS number table' for different UEs. Therefore, CQI index and IMCS bit numbers need not be increased and normal configuration of the LTE system may be ensured.

METHODS AND APPARATUSES FOR SIGNALING IN DYNAMIC TIME DIVISION DUPLEX SYSTEMS

The present invention relates to a method in a UE served by a network node, a method in the network node, the UE, and the network node. The network node is applying dynamic TDD with flexible subframes. The method comprises receiving (900) a first configuration message from the network node indicating a TDD reference configuration, and determining (910) in which subframe to signal HARQ information based on the TDD reference configuration. The method further comprises receiving (920) a second configuration message from the network node indicating a set of DL subframes that may comprise explicit signaling messages, monitoring (930) the indicated set of DL subframes,and receiving (940) an explicit signaling message in response to monitoring. The explicit signaling message designates a subframe in which the UE shall receive a DL signal. The method also comprises preparing(950) to receive the DL signal in the designated subframe.

RANK INDICATOR TRANSMISSION DURING DISCONTINUOUS RECEPTION

A user equipment (UE) is disclosed. The UE includes a processor configured to transmit a rank indicator (RI) using one of an assigned periodic RI reporting resource that precisely aligns with the start on an on-duration of a discontinuous reception (DRX) operation mode of the UE and a first assigned periodic RI reporting resource after the start of the on-duration.

WIRELESS COMMUNICATION SYSTEM, BASE STATION APPARATUS AND MOBILE STATION APPARATUS

... ²Transmission frequencies are individually and flexibly established in ²accordance with ²the types of pieces of feedback information transmitted from a mobile station ²apparatus ²to a base station apparatus, thereby optimizing the transmission period in ²accordance ²with the types of pieces of feedback information to minimize the degradation ²in the ²system throughput caused by the fact that the transmission period is not ²identical with ²the optimum one. A wireless communication system wherein a mobile station ²apparatus ²(B) determines a reception quality of a signal received from a base station ²apparatus (A) ²and transmits, to the base station apparatus (A), pieces of feedback ²information ²generated based on the reception quality. The base station apparatus (A) ²assigns ²resources of transmission timings in accordance with the types of pieces of ²feedback ²information, while the mobile station apparatus (B) uses the assigned ²resources to ²transmit a plurality of types of pieces of ...

FLEXIBLE CHANNEL QUALITY INDICATOR REPORTING

System (s) and method (s) are provided that facilitate flexible channel q uality indicator (CQI) reporting directives or policies. A CQI reporting dir ective delivers an improved tradeoff between reporting accuracy and overhead by establishing subband-specif ic reporting periods, reporting repetitions, or power requirements. The CQI reporting directive is based at least in par t on channel conditions, traffic requirements, and scheduling techniques. Au tomated optimization and negotiation of a CQI reporting directive based on c ommunication performance is also incorporated.

USING AN UPLINK GRANT AS TRIGGER OF FIRST OR SECOND TYPE OF CQI REPORT

Channel state feedback is provided from a UE (800) to a base station (700 ) as a first, detailed or a second, less detailed type of channel state feed back information. Initially it is determined (403) whether the UE has receiv ed an uplink grant from the base station or not. If the UE has received an u plink grant, a first type of channel state feedback information is transmitt ed (404) to the base station on the granted resource. If, however, the UE ha s not received an uplink grant, a second type of channel state feedback info rmation is transmitted (405) to the base station. Different types of channel state feedback information enables a UE and an associated base station to u se available resources more efficiently, when requesting for and delivering channel state feedback information.

DTX DETECTION WHEN ACK/NACK IS TRANSMITTED WITH SCHEDULING REQUEST

A method for signaling between a mobile apparatus (10) and a network node (12) is described. The method includes generating a message that includes a scheduling request. Determining whether a second indication (e.g., an acknowledgment) is to be transmitted in a sub-frame with the first indication is also included. The method includes, in response to a determination that the second indication is not to be included, the message is configured in a first configuration and, in response to a determination that the second indication is to be included, the message also includes the second indication and the message is configured in a second configuration. The first configuration is distinct from the second configuration. The method also includes sending the message, via a wireless transmitter, in the sub-frame. Apparatus and computer-readable media are also described.

HETEROGENEOUS NETWORK (HETNET) USER EQUIPMENT (UE) RADIO RESOURCE MANAGEMENT (RRM) MEASUREMENTS

Methods and apparatus for performing radio resource management (RRM) measurements in a heterogeneous network (HetNet) are provided in an effort to prevent failure of RRM measurement procedures in a dominant interference scenario. Several alternatives are provided for determining particular resources (e.g., subframes) to use for performing the RRM measurements, wherein the particular resources are based on cooperative resource partitioning between cells of the HetNet, wherein the cells may be of different types (e.g., macro, pico, or femto cells). These alternatives include, for example: (1) intra-frequency or intra-RAT (radio access technology) alternatives, which may involve transmitting resource partitioning information (RPI) in or deriving non-serving cell RPI based on the serving cell's RPI, as well as (2) inter-frequency or inter-RAT alternatives, where the RRM measurements may be performed during a measurement gap.

MOBILE STATION APPARATUS, BASE STATION APPARATUS, COMMUNICATION METHOD AND COMMUNICATION SYSTEM

A mobile station apparatus includes a transmitting section and a processing section. The transmitting section is configured to periodically transmit feedback information concerning a number of spatially multiplexed signal sequences and reception quality information calculated based on the feedback information to a base station apparatus. The processing section is configured to calculate the reception quality information based on a predetermined number of spatially multiplexed signal sequences in a case that the feedback information is not transmitted to the base station apparatus, and transmits the reception quality information to the base station apparatus, where the predetermined number of spatially multiplexed signal sequences is defined by a specification between the base station apparatus and the mobile station apparatus.

METHOD AND SYSTEM FOR LOW POWER DOWNLINK TRANSMISSION IN HETEROGENOUS NETWORKS

A method and user equipment for providing channel quality indicator feedback, the method receiving, at the user equipment, a power offset value; measuring, at the user equipment, a channel quality indicator over a reference symbol resource element; and scaling, at the user equipment, the channel quality indicator using the power offset value during an almost blank subframe. Also, a method and network element for coordination between network nodes in a heterogeneous network, the method receiving, at a first network node, load information from at least one other network node; configuring an almost blank subframe (ABS) pattern and a power offset value based on the received load information; providing the power offset value to at least one other network node; and signalling at least one of the power offset value and an ABS threshold value to at least one user equipment.

SYSTEM OF WIRELESS CONNECTION, THE DEVICE OF BASE STATION AND THE DEVICE OF THE MOBILE STATION

УСТРОЙСТВО МОБИЛЬНОЙ СТАНЦИИ, УСТРОЙСТВО БАЗОВОЙ СТАНЦИИ, СПОСОБ СВЯЗИ И СИСТЕМА СВЯЗИ

Предоставляется система мобильной связи, в которой устройство мобильной станции периодически передает на устройство базовой станции информацию количества последовательностей сигнала передачи и информацию качества приема, вычисленную согласно информации количества последовательностей сигнала передачи. Когда сигнал количества/качества последовательностей сигнала передачи не может периодически передаваться, возможно пояснить, какое количество последовательностей сигнала передачи является информацией качества приема относительно приема, выполненного немедленно после этого так, чтобы устройство базовой станции могло выполнить соответствующее распределение ресурсов связи. Система мобильной связи включает в себя блок (65) управления информацией обратной связи, который генерирует информацию обратной связи, включающую в себя информацию качества приема, информацию предварительной обработки сигнала передачи и информацию количества последовательностей сигнала передачи; и блок (51) радиопередачи, который ...

УСТРОЙСТВО МОБИЛЬНОЙ СТАНЦИИ, УСТРОЙСТВО БАЗОВОЙ СТАНЦИИ, СПОСОБ СВЯЗИ И СИСТЕМА СВЯЗИ

Предоставляется система мобильной связи, в которой устройство мобильной станции периодически передает на устройство базовой станции информацию количества последовательностей сигнала передачи и информацию качества приема, вычисленную согласно информации количества последовательностей сигнала передачи. Когда сигнал количества/качества последовательностей сигнала передачи не может периодически передаваться, возможно пояснить, какое количество последовательностей сигнала передачи является информацией качества приема относительно приема, выполненного немедленно после этого так, чтобы устройство базовой станции могло выполнить соответствующее распределение ресурсов связи. Система мобильной связи включает в себя блок (65) управления информацией обратной связи, который генерирует информацию обратной связи, включающую в себя информацию качества приема, информацию предварительной обработки сигнала передачи и информацию количества последовательностей сигнала передачи; и блок (51) радиопередачи, который ...

СПОСОБ И УСТРОЙСТВО ДЛЯ ПЕРЕДАЧИ ОТЧЕТА И УПРАВЛЕНИЯ ЯЧЕЙКАМИ В СИСТЕМЕ С МНОЖЕСТВОМ НЕСУЩИХ

Предоставленные способы и устройства для облегчения управления ячейками в системе со многими несущими от терминала доступа и базовой станции. Базовая станция и терминал доступа связываются с помощью несущей с привязкой и дополнительной несущей. Алгоритм инициирования, который генерируется базовой станцией, передается на терминал доступа. Алгоритм инициирования включает в себя команды для терминала доступа передавать в виде отчета измерения нисходящей линии связи как функции событий инициирования, выявленных на несущей с привязкой и/или дополнительной несущей. Измерения нисходящей линии связи, принятые терминалом доступа, выдаются базовой станции. Команды управления ячейками основываются, в частности, на измерениях нисходящей линии связи, потом выдаются терминалу доступа базовой станцией.

СИСТЕМА БЕСПРОВОДНОЙ СВЯЗИ, УСТРОЙСТВО БАЗОВОЙ СТАНЦИИ И УСТРОЙСТВО МОБИЛЬНОЙ СТАНЦИИ

Частоты передачи устанавливаются индивидуально и с гибкостью, согласно типам частей информации обратной связи, переданной от устройства мобильной станции на устройство базовой станции, таким образом оптимизируя период передачи согласно типам частей информации обратной связи, чтобы свести к минимуму ухудшение в пропускной способности системы, вызванное тем, что период передачи не идентичен оптимальному периоду. Система беспроводной связи, в которой устройство (B) мобильной станции определяет качество приема сигнала, принятого от устройства (A) базовой станции, и передает на устройство (A) базовой станции части информации обратной связи, сгенерированной на основании качества приема. Устройство (A) базовой станции назначает ресурсы тактирования передачи согласно типам частей информации обратной связи в то время, как устройство (B) мобильной станции использует назначенные ресурсы для передачи множества типов частей информации обратной связи на устройство базовой станции.

Dynamic Channel Quality Measurement Procedure for Adaptive Modulation and Coding Techniques

A channel state information feedback method and device

Transmission method, network equipment and terminal

A method of transmitting at least one sub-packet based on feedback information in a wireless communication system

A method of transmitting subsequent sub-packets in a wireless communication system using a hybrid automatic request (HARQ) technique is disclosed. The method includes receiving feedback information from at least one receiving end, transmitting a transmit packet via at least one overhead channel, wherein the transmit packet includes information on carrier and antenna combination selected for subsequent transmission, and transmitting at least one sub-packet according to the selected carrier and antenna combination.

Method for implementing link self-daptation, network device and terminal device

Disclosed is a method for implementing link self-adaptation, comprising: sending a downlink sounding channel and a channel quality information CQI feedback resource indication; and receiving CQI information, and selecting a suitable transmission mode for downlink data transmission according to the CQI information. Further disclosed are a network device and a terminal device. By using the method and devices provided in the present invention, the spectrum utilization rate and system performance can be improved.

Information transmission method, the transmitting terminal equipment and the receiving apparatus

In the wireless network for the physical uplink control channel feedback of mobile station

Apparatus, and associated method, for performing reverse-link traffic measurements in a radio communications system

자원 지시 처리 방법 및 처리 장치, 액세스 포인트, 및 스테이션

OFDMA 기술을 이용하는 무선 근거리 통신망에 적용되는 자원 지시 처리 방법이 제공된다. 자원 지시 처리 방법은 자원 지시 필드를 포함하는 프레임을 송신하거나 또는 수신하는 단계를 포함한다. 여기서, 자원 지시 필드는 사용자의 식별자 및 사용자의 식별자에 대응하고 있는 자원 블록 정보와 변조 및 코딩 방식(modulation and coding scheme, MCS) 정보를 포함한다.

METHOD FOR NON-UNIFORM MAPPING OF BIT SEQUENCES AND A CORRESPONDING DEVICE

DYNAMIC CHANNEL QUALITY MEASUREMENT PROCEDURE FOR ADAPTIVE MODULATION AND CODING TECHNIQUES

MEAN SQUARE ESTIMATION OF CHANNEL QUALITY MEASURE

RATE CONTROL METHOD AND APPARATUS FOR DATA PACKET TRANSMISSION

APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING A CHANNEL QUALITY INFORMATION IN A COMMUNICATION SYSTEM

METHOD AND APPARATUS FOR CHANNEL FEEDBACK BY MULTIPLE DESCRIPTION CODING IN A WIRELESS COMMUNICATION SYSTEM

무선통신 시스템에서 기기 내 공존 간섭을 제어하는 장치 및 방법

... 무선 통신 시스템에서 단말이 기기내 공존간섭(In-Device Coexistence interference : IDC)을 제어하는 방법 및 장치가 제공된다. IDC 제어 방법은 IDC가 진행중인 상태가 시작되었음을 나타내는 IDC 이벤트를 트리거링하는 조건으로 사용되는 IDC 트리거링 문턱값(threshold)을 포함하는 측정 설정 정보를 기지국으로부터 수신하는 단계, 상기 측정 설정 정보를 기초로 서빙셀에서 IDC를 고려한 측정을 수행하고 이웃셀에서 IDC를 고려하지 않은 측정을 수행하는 단계, 상기 IDC를 고려한 측정의 결과와 상기 IDC를 고려하지 않은 측정의 결과의 차이가 상기 IDC 트리거링 문턱값보다 크면 상기 IDC 이벤트를 트리거링 하는 단계 및 상기 IDC 이벤트가 트리거링되었는지 여부를 지시하는 IDC 지시자 및 상기 IDC를 고려한 측정의 결과와 상기 IDC를 고려하지 않은 측정의 결과를 포함하는 측정 보고 정보를 상기 기지국으로 전송하는 단계를 포함한다. IDC 제어 방법에 따르면 무선 네트워크에서 기기내 공존간섭이 발생 또는 종료를 지시하는 이벤트를 지시할 수 있소, 기기내 공존간섭의 발생을 회피하도록 동작할 수 있고, 기기내 공존간섭을 제어하는 동작을 너무 자주 수행하거나 너무 적게 수행하지 않도록 적절히 트리거링할 수 있다.

A method of transmitting at least one sub-packet based on feedback information in a wireless communication system

CHANNEL QUALITY MEASUREMENTS FOR DOWNLINK RESOURCE ALLOCATION

METHOD AND APPARATUS FOR TRANSMITTING CONTROL INFORMATION

METHOD, SYSTEM AND USER EQUIPMENT FOR REPORTING MEASUREMENT RESULTS IN MULTI-CARRIER SYSTEM

Method for informing user equipment of downlink control message construction information in cellular system

A method for transmitting control messages from a base station to a user equipment in a cellular system is disclosed. The method includes grouping a plurality of control messages for at least one user equipment based on at least one criteria of whether or not uplink ACK/NACK channel indexes are allowed to be implicitly used in the control messages, whether or not the user equipment corresponding to the control messages is able to implicitly use the uplink ACK/NACK channel indexes, sizes of Information Elements (IEs) of the control messages, whether or not the control messages are segmented into a predetermined number of subblocks, MCS levels applied to the control messages, sizes of allocated IEs of the control messages after applying the MCS levels, and frequency partitions in which the IEs of the control messages are present, and transmitting the grouped control messages.

Systems and methods for pucch feedback in 3gpp wireless networks

A mobile station for use in a wireless network. The mobile station transmits feedback values in a physical uplink control channel (PUCCH) to a base station of the wireless network. The mobile station is operable to transmit to the base station a subband second precoder matrix index (PMI) associated with a particular subband and a subband channel quality indicator (CQI) value associated with the particular subband together in a subframe of the PUCCH.

System and method for pucch subband feedback signaling in a wireless network

A mobile station for use in a wireless network. The mobile station transmits feedback reports to a base station of the wireless network. The feedback reports comprise a first feedback report, a second feedback report and a third feedback report. The first feedback report includes a precoder type indication (PTI) value that indicates at least one of a period of the second feedback report and a period of the third feedback report. The PTI value indicates a ratio of the second feedback report period to the third feedback report period. The PTI value also indicates the selected feedback information contained in the second feedback report and the third feedback report.

CQI feedback mechanisms for distortion-aware link adaptation toward enhanced multimedia communications

Link adaptation parameters for encoding of a source are selected to minimize distortion between the source and a reconstructed source induced by transmission of the source over a multiple input multiple output (MIMO) channel. Such distortion-awareness and associated joint source-channel coding ideas to support link adaptation over MIMO channels may affect system architectures for MIMO systems. CQI feedback mechanisms may ensure that these distortion-aware MIMO link adaptation techniques are applicable for downlink channels, under different forms of link adaptation, including MS-controlled vs. BS-controlled link adaptation, long-term vs. dynamic link adaptation, and presence vs. absence of distortion-awareness at the BS, for different kinds of video coding including single-layer compression and layered compression.

Heterogeneous network (hetnet) user equipment (ue) radio resource management (rrm) measurements

Methods and apparatus for performing radio resource management (RRM) measurements in a heterogeneous network (HetNet) are provided in an effort to prevent failure of RRM measurement procedures in a dominant interference scenario. Several alternatives are provided for determining particular resources (e.g., subframes) to use for performing the RRM measurements, wherein the particular resources are based on cooperative resource partitioning between cells of the HetNet, wherein the cells may be of different types (e.g., macro, pico, or femto cells). These alternatives include, for example: (1) intra-frequency or intra-RAT (radio access technology) alternatives, which may involve transmitting resource partitioning information (RPI) in or deriving non-serving cell RPI based on the serving cell's RPI, as well as (2) inter-frequency or inter-RAT alternatives, where the RRM measurements may be performed during a measurement gap.

Channel quality reporting in a mobile communication system

The invention relates methods for triggering channel quality feedback for at least one of plural component carriers of a communication system available for downlink transmission. The invention suggests a mechanism for triggering channel quality feedback from a terminal where the downlink control signaling overhead for the selection of component carrier(s) to be reported on is minimized. One aspect of the invention is a new interpretation of a predetermined format for dedicated control information comprising a CQI request flag, which is depending on the status of the CQI request flag. In case the CQI request flag is set at least one further bit of the dedicated control information is interpreted as information indicative of the one or more component carriers available for downlink transmission to the terminal and the terminal is providing channel quality feedback on the channel quality experienced on the indicated component carrier or component carriers.

Method for harq and link adaptation of device to device link in direct communication between user equipments and relaying by user equipment

Provided is a method of processing hybrid automatic repeat request (HARQ) and adaptive transmission of a device-to-device (D2D) link. In the method, an operation method of user equipment (UE) includes (a) receiving an initial transmission mode (TM) and transmission power for the D2D link from a base station, and performing data transmission through the D2D link, (b) determining, at the UE, a TM and transmission power of a succeeding subframe, or receiving a TM control value and a transmission power control value from counterpart UE of the D2D link and determining the TM and the transmission power of the succeeding subframe, and (c) performing the data transmission to the counterpart UE using the determined TM and transmission power. Here, (b) and (c) are repeated.

Method for generating and transmitting frame in a wireless local area network and apparatus for supporting the same

A channel sounding method in a wireless local area network (WLAN) system is provided. The method, performed by a transmitter, includes transmitting a null data packet announcement (NDPA) frame to a receiver to initiate a channel sounding procedure; transmitting a null data packet (NDP) to the receiver and receiving a feedback frame. The feedback frame includes a plurality of segment frames and a channel feedback report. The channel feedback report is split into a plurality of feedback segments. Each of the plurality of feedback segments is respectively included in each of the plurality of segment frames. The each of the plurality of segment frames includes a first-segment subfield indicating whether the each of the plurality of feedback segment included is a first segment and a remaining-segment subfield indicating the number of remaining feedback segments.

Apparatus and method for operating channel quality indicator channel on sleep mode in broadband wireless communication system

A Channel Quality Indicator (CQI) channel management in a broadband wireless communication system is provided. Operations of a base station include determining a CQI channel operation mode for a CQI channel of a terminal which enters a sleep mode; transmitting at least one message which instructs to enter the sleep mode and includes information indicating the CQI channel operation mode; and managing the CQI channel of the terminal according to the CQI channel operation mode while the terminal operates in the sleep mode. Candidates of the CQI channel operation mode include at least one of a first mode which deallocates the CQI channel in the sleep mode entry, a second mode which maintains the CQI channel in the sleep mode and forbids CQI channel allocation to other terminal during a sleep window, a third mode which deallocates the CQI channel in the sleep window entry without signaling, and a fourth mode which maintains the CQI channel in the sleep mode and allows the CQI channel allocation to other terminal during the sleep window.

Method and apparatus for operating subframe and transmitting channel information for controlling interference in communication system

A method and an apparatus for operating a subframe and transmitting channel information for controlling interference in a communication system are provided. If a macro evolved Node B (eNodeB) determines and reports an uplink protection subframe for suppressing uplink transmission to a neighboring eNodeB, transmits scheduling information for uplink data through a downlink subframe corresponding to an uplink protection subframe, and the uplink protection subframe determined by the neighboring eNodeB is reported, a small eNodeB sets the reported uplink protection subframe as a flexible subframe, and uses the flexible subframe for downlink transmission. If the flexible subframe is used for the downlink transmission, a terminal of the small eNodeB measures and transmits non-period channel information in the flexible subframe through at least one uplink subframe.

Method and apparatus for restricted measuring in a wireless network

Methods and apparatuses are provided that include determining resources over which to measure signals from a base station. One or more parameters related to a resource restriction pattern can be provided to the device for measuring signals over indicated resources. The resource restricted pattern can correspond to a bitmap where each bit relates to a time period over which signals can be transmitted by the base station, and the bit can specify whether a signal received over the resource should be measured. The resource restriction pattern can correspond to a set or protected resources negotiated using a resource partitioning scheme.

Method for Transmitting Up Link Control Signal in Mobile Communication System

The present invention relates to a method for transmitting uplink control information in a mobile communication system; and, more particularly, to a method for effectively forming uplink control information transmitted through a downlink from a base station to a terminal in a mobile communication system for providing a packet service and transmitting the uplink control information with minimum radio resources occupied. The method includes the steps of generating uplink control information; allocating the uplink control information to a downlink-shared radio resource for packet data transmission based on downlink scheduling information; and transmitting the radio resource to a terminal. The present invention is applied to a mobile communication system.

Implicit component carrier determination for aperiodic channel quality reports

The present invention relates to triggering, in a terminal of a communication system, channel quality feedback reporting for at least one of plural component carriers of the communication system available for downlink transmission. The at least one component carrier is selected based on the downlink traffic of the terminal. Reporting of the channel quality information is triggered by dedicated control information received by the terminal.

Method and apparatus for transmitting uplink control information in a wireless communication system

The present invention provides a method and apparatus for transmitting uplink control information (UCI) by user equipment in a wireless communication. The user equipment performs channel coding on information bits of the UCI to generate encoding information bits; performs modulation on the thus generated encoding information bits to generate complex modulation symbols; spreads the complex modulation symbols block-wise to a plurality of single carrier-frequency division multiple access (SC-FDMA) symbols based on an orthogonal sequence; and transmits the spread complex modulation symbols to a base station.

Method and device for allocating control channel

The present invention relates to a wireless communication system. More particularly, the present invention relates to a method and a device which enable a terminal to receive a control channel in a wireless communication system that uses multi-carriers, the method comprising the following steps: receiving a plurality of search space through a sub-frame, wherein each of the search spaces includes a plurality of control channel candidate sets and each of the search spaces corresponds to each of the carriers; and monitoring the control channel candidates for control channels, wherein the plurality of search spaces are connected in the resource region for the control channels according to an allocation pattern and with the starting point as the basis, and the allocation pattern changes according to time.

Mobile user terminal, mobile communication system, base station, and communication method

A mobile user terminal, which transmits downlink channel quality information indicating downlink channel quality and an uplink pilot signal to a base station, whereby a carrier frequency used for transmitting the downlink quality information and a carrier frequency used for transmitting the uplink pilot signal are selectable respectively from among a plurality of carrier frequencies assigned to the mobile user terminal; the mobile user terminal includes a radio transmitter, which transmits the downlink quality information and the uplink pilot signal in an intermittent fashion to the base station; and the radio transmitter transmits the downlink quality information and the uplink pilot signal by using a same carrier frequency among the plurality of carrier frequencies or by using adjacent carrier frequencies among the plurality of carrier frequencies, in a period corresponding to a state of intermittent communicate.

Method and apparatus for transmitting harq acknowledgement in ofdm radio communication system

A Physical Hybrid Automatic Repeat reQuest (ARQ) Indicator CHannel (PHICH) transmission method performed by a base station is provided. The method includes determining whether any PHICH resources are allocated to a current subframe; allocating, upon a determination that the current subframe does not have any PHICH resources allocated, a new PHICH resource; and transmitting a PHICH through the allocated new PHICH resource.

Method and apparatus for transmitting uplink control information in a carrier aggregation system

The present invention provides a method and apparatus for transmitting UCI (uplink control information) by user equipment in a carrier aggregation system. According to the method, the user equipment transmits UCI through a PUSCH (physical uplink shared channel) of a primary cell in a subframe that has PUSCH transmission of the primary cell; and if the subframe that does not have the PUSCH transmission of the primary cell has PUSCH transmission of at least one secondary cell, the user equipment transmits the UCI through the PUSCH of one of the at least one secondary cell. In this case, more than one serving cell is set up in the user equipment; simultaneous transmission of PUSCH and PUCCH (physical uplink control channel), with PUSCH being a data channel and PUCCH being a control channel, is not set up in the serving cells; and each of the serving cells includes the primary cell and the at least one secondary cell.

Information reporting method, base station and user equipment

A information reporting method, base station and user equipment is provided in this invention. The method comprises sending the MAC layer carrier activation signaling to the UE, for activating a first CC of the UE, the MAC layer carrier activation signaling comprising CQI instruction information, for instructing the UE to report aperiodic CQI information of a second CC of the UE, so that the UE triggers to report aperiodic CQI information of the second CC of the UE upon receiving the MAC layer carrier activation signaling. With the information reporting method, base station and user equipment provided in an embodiment of this invention, the problem of slower report of CQI information of activated CCs can be addressed.

Method, base station and system for indicating csi feedback

The present invention relates to the technical field of wireless communications. Provided arc an indication method, a base station, and a system for channel state information (CSI) feedback. The indication method comprises: the base station allocating to a user equipment (UE) a CSI feedback method (S 701 ); by means of allocation signaling, the base station transmitting to the UE the CSI feedback method allocated, instructing the CSI feedback method to be employed by the UE when making an aperiodic CSI report (S 702 ). The feedback method comprises: the UE receiving the allocation instruction transmitted by the base station, acquiring the CSI feedback method allocated for the UE by the base station; when the UE confirms the triggering of an aperiodic CSI report, using the CSI feedback method allocated therefor by the base station. In the present invention, the base station can perform the selection of the appropriate aperiodic CSI feedback method on the basis of the status of carrier allocation, thereby optimizing the CSI feedback mechanism, and improving system design flexibility.

Methods for transmitting and receiving channel state information (csi) and apparatuses thereof

A method for transmitting, by a user equipment (UE), a channel state information (CSI) in a wireless communication system is disclosed. The method includes receiving control information about a transmission of the CSI from a serving eNodeB, allocating a CSI combination composed of different CSIs to one subframe based on the received control information, and transmitting the CSI combination to the serving eNodeB in the allocated subframe, wherein the control information includes information on a maximum payload size of a CSI being able to be transmitted in one subframe, a transmission period and a transmission start time point of the CSI combination, and a transmission period and a transmission start time point of each of the different CSIs.

Method and Device for Determining Search Space, and Method and Device for Determining Candidate Control Channel Resources

A method for determining a search space includes determining the number of downlink control information bits of each type of control channel currently required to be monitored by a UE. A temporary search space corresponding to the each type of control channel is determined according to a mapping relationship currently used by the UE. It is determined that an actual search space corresponding to a selected type of control channel is all or a part of CCEs of a union of temporary search spaces corresponding to all or a part of control channels with the same number of the downlink control information bits when the DCI bit number of one or more other control channels is the same as the DCI bit number of the selected type of control channel.

Method and device for transmitting control information

The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for transmitting uplink control information where a plurality of cells are configured, and comprises: a step for receiving one or more PDCCH; a step for generating reception response information corresponding to the one or more PDCCH; and a step for transmitting through PUCCH the reception response information in a subframe, wherein the reception response information is transmitted using a PUCCH resource provided in advance by an upper layer signaling when only one PCell PDCCH is detected and the predetermined conditions are met, and is transmitted using a PUCCH resource linked to an index of a resource that makes up the PCell PDCCH when only one PCell PDCCH is detected and the predetermined conditions are not met.

Mobile station apparatus, base station apparatus, radio communication system, radio communication method, and integrated circuit

In a radio communication system using OCC for DMRS, a base station apparatus correctly receives PUSCH. If a first mode is set in which a demodulation reference signal of a physical uplink shared channel is multiplied by an orthogonal code determined in advance or if a temporary C-RNTI was used for a transmission of downlink control information, the demodulation reference signal of the physical uplink shared channel is multiplied by the orthogonal code determined in advance, and if a second mode is set in which the demodulation reference signal of the physical uplink shared channel is multiplied by an orthogonal code determined on the basis of cyclic shift information in the downlink control information and moreover, if an RNTI other than the temporary C-RNTI was used for the transmission of the downlink control information, the demodulation reference signal of the physical uplink shared channel is multiplied by the orthogonal code determined on the basis of the cyclic shift information in the downlink control information.

Method and apparatus for reference signaling allocation and channel estimation in distributed antenna systems

An apparatus and method for transmitting reference signals in a communication system are provided. The method includes transmitting common reference signals of a first type from a transmitter to a plurality of receivers; transmitting receiver-specific reference signals of a second type from a plurality of distributed ports to a subset of the plurality of receivers; wherein the common reference signals of the first type and the receiver-specific reference signals of the second type are allocated to different resources from one another, and wherein the communication system includes the transmitter and the plurality of receivers and the transmitter uses a plurality of central ports and the plurality of distributed ports to transmit to the plurality of receivers.

Method and apparatus for cqi (channel quality indicator) reporting after the introduction of a new carrier in a wireless communication system

A method and apparatus are disclosed for CQI (Channel Quality Indicator) reporting after the introduction of a new carrier in a wireless communication system, wherein the UE is served by a first downlink carrier that is backward compatible and is configured with a first CQI report configuration for the first downlink carrier. The method includes (i) receiving a first radio resource control (RRC) message to configure a new carrier to the UE, wherein the new carrier is associated with the first downlink carrier for operation, (ii) receiving a second RRC message to configure a second CQI report to the UE for the first downlink carrier and the new carrier, and (iii) applying the second CQI report configuration for CQI reporting for the downlink carrier and the new carrier when the new carrier is activated or configured.

Apparatus and method for controlling in-device coexistence interference in wireless communication system

There are provided a method and apparatus in which a User Equipment (UE) controls In-Device Coexistence (IDC) interference in a wireless communication system. Exemplary embodiments of the present invention provides a method including transmitting, to a base station (BS), UE capability information of whether the UE has a capability to control IDC, receiving, from the BS, IDC indication configuration information of whether the IDC is on-going, and transmitting, to the BS, a measurement result in consideration of IDC or a measurement result without consideration of IDC and IDC indication based on the IDC indication configuration information. According to exemplary embodiments of the present invention, UE can send information related to IDC interference to an evolved NodeB (eNB).

Wireless communication method, wireless communication terminal and base station

A wireless communication method, a terminal and a base station are provided. The method includes the step of transmitting a plurality of best companion pre-coding matrix indexs (BCIs) and corresponding delta channel quality indicators (ΔCQIs) from the terminal to the base station, wherein the period of frames for transmitting the plurality of BCIs is larger than the period of frames for transmitting a single BCI. The method, terminal and base station according to the present disclosure can greatly increase scheduling flexibility at base station side and improve MU-MIMO performance without increasing feedback overhead of channels.

Centralized control of intra-cell device-to-device communication

An apparatus and method to centrally establish and control intra-cell device-to-device connections on licensed bands of a wireless communications network are disclosed herein. An eNodeB receives a request from a first device to communicate with a second device or a request from the first device for content or service. The eNodeB schedules a device discovery between the first device and at least a candidate device. The eNodeB determines establishing the device-to-device connection between the first device and the candidate device based on a discovery report generated by one of the first or candidate device. The discovery report comprises information about signal quality of transmission from the other one of the first or candidate device that is received by the one of the first or candidate device during the scheduled device discovery.

Reporting of multiple processes for aperiodic channel state information

A method and an apparatus for transmitting Channel State Information (CSI) having a reporting mode and being transmitted from a User Equipment (UE) over a PUSCH transmission in an Uplink (UL) cell associated with a Downlink (DL) cell in response to the UE receiving a Downlink Control Information (DCI) format that includes a CSI request field indicating CSI transmission corresponding to one of CSI process sets associated with measurements of respective reference signals are provided. The method includes obtaining, from the CSI request field, an indication of a CSI process set for a CSI transmission; and transmitting the CSI for the CSI process set indicated by the CSI request field, wherein the CSI request field includes 2 bits of a first CSI process set having a first set of interpretations.

Method for reporting channel state information in wireless communication system and device therefor

The present invention relates to a wireless communication system. More specifically, the present invention relates to a method and a device for reporting channel state information, wherein the method comprises the steps of: receiving, from a first eNode B, a plurality of pieces of configuration information for a periodic report of CSIs that are set according to each eNode B; and transmitting, to said first eNode B, CSIs for the downlink of the corresponding eNode Bs through subframes that are periodically set according to each piece of the configuration information, wherein the subframes that are periodically set according to the configuration information for said first eNode B are used to transmit a CSI for the downlink of said first eNode B, and at least a portion of subframes that are periodically set according to configuration information for a second eNode B is used to transmit information which indicates the relationship between the downlink of said first eNode B and the downlink of said second eNode B.

Method and system for low power downlink transmission in heterogeneous networks

A method and user equipment for providing channel quality indicator feedback, the method receiving, at the user equipment, a power offset value; measuring, at the user equipment, a channel quality indicator over a reference symbol resource element; and scaling, at the user equipment, the channel quality indicator using the power offset value during an almost blank subframe. Also, a method and network element for coordination between network nodes in a heterogeneous network, the method receiving, at a first network node, load information from at least one other network node; configuring an almost blank subframe (ABS) pattern and a power offset value based on the received load information; providing the power offset value to at least one other network node; and signalling at least one of the power offset value and an ABS threshold value to at least one user equipment.

Channel quality measurements for downlink resource allocation

A method for reporting channel quality from a user equipment (UE) to a base station is described. The UE derives a channel quality for each of a plurality of downlink resources. The UE transmits channel quality reports in a pattern of time intervals by rotating through the plurality of downlink resources in different time intervals of the pattern, wherein a channel quality report is not transmitted by the UE in each time interval of a frame.

Method and Apparatus for Deactivating One of a Primary and Secondary Cells of a User Equipment

A method includes causing a primary cell for a user equipment to be deactivated. The said user equipment has at least one active secondary cell.

Method and apparatus for transmitting uplink control information in a wireless communication system

The present invention provides a method and apparatus for transmitting uplink control information (UCI) by user equipment in a wireless communication. The user equipment performs channel coding on information bits of the UCI to generate encoding information bits; performs modulation on the thus generated encoding information bits to generate complex modulation symbols; spreads the complex modulation symbols block-wise to a plurality of single carrier-frequency division multiple access (SC-FDMA) symbols based on an orthogonal sequence; and transmits the spread complex modulation symbols to a base station.

RADIO TERMINAL, RADIO BASE STATION, CHANNEL SIGNAL FORMING METHOD, AND CHANNEL SIGNAL RECEIVING METHOD

A base station communicates with a terminal, for which an uplink component carrier and downlink component carriers are configured. The base station adjusts a payload size of control information, transmitted in a downlink control channel, based on a basic payload size, and maps the control information onto a search space in at least one of the downlink component carriers. The basic payload size of the control information mapped onto a search space in a primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the primary downlink component carrier, and on a number of information bits obtained from a bandwidth of the uplink component carrier. The basic payload size of the control information mapped onto a search space in a non-primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the non-primary downlink component carrier. 1. A communication apparatus comprising:determination circuitry which, in operation, determine a basic payload size of control information that is transmitted from a base station in a downlink control channel; and the plurality of downlink component carriers include a primary downlink component carrier;', 'the basic payload size of the control information mapped onto a search space in the primary downlink component carrier is a payload size, which is given based on a number of information bits obtained from a bandwidth of the primary downlink component carrier, and on a number of information bits obtained from a bandwidth of an uplink component carrier, the bandwidth of the uplink component carrier being broadcasted in the primary downlink component carrier; and', 'the basic payload size of the control information mapped onto a search space in a downlink component carrier other than the primary downlink component carrier is a payload size, which is given based on a number of information bits obtained from a bandwidth of the downlink component carrier ...

UPLINK CONTROL INFORMATION TRANSMISSION METHOD AND APPARATUS IN MULTICARRIER SYSTEM

A method for receiving uplink control information in a wireless communication system supporting carrier aggregation (CA), and a base station therefore are discussed. The method according to one embodiment includes transmitting downlink data through a first downlink component carrier (DL CC) or a second DL CC; receiving an acknowledgement/not-acknowledgement (ACK/NACK); and receiving periodic channel state information (CSI). If the ACK/NACK collides with the periodic CSI and the ACK/NACK corresponds to downlink data transmitted through only the first DL CC, both the ACK/NACK and the periodic CSI are received in the same subframe of a first uplink component carrier (UL CC). If the ACK/NACK collides with the periodic CSI and the ACK/NACK corresponds to downlink data transmitted through both the first DL CC and the second DL CC, the periodic CSI is not received and only the ACK/NACK is received in the same subframe of the first UL CC. 1. A method for receiving uplink control information , performed by a base station (BS) , in a wireless communication system supporting carrier aggregation (CA) , the method comprising:transmitting downlink data through at least one of a first downlink component carrier (DL CC) and a second DL CC to a user equipment (UE);receiving an acknowledgement/not-acknowledgement (ACK/NACK) for the downlink data from the UE; andreceiving periodic channel state information (CSI) from the UE,wherein if the ACK/NACK collides with the periodic CSI in a same subframe and the ACK/NACK corresponds to downlink data transmitted through only the first DL CC, both the ACK/NACK and the periodic CSI are received in the same subframe of a first uplink component carrier (UL CC), andwherein if the ACK/NACK collides with the periodic CSI in the same subframe and the ACK/NACK corresponds to downlink data transmitted through both the first DL CC and the second DL CC, the periodic CSI is not received and only the ACK/NACK is received in the same subframe of the first UL ...

METHOD AND APPARATUS FOR REPETITION-BASED DATA TRANSMISSION FOR NETWORK COOPERATIVE COMMUNICATION

A method by a user equipment (UE) in a wireless communication system includes: receiving a first physical downlink shared channel (PDSCH) transmission and a second PDSCH transmission that carry a same transport block (TB) and are associated with a first transmission configuration indicator (TCI) state and a second TCI state, respectively; determining a transport block size (TBS) of the first PDSCH transmission; and determining low-density parity-check (LDPC) base graph corresponding to the transport block based on the determined TBS for each of the first PDSCH transmission and the second PDSCH transmission, wherein the determined TBS of the first PDSCH transmission is applied to the second PDSCH transmission. 1. A method by a user equipment (UE) in a wireless communication system , the method comprising:receiving a first physical downlink shared channel (PDSCH) transmission associated with a first transmission configuration indicator (TCI) state and a second PDSCH transmission associated with a second TCI state, wherein the first PDSCH transmission and the second PDSCH transmission are associated with a same transport block (TB);determining a first transport block size (TBS) of the first PDSCH transmission, wherein a second TBS of the second PDSCH transmission is the same as the determined first TBS; andidentifying, corresponding to the same transport block, a first low-density parity-check (LDPC) base graph for the first PDSCH transmission based on the determined first TBS and a second LDPC base graph for the second PDSCH transmission based on the second TBS,wherein time domain resources for the first PDSCH transmission and time domain resources for the second PDSCH transmission do not overlap each other,wherein a second TBS of the second PDSCH is the same as the first TBS of the first PDSCH transmission, andwherein a second TBS of the second PDSCH is determined the same as the first TBS of the first PDSCH transmission.2. The method of claim 1 , wherein the first ...

INTEGRATED CIRCUIT

A base station communicates with a terminal, for which an uplink component carrier and downlink component carriers are configured. The base station adjusts a payload size of control information, transmitted in a downlink control channel, based on a basic payload size, and maps the control information onto a search space in at least one of the downlink component carriers. The basic payload size of the control information mapped onto a search space in a primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the primary downlink component carrier, and on a number of information bits obtained from a bandwidth of the uplink component carrier. The basic payload size of the control information mapped onto a search space in a non-primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the non-primary downlink component carrier. 1. An integrated circuit comprising: appending zeros to downlink control information according to a basic payload size; and', 'mapping the downlink control information to at least one of a plurality of downlink component carriers that include a primary downlink component carrier; and, 'generation circuitry, which, in operation, controlstransmission circuitry, which, in operation, controls transmitting the downlink control information,wherein:the basic payload size of the downlink control information mapped to the primary downlink component carrier is calculated using a number of information bits obtained from a bandwidth of the primary downlink component carrier, and a number of information bits obtained from a bandwidth of an uplink component carrier; andthe basic payload size of the downlink control information mapped to a downlink component carrier other than the primary downlink component carrier is calculated using a number of information bits obtained from a bandwidth of the downlink component carrier other than the primary downlink component ...

Broadcasting signal transmission device, broadcasting signal reception device, broadcasting signal transmission method, and broadcasting signal reception method

A broadcast transmission method includes generating service data for a service, generating service layer signaling data, the service layer signaling data including first signaling data, second signaling data and third signaling data, the first signaling data including reference information referring to the second signaling data and the third signaling data, the second signaling data including a description of a component of the service, and the third signaling data including acquisition information of the component related to the service, and transmitting a broadcast signal including the service data and the service layer signaling data.

Method and apparatus for adjusting channel quality indicator feedback period to increase uplink capacity

A method and apparatus for adjusting a channel quality indicator (CQI) feedback period to increase uplink capacity in a wireless communication system are disclosed. The uplink capacity is increased by reducing the uplink interference caused by CQI transmissions. A wireless transmit/receive unit (WTRU) monitors a status of downlink transmissions to the WTRU and sets the CQI feedback period based on the status of the downlink transmissions to the WTRU. A base station monitors uplink and downlink transmission needs. The base station determines the CQI feedback period of at least one WTRU based on the uplink and downlink transmission needs and sends a command to the WTRU to change the CQI feedback period of the WTRU.

METHOD AND DEVICE FOR IMPROVING SYNCHRONIZATION IN A COMMUNICATIONS LINK

A data reception device comprises: a first data input for receiving a first data signal and a clock input for receiving a clock signal; and a stability detection circuit adapted to generate: a first error signal indicating when a data transition of the first data signal occurs during a first period at least partially before a first significant clock edge of the clock signal; and a second error signal indicating when a data transition of the first data signal occurs during a second period at least partially after the first significant clock edge of the clock signal; and a control circuit configured to generate a control signal for adjusting the sampling time of the first data signal based on said first and second error signals. 1. A data reception device comprising:a first data input for receiving a first data signal and a clock input for receiving a clock signal; anda stability detection circuit adapted to generate:a first error signal indicating when a data transition of the first data signal occurs during a first period at least partially before a first significant clock edge of the clock signal; anda second error signal indicating when a data transition of the first data signal occurs during a second period at least partially after the first significant clock edge of the clock signal; anda control circuit configured to generate a control signal for adjusting the sampling time of the first data signal based on said first and second error signals.2. The data reception device of claim 1 , wherein the stability detection circuit is configured to set the durations of the first and second periods based on a further control signal.3. The data reception device of claim 2 , wherein the control circuit is further adapted to generate the further control signal based on the first and second error signals.4. The data reception device of claim 3 , wherein the control circuit is adapted to generate the further control signal in order to reduce the widths of the first and second ...

Method and apparatus for configuring channel quality indicator and method and apparatus for configuring modulation and coding scheme

Embodiments of the present disclosure provide a method and apparatus for configuring channel quality indicator (CQI) and a method and apparatus for configuring modulation and coding scheme. The method for configuring CQI includes: configuring UE with a CQI index table by an eNB via CQI index table indication information, so that the UE determines the configured CQI index table according to the indication information, and calculates a CQI index according to calculated precoding matrix indicator (PMI) and rank indication (RI) by using the configured CQI index table. With the embodiments of the present disclosure, the eNB may configure different UEs with different ‘4-bit CQI tables’ and/or ‘modulation and TBS index tables’ while keeping the CQI index and the I MCS bit number unchanged. Therefore, not only the CQI index and the I MCS bit number need not to be increased, but also normal configuration of the LTE system may be ensured.

Control channel signaling using code points for indicating the scheduling mode

The invention relates to a control channel signal for use in a mobile communication system providing at least two different scheduling modes. Further the invention relates to a scheduling unit for generating the control channel signal and a base station comprising the scheduling unit. The invention also relates to the operation of a mobile station and a base station for implementing a scheduling mode using the control channel signal. In order to facilitate the use of different scheduling schemes for user data transmission while avoiding an additional flag for indicating the scheduling mode in the control signaling, the invention proposes the use of code points in existing control channel signal fields. Further, the invention proposes a specific scheduling mode for use in combination with the proposed control channel signal. According to this scheduling mode control channel information is only provided for retransmissions, while initial transmissions are decoded using blind detection.

Communication support for low capability devices

Methods and apparatuses for transmitting and receiving signaling, by a User Equipment (UE) with reduced processing capabilities, to conserve power are provided. A method for transmitting from a network a Physical Downlink Shared CHannel (PDSCH) to a first User Equipment (UE) from a first class of UEs or to a second UE from a second class of UEs, includes transmitting a PDSCH to the first UE using a first bandwidth unit; and transmitting a PDSCH to the second UE using a second bandwidth unit, wherein the second bandwidth unit is smaller than the first bandwidth unit.

APERIODIC CHANNEL QUALITY INDICATOR REPORT IN CARRIER AGGREGATION

Techniques for reporting channel quality information (CQI) in a multi-carrier wireless communication system are disclosed. In one aspect, a user equipment determines one or more reporting groups, each comprising a plurality of component carriers which are configured for the user equipment. The user equipment may detect a trigger from a base station that selects a reporting group and may respond to the trigger by sending CQI for at least the activated component carriers in the selected reporting group. 1. (canceled)2. A method in a base station , comprising:signaling to a user equipment, UE, one or more reporting sets associated with a plurality of component carriers, wherein the one or more reporting sets are configured for the UE;transmitting, on a downlink control channel, a trigger for the transmission of aperiodic channel quality information (CQI) by the UE, wherein the trigger for the transmission of aperiodic CQI comprises two or more triggering bits of a downlink control channel message that form a code corresponding to a reporting set in the one or more reporting sets; andreceiving, on an uplink data channel corresponding to the downlink control channel, an aperiodic CQI report for component carriers in the reporting set corresponding to the trigger.3. The method of claim 2 , wherein the one or more reporting sets are signaled to the UE in one or more radio resource control (RRC) messages.4. The method of claim 2 , wherein a number of the two or more triggering bits is smaller than a number of component carriers in the plurality of component carriers.5. The method of claim 2 , wherein the downlink control channel schedules transmissions on the uplink data channel.6. The method of claim 2 , wherein the aperiodic CQI report received on the uplink data channel comprises CQI multiplexed with data transmissions.7. The method of claim 2 , wherein the aperiodic CQI for the component carriers in the reporting set corresponding to the trigger is jointly coded.8. The ...

Configuration of repetition factors for transmitting feedback data for 5g or other next generation network

Configuring channel state information configuration parameters can reduce user equipment uplink feedback information. The user equipment can send the uplink feedback information to the network node by adapting the repetition factor based on one or more criteria. The repetition factor can be determined by the user equipment and/or a network node associated with the user equipment. Thus, reducing the frequency of reporting uplink feedback information can reduce power usage, signal interference, and increase battery life.

Terminal apparatus and base station apparatus

A terminal apparatus and a base station apparatus are provided that make it possible to efficiently report reception quality information in transmitting the reception quality information. The terminal apparatus includes a transmitting unit that transmits channel state information report feedback constituted by a given number of channel state information values corresponding to information pertaining to a network assisted interference cancellation function and a channel state information request. Channel state information values corresponding to a mode configuration in which channel state information is periodically reported are channel state information values that are suitable in a case of reception of a downlink signal without application of the network assisted interference cancellation function. Channel state information values that are suitable in a case of reception of a downlink signal with application of the network assisted interference cancellation function are channel state information values that are transmitted in a mode configuration in which channel state information is aperiodically reported.

Antenna swapping methods including repeatedly swapping between antennas, and related wireless electronic devices

Antenna swapping methods for a wireless electronic device may include repeatedly swapping back and forth between activating a first antenna and activating a second antenna, and measuring an antenna performance characteristic of the wireless electronic device, during a time period of repeated swapping. The methods may include comparing the antenna performance characteristic of the wireless electronic device during the time period of repeated swapping and an antenna performance characteristic of the wireless electronic device before the time period of repeated swapping. The methods may include, in response to determining that the antenna performance characteristic of the wireless electronic device during the time period of repeated swapping is stronger than the antenna performance characteristic of the wireless electronic device before the time period of repeated swapping, swapping once between the first and second antennas. Related devices are also described.

USER EQUIPMENT, NETWORK DEVICE, AND METHOD FOR DETERMINING PHYSICAL UPLINK CONTROL CHANNEL RESOURCE

The present invention provides user equipment, a network device, and a method. The user equipment includes: a receiving unit, configured to receive a physical downlink control channel in an ntimeslot; and a processing unit, configured to determine a first PUCCH resource index of a first PUCCH in an (n+k)timeslot according to a first resource index offset and a minimum index value, where the first resource index offset is used to indicate an offset of the resource index of the first PUCCH The processing unit is further configured to determine, according to the first PUCCH resource index, an index of a second physical resource block PRB on which a second PUCCH in the (n+k)timeslot is located, and a second PUCCH resource on the second PRB. 1. User equipment , comprising:a receiving unit, configured to receive a physical downlink control channel in an nth timeslot; and{'sup': 'th', 'a processing unit, configured to determine a first PUCCH resource index of a first PUCCH in an (n+k)timeslot according to a first resource index offset and a minimum index value, wherein the first resource index offset is used to indicate an offset of the resource index of the first PUCCH, the first resource index offset is obtained from higher layer signaling, the minimum index value is a minimum index value of a control channel element that carries the physical downlink control channel, and k is a preset positive integer; wherein'}{'sup': 'th', 'the processing unit is further configured to determine, according to the first PUCCH resource index, an index of a second physical resource block PRB on which a second PUCCH in the (n+k)timeslot is located, and a second PUCCH resource on the second PRB.'}2. The user equipment according to claim 1 , wherein the receiving unit is further configured to receive resource offset information claim 1 , wherein the resource offset information is used to indicate offset information of a resource on which the second PUCCH in the (n+k)timeslot is located; ...

CARRIER AGGREGATION IN WIRELESS COMMUNICATION SYSTEMS

Provided is a data transmission system using a carrier aggregation. The data transmission system may assign a radio resource based on a correspondence relationship between a downlink and an uplink, and may transmit data using the assigned radio resource. 1. A method of transmitting an ACK/NAK from a User Equipment (UE) , comprising:determining the number of the ACK/NAK bits based on the number of configured serving cells and a transmission mode configured for each serving cell;generating the ACK/NAK based on the number of the ACK/NAK bits; andtransmitting the ACK/NAK to a base station,wherein the number of the ACK/NAK bits is 2 in case that the transmission mode supports up to 2 transport blocks.2. The method of claim 1 , wherein the number of the ACK/NAK bits is 1 in case that the transmission mode supports 1 transport block.3. The method of claim 1 , wherein the ACK/NAK uses Physical Uplink Control Channel (PUCCH) format 1b with channel selection information.4. The method of claim 1 , wherein the ACK/NAK uses PUCCH format 3.5. The method of claim 1 , wherein the UE does not generate the ACK/NAK when any allocation information is not detected about any Component Carrier (CC).6. The method of claim 1 , generating the ACK/NAK further comprising:encoding the ACK bit as “1” and the NAK bit as “0.”7. The method of claim 1 , wherein in case that 1 transport block is received among the 2 transport blocks transmitted from the base station claim 1 , the UE generate the NAK for the other transport block.8. The method of claim 1 , wherein in case that neither Physical Downlink Shared Channel (PDSCH) nor Physical Downlink Control Channel (PDCCH) is detected in a subframe for the serving cell claim 1 , the UE generates two NAKs.9. The method of claim 7 , wherein the UE generates one NAK in case that the transmission mode supports 1 transport block.10. A User Equipment (UE) claim 7 , comprising:a determination unit configured to determine the number of the ACK/NAK bits based on ...

Method for transceiving enhanced physical downlink control channel in wireless access system supporting unlicensed band, and device supporting same

A method for receiving a signal by an apparatus in a wireless communication system is discussed. The method includes receiving, in a first time resource within a second time resource configured as 14 number of symbols, a physical channel carrying downlink control information within resource element groups (REGs), and receiving a physical downlink shared channel based on the downlink control information. Further, the REGs are indexed starting from a symbol included in the first time resource, and a starting boundary of the first time resource is determined independently from a starting boundary of the second time resource.

Power Control for Feedback Signaling

A method of operating a user equipment () in a radio access network is disclosed. The method comprises transmitting feedback signaling pertaining to a plurality of cells, the feedback signaling being transmitted at a power level. The power level is based on determined missed scheduling assignments, wherein for each of a number of assignment reception occasions for which one or more scheduling assignments pertaining to the feedback signaling is received, for each of the scheduling assignments received at an assignment reception occasion, a number of missed scheduling assignments between the scheduling assignment and a preceding received scheduling assignment is determined, wherein the number of missing scheduling assignments is based on a difference between a count value associated to the scheduling assignment and a count value associated to the preceding scheduling assignment. The disclosure also pertains to related devices and methods. 113-. (canceled)14. A method of operating a user equipment in a radio access network , the method comprising:transmitting feedback signaling pertaining to a plurality of cells, the feedback signaling being transmitted at a power level, the power level being based on determined missed scheduling assignments;wherein for each of a number of assignment reception occasions for which one or more scheduling assignments pertaining to the feedback signaling is received, for each of the scheduling assignments received at respective ones of the assignment reception occasions, a number of missed scheduling assignments between the scheduling assignment and a preceding received scheduling assignment is determined, wherein the number of missed scheduling assignments is based on a difference between a count value associated with the scheduling assignment and a count value associated with the preceding scheduling assignment.15. The method of claim 14 , wherein the feedback signaling comprises a maximum number of bits of feedback information.16. The ...

METHOD AND APPARATUS FOR OPERATING SUBFRAME AND TRANSMITTING CHANNEL INFORMATION FOR CONTROLLING INTERFERENCE IN COMMUNICATION SYSTEM

A method and an apparatus for operating a subframe and transmitting channel information for controlling interference in a communication system are provided. If a macro evolved Node B (eNodeB) determines and reports an uplink protection subframe for suppressing uplink transmission to a neighboring eNodeB, transmits scheduling information for uplink data through a downlink subframe corresponding to an uplink protection subframe, and the uplink protection subframe determined by the neighboring eNodeB is reported, a small eNodeB sets the reported uplink protection subframe as a flexible subframe, and uses the flexible subframe for downlink transmission. If the flexible subframe is used for the downlink transmission, a terminal of the small eNodeB measures and transmits non-period channel information in the flexible subframe through at least one uplink subframe. 1. A method performed by a terminal in a communication system , the method comprising:receiving, from a base station, downlink control information (DCI) in a first time resource, the DCI including information for requesting channel state information (C SI) reporting;obtaining aperiodic CSI based on a channel measurement in a second time resource in case of the information for requesting the CSI reporting being set as a first value;obtaining the aperiodic CSI based on a channel measurement in a third time resource in case that the information for requesting the CSI reporting being set as a second value; andtransmitting, to the base station, the aperiodic CSI in a fourth time resource based on the DCI.2. The method of claim 1 , further comprising:receiving, from the base station, information on a flexible time resource,wherein the second time resource and the third time resource are identified as downlink resources based on the information on the flexible time resource.3. The method of claim 1 , wherein the aperiodic CSI includes channel state information of which type is configured by higher layer signaling.4. The ...

Efficient cqi signaling in multi-beam mimo systems

The present invention relates to the signaling of channel quality information in a multi-beam transmission system, wherein a plurality of beams are simultaneously transmitted and a plurality of sets of channel quality information are transmitted for controlling independently the transmission rate on the different beams. Determined are beams with a different quality resulting in different effects of errors in the transmissions of the channel quality information for the beams. Said different effects are exploited for reducing a signaling overhead of the channel quality information for the beams.

METHOD AND APPARATUS FOR TRANSMITTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM

The present invention relates to a wireless communication system. According to one embodiment of the present invention, a method for transmitting, by a terminal, channel state information (CSI) in a wireless communication system comprises the steps of: subsampling a code book for four antenna ports; and feeding back the CSI on the basis of the subsampled code book, wherein the CSI includes a rank indicator (RI) reported together with a precoding type indicator (PTI), and if the RI is greater than 2, the PTI is set to one. 114-. (canceled)16. The method according to claim 15 , wherein the CSI is transmitted using a physical uplink control channel mode 2-1.17. The method according to claim 15 , wherein a payload size for reporting the PMI is 2 bits.18. The method according to claim 15 , wherein each of the 4 precoding matrices is a 4 by 4 matrix.19. The method according to claim 15 , wherein when the RI is 3 or 4 claim 15 , a final PMI is determined as the PMI claim 15 , andwherein when the RI is 1 or 2, a final PMI is determined using the PMI and another PMI.21. The user equipment according to claim 20 , wherein the CSI is transmitted using a physical uplink control channel mode 2-1.22. The user equipment according to claim 20 , wherein a payload size for reporting the PMI is 2 bits.23. The user equipment according to claim 20 , wherein each of the 4 precoding matrices is a 4 by 4 matrix.24. The user equipment according to claim 20 , wherein when the RI is 3 or 4 claim 20 , a final PMI is determined as the PMI claim 20 , andwherein when the RI is 1 or 2, a final PMI is determined using the PMI and another PMI. The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for transmitting channel state information using subsampling of a codebook in a wireless communication system.A 3rd generation partnership project long term evolution (3GPP LTE) communication system will be described below as an exemplary mobile ...

CONTROL CHANNEL SIGNALING USING CODE POINTS FOR INDICATIING THE SCHEDULING MODE

The invention relates to a control channel signal for use in a mobile communication system providing at least two different scheduling modes. Further the invention relates to a scheduling unit for generating the control channel signal and a base station comprising the scheduling unit. The invention also relates to the operation of a mobile station and a base station for implementing a scheduling mode using the control channel signal. In order to facilitate the use of different scheduling schemes for user data transmission while avoiding an additional flag for indicating the scheduling mode in the control signaling, the invention proposes the use of code points in existing control channel signal fields. Further, the invention proposes a specific scheduling mode for use in combination with the proposed control channel signal. According to this scheduling mode control channel information is only provided for retransmissions, while initial transmissions are decoded using blind detection. 1. An integrated circuit configured to control operation of a mobile station , the integrated circuit comprising one or more physical computing resources which , in operation , cause the mobile station to:receive, from a base station that provides a dynamic scheduling mode and a persistent scheduling mode, a control channel signal that includes at least an RV (redundancy version) field and a HARQ (Hybrid Automatic Repeat request) process field,select the persistent scheduling mode to communicate with the base station, when a value in the RV field and a value in the HARQ process field in the received control channel signal at least partially constitute a predetermined combination of values, andinterpret at least one of control information format fields in the control channel signal differently between the dynamic scheduling mode and the persistent scheduling mode, based on the predetermined combination of values that indicates how to interpret the at least one of control information ...

METHOD AND APPARATUS FOR DETECTING DOWNLINK CONTROL SIGNALING, AND SYSTEM

Disclosed are a downlink control signaling detection method and apparatus, and a system, belonging to the technical field of communications. Said method comprises: sending a first indication signal to an access network device; determining a target demodulation method for demodulating target downlink control signaling; acquiring target detection parameters corresponding to the target demodulation method; and detecting the target downlink control signaling according to the target detection parameters. The present disclosure acquires, by determining a target demodulation method for demodulating target downlink control signaling, target detection parameters corresponding to the target demodulation method, and detects the target downlink control signaling according to the target detection parameters. 1. A method for detecting downlink control signaling , comprising:sending, by a terminal, a first indication signal to an access network device, the first indication signal being configured to indicate a to-be-used demodulation scheme of the terminal;determining, by the terminal, a target demodulation scheme for demodulating target downlink control signaling;acquiring, by the terminal, a target detection parameter corresponding to the target demodulation scheme; anddetecting, by the terminal, the target downlink control signaling according to the target detection parameter.2. The method of claim 1 , wherein determining claim 1 , by the terminal claim 1 , the target demodulation scheme for demodulating the target downlink control signaling comprises:starting, by the terminal, a timer after a predetermined period of time elapses since the first indication signal is sent to the access network device; anddetermining, by the terminal, the to-be-used demodulation scheme as the target demodulation scheme when the timer times out and a second indication signal sent from the access network device is not received,wherein the second indication signal is a signal sent to the terminal ...

METHOD AND APPARATUS FOR TRANSMITTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM

A method for receiving Channel State Information (CSI) by a base station (BS) in a wireless communication system, includes receiving an encoded value for a specific CSI report mode, wherein the encoded value is joint encoded value of a rank indicator (RI) and a first precoding matrix indicator (PMI), obtaining the RI and a codebook index for the first PMI based on the encoded value, wherein the RI and the first PMI are jointly encoded into the encoded value in a way that following conditions are satisfied: when the encoded value is an integer ranging from 0 to 7, the RI is 1 and a codebook index for the first PMI is same as the encoded value, and when the encoded value is integer ranging from 8 to 15, the RI is 2 and the codebook index for the first PMI is the encoded value minus 8. 1. A method for receiving Channel State Information (CSI) by a base station (BS) in a wireless communication system , the method comprising:receiving an encoded value for a specific CSI report mode,wherein the encoded value is joint encoded value of a rank indicator (RI) and a first precoding matrix indicator (PMI),obtaining the RI and a codebook index for the first PMI based on the encoded value,wherein the RI and the first PMI are jointly encoded into the encoded value in a way that following conditions are satisfied:when the encoded value is an integer ranging from 0 to 7, the RI is 1 and a codebook index for the first PMI is same as the encoded value,when the encoded value is integer ranging from 8 to 15, the RI is 2 and the codebook index for the first PMI is the encoded value minus 8,when the encoded value is 16, the RI is 3 and a first precoding matrix for the first PMI is an identity matrix, andwhen the encoded value is 17, the RI is 4 and the first precoding matrix for the first PMI is the identity matrix.2. The method according to claim 1 , wherein when the encoded value is an integer ranging from 0 to 15 claim 1 , the codebook index for the first PMI is only among 8 codebook ...

Method, system and device for transmitting feedback information

The embodiments of the present application relate to the technical field of wireless communications, and in particular, to a method, system and device for transmitting feedback information, used for realizing simultaneous feedback of multi-carrier ACK/NACK and periodical CSI. The method for sending feedback information in the embodiments of the present application includes: user equipment determining a PUCCH resource corresponding to first feedback information in second feedback information periodical reporting subframes; the user equipment determining feedback information to be transmitted and including the first feedback information according to the determined PUCCH resource and transmitting same via the PUCCH resource corresponding to the first feedback information. Since the user equipment determines feedback information including first feedback information according to the PUCCH resource corresponding to the first feedback information in the second feedback information periodical reporting subframes and transmits same via the determined PUCCH resource, thus realizing simultaneous feedback of multi-carrier ACK/NACK and periodical CSI.

PARTIAL CQI FEEDBACK IN WIRELESS NETWORKS

Within a wireless network, feedback information from user equipment (UE) to a control node (eNodeB) is necessary to support various functions. A UE receives an allocation from the eNodeB comprising a plurality of periodic transmission instances for a channel quality indicator (CQI) and a schedule comprising a plurality of periodic transmission instances for a rank indicator (RI), wherein the CQI comprises RI and other CQI fields. The UE then transmits an RI without transmitting the other CQI fields in a transmission instance allocated for both RI and other CQI fields. 1. A method for transmission in a wireless network , comprising:receiving an allocation comprising a plurality of periodic transmission instances for a channel quality indicator (CQI), wherein the CQI comprises a rank indicator (RI) and at least one other CQI field;receiving a schedule comprising a plurality of periodic transmission instances for the RI; andtransmitting a RI without transmitting the other CQI fields in a transmission instance of the plurality of periodic transmission instances allocated for both RI and other CQI fields.2. The method of claim 1 , wherein the other CQI fields comprise a modulation and coding scheme (MCS) index associated with a channel coding rate value and modulation scheme claim 1 , and a precoding matrix indicator (PMI).3. The method of claim 1 , wherein the other CQI fields comprise only a modulation and coding scheme (MCS) index associated with a channel coding rate value and modulation scheme.4. The method of claim 1 , further comprising receiving a control message indicating a mode of operation in a transmission instance allocated for both the RI and the other CQI fields claim 1 , wherein in a first mode of operation claim 1 , the first RI is transmitted without transmitting the other CQI fields in the first transmission instance; wherein in a second mode of operation claim 1 , both the first RI and a portion of the other CQI fields are transmitted in the first ...

Uplink (ul) frequency-division duplex (fdd) subframe

Various aspects provide a subframe for uplink (UL) communication in a frequency-division duplex (FDD) configuration. Control information in the frequency range of the UL communication may include channel quality indicator (CQI) and acknowledgement (ACK) information. The CQI information may be provided prior to a demodulation reference signal (DMRS). The ACK information may be provided subsequent to another DMRS. The CQI information may be time-division multiplexed in a common frequency range as the ACK information. A sounding reference signal (SRS) may be provided as an initial symbol of the subframe. Some CQI information may be provided in two or more separate portions that are each prior to a separate DMRS. Some ACK information may be provided in two or more separate portions that are each subsequent to another separate DMRS.

Method for reporting channel state information in wireless communication system and apparatus therefor

A method for reporting channel state information by a terminal in a wireless communication system according to an embodiment of the present invention may comprise the steps of: receiving, from a base station, CSI-RS resource configuration information for receiving a first CSI-RS resource; receiving the first CSI-RS resource on the basis of the CSI resource configuration information; and reporting, to the base station, first CSI generated on the basis of the first CSI-RS resource, wherein, when the terminal receives configuration of one N-port CSI-RS resource according to the CSI resource configuration information, some ports of the one Y-port CSI-RS resource are configured for channel measurement for the terminal, and the remaining ports except for the some ports of the one Y-port CSI-RS resource are configured for interference measurement for the terminal.

INCLUDING IN THE UPLINK GRANT AN INDICATION OF SPECIFIC AMOUNT OF CQI TO BE REPORTED

The present invention relates to a method, user equipment and a base station adapted to handle channel state feed-back reports in a more flexible way. More specifically, a channel state feedback procedure is provided which utilizes the resources available for transmission of channel state feedback more efficiently. This is achieved by including uplink grant availability into the channel state feedback reporting triggers used for determining when and how to send channel state feedback from a UE, i.e. a channel state feedback reporting request may be sent by a base station in an uplink grant to a UE comprising an indication of an expected amount of information to be returned. 18-. (canceled)9. A method in a user equipment (UE) for providing channel state feedback , the method comprising:receiving a first uplink grant comprising a first trigger for sending a first channel state feedback report;generating the first channel state feedback report based on the first uplink grant, wherein the first channel state feedback report comprises a first amount of feedback;transmitting the first channel state feedback report;receiving a second uplink grant comprising a second trigger for sending a second channel state feedback report;generating the second channel state feedback report based on the second uplink grant, wherein the second channel state feedback report comprises a second amount of feedback, wherein the first amount of feedback is different than the second amount of feedback; andtransmitting the second channel state feedback report.10. The method of claim 9 , wherein the second amount of feedback or the second amount of feedback corresponds to a portion of downlink transmission bandwidth of the UE.11. The method of claim 9 , wherein the first channel state feedback report or the second channel state feedback report comprises at least a channel quality indication (CQI) report.12. The method of claim 9 , further comprising:receiving a third uplink grant comprising a third ...

Method for processing CSI-RS in wireless communication system

A method for transmitting a Channel State Information-Reference Signal (CSI-RS) in an Orthogonal Frequency Division Multiple Access (OFDMA) system, the method comprising of determining a CSI-RS pattern type based on a Physical Resource Block (PRB) index of a subframe, assigning, when the subframe is supposed to carry the CSI-RS, CSI-RSs of first to Nth antenna ports to first to Nth Orthogonal Frequency Division Multiplexing (OFDM) symbols of a PRB based on the CSI-RS pattern type, and transmitting the subframe including the PRB in which CSI-RSs of the first to Nth antennas a mapped, wherein the first to Nth CSI-RS pattern types map CSI-RSs of the first to Nth antenna ports to the first to Nth OFDM symbols of the PRB in an alternate manner.

Method and device for transmitting or receiving multicasting control channel for bl/ce terminal

Provided are a method of supporting Single Cell Point-to-Multi-point (SC-PTM) for a Bandwidth reduced Low complexity/Coverage Enhancement (BL/CE) terminal or an NB-IoT terminal, which is for a Machine Type Communication (MTC) application defined in a 3GPP LTE/LTE-A system. The method may include receiving configuration information relating to an MPDCCH search space from a base station, wherein the MPDCCH search space is separately configured to receive scheduling control information for the multicasting control channel; receiving the scheduling control information for the multicasting control channel through the MPDCCH search space configured based on the configuration information; and receiving the multicasting control channel based on the scheduling control information, wherein the configuration information is received through higher layer signaling.

PROVIDING A FORMAT INDICATOR COMPRISING RANK INDICATION AND CHANNEL STATE INFORMATION SPATIAL DOMAIN RESOLUTION TYPE

A user equipment can be configured to evaluate a reference signal from a network node and determine channel state information comprising a format indicator, wherein the format indicator comprises a rank indicator and the channel state information spatial resolution type. The user equipment can transmit to the network node the channel state information, which can be decoded by a network node to determine transmission scheduling parameters to be transmitted to the user equipment. 1. A network device , comprising:a processor; and [ a first portion comprising a format indicator, the format indicator comprising a first data element comprising a channel state information spatial domain resolution type representative of a spatial domain resolution type of channel state information and a second data element comprising a rank indicator indicating a number of different data streams transmitted between the network device and the user equipment, and', 'a second portion comprising a remainder of the channel state information feedback; and, 'in response to transmitting a reference signal to a user equipment, receiving, from the user equipment, channel state information feedback comprising, decoding the first portion, resulting in a decoded format indicator, and', 'based on the decoded format indicator, decoding the second portion., 'decoding the channel state information feedback, resulting in decoded channel state information feedback, the decoding comprising], 'a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, comprising2. The network device of claim 1 , wherein the remainder comprises a third data element comprising a channel state indicator of channel state information used to select transmission parameters for transmissions between the network device and the user equipment.3. The network device of claim 2 , wherein the operations further comprise determining a transmission scheduling parameter of the ...

Feedback Signaling Management

According to an example aspect of the present invention, there is provided an apparatus including a memory configured to store received information, and at least one processing core configured to determine a quality level at which the received information was received, to select, based at least partly on the quality level, a feedback resource, and to decide on causing transmission of feedback on the selected feedback resource. 1. An apparatus comprising:a memory configured to store received information;at least one processing core configured to determine a quality level at which the received information was received, to select, based at least partly on the quality level, a feedback resource, and to decide on causing transmission of feedback on the selected feedback resource.2. The apparatus according to claim 1 , wherein the selected feedback resource comprises at least one of a time resource claim 1 , a frequency resource claim 1 , and a code.3. The apparatus according to claim 1 , wherein the at least one processing core is configured to select at least one of;the feedback resource based at least partly on a mapping from a set of quality level ranges to a set of feedback resources; oran earlier feedback resource responsive to the quality level being lower, and a later feedback resource responsive to the quality level being higher.4. (canceled)5. The apparatus according to claim 3 , wherein the at least one processing core is configured to perform at least one of the following:select an earliest feedback resource responsive to the quality level being less than a lowest threshold quality level; andnot send a feedback responsive to the quality level being higher than a highest threshold quality level.6. The apparatus according to claim 1 , wherein the at least one processing core is configured to cause the transmission of the feedback using a contention-based mechanism.7. The apparatus according to claim 6 , wherein the at least one processing core is configured to ...

RADIO TERMINAL, RADIO BASE STATION, CHANNEL SIGNAL FORMING METHOD, AND CHANNEL SIGNAL RECEIVING METHOD

A base station communicates with a terminal, for which an uplink component carrier and downlink component carriers are configured. The base station adjusts a payload size of control information, transmitted in a downlink control channel, based on a basic payload size, and maps the control information onto a search space in at least one of the downlink component carriers. The basic payload size of the control information mapped onto a search space in a primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the primary downlink component carrier, and on a number of information bits obtained from a bandwidth of the uplink component carrier. The basic payload size of the control information mapped onto a search space in a non-primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the non-primary downlink component carrier. 1. A communication apparatus comprising:control circuitry which, in operation, appends zeros to downlink control information based on a basic payload size, and maps the downlink control information to at least one of a plurality of downlink component carriers that includes a primary downlink component carrier; anda transmitter which, in operation, transmits the downlink control information,wherein,the basic payload size of the downlink control information mapped to the primary downlink component carrier is calculated based on a number of information bits obtained from a bandwidth of the primary downlink component carrier and a number of information bits obtained from a bandwidth of an uplink component carrier, andthe basic payload size of the downlink control information mapped to a downlink component carrier other than the primary downlink component carrier is calculated based on a number of information bits obtained from a bandwidth of the downlink component carrier other than the primary downlink component carrier.2. The communication apparatus ...

METHODS AND APPARATUS FOR ACTIVATING AND DEACTIVATING SECONDARY CELLS IN A CARRIER AGGREGATION ENVIRONMENT

A method and an apparatus for activating and deactivating secondary cells in a carrier aggregation environment are provided. In one embodiment, a Medium Access Control (MAC) Control Element (CE) command is received from a base station for activating/deactivating a secondary cell associated with a User Equipment (UE). The secondary cell configured for the UE is activated/deactivated based on the MAC CE command. Further, a first uplink grant is received from the base station upon activation/deactivation of the secondary cell. Accordingly, quality information (e.g., channel quality information, sounding reference signal information, and the like) associated with the cell(s) is transmitted to the base station in the received first uplink grant over a physical uplink shared channel. Furthermore, a hybrid automatic repeat request entity associated with the secondary cell is reset. 1. A method for activating/deactivating a secondary cell at a user equipment (UE) in a communication system based on carrier aggregation , the method comprising:receiving, from a base station, control information for activating/deactivating at least one secondary cell;activating the at least one secondary cell using the control information;detecting an expiry of a timer related to a deactivation of the at least one secondary cell; anddeactivating the at least one secondary cell in response to the expiry of the timer.2. The method of claim 1 , further comprising:resetting a hybrid automatic repeat request (HARQ) entity associated with the at least one secondary cell upon deactivating the at least one secondary cell.3. The method of claim 1 , further comprising:flushing hybrid automatic repeat request (HARQ) buffers associated with the one or more HARQ processes when the least one secondary cell is deactivated.4. The method of claim 1 , further comprising:stopping any uplink transmission on the at least one secondary cell in response to deactivating the at least one secondary cell.5. The method of ...

LOW LATENCY PHYSICAL UPLINK CONTROL CHANNEL WITH SCHEDULING REQUEST AND CHANNEL STATE INFORMATION

Methods, systems, and devices for wireless communication are described. A user equipment (UE) and a base station may use low latency communications to improve the throughput of a wireless link. To facilitate efficient low latency communication, the UE may send UE-initiated CSI reports in addition to periodic and base station-initiated reports. For example, the UE may, in various examples, send UE-initiated CSI reports using contention based spectrum, using a request-to-transmit, or using a CSI differential (i.e., an indicator of a change in channel conditions). The base station may schedule different UEs for uplink low latency communication by providing resources to each UE for CSI and scheduling requests (SRs) using coherent or non-coherent uplink transmissions. The CSI and SR may also be combined with uplink feedback. 1. A method of wireless communication , comprising:determining a set of resources reserved for uplink control information (UCI); andreceiving at least one of a report with channel state information (CSI), a request for resources on which to send a CSI report, or signaling that indicates a change in CSI on resources of the set of reserved resources from a user equipment (UE), the receiving occurring during a first transmission time interval (TTI) duration in a system that supports operation with the first TTI duration and a second TTI duration that is greater than the first.2. The method of claim 1 , further comprising:transmitting signaling that indicates the set of reserved resources to the UE.3. The method of claim 2 , wherein the signaling that indicates the set of reserved resources includes a downlink grant.4. The method of claim 1 , wherein the set of reserved resources includes resources reserved for a scheduling request (SR) claim 1 , the CSI report claim 1 , or hybrid automatic repeat request (HARQ) feedback claim 1 , or any combination thereof.5. The method of claim 1 , wherein the set of reserved resources includes a set of resource blocks ...

Power control for shortened transmission time intervals

Certain aspects of the present disclosure relate to methods and apparatuses for power control of transmissions on a physical uplink shared channel (PUSCH) with shortened transmission time intervals (sTTIs). According to certain aspects, a UE may calculate a transmit power for an aperiodic channel state information (A-CSI) report that is independent of an actual number of channel quality indicator (CQI) and precoding matrix indicator (PMI) bits to transmit in the A-CSI report. The UE may then transmit the A-CSI report in accordance with the calculated transmit power.

METHOD AND APPARATUS FOR PERFORMING EFFICIENT FEEDBACK IN WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE ANTENNA

A method for transmitting channel status information (CSI) of downlink transmission via uplink in a wireless communication system includes transmitting a rank indicator (RI) and a precoder type indicator (PTI) at a first subframe, transmitting at a second subframe a first precoding matrix indicator (PMI) when the PTI has a first value and transmitting a second PMI and a wideband channel quality indicator (WB CQI) when the PTI has a second value, and transmitting at a third subframe a second PMI and a WB CQI when the PTI has a first value and transmitting a subband (SB) CQI and a second PMI when the PTI has a second value. A user equipment (UE) preferred precoding matrix is indicated by a combination of the first PMI and the second PMI. Subsampled codebooks of precoding codebooks of individual Rank-2, Rank-3 and Rank-4 are applied to the second PMI. 1. A method for periodically transmitting channel status information (CSI) by a user equipment (UE) in a wireless communication system , the method comprising:transmitting, by the UE to a base station (BS), a first type report;if an indicator included in the first type report is 0, transmitting in an order of a second type report and a third type report after transmitting the first type report; andif the indicator included in the first type report is 1, transmitting in an order of the third type report and a fourth type report after transmitting the first type report;wherein:the first type report includes a rank indicator (RI) and the indicator,the second type report includes a first precoding matrix indicator (PMI) for a wideband,the third type report includes a second PMI for the wideband and a channel quality indicator (CQI) for the wideband,the fourth type report includes the second PMI for a subband and the CQI for the subband,the second PMI indicates a codebook index in a subsampled codebook, andthe subsampled codebook includes four codebook indexes for each of Rank-2, Rank-3 and Rank-4.2. The method according to ...

Method and apparatus for reporting channel status information in a wireless communication system

A method and apparatus of a user equipment are provided for transmitting a channel status report in a communication system. The method includes receiving first information for at least one channel status report; generating a first channel status report corresponding to the first information for the at least one channel status report based on a reference signal in a first subframe; and transmitting the first channel status report based on the first information for the at least one channel status report in a second subframe. The first information for the at least one channel status report comprises information for a period and an offset, and a difference between the first subframe and the second subframe is a smallest value greater than or equal to a predetermined value.

Carrier Activation in a Multi-Carrier Wireless Network

A wireless device may be instructed to activate one or more licensed cells and unlicensed cells. The wireless device may monitor a channel on an unlicensed cell and a licensed cell. The respective monitoring periods for the unlicensed cell and licensed cell may be different. 1. A method comprising: a licensed cell; and', 'an unlicensed cell;, 'transmitting, by a base station and during a transmission time interval (TTI), one or more commands to activatestarting receiving, before a first duration after the TTI, one or more first uplink signals via the unlicensed cell; andstarting receiving, after starting reception of the one or more first uplink signals and before a second duration after the TTI, one or more second uplink signals via the licensed cell, wherein the first duration is different from the second duration.2. The method of claim 1 , further comprising:transmitting, based on reception of the one or more first uplink signals, scheduling grants for the unlicensed cell; andtransmitting, based on reception of the one or more second uplink signals, scheduling grants for the licensed cell.3. The method of claim 1 , wherein:the one or more first uplink signals comprise channel state information (CSI) for the unlicensed cell; andthe one or more second uplink signals comprise CSI for the licensed cell.4. The method of claim 1 , further comprising transmitting one or more configuration parameters for at least one of the licensed cell or the unlicensed cell claim 1 , and wherein the one or more configuration parameters comprise a deactivation timer.5. The method of claim 1 , further comprising receiving claim 1 , before reception of the first one or more uplink signals claim 1 , out of range (OOR) channel state information (CSI) for the unlicensed cell.6. The method of claim 1 , wherein the first duration is shorter than the second duration.7. The method of claim 1 , wherein a first activation delay of the licensed cell is at least one of:different from a second ...

Semi-static transmission configuration indicator configuration

Methods, systems, and devices for wireless communications are described. A base station may transmit a configuration indicating a transmission configuration indicator (TCI) state switching pattern and a TCI state switching period to a user equipment (UE). The UE may perform TCI state switching according to the TCI state switching pattern and period, and the UE may receive a downlink transmission according to the TCI state switching pattern. The UE may receive a downlink control information (DCI) including an indication of a TCI state for a subsequent TTI. The UE may receive the downlink signal in accordance with both the TCI state switching pattern and the indication in the DCI. The UE may receive a configuration message indicating a first DCI state, receive a DCI indicating a second TCI state for a subsequent TTI, switch to the second TCI state, and receive a downlink signal using the second TCI state.

Prioritizing multiple channel state information (csi) reporting with carrier aggregation

A method for reporting uplink control information (UCI) on a user equipment (UE) is described. Multiple channel state information (CSI) reports are generated for multiple component carriers (CCs) that are scheduled to be transmitted in a subframe. A method of prioritization for the CSI reports is selected. A highest priority CSI report of the multiple CSI reports is determined using the selected method of prioritization. The highest priority CSI report is transmitted.

Enabling Channel State Feedback for Multi-User Transmission in a Wireless Communication System

There is provided a method and corresponding device for enabling channel state feedback for multi-user transmission in a wireless communication system. The method comprises performing (S 1 ), for each of a number of users, a classification of the user into one of at least two groups based on a measure of the speed of the temporal channel variation for the user. The method also comprises selecting (S 2 ), for each of the users, a channel state feedback mechanism based on the classification.

CHANNEL-STATE INFORMATION PROCESS PROCESSING METHOD, NETWORK DEVICE, AND USER EQUIPMENT

Embodiments of the present invention provide a channel-state information process processing method, a network device, and a user equipment, where the channel-state information process processing method includes: after receiving a first channel-state information CSI request sent by a first network device, if CSI corresponding to multiple aperiodic CSI processes has not been reported by a user equipment, dropping CSI corresponding to a part of aperiodic CSI processes among the multiple aperiodic CSI processes, where each CSI process is associated with a channel measurement resource and an interference measurement resource. A problem existing after a CoMP technology is introduced can be solved that the UE cannot implement processing of multiple CSI processes. 1. A method , comprising:receiving, by a terminal device, a first channel-state information (CSI) request;in response to the first CSI request, if aperiodic CSI corresponding to multiple aperiodic CSI processes has not been reported, sending, by the terminal device, aperiodic CSI, wherein each CSI process is associated with a channel measurement resource and an interference measurement resource, and aperiodic CSI corresponding to a part of the multiple aperiodic CSI processes is replaced by a previous measurement result and the aperiodic CSI comprises the previous measurement result.2. The method according to claim 1 , further comprising:dropping processing of the aperiodic CSI corresponding to the part of the multiple aperiodic CSI processes.3. The method according to claim 2 , wherein before the receiving a first CSI request from a first network device claim 2 , the method further comprises:receiving a second CSI request, wherein the multiple aperiodic CSI processes corresponds to the first CSI request and the second CSI request.4. The method according to claim 1 , whereinif the number of the multiple aperiodic CSI processes exceeds a first threshold, the aperiodic CSI corresponding to the part of the multiple ...

Method and device for radio frame transmission

A method for radio frame transmission, applied to a communication station, is provided, the method including: receiving a request frame sent simultaneously or in a time-sharing manner by one or more stations; and sending a broadcast response frame to the one or more stations. Also provided is a device for radio frame transmission. The solutions of the present application can improve the transmission efficiency.

CONTROL CHANNEL SIGNALING FOR INDICATING THE SCHEDULING MODE

The invention relates to a control channel signal for use in a mobile communication system providing at least two different scheduling modes. Further the invention relates to a scheduling unit for generating the control channel signal and a base station comprising the scheduling unit. The invention also relates to the operation of a mobile station and a base station for implementing a scheduling mode using the control channel signal. In order to facilitate the use of different scheduling schemes for user data transmission while avoiding an additional flag for indicating the scheduling mode in the control signaling, the invention proposes the use of code points in existing control channel signal fields. Further, the invention proposes a specific scheduling mode for use in combination with the proposed control channel signal. According to this scheduling mode control channel information is only provided for retransmissions, while initial transmissions are decoded using blind detection. 1. An integrated circuit configured to control operation of a base station , the integrated circuit embodying logic operable to:transmit, to a mobile station, a control channel signal that includes a HARQ (Hybrid Automatic Repeat request) process field and other control information format fields; andsupport a dynamic scheduling mode or a persistent scheduling mode in communicating with the mobile station,wherein,when a value in the HARQ process field and a value in another control information format field in the transmitted control channel signal at least partially constitute a predetermined combination of values, the logic supports the persistent scheduling mode in communicating with the mobile station, andinterpretation of at least one control information format field, which is other than the HARQ field and the another control information format field, is different between the dynamic scheduling mode and the persistent scheduling mode, wherein the interpretation is based on the ...

COMMUNICATION METHOD, TERMINAL DEVICE, AND NETWORK DEVICE

This application provides a communication method, including: receiving, by a terminal device, configuration information, where the configuration information is used to configure M component carriers, and M is a positive integer; determining, by the terminal device, N types of DCI sizes based on the configuration information; and if N is greater than a first threshold, determining, by the terminal device, Q types of DCI sizes, and detecting a downlink control channel in a first time unit based on the Q types of DCI sizes, where Q is less than or equal to the first threshold. According to the communication method provided in this application, a capability of detecting a DCI size by a terminal device can be fully used. 1. A communication method , comprising:receiving, by a terminal device, configuration information, wherein the configuration information is used to configure M component carriers, and M is a positive integer;determining, by the terminal device, N types of downlink control information (DCI) sizes based on the configuration information; andif N is greater than a first threshold, determining, by the terminal device, Q types of DCI sizes, and detecting a downlink control channel based on the Q types of DCI sizes, wherein Q is less than or equal to the first threshold.2. The communication method according to claim 1 , wherein the determining claim 1 , by the terminal device claim 1 , Q types of DCI sizes comprises:determining, by the terminal device, the Q types of DCI sizes from the N types of DCI sizes, wherein the N types of DCI sizes correspond to the M component carriers, and the Q types of DCI sizes correspond to a portion of the M component carriers.3. The communication method according to claim 1 , wherein the detecting a downlink control channel comprises:detecting, by the terminal device, the downlink control channel in search spaces of the M component carriers based on the Q types of DCI sizes.4. The communication method according to claim 3 , ...

Techniques for improving feedback processes based on a latency between a transmission time interval (tti) and a feedback opportunity

Techniques are described for wireless communication. One method includes identifying a latency between a start of a transmission time interval (TTI) of a transmission burst and a feedback opportunity for the TTI, and determining a duration of the TTI based at least in part on the latency. Another method includes identifying a latency between an end of a TTI of a transmission burst and a feedback opportunity for the TTI, identifying a plurality of code blocks in the TTI, selecting one of a transport block level feedback or a code block level feedback for the TTI based at least in part on the latency, and transmitting the selected one of the transport block level feedback or the code block level feedback for the TTI during the feedback opportunity.

CONFIGURATION AND RESOURCE ALLOCATION FOR DOWNLINK DEMODULATION REFERENCE SIGNALS

According to one aspect, a network node is provided. The network node includes processing circuitry configured to allocate resources for a reference signal signaling for a first wireless device, the allocated resources configured to separate, in a slot, at least one transmission layer of the first wireless device from at least one transmission layers of a second wireless device by at least one of scheduling the first wireless device and second wireless device different reference signal ports that are separated by using the same resource elements and different CDM codes, scheduling the first wireless device and second wireless device at least one shared reference signal port using the same resource elements and CDM code, and scheduling the first wireless device and second wireless device on different reference signal ports that are separated by FDM using different resource elements and the same CDM codes. 1. A network node , comprising:{'claim-text': {'claim-text': ['scheduling the first wireless device and second wireless device on different reference signal ports that are separated by using the same resource elements and different code division multiplexing, CDM, codes, the first wireless device and second wireless device having associated scrambling sequences;', 'scheduling the first wireless device and second wireless device on at least one shared reference signal port using the same resource elements and CDM code, the first wireless device and second wireless device having different scrambling sequences;', 'scheduling the first wireless device and second wireless device on different reference signal ports that are separated by frequency division multiplexing, FDM, using different resource elements and the same CDM codes, the first and second wireless device having associated scrambling sequences; and', 'scheduling the first wireless device and second wireless device on different reference signal ports that are separated through both FDM and CDM by using ...

Precoding-related signal transmitting or receiving method and apparatus

The present specification relates to a precoding-related information transmitting or receiving method and apparatus. A precoder-related information receiving method by a user equipment according to an embodiment of the present specification comprises the steps of: transmitting an aperiodic channel state information (CSI) report; receiving a rank indicator and a first precoder indicator from a base station; acquiring a second precoder indicator included in the most recent aperiodic CSI report which corresponds to the rank indicator in the aperiodic CSI reports transmitted by the user equipment; and receiving a signal using the first precoder indicator and the second precoder indicator. According to an embodiment of the present specification, precoding-related information can be effectively transmitted or received.

BASE STATION, USER TERMINAL, PROCESSOR, AND COMMUNICATION METHOD

A base station according to an embodiment is a base station configured to perform transmission to a user terminal by use of an unlicensed band. The base station comprises: a controller configured to start the transmission from a boundary of a subframe, but also to start the data transmission from a second-half slot out of a first-half slot and the second-half slot which configure a subframe. The controller is configured to transmit downlink control information in the second-half slot to start the transmission from the second-half slot. The controller is configured to change a modulation scheme to be applied to the transmission, depending on a start timing of the transmission, while fixing a transport block size applied to the subframe. The downlink control information is a PDCCH or an EPDCCH. 1. A base station configured to perform transmission to a user terminal by use of an unlicensed band , comprising:a controller configured to start the transmission from a boundary of a subframe, but also to start the data transmission from a second-half slot out of a first-half slot and the second-half slot which configure a subframe, whereinthe controller is configured to transmit downlink control information in the second-half slot to start the transmission from the second-half slot,the controller is configured to change a modulation scheme to be applied to the transmission, depending on a start timing of the transmission, while fixing a transport block size applied to the subframe, andthe downlink control information is a PDCCH or an EPDCCH.2. The base station according to claim 1 , wherein the controller is configured to notify claim 1 , by RRC signaling claim 1 , the user terminal of candidate timing information indicating a symbol interval in which the transmission starts from the second-half slot.3. The base station according to claim 1 , whereinthe controller is configured to determine, if starting the transmission from the second-half slot depending on an monitoring ...

EXTERNAL DEVICE FOR COMMUNICATING WITH CONFERENCING CLIENT USING NOTIFICATION API

Systems, methods, and software are disclosed herein for providing notifications on an external device. In an implementation, a communication endpoint comprises a communication system configured to communicate with a communication device, a microphone, a speaker, an indicator, a user interface, and a controller. The controller is programmed to receive a notification type from a conferencing client application running on the communication device via the communication system, control the indicator based on the notification type, and receive a user input via the user interface. The controller is further programmed to, in response to the user input, send an invocation request to the communication device via the communication system to activate the conferencing client application, receive a request for the notification type from the conferencing client application via the communication system, and, in response to receiving the request, sending the notification type to the conferencing client application via the communication system. 1. A communication endpoint comprising:a communication system configured to communicate with a communication device;a microphone;a speaker;an indicator;a user interface; and receive a notification type from a conferencing client application running on the communication device via the communication system;', 'control the indicator based on the notification type;', 'receive a user input via the user interface;', 'in response to the user input, send an invocation request to the communication device via the communication system to activate the conferencing client application;', 'receive a request for the notification type from the conferencing client application via the communication system; and', 'in response to receiving the request, sending the notification type to the conferencing client application via the communication system., 'a controller programmed to2. The communication endpoint of claim 1 , wherein the indicator comprises at least one ...

LOW LATENCY PHYSICAL UPLINK CONTROL CHANNEL WITH SCHEDULING REQUEST AND CHANNEL STATE INFORMATION

Methods, systems, and devices for wireless communication are described. A user equipment (UE) and a base station may use low latency communications to improve the throughput of a wireless link. To facilitate efficient low latency communication, the UE may send UE-initiated CSI reports in addition to periodic and base station-initiated reports. For example, the UE may, in various examples, send UE-initiated CSI reports using contention based spectrum, using a request-to-transmit, or using a CSI differential (i.e., an indicator of a change in channel conditions). The base station may schedule different UEs for uplink low latency communication by providing resources to each UE for CSI and scheduling requests (SRs) using coherent or non-coherent uplink transmissions. The CSI and SR may also be combined with uplink feedback. 1. A method of wireless communication , comprising:transmitting a report with channel state information (CSI) for a communication link that uses a first transmission time interval (TTI) duration in a system that supports operation with the first TTI duration and a second TTI duration that is greater than the first;determining a change in a channel state for the communication link; andtransmitting signaling that indicates a difference between the CSI and the change in the channel state.2. The method of claim 1 , wherein the report with the CSI or the signaling that indicates the difference between the CSI and the change in the channel state is transmitted on resources selected from a set of resources reserved for uplink control information (UCI).3. The method of claim 2 , wherein the set of resources reserved for UCI comprises resources reserved for scheduling request (SR) claim 2 , CSI reports claim 2 , hybrid automatic repeat request (HARQ) feedback claim 2 , or any combination thereof.4. The method of claim 2 , wherein the set of resources reserved for UCI is reserved based at least in part on a number of user equipment (UEs) for which the set of ...

Data Transmission Method and Apparatus

Embodiments of this application provide a data transmission method and apparatus. The method includes: sending, by a network device, first information by using first signaling, where the first information is used to indicate a quantity N of transmitted precoding matrix indicators TPMIs in second signaling; and sending, by the network device, resource scheduling information and the N TPMIs by using the second signaling, where the resource scheduling information is used to indicate n scheduled physical resource blocks PRBs of M PRBs included in a communication bandwidth, all or some of the N TPMIs is used to indicate a precoding matrix of the n PRBs.

Data transmission method, terminal device, and network device

This application describes a data transmission method, a terminal device, and a network device. The method may include determining, by a terminal device, a reporting type of channel state information (CSI), where the reporting type is used to indicate a relationship between CSI of a beam that is currently reported by the terminal device and CSI of a beam that is previously reported by the terminal device in a current reporting period. The method may also include sending, by the terminal device, CSI of N beams to a network device based on a reporting type and a codebook parameter, where the codebook parameter is used to indicate a quantity N of the currently reported beams, and N is an integer greater than or equal to 1. According to the data transmission method, the terminal device, and the network device described in the embodiments of this application, CSI reporting flexibility can be improved, thereby improving system performance.

RADIO TERMINAL, RADIO BASE STATION, CHANNEL SIGNAL FORMING METHOD, AND CHANNEL SIGNAL RECEIVING METHOD

A base station communicates with a terminal, for which an uplink component carrier and downlink component carriers are configured. The base station adjusts a payload size of control information, transmitted in a downlink control channel, based on a basic payload size, and maps the control information onto a search space in at least one of the downlink component carriers. The basic payload size of the control information mapped onto a search space in a primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the primary downlink component carrier, and on a number of information bits obtained from a bandwidth of the uplink component carrier. The basic payload size of the control information mapped onto a search space in a non-primary downlink component carrier is based on a number of information bits obtained from a bandwidth of the non-primary downlink component carrier. 1. A communication apparatus comprising:circuitry, which, in operation, determines a basic payload size of downlink control information transmitted from a base station; anda receiver, which is coupled to the circuitry and which, in operation, detects the downlink control information mapped to at least one of a plurality of downlink component carriers that include a primary downlink component carrier, using the determined basic payload size,wherein:the basic payload size of the downlink control information mapped to the primary downlink component carrier is calculated using a number of information bits obtained from a bandwidth of the primary downlink component carrier, and a number of information bits obtained from a bandwidth of an uplink component carrier; andthe basic payload size of the downlink control information mapped to a downlink component carrier other than the primary downlink component carrier is calculated using a number of information bits obtained from a bandwidth of the downlink component carrier other than the primary downlink ...

System and Method for Wireless Communications Measurements and CSI Feedback

Measurements and Channel State Information (CSI) feedback are configured using communications between a network and user equipment (UE). The communications includes a first signaling from a network component to the UE indicating one or more reference signal (RS) resource configurations, a second signaling indicating one or more interference measurement (IM) resource configurations, and a third signaling indicating a CSI report configuration, wherein the CSI report configuration indicates a subset of the one or more RS resource configurations and a subset of the one or more IM resource configurations. The UE establishes a RS based measurement according to the subset of the one or more RS resource configurations and an IM according to the subset of the one or more IM resource configurations. The UE then generates and sends to the network a CSI report in accordance with the CSI report configuration and using the RS based measurement and the IM.

Apparatus and method for channel state information feedback in wireless communication system

The present disclosure relates to a pre-5 th -Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4 th -Generation (4G) communication system such as Long Term Evolution (LTE). Methods and apparatuses are provided for devices in a wireless communication system. Information requesting a channel estimation by at least one second device is transmitted from a first device to the at least one second device. Channel information is received at the first device as feedback from the at least one second device.

System and method of channel control in a wireless communication system

An apparatus may include a receiver arranged to wirelessly receive a downlink message allocating a set of component carriers and non-backward-compatible component carriers. The apparatus may include a processor and a control channel assignment module that is operable on the processor to determine timing for an acknowledgment message for responding to data transmitted in an uplink communication, and to locate a control channel resource for an acknowledgment message to data transmitted via a non-backward-compatible component carrier, the acknowledgement message to be carried by a component carrier. Other embodiments are disclosed and claimed.

ACTIVATION AND DEACTIVATION OF SEMI-PERSISTENT CSI REPORTING

Systems and methods for validating a control message for activation or deactivation of Semi-Persistent Channel State Information (SP-CSI) reporting in a wireless communication system are disclosed. In some embodiments, a method performed by a wireless device for validating a control message for activation or deactivation of SP-CSI reporting in a wireless communication system comprises receiving, from a network node, a control message for activation or deactivation of the SP-CSI reporting. The method further comprises making, based on the control message, a determination as to whether to activate the SP-CSI reporting or to deactivate the SP-CSI reporting and activating or deactivating the SP-CSI reporting in accordance with the determination. In this manner, the wireless device is enabled to distinguish between a control message activating SP-SCI reporting and a control message deactivating SP-SCI reporting. 1. A communication system including a host computer comprising:processing circuitry configured to provide user data; and one or more Cyclic Redundancy Check (CRC) bits of the control message is scrambled with a SP-CSI Cell Radio Network Temporary Identifier (SP-CSI-RNTI) of the wireless device; and', 'the control message comprises information that indicates whether the control message is for activation of the SP-CSI reporting or for deactivation of the SP-CSI reporting, wherein the information comprises bit values configured in one or more bit fields of the control message and the one or more bit fields comprise one or more bit fields defined for providing a new data indicator and/or a redundancy version; and', 'transmit the forwarded user data to the UE based on a received SP-CSI report., 'send, to a wireless device, a control message for activation or deactivation of SP-CSI reporting, wherein, 'a communication interface configured to forward the user data to a cellular network for transmission to a user equipment (UE), wherein the cellular network comprises a ...

Systems, methods, and devices with different radio link failure timers based on user equipment speed

Systems, methods, and device for adjusting an operation time of a radio link failure timer are disclosed herein. User equipment (UE) may be configured to communicatively couple to an evolved Universal Terrestrial Radio Access Network (E-UTRAN). The UE use different radio link failure timer parameters depending on the speed of the UE. The radio link failure timer may run for a longer time for rapidly moving UEs and run for a shorter time for slowly moving UEs. In an embodiment, the UE may scale the radio link failure timer by a scaling factor. In another embodiment, the UE may include multiple radio link failure timers for different speeds. The radio link failure timer parameters for each speed may be specified by the E-UTRAN in a one-to-one communication. The E-UTRAN may determine which parameters to use for each UE based on characteristics of the UE.

CARRIER AGGREGATION ENHANCEMENT

A component carrier (CC) selection based aperiodic CSI report trigger configuration may be used to trigger one or more of channel state information (CSI) processes, CCs in cell groups, and/or CSI subframe sets to perform an aperiodic CSI report based on a value of a CSI request field in an uplink DCI format and serving cell information to indicate a serving cell where aperiodic CSI reporting is transmitted according to the detected uplink DCI format or a serving cell where PDCCH conveying the detected uplink DCI format is transmitted. 125.-. (canceled)26. An apparatus of a user equipment (UE) , comprising:a decoder to decode uplink downlink control information (DCI) transmitted in a first serving cell to determine a value of a channel state information (CSI) request field; anda circuitry to determine, for an aperiodic CSI report or feedback to be transmitted in a second serving cell, a set of component carriers (CCs), a CSI process, or a CSI subframe set based on the value and the first or second serving cells.27. The apparatus of claim 26 , wherein the circuitry is to further:maintain group information on one or more serving cells to be grouped into one or more cell groups (CGs), wherein the first or second serving cell is in a first CG.28. The apparatus of claim 27 , wherein the circuitry is to further:determine a corresponding CG in the one or more CGs to perform the aperiodic CSI report based on an association between the first or second serving cell and a corresponding CG triggered for the aperiodic CSI report or feedback.29. The apparatus of claim 26 , further comprising:a transceiver to transmit the aperiodic CSI report or feedback on a PUSCH transmission in the second serving cell based on the uplink DCI.30. The apparatus of claim 29 , wherein the transceiver is to further:transmit a physical uplink shared channel (PUSCH) to carry the aperiodic CSI report or feedback on the second serving cell.31. The apparatus of claim 26 , wherein the decoder is to further ...

ACOUSTIC COMMUNICATION METHOD AND ACOUSTIC COMMUNICATION SYSTEM

An acoustic communication system includes a first acoustic communication apparatus and a second acoustic communication apparatus. The first acoustic communication apparatus transmits a first acoustic wave to the second acoustic communication apparatus. The second acoustic communication apparatus transmits, as a response, a second acoustic wave to the first acoustic communication apparatus continuously in constant cycles until a next first acoustic wave is received. Each cycle includes a transmission period and a pause period. The first acoustic communication apparatus, which has received the second acoustic wave, determines a transmission timing that allows the next first acoustic wave to be received by the second acoustic communication apparatus based on a time period required from transmission of the first acoustic wave till reception of the second acoustic wave and the length of the transmission period, and transmits the next first acoustic wave to the second acoustic communication apparatus at the determined transmission timing. 1. An acoustic communication method of performing acoustic communications without causing collision of acoustic waves between a first acoustic communication apparatus and a second acoustic communication apparatus , the method comprising:the first acoustic communication apparatus transmitting a first acoustic wave to the second acoustic communication apparatus;the second acoustic communication apparatus transmitting, upon receipt of the first acoustic wave, a second acoustic wave to the first acoustic communication apparatus continuously in constant cycles until a next first acoustic wave is received, each cycle including a transmission period and a pause period; andthe first acoustic communication apparatus which has received the second acoustic wave determining, based on a time period required from transmission of the first acoustic wave till reception of the second acoustic wave and a length of the transmission period, a transmission ...

PROVIDING HANDOVER CAPABILITY TO DISTRIBUTED SENSOR APPLICATIONS ACROSS WIRELESS NETWORKS

Improved capabilities are described for increasing the bandwidth in a wireless communication network, such as where host computers provide publish-subscribe broker services to a sensor device and a communicating entity. A queuing service application may provide service packet continuity when the sensor device or the communicating entity moves between two wireless RF access nodes (in the same or different wireless networks). The publish-subscribe broker network is adapted to route packets of sensor data, on behalf of the sensor device that publishes the sensor data, to a sensor-processing application, wherein the sensor-processing application subscribes to the sensor data, and wherein the sensor-processing application generates application data that is at least in part sensor data from the sensor device. The publish-subscribe broker network is adapted to route packets of the application data, on behalf of the sensor-processing application that publishes the application data, to the communicating entity if the communicating entity subscribes to the application data. The queuing service application connects to the publish/subscribe broker network and subscribes to receive packets of the application data matching the packets being sent to the communicating entity, wherein the queuing service application makes available the matching application data packets to replace application data packets that the communicating entity did not receive during a time when the sensor device or the communicating entity transitions between connections with the two wireless RF access nodes. 1. A system comprising:(a) a host computer adapted to provide publish-subscribe broker services via a publish-subscribe broker network to a sensor device and to a communicating entity in RF communication with at least one wireless RF access node of a plurality of wireless RF access nodes, each wireless RF access node enabling the sensor device and the communicating entity to connect to the publish- ...

Methods and Apparatuses for Signaling in Dynamic Time Division Duplex Systems

The present invention relates to a method in a UE served by a network node, a method in the network node, the UE, and the network node. The network node is applying dynamic TDD with flexible subframes. The method comprises receiving () a first configuration message from the network node indicating a TDD reference configuration, and determining () in which subframe to signal HARQ information based on the TDD reference configuration. The method further comprises receiving () a second configuration message from the network node indicating a set of DL subframes that may comprise explicit signaling messages, monitoring () the indicated set of DL subframes, and receiving () an explicit signaling message in response to monitoring. The explicit signaling message designates a subframe in which the UE shall receive a DL signal. The method also comprises preparing () to receive the DL signal in the designated subframe.