SUBSCRIPTIONS SCHEDULING IN MULTI-SUBSCRIPTION DEVICES

Embodiments described herein relate to systems and methods for scheduling subscriptions in a user equipment (UE) having at least a first receive radio and a second receive radio, including receiving, by the first receive radio, a broadcast activity for a first subscription and receiving, by the second receive radio, a reception activity for a second subscription. A trigger event is detected while the broadcast activity for the first subscription is being received by the first receive radio and the reception activity for the second subscription is being received by the second receive radio. In response to detecting the trigger event, the reception activity for the second subscription is received by the first receive radio and the broadcast activity for the first subscription is received by the second receive radio.

Methods for TxPool selection for LTE-D code transmission

In device-to-device (D2D) communication in a licensed spectrum, selection of a transmit pool and distribution of codes to be transmitted to the transmit pools for more efficient transmission is desired, for a given period. The apparatus may a user equipment (UE) for D2D communication in a licensed spectrum. The UE sets a discovery epoch to a shortest discovery period among discovery periods of a plurality of transmit resource pools, each transmit resource pool of the plurality of transmit resource pools associated with a respective frequency. The UE estimates a channel utilization of each transmit resource pool of the plurality of transmit resource pools based on one or more previous transmissions on each transmit resource pool of the plurality of transmit resource pools. The UE selects a transmit resource pool among the plurality of transmit resource pools for a D2D transmission within the discovery epoch based on the estimated channel utilizations.

Methods and apparatus for handling a signaling message the relates to transmission rate restrictions

A method for handling a signaling message that specifies transmission rate restrictions may include operating in a first state. The method may also include receiving the signaling message from a network. The signaling message may include an activation time, the transmission rate restrictions and the control duration. The method may also include receiving a state transition trigger to operate in a second state. The method may also include determining the user equipment's behavior regarding the transmission rate restrictions upon receiving the state transition trigger.

Subscriptions scheduling in multi-subscription devices

Embodiments described herein relate to systems and methods for scheduling subscriptions in a user equipment (UE) having at least a first receive radio and a second receive radio, including receiving, by the first receive radio, a broadcast activity for a first subscription and receiving, by the second receive radio, a reception activity for a second subscription. A trigger event is detected while the broadcast activity for the first subscription is being received by the first receive radio and the reception activity for the second subscription is being received by the second receive radio. In response to detecting the trigger event, the reception activity for the second subscription is received by the first receive radio and the broadcast activity for the first subscription is received by the second receive radio.

Managing Access To Receive Chains Of A Multi-Subscription Multi-Standby Communication Device

Embodiments include systems and methods for managing access to receive chains of a multi-subscription multi-standby (MSMS) communication device. A device processor may determining a receive mode of the MSMS communication device. In response to determining that the receive mode is a diversity sharing mode, the device processor may monitor a data loss from the broadcast data stream, and may determine a first subscription schedule and a second subscription schedule. The device processor may determine that the data loss is greater than or equal to a threshold, and the device processor may determine that there is an upcoming overlap between the first subscription schedule and the second subscription schedule. The device processor may prevent the second subscription from using the second receive chain. 1. A method for managing access to a first receive chain and a second receive chain of a multi-subscription multi-standby (MSMS) communication device by a plurality of subscriptions of the MSMS communication device during receipt of a broadcast data stream , comprising:determining a receive mode of the MSMS communication device; and monitoring a data loss from the broadcast data stream;', 'determining a schedule of communication activity of a first subscription (first subscription schedule) and a schedule of communication activity of a second subscription (second subscription schedule);', 'determining whether the data loss is greater than or equal to a data loss threshold;', 'determining whether there is an upcoming overlap between the first subscription schedule and the second subscription schedule in response to determining that the data loss is greater than or equal to the data loss threshold; and', 'preventing the second subscription from using a first receive path of the second receive chain in response to determining that there is an upcoming overlap between the first subscription schedule and the second subscription schedule., 'in response to determining that the ...

INTERNAL DATA TRANSFER IN EMBMS RECEPTION

Resource and power savings in internal data transfer in enhanced multimedia broadcast-multicast service (eMBMS) is disclosed herein which may include receiving, by a modem processor of a mobile device, data packets of a data object from a broadcast-multicast service. The modem processor may buffer the received data packets without forwarding the buffered data packets to an application processor associated with the modem processor. The modem processor may also determine an end of a segment of the data object. The segment may indicate a period during which the data object is scheduled to be received by the modem processor. The modem processor may forward, in a single data burst, the buffered data packets to the application processor before the end of the segment 1. A method of wireless communication , comprising:receiving, by a modem processor of a mobile device, data packets of a data object from a broadcast-multicast service;buffering, by the modem processor, the received data packets without forwarding the buffered data packets to an application processor associated with the modem processor;determining, by the modem processor, an end of a current segment of the data object, wherein the current segment indicates a period during which the data object is scheduled to be received by the modem processor; andforwarding, by the modem processor, in a single data burst, the buffered data packets to the application processor before the end of the current segment.2. The method of claim 1 , wherein the application processor processes the forwarded buffered data packets only after the end of the current segment.3. The method of claim 1 , wherein the mobile device is in idle mode.4. The method of claim 1 , wherein the determining the end of the current segment comprises:obtaining an encoding symbol identifier (ESI) from a header of at least one of the received data packets, wherein the ESI indicates an index of a current symbol of the data object transmitted in at least one of ...

Received signal strength indicator (RSSI) realizing cellular radio access technology type measurements in a wireless local area network domain

Certain aspects of the present disclosure relate to methods and apparatus for measurement reporting. The method comprises receiving, via a first radio access technology (RAT), a first request for one or more measurement reports, translating the first request to a group of second requests for measurement associated with at least a second RAT, and transmitting at least one of the second requests to initiate gathering measurements associated with the second RAT for use in generating the one or more measurement reports in response to the first request.

Optimized LTE MIB/SIB collection logic after LTE handover

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus performs a handover from a source cell to a target cell. The apparatus determines a decoding timer value based on network conditions. The apparatus attempts to decode a MIB or a SIB from the target cell within a time after the handover corresponding to the decoding timer value. The apparatus triggers a radio link failure (RLF) when the MIB or the SIB is not decoded within the time corresponding to the decoding timer value.

Prioritization of concurrent inter-frequency/inter-RAT measurement and eMBMS service reception

A method, an apparatus, and a computer-readable medium for wireless communication are provided. The apparatus may be a UE. The UE receives MBMS in an MBMS session from a base station. The UE determines a data receipt metric associated with data received during the MBMS subframes in the MBMS session. A portion of the MBMS subframes coincides with a measurement gap configured for inter-frequency or inter-RAT measurement. The UE determines whether the data receipt metric is in a first relationship with a first threshold. When the data receipt metric is in the first relationship with the first threshold, the UE refrains from receiving the data during at least the portion of the MBMS subframes that coincides with the measurement gap and performs the inter-frequency or inter-RAT measurement during the measurement gap when the data receipt metric is in the first relationship with the first threshold.

Apparatus and method for signaling network capabilities for a wireless device

Methods and apparatus for wireless communication in a wireless communication network include maintaining a Public Land Mobile Network (PLMN) list and receiving an information request from a network, wherein the information request is associated with configuration parameters associated with the PLMN list. Aspects of the methods and apparatus configuring the UE based on the configuration parameters associated with the PLMN list. Aspects also include replying to the network that the UE is configured with the configuration parameters associated with the PLMN list.

Internal data transfer in EMBMS reception

Resource and power savings in internal data transfer in enhanced multimedia broadcast-multicast service (eMBMS) is disclosed herein which may include receiving, by a modem processor of a mobile device, data packets of a data object from a broadcast-multicast service. The modem processor may buffer the received data packets without forwarding the buffered data packets to an application processor associated with the modem processor. The modem processor may also determine an end of a segment of the data object. The segment may indicate a period during which the data object is scheduled to be received by the modem processor. The modem processor may forward, in a single data burst, the buffered data packets to the application processor before the end of the segment.

Managing Access To Receive Chains Of A Multi-Subscription Multi-Standby Communication Device

Embodiments include systems and methods for managing access to receive chains of a multi-subscription multi-standby (MSMS) communication device. A device processor may determine a receive mode of the MSMS communication device. In response to determining that the receive mode is a diversity sharing mode, the device processor may determine a first subscription schedule and a second subscription schedule. The device processor may that there is an upcoming overlap between the first subscription schedule and the second subscription schedule, and in response the device processor may prevent the second subscription from using the second receive chain. 1. A method for managing access to a first receive chain and a second receive chain of a multi-subscription multi-standby (MSMS) communication device by a plurality of subscriptions of the MSMS communication device during receipt of a broadcast data stream , comprising:determining a receive mode of the MSMS communication device; and determining a schedule of communication activity of a first subscription (first subscription schedule) and a schedule of communication activity of a second subscription (second subscription schedule);', 'determining whether there is an upcoming overlap between the first subscription schedule and the second subscription schedule; and', 'preventing the second subscription from using a first receive path of the second receive chain in response to determining that there is an upcoming overlap between the first subscription schedule and the second subscription schedule., 'in response to determining that the receive mode is a diversity sharing mode2. The method of claim 1 , further comprising:receiving the first subscription using the first receive chain and a second receive path of the second receive chain.3. The method of claim 1 , wherein preventing the second subscription from using a first receive path of the second receive chain in response to determining that there is an upcoming overlap between ...

Methods and apparatus for employing different capabilities for different duplexing modes

Certain aspects of the present disclosure propose techniques for independently signaling features supported by a user equipment (UE) in different duplexing modes. The UE may be capable of communicating in frequency division duplexing (FDD) and time division duplexing (TDD) modes. The UE may obtain a FDD-specific feature group indicators (FGIs) set and a TDD-specific FGIs set, and signal at least one of the FDD-specific FGIs set or TDD-specific FGIs set. In addition, the UE may take one or more actions to reduce the likelihood of transitioning to a mode of operation that is different from its current mode of operation.

CELL AVOIDANCE ASSOCIATED WITH LOWER LAYER FAILURES

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may determine that a number of access stratum (AS) operations or communications have failed while attempting to communicate with a cell. Based on the AS failures, the UE may deprioritize the cell. For example, based on the deprioritization, the UE may bar certain cells from selection or reselection procedures. The UE may thus attempt to select or reselect a different cell even if the cell is ranked lower based on a selection criteria or reselection criteria. In some cases, UEs may store and share historical AS failure information that may also be used to determine when to deprioritize a cell. In some cases, a group of cells may be deprioritized (e.g., a group based on frequency, network, or tracking area). 1. A method of wireless communication comprising:determining that a number of failures in access stratum (AS) operations for a first cell has exceeded a threshold;deprioritizing the first cell relative to a priority of a second cell based at least in part on the determination that the number of failures has exceeded the threshold;selecting the second cell based at least in part on the deprioritization of the first cell; andcommunicating with the second cell based at least in part on selecting the second cell.2. The method of claim 1 , further comprising:determining that a timer associated with a non-access stratum (NAS) procedure has expired, wherein the deprioritization of the first cell is based at least in part on the expiration of the timer associated with the NAS procedure.3. The method of claim 2 , wherein the timer associated with the NAS procedure comprises an evolved packet system (EPS) mobility management (EMM) timer.4. The method of claim 1 , wherein the failures in AS operations comprise at least one of a random access operation failure claim 1 , a radio resource control (RRC) connection attempt failure claim 1 , an expiry of an RRC connection timer claim 1 , ...

Methods and apparatus for employing different capabilities for different duplexing modes

Certain aspects of the present disclosure propose techniques for independently signaling features supported by a user equipment (UE) in different duplexing modes. The UE may be capable of communicating in frequency division duplexing (FDD) and time division duplexing (TDD) modes. The UE may obtain a FDD-specific feature group indicators (FGIs) set and a TDD-specific FGIs set, and signal at least one of the FDD-specific FGIs set or TDD-specific FGIs set. In addition, the UE may take one or more actions to reduce the likelihood of transitioning to a mode of operation that is different from its current mode of operation.

Method of enhancing user experience by using system information in LTE EMBMS

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives a request to receive a Multimedia Broadcast Multicast Service (MBMS) service associated with a service area identity (SAI) and a second frequency. The apparatus performs inter-frequency cell reselection from a first cell transmitting at a first frequency to a second cell transmitting at the second frequency, the second cell being an inter-frequency neighbor cell to the first cell. The apparatus receives system information from the second cell. The apparatus determines that the second cell transmitting at the second frequency is unassociated with the SAI based on the received system information. The apparatus blacklists the SAI on the second frequency in a blacklist for at least a period of time upon determining that the second cell is unassociated with the SAI.

Achieving fast EMBMS channel switching and adding in LTE

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives a first MTCH. The apparatus stores MBMS control information for at least a second MTCH. The apparatus subsequently determines to receive the second MTCH. The apparatus then accesses the stored MBMS control information for the second MTCH upon determining to receive the second MTCH. The apparatus receives the second MTCH based on the accessed MBMS control information without acquiring the MBMS control information for the second MTCH after the determination to receive the second MTCH.

EMBMS service continuity during UE mobility

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives an MBMS service from a first cell based on first cell MBSFN service configuration information of the first cell. The apparatus switches from being served by the first cell to a second cell. The apparatus attempts to receive the MBMS service from the second cell by utilizing the first cell MBSFN service configuration information prior to obtaining second cell MBSFN service configuration information of the second cell.

Methods and apparatus for handling a signaling message that relates to transmission rate restrictions

A method for handling a signaling message that specifies transmission rate restrictions may include operating in a first state. The method may also include receiving the signaling message from a network. The signaling message may include an activation time, the transmission rate restrictions and the control duration. The method may also include receiving a state transition trigger to operate in a second state. The method may also include determining the user equipment's behavior regarding the transmission rate restrictions upon receiving the state transition trigger.

METHODS AND APPARATUS FOR EMPLOYING DIFFERENT CAPABILITIES FOR DIFFERENT DUPLEXING MODES

Certain aspects of the present disclosure propose techniques for independently signaling features supported by a user equipment (UE) in different duplexing modes. The UE may be capable of communicating in frequency division duplexing (FDD) and time division duplexing (TDD) modes. The UE may obtain a FDD-specific feature group indicators (FGIs) set and a TDD-specific FGIs set, and signal at least one of the FDD-specific FGIs set or TDD-specific FGIs set. In addition, the UE may take one or more actions to reduce the likelihood of transitioning to a mode of operation that is different from its current mode of operation. 1. A method for wireless communications by a user equipment capable of communicating in frequency division duplexing (FDD) and time division duplexing (TDD) modes , comprising:obtaining a FDD-specific feature group indicators (FGIs) set and a TDD-specific FGIs set; andsignaling at least one of the FDD-specific FGIs set or TDD-specific FGIs set.2. The method of claim 1 , wherein signaling at least one of the FDD-specific FGIs set or the TDD-specific FGIs set includes signaling at least one of the FDD-specific FGIs set or the TDD-specific FGIs set as part of a Capability Update procedure.3. The method of claim 1 , wherein the signaling at least one of the FDD-specific FGIs set or the TDD-specific FGIs set comprises signaling one of the FDD-specific FGIs set or the TDD-specific FGIs set claim 1 , depending on a current duplexing mode.4. The method of claim 1 , wherein the signaling at least one of the FDD-specific FGIs set or the TDD-specific FGIs set comprises signaling both the FDD-specific FGIs set and the TDD-specific FGIs set.5. A method for wireless communications with a user equipment (UE) capable of communicating in frequency division duplexing (FDD) and time division duplexing (TDD) modes claim 1 , comprising:receiving signaling of at least one of a FDD-specific feature group indicators (FGIs) set or a TDD-specific FGIs set; anddetermining ...

METHOD AND APPARATUS FOR CELL BARRING IN A WIRELESS COMMUNICATION SYSTEM

Systems and methodologies are described herein that facilitate cell barring based on erroneous messages received within a wireless communication system. As described herein, in the event that a device fails to receive and/or decode respective messages transmitted from a network cell over a common communication channel, the device can implement one or more error handling procedures as described herein to reselect away from the network cell and/or a frequency associated with the network cell (e.g., as if the network cell was explicitly barred). Cell barring can be triggered as described herein based on a count of erroneous messages (e.g., consecutive messages, messages received within a predetermined time window, etc.), elapsed time between erroneous messages, or the like. Further, cell barring can be performed as described herein based on failure to acquire pre-scheduled system information, common system information determined to have invalid abstract syntax, or the like. 1. A method , comprising:obtaining one or more messages from a designated network cell over a common channel;attempting decoding of the one or more messages;tracking respective errors encountered during the attempted decoding of the one or more messages, wherein the tracking comprises maintaining a count of erroneous messages encountered during the attempted decoding of the one or more messages; andinitiating an avoidance procedure associated with barred network cells with respect to the designated network cell according to respective tracked errors associated with the attempted decoding of the one or more messages, wherein the initiating comprises initiating the avoidance procedure associated with barred network cells with respect to the designated network cell upon determining that the count exceeds a predetermined threshold.2. The method of claim 1 , wherein the common channel is a Common Control Channel (CCCH).3. The method of claim 1 , wherein the one or more messages comprise Radio Resource ...

METHOD AND AN APPARATUS TO OPTIMIZE MONITORING FOR A NEW EMBMS SESSION IN LTE NETWORKS

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus is configured to monitor for a notification of MCCH information change associated with an MBSFN area without having previously performed an MCCH information acquisition procedure to acquire MCCH information in the MBSFN area. Furthermore, the apparatus is configured to acquire the MCCH information while monitoring for the notification of the MCCH information change that indicates a change of MCCH information. 1. A method of wireless communication , comprising:monitoring for a notification of a change of multicast/broadcast control information associated with a multicast/broadcast area without having previously acquired the multicast/broadcast control information; andacquiring the multicast/broadcast control information while monitoring for the notification of the change of the multicast/broadcast control information.2. The method of claim 1 , further comprising:receiving a first multicast/broadcast area configuration message including an identifier during a current modification period, the identifier being associated with a session;determining that the identifier is unassociated with a desired session; andmonitoring for a second multicast/broadcast area configuration message during a subsequent modification period without having previously received the notification of the change of the multicast/broadcast control information.3. The method of claim 1 , further comprising:receiving at least one multicast/broadcast area configuration message for at least one modification period, each of the at least one multicast/broadcast configuration message including an identifier associated with a session;determining whether each identifier is associated with a desired session; andrefraining from monitoring for additional multicast/broadcast area configuration messages in one or more modification periods subsequent to said at least one modification period upon determining ...

PRIORITIZING INTER-FREQUENCY/INTER-RAT MEASUREMENTS AND EMBMS IN LTE

A method, an apparatus, and a computer program product for wireless communication are provided for prioritizing the performance of measurements during measurement gaps and the reception of multicast/broadcast content. The apparatus receives a configuration from a serving cell to perform a measurement during a measurement gap of a unicast service while in a connected mode. In addition, the apparatus determines whether to refrain from leaving the serving cell on a first frequency and performing the measurement on a second frequency of a neighboring cell in order to receive multicast/broadcast content associated with a multicast/broadcast service during the measurement gap. 1. A method of wireless communication , comprising:receiving a configuration from a serving cell to perform a measurement during a measurement gap of a unicast service while in a connected mode; anddetermining whether to refrain from leaving the serving cell on a first frequency and performing the measurement on a second frequency of a neighboring cell in order to receive multicast/broadcast content associated with a multicast/broadcast service during the measurement gap.2. The method of claim 1 , wherein the determination whether to refrain from leaving the serving cell and performing the measurement is based on a signal quality of the serving cell claim 1 , and an overlap of the measurement gap and a reception of at least one of control/system information or traffic data of the multicast/broadcast content.3. The method of claim 2 , wherein when the reception of said at least one of the control/system information or the traffic data overlaps with the measurement gap and the signal quality is greater than a threshold claim 2 , the method further comprises:refraining from leaving the serving cell and performing the measurement during the measurement gap; andreceiving said at least one of the control/system information or the traffic data during the measurement gap.4. The method of claim 2 , wherein ...

Cell reselection based on multimedia broadcast multicast service (mbms) metrics

A method for cell reselection by a wireless communication device is described. The method includes camping on a serving cell in idle mode. A neighbor cell is detected. A serving cell rank is computed for the serving cell. A neighbor cell rank is computed for the neighbor cell based on multimedia broadcast multicast service metrics. Cell reselection is determined based on the serving cell rank and the neighbor cell rank.

METHOD AND APPARATUS FOR HANDLING RADIO LINK FAILURE IN LTE EMBMS

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a UE. The UE may detect a multicast/broadcast radio link failure based on at least one of decoding errors, lost or error packets/segments, or failure to receive a multicast/broadcast channel for a time period greater than a threshold, and recover from the detected multicast/broadcast radio link failure upon detecting the multicast/broadcast radio link failure. 1. A method of wireless communication , comprising:detecting a multicast/broadcast radio link failure based on at least one of decoding errors, lost or error packets/segments, or failure to receive a multicast/broadcast channel for a time period greater than a threshold; andrecovering from the detected multicast/broadcast radio link failure upon detecting the multicast/broadcast radio link failure.2. The method of claim 1 , wherein the decoding errors are multicast/broadcast decoding errors and the lost or error packets/segments are lost or error multicast/broadcast packets/segments.3. The method of claim 1 , wherein the multicast/broadcast radio link failure is detected when consecutive multicast traffic channel (MTCH) decoding errors are greater than a threshold.4. The method of claim 1 , wherein the multicast/broadcast radio link failure is detected when multicast traffic channel (MTCH) decoding errors within a particular set of subframes are greater than a threshold.5. The method of claim 1 , wherein the multicast/broadcast radio link failure is detected when consecutive multicast control channel (MCCH) decoding errors are greater than a threshold.6. The method of claim 1 , wherein the multicast/broadcast radio link failure is detected when consecutive multicast channel scheduling information (MSI) media access control (MAC) control element decoding errors are greater than a threshold.7. The method of claim 1 , wherein the multicast/broadcast radio link failure is detected when lost or error ...

RECOVERING DATA IN MULTIMEDIA FILE SEGMENTS

This application relates to systems and methods for recovering data in multimedia file segments. A communication device may receive a multimedia file segment that includes damaged data. The communication device may replace the damaged data with dummy data to reconstruct the multimedia file segment. The communication device may then play the reconstructed multimedia file segment. Thus, by replacing the damaged data with dummy data, the communication device may play a multimedia file segment even when part of the segment may be damaged. 1. An apparatus operable in a communication system , comprising:means for receiving a multimedia file segment that comprises damaged data; andmeans for reconstructing the multimedia file segment using dummy data in place of the damaged data.2. The apparatus of claim 1 , further comprising:means for determining whether critical parts of the multimedia file segment were received.3. The apparatus of claim 2 , further comprising means for playing the reconstructed multimedia file segment.4. The apparatus of claim 3 , wherein the means for playing the reconstructed multimedia file segment comprises means for playing the multimedia file segment until a location of the damaged data is reached.5. The apparatus of claim 3 , wherein the means for playing the reconstructed multimedia file segment comprises means for skipping locations of the damaged data.6. The apparatus of claim 3 , wherein the means for playing the reconstructed multimedia file segment comprises means for playing the dummy data in place of the damaged data.7. The apparatus of claim 3 , wherein the means for playing the reconstructed multimedia file segment comprises:means for replacing the damaged data with data interpolated from undamaged parts of the multimedia file segment; andmeans for playing the interpolated data in place of the damaged data.8. The apparatus of claim 2 , further comprising:means for requesting retransmission of critical parts of the multimedia file ...

EMBMS SERVICE ACTIVATION AND MAINTENANCE PROCEDURE IN MULTI-FREQUENCY NETWORKS

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives a user service description (USD) message. When a frequency indicated in the USD message is not a current frequency, the apparatus determines that a system information message is received, determines that the frequency indicated in the USD message is included in the system information message, determines that the frequency is a neighboring cell frequency, sets a priority of the frequency to a highest priority, and measures a signal strength of the frequency when the frequency is included in the system information message, performs a cell reselection determination procedure based on the signal strength of the frequency, performs cell reselection to the neighboring cell based on a result of the cell reselection determination procedure, and acquires the multicast service in the neighboring cell on the frequency. 1. A method for acquiring a multicast service by a user equipment (UE) , comprising:receiving a user service description (USD) message, the USD message indicating a frequency of a multicast service of interest to the UE; determining that a system information message is received,', 'determining that the frequency indicated in the USD message is included in the system information message when the system information message is received,', 'determining that the frequency is a neighboring cell frequency, setting a priority of the frequency to a highest priority, and measuring a signal strength of the frequency when the frequency is included in the system information message,', 'performing a cell reselection determination procedure based on the signal strength of the frequency,', 'performing cell reselection to the neighboring cell based on a result of the cell reselection determination procedure, and', 'acquiring the multicast service in the neighboring cell on the frequency., 'when the frequency indicated in the USD message is not a current ...

APPARATUS AND METHOD FOR SIGNALING NETWORK CAPABILITIES FOR A WIRELESS DEVICE

Methods and apparatus for wireless communication in a wireless communication network include maintaining a Public Land Mobile Network (PLMN) list and receiving an information request from a network, wherein the information request is associated with configuration parameters associated with the PLMN list. Aspects of the methods and apparatus configuring the UE based on the configuration parameters associated with the PLMN list. Aspects also include replying to the network that the UE is configured with the configuration parameters associated with the PLMN list. 1. A method of wireless communication , comprising:maintaining a Public Land Mobile Network (PLMN) list;receiving an information request from a network, wherein the information request is associated with configuration parameters associated with the PLMN list;configuring a UE based on the configuration parameters associated with the PLMN list; andreplying to the network that the UE is configured with the configuration parameters associated with the PLMN list.2. The method of claim 1 , further comprising utilizing a PLMN ID associated with the information request to decide which configuration parameters associated with the PLMN list must be used to configure the UE.3. The method of claim 1 , wherein the information request includes neighbor channel information received in a system block.4. The method of claim 1 , wherein the information request includes information indicating a presence of a Time Division Synchronous Code Division Multiple Access (TDSCDMA) network or a Universal Mobile Telecommunications System (UMTS) network.5. The method of claim 1 , further comprising:determining a network type of a serving network related to a base station based on configuration parameters associated with the PLMN list received from the base station.6. The method of claim 5 , wherein the configuration parameters associated with the PLMN list include neighbor channel information received in a system information block claim 5 ...

ACHIEVING FAST EMBMS CHANNEL SWITCHING AND ADDING IN LTE

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives a first MTCH. The apparatus stores MBMS control information for at least a second MTCH. The apparatus subsequently determines to receive the second MTCH. The apparatus then accesses the stored MBMS control information for the second MTCH upon determining to receive the second MTCH. The apparatus receives the second MTCH based on the accessed MBMS control information without acquiring the MBMS control information for the second MTCH after the determination to receive the second MTCH. 1. A method of wireless communication , comprising:receiving a first multicast traffic channel (MTCH);storing multimedia broadcast multicast service (MBMS) control information for at least a second MTCH;determining to receive the second MTCH;accessing the stored MBMS control information for the second MTCH upon determining to receive the second MTCH; andreceiving the second MTCH based on the accessed MBMS control information without acquiring the MBMS control information for the second MTCH after the determination to receive the second MTCH.2. The method of claim 1 , wherein the MBMS control information comprises at least one of configuration information on at least one multicast control channel (MCCH) or multicast channel (MCH) scheduling information (MSI) claim 1 , each of the at least one MCCH being associated with a different Multicast Broadcast Single Frequency Network (MBSFN) area.3. The method of claim 2 , wherein the configuration information is carried in a Multicast Broadcast Single Frequency Network (MBSFN) area configuration message.4. The method of claim 2 , wherein the MBMS control information comprises the configuration information on the at least one MCCH.5. The method of claim 4 , further comprising:receiving a system information block (SIB) for a plurality of MBSFN areas; andacquiring the configuration information for each of the plurality of MBSFN ...

EFFICIENT UPDATE OF TMGI LIST IN LTE EMBMS

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives at least one MBMS service in at least one MBSFN area. The apparatus receives configuration information on at least one MCCH. The at least one MCCH includes an MCCH unassociated with the at least one MBSFN area. The MCCH unassociated with the at least one MBSFN area is an MCCH associated with an MBSFN area not currently being received by the apparatus. The apparatus constructs a list of TMGIs based on the configuration information. The apparatus updates the list of TMGIs based on at least one of an MCCH change notification message for each of the at least one MCCH or a user service description.

EMBMS SERVICE CONTINUITY DURING UE MOBILITY

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives an MBMS service from a first cell based on first cell MBSFN service configuration information of the first cell. The apparatus switches from being served by the first cell to a second cell. The apparatus attempts to receive the MBMS service from the second cell by utilizing the first cell MBSFN service configuration information prior to obtaining second cell MBSFN service configuration information of the second cell. 1. A method of wireless communication , comprising:receiving a multimedia broadcast multicast service (MBMS) service from a first cell based on first cell Multicast Broadcast Single Frequency Network (MBSFN) service configuration information of the first cell;switching from being served by the first cell to a second cell; andattempting to receive the MBMS service from the second cell by utilizing the first cell MBSFN service configuration information prior to obtaining second cell MBSFN service configuration information of the second cell.2. The method of claim 1 , wherein the second cell MBSFN service configuration information comprises a system information block (SIB) 13 (SIB13) from the second cell.3. The method of claim 2 , wherein the second cell MBSFN service configuration information further comprises a SIB 2 (SIB2) from the second cell.4. The method of claim 3 , wherein the first cell MBSFN service configuration information comprises a SIB2 from the first cell including an MBSFN subframe allocation of the first cell claim 3 , a SIB13 indicating MBSFN subframes on which a multicast control channel (MCCH) can be received on the first cell claim 3 , and MCCH information providing MBSFN area configuration information of the first cell claim 3 , and the second cell MBSFN service configuration information comprises the SIB2 from the second cell including an MBSFN subframe allocation of the second cell claim 3 , the SIB13 indicating ...

METHODS AND APPARATUS FOR REPORTING SIGNAL QUALITY IN OVERLAPPING MULTIMEDIA BROADCAST SINGLE FREQUENCY NETWORK (MBSFN) AREAS

Certain aspects of the present disclosure relate to methods and apparatus for reporting signal quality in overlapping Multimedia Broadcast Single Frequency Networks (MBSFN) areas. A UE may determine a signal quality estimate for each of two or more overlapping MBSFN areas based on Signal to Noise Ratio (SNR) information and Modulation and Coding Scheme (MCS) information for the MBSFN area. The UE may then determine a combined signal quality based on the signal quality estimates of the MBSFN areas. 1. A method of wireless communication by a user equipment (UE) comprising:determining a signal quality estimate for each of two or more overlapping Multimedia Broadcast Single Frequency Network (MBSFN) areas based on Signal to Noise Ratio (SNR) information and Modulation and Coding Scheme (MCS) information for the MBSFN area; anddetermining a combined signal quality estimate based on the signal quality estimates of the MBSFN areas.2. The method of claim 1 , wherein determining the signal quality estimate for each MBSFN area comprises:measuring SNR for a plurality of MBSFN subframes when receiving one or more Multimedia Broadcast and Multicast Services (MBMS).3. The method of claim 1 , wherein determining the signal quality estimate for each MBSFN area comprises:measuring SNR of a unicast signal received from a serving base station when in an Multimedia Broadcast and Multicast Services (MBMS) idle mode.4. The method of claim 1 , wherein determining the signal quality estimate for each MBSFN area comprises:measuring SNR of Multicast Control Channels (MCCHs) for each MBSFN area when in a Multimedia Broadcast and Multicast Services (MBMS) idle mode.5. The method of claim 4 , wherein the SNR of an MCCH is measured based on at least one MBSFN reference signal of one or more MBSFN subframes carrying the MCCH for a particular MBSFN area.6. The method of further comprising configuring an application to request the measuring of the SNR of the MCCHs for each MBSFN area with a ...

REPLACING LOST MEDIA DATA FOR NETWORK STREAMING

In one example, a device includes one or more processors configured to determine that data for at least a portion of a segment of media data has been lost after a remaining portion of the segment has been received via a network transmission in accordance with dynamic adaptive streaming over HTTP (DASH), based on the determination, prior to decoding the media data, add default data to the segment to replace the data that has been determined to be lost to form a replacement segment, and output media data of the replacement segment. 1. A method of presenting media data , the method comprising:determining that data for at least a portion of a segment of media data has been lost after a remaining portion of the segment has been received via a network transmission in accordance with dynamic adaptive streaming over HTTP (DASH);based on the determination, prior to decoding the media data, adding default data to the segment to replace the data that has been determined to be lost to form a replacement segment; andoutputting media data of the replacement segment.2. The method of claim 1 , wherein determining that the data for the at least portion of the segment has been lost comprises determining that at least one packet of the segment has not arrived or has been corrupted.3. The method of claim 1 , wherein adding default data comprises adding at least one of default audio data and default video data to the segment.4. The method of claim 1 , wherein adding default data comprises adding default video data to the segment claim 1 , and wherein the default video data comprises one of a logo screen of a network from which the remaining portion of the segment was received claim 1 , a seasonally relevant display claim 1 , and a content-relevant display.5. The method of claim 1 , wherein adding default data comprises adding content-relevant audio data to the segment.6. The method of claim 1 , further comprising modifying a header of the segment based on the addition of the default ...

FAST RECOVERY MECHANISMS FOR MULTI-CARRIER ENABLED UEs

Methods, systems, and devices are described for recovery from a connection disruption of a user equipment (UE) operating in a multi-carrier mode. The UE may establish a first connection with a primary cell and a second connection with a secondary cell while operating in the multi-carrier mode. A determination may be made that a disruption in the connection with the primary cell has occurred, and the UE may perform a connection reestablishment procedure to attempt to reestablish communications. The connection reestablishment routine may prioritize the secondary cell ahead of one or more other cells for attempting to reestablish communications. The prioritization may be based at least in part on the establishment of the second connection in the multi-carrier mode. 1. A method of wireless communication by a user equipment (UE) in a wireless communication system , comprising:establishing a first connection with a primary cell and a second connection with a secondary cell in a multi-carrier mode;determining that a disruption in the connection with the primary cell has occurred; andprioritizing the secondary cell ahead of one or more other cells in a connection reestablishment procedure responsive to the determination, the prioritization based at least in part on the establishment of the second connection in the multi-carrier mode.2. The method of claim 1 , wherein prioritizing comprises:adding a frequency and cell ID of the secondary cell to an acquisition database of the UE following the establishment of the second connection with the secondary cell.3. The method of claim 2 , wherein a system information block (SIB) of the secondary cell is not read by the UE prior to the addition of the secondary cell to the acquisition database.4. The method of claim 1 , wherein the second connection with the secondary cell is established through a multi-carrier command received at the UE.5. The method of claim 1 , further comprising:determining, prior to the prioritizing, that the ...

ENHANCED EMBMS INTEREST INDICATION

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus sends a message including an indication of at least one frequency of interest and at least one alternative frequency of interest. In an aspect, the at least one frequency of interest is used to provide a set of multimedia broadcast multicast service (MBMS) services and the at least one alternative frequency of interest is used to provide a subset of MBMS services of the set of MBMS services. The apparatus receives, for each MBMS service in the set of MBMS services, said each MBMS service using one of the at least one frequency of interest or the at least one alternative frequency of interest based on the message. 1. A method of wireless communication of a user equipment (UE) , comprising:sending a message including an indication of at least one frequency of interest and at least one alternative frequency of interest, wherein the at least one frequency of interest is used to provide a set of multimedia broadcast multicast service (MBMS) services and the at least one alternative frequency of interest is used to provide a subset of MBMS services of the set of MBMS services; andreceiving, for each MBMS service in the set of MBMS services, said each MBMS service using one of the at least one frequency of interest or the at least one alternative frequency of interest based on the message.2. The method of claim 1 , wherein the message is an MBMS interest indication message.3. The method of claim 1 , further comprising generating the message to include a frequency list including the at least one frequency of interest claim 1 , and to include an alternative frequency list including the at least one alternative frequency of interest.4. The method of claim 3 , further comprising determining a priority for each frequency associated with the at least one frequency of interest and the at least one alternative frequency of interest claim 3 , wherein the frequency list ...

METHOD AND APPARATUS FOR RESOLVING TIME DOMAIN CONFLICT IN DEVICE-TO-DEVICE COMMUNICATION

Device-to-device operations are scheduled based on receive and transmit pools that may have a conflict in time domain. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus for resolving time domain conflict in device-to-device communication are provided. The apparatus may compute a first block rate metric for a first device-to-device communication on a first frequency and a second block rate metric for a second device-to-device communication on a second frequency. The apparatus may detect a time-domain conflict between the first device-to-device communication on the first frequency and the second device-to-device communication on the second frequency. The apparatus may prioritize the first device-to-device communication on the first frequency and the second device-to-device communication on the second frequency based on the first block rate metric and the second block rate metric. 1. A method of wireless communication , comprising:computing a first block rate metric for a first device-to-device communication on a first frequency and a second block rate metric for a second device-to-device communication on a second frequency;detecting a time-domain conflict between the first device-to-device communication on the first frequency and the second device-to-device communication on the second frequency; andprioritizing the first device-to-device communication on the first frequency and the second device-to-device communication on the second frequency based on the first block rate metric and the second block rate metric.2. The method of claim 1 , wherein the first device-to-device communication is a device-to-device transmit operation and the second device-to-device communication is a device-to-device receive operation.3. The method of claim 2 , wherein the device-to-device transmit operation on the first frequency is prioritized over the device-to-device receive operation on the second frequency when the first block rate metric is greater ...

Managing Wireless Device Communication With A Base Station

This disclosure provides systems, methods and apparatus, and computer programs encoded on computer storage media, for managing communications with a base station by a processor of a wireless device. In one aspect, a processor of a wireless device may receive from the base station a system information change indication in first system information. The processor may determine from the first system information scheduling information of second system information. The processor may determine a factor that a request for the second system information will collide with a request from another wireless device for the second system information. The processor may send the request for the second system information using the determined factor. 1. A method of managing communication with a base station by a processor of a wireless device , comprising:receiving, from the base station, a system information (SI) change indication in first SI;determining, from the SI change indication in the first SI, scheduling information of second SI;determining a factor that a request for the second SI will collide with a request from another wireless device for the second SI; andsending the request for the second SI using the determined factor.2. The method of claim 1 , wherein the first SI comprises one or more elements of a System Information Block 1 (SIB1) message.3. The method of claim 1 , wherein the first SI comprises one or more elements of a Master Information Block (MIB) message.4. The method of claim 1 , further comprising determining whether the second SI is on-demand SI based on the first SI.5. The method of claim 4 , wherein determining the factor that a request for the second SI will collide with a request from another wireless device for the second SI comprises determining a factor that a request for the second SI will collide with a request from another wireless device for the second SI in response to determining that the second SI is on-demand SI.6. The method of claim 1 , wherein ...

PRIORITIZING FREQUENCIES IN EMBMS MULTI-FREQUENCY DEPLOYMENT DURING RLF/OOS

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a UE. The UE receives, from a serving cell, system information including a plurality of SAIs. The UE determines an interest in receiving an MBMS service from at least one cell on one or more candidate frequencies based on the received SAIs. The UE determines that the UE has encountered one of an RLF or an OOS on the serving cell. The UE prioritizes network reestablishment on the one or more frequencies that carry the MBMS service the UE is interested in receiving upon determining the UE encountered the one of the RLF or the OOS. 1. A method of wireless communication of a user equipment (UE) , comprising:receiving, from a serving cell, system information including a plurality of service area identities (SAIs);determining an interest in receiving a Multimedia Broadcast Multicast Service (MBMS) service from at least one cell on one or more candidate frequencies based on the received SAIs;determining that the UE has encountered one of a radio link failure (RLF) or an out of service (OOS) on the serving cell; andprioritizing network reestablishment on the one or more frequencies that carry the MBMS service the UE is interested in receiving upon determining the UE encountered the one of the RLF or the OOS.2. The method of claim 1 , further comprising camping on the serving cell prior to receiving the system information from the serving cell.315. The method of claim 1 , wherein the system information is received in a system information block .4. The method of claim 1 , further comprising:scanning for a cell of the at least one cell on a candidate frequency of the one or more candidate frequencies;determining whether the signal quality from the cell is greater than a threshold; andcamping on the cell upon determining that the signal quality from the cell is greater than the threshold.5. The method of claim 4 , wherein the UE determines that the UE encountered ...

Techniques for handover cell selection procedures in poor radio conditions

A system and method of performing a handover include detecting an out of sync event while being connected to a current cell, determining whether a measurement report time-to-trigger signal is active, sending, in response to the detection of the out of sync even and the measurement report time-to-trigger signal being active, a first new measurement report and a first special cause flag prior to a next scheduled measurement report to the communication network, receiving a first list of one or more neighboring cells suitable for a handover, identifying a first neighboring cell from the first list for the handover, and attempting to perform the handover from the current cell to the first neighboring cell.

METHOD OF ENHANCING USER EXPERIENCE BY USING SYSTEM INFORMATION IN LTE EMBMS

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus receives a request to receive a Multimedia Broadcast Multicast Service (MBMS) service associated with a service area identity (SAI) and a second frequency. The apparatus performs inter-frequency cell reselection from a first cell transmitting at a first frequency to a second cell transmitting at the second frequency, the second cell being an inter-frequency neighbor cell to the first cell. The apparatus receives system information from the second cell. The apparatus determines that the second cell transmitting at the second frequency is unassociated with the SAI based on the received system information. The apparatus blacklists the SAI on the second frequency in a blacklist for at least a period of time upon determining that the second cell is unassociated with the SAI. 1. A method of wireless communication , comprising:receiving a request to receive a Multimedia Broadcast Multicast Service (MBMS) service associated with a service area identity (SAI) and a second frequency;performing inter-frequency cell reselection from a first cell transmitting at a first frequency to a second cell transmitting at the second frequency, the second cell being an inter-frequency neighbor cell to the first cell;receiving system information from the second cell;determining that the second cell transmitting at the second frequency is unassociated with the SAI based on the received system information; andblacklisting the SAI on the second frequency in a blacklist for at least a period of time upon determining that the second cell is unassociated with the SAI.2. The method of claim 1 , further comprising:performing inter-frequency cell reselection from the second cell transmitting at the second frequency to the first cell transmitting at the first frequency based on a mobility of a user equipment (UE) and signal qualities of the first and second cells; andreporting an intra- ...

Methods for txpool selection for lte-d code transmission

In device-to-device (D2D) communication in a licensed spectrum, selection of a transmit pool and distribution of codes to be transmitted to the transmit pools for more efficient transmission is desired, for a given period. The apparatus may a user equipment (UE) for D2D communication in a licensed spectrum. The UE sets a discovery epoch to a shortest discovery period among discovery periods of a plurality of transmit resource pools, each transmit resource pool of the plurality of transmit resource pools associated with a respective frequency. The UE estimates a channel utilization of each transmit resource pool of the plurality of transmit resource pools based on one or more previous transmissions on each transmit resource pool of the plurality of transmit resource pools. The UE selects a transmit resource pool among the plurality of transmit resource pools for a D2D transmission within the discovery epoch based on the estimated channel utilizations.

CONCURRENT DECODING OF ONE OR MORE SYSTEM INFORMATION BLOCKS (SIBS)

Certain aspects relate to methods and apparatus for obtaining system information by an apparatus comprising concurrently maintaining a first buffer for combining multiple transmissions of at least a first type of system information block (SIB) message across different system information (SI) message windows and a second buffer for combining multiple transmissions of at least a second type of SIB message within an SI window, and decoding at least first and second types of SIB messages based on contents in the first and second buffers. 1. A method for obtaining system information by an apparatus comprising:concurrently maintaining a first buffer for combining multiple transmissions of at least a first type of system information block (SIB) message across different system information (SI) message windows and a second buffer for combining multiple transmissions of at least a second type of SIB message within an SI window; anddecoding at least first and second types of SIB messages based on contents in the first and second buffers.2. The method of claim 1 , wherein the at least a first type of SIB message includes the second type of SIB message.3. The method of claim 1 , further comprising:terminating combination of multiple transmissions of the at least a first type of SIB message across different SI message windows if one or more conditions are met.4. The method of claim 3 , wherein the one or more conditions comprise at least one of:successful decoding of a particular type of SIB message;expiration of a SIB modification period; orfailure to decode a SIB message within a given time period.5. The method of further comprising:maintaining a list indicating one or more SIB message types considered mandatory; anddeclaring a SIB decoding error after failing to decode a particular type of SIB message if the particular type of SIB message is indicated as mandatory based on the list.6. The method of claim 5 , wherein the one or more SIB message types considered mandatory depend ...

FREQUENCY DETERMINATION FOR DEVICE-TO-DEVICE TRANSMISSIONS AND RECEPTIONS

A method, an apparatus, and a computer-readable medium for wireless communication are provided. The apparatus selects a serving cell for connection to a network. The apparatus performs a search for a frequency band on a neighbor cell for use in device-to-device communications. The apparatus performs the device-to-device communications using pre-configured resources associated with the frequency band when the search for the frequency band on the neighbor cell fails. The apparatus performs the device-to-device communications using resources associated with the frequency band of the neighbor cell when the search for the frequency band on the neighbor cell is successful. 1. A method of wireless communication , comprising:selecting a serving cell for connection to a network;performing a search for a frequency band on a neighbor cell for use in device-to-device communications;performing the device-to-device communications using pre-configured resources associated with the frequency band when the search for the frequency band on the neighbor cell fails; andperforming the device-to-device communications using resources associated with the frequency band of the neighbor cell when the search for the frequency band on the neighbor cell is successful.2. The method of claim 1 , wherein the device-to-device communications are further performed using a pre-configured offset timing when the search for the frequency band on the neighbor cell fails.3. The method of claim 1 , further comprising:determining the resources associated with the frequency band of the neighbor cell using a system information block (SIB) received from the neighbor cell, wherein the system information block is received in an overhead message from the neighbor cell;decoding the SIB to determine if system information has changed; anddecoding at least one additional SIB when it is determined that the system information has changed.4. The method of claim 3 , further comprising:performing device-to-device ...

TECHNIQUES FOR REDUCING NETWORK CONGESTION IN A WIRELESS COMMUNICATIONS SYSTEM

Methods, systems, and devices are described for reducing congestion in a wireless communications system. A second connection failure is detected, and a difference between a timestamp of the second connection failure and a timestamp of a first connection failure is calculated. Upon determining that the difference satisfies a first time threshold, information relating to one or more previous connection failures is cleared. A time period is identified. A number of connection failures from a cell that occur during the time period is identified. A determination is made as to whether the number of connection failures satisfies a threshold. Upon determining that the number of connection failures satisfies the threshold, a future connection request may be withheld for a time period. 1. A method of wireless communication , comprising:detecting a second connection failure at a user equipment (UE);calculating a first difference between a timestamp of the second connection failure and a previously stored timestamp of a first connection failure; andmodifying stored information at the UE relating to at least the first connection failure based at least in part on a determination that the first difference satisfies a first time threshold.2. The method of claim 1 , wherein modifying the stored information relating to at least the first connection failure comprises at least one of clearing the stored information relating to one or more previous connection failures or adjusting a weight associated with the one or more previous connection failures claim 1 , wherein the one or more previous connection failures includes the first connection failure.3. The method of claim 2 , wherein clearing information relating to the one or more previous connection failures comprises:resetting a counter of connection failures.4. The method of claim 2 , wherein clearing the stored information relating to the one or more previous connection failures comprises:clearing stored timestamps of the one or more ...

METHODS AND APPARATUS FOR EMPLOYING DIFFERENT CAPABILITIES FOR DIFFERENT DUPLEXING MODES

Certain aspects of the present disclosure propose techniques for independently signaling features supported by a user equipment (UE) in different duplexing modes. The UE may be capable of communicating in frequency division duplexing (FDD) and time division duplexing (TDD) modes. The UE may obtain a FDD-specific feature group indicators (FGIs) set and a TDD-specific FGIs set, and signal at least one of the FDD-specific FGIs set or TDD-specific FGIs set. In addition, the UE may take one or more actions to reduce the likelihood of transitioning to a mode of operation that is different from its current mode of operation. 1. A method for wireless communications by a user equipment (UE) capable of communicating in frequency division duplexing (FDD) and time division duplexing (TDD) modes , comprising:obtaining FDD-specific capabilities and TDD-specific capabilities; andsending a request to a base station to perform detach and re-attach procedures when changing from a first mode of operation to a second mode of operation, wherein the FDD-specific capabilities or the TDD-specific capabilities, corresponding to the second mode of operation, are transmitted to the base station during the re-attach procedure.2. The method of claim 1 , further comprising:performing the detach and re-attach procedures when changing from the first mode of operation to the second mode of operation.3. The method of claim 1 , wherein the first mode of operation is FDD and the second mode of operation is TDD claim 1 , wherein the TDD-specific capabilities are transmitted to the base station during the re-attach procedure.4. The method of claim 1 , wherein FDD-specific capabilities comprise FDD-specific Feature group indicators (FGIs) set and TDD-specific capabilities comprise TDD-specific FGIs Set.5. An apparatus for wireless communications capable of communicating in frequency division duplexing (FDD) and time division duplexing (TDD) modes claim 1 , comprising:means for obtaining FDD-specific ...

METHODS AND APPARATUS FOR USING ENHANCEMENTS FOR DIVERSE DATA APPLICATIONS (EDDA)/POWER PREFERENCE INDICATION (PPI)

Aspects of the present disclosure provide apparatus and techniques for determining one or more operating conditions related to a UE and transmitting a power preference indication (PPI) to an cNB based, at least in part, on the determination. The one or more operating conditions may be related to at least one of a throughput, battery configuration, application data history, or temperature of the UE. In response to the determination, the UE may transmit one of a PPI that is set to or indicates normal power mode or a PPI that is set to low power mode, for example. Additionally, the UE may decide whether or not to delay sending a scheduling request (SR) to the eNB based, at least in part, on the determination. 1. A method for wireless communication by a user equipment (UE) , comprising:determining one or more operating conditions related to at least one of a throughput, battery configuration, application data history, or temperature of the UE; andtransmitting a power preference indication (PPI) to an evolved Node B (eNB) based, at least in part, on the determination.2. The method of claim 1 , wherein the at least one of the one or more operating conditions are known by the eNB and the UE.3. The method of claim 1 , wherein the at least one of the one or more operating conditions are determined by the UE.4. The method of claim 1 , wherein the one or more operating conditions are based on at least one of: user activity of the UE or data transfer between the UE and the eNB.5. The method of claim 1 ,wherein determining the one or more operating conditions comprises determining at least one of: a throughput of the UE passes a first threshold, an average number of scheduled resource blocks (RBs) per subframe of the UE passes a second threshold, a percentage of time the UE is scheduled passes a third threshold, application data history of the UE passes a fourth threshold, the UE is coupled to a power source and not equipped with a battery, an uplink transmission buffer size of ...

Addressing radio link failures in wireless communication systems

Methods and apparatus for enhanced radio resource control (RRC) reestablishment in a communication system include addressing repeated radio link failures (RLFs). For example, the methods and apparatus include incrementing a counter value associated with a first cell based on a detection of a RLF by a user equipment (UE) in a RRC connected state with the first cell. The methods and apparatus further include determining that the counter value meets or exceeds a first barring threshold value within a cell barring evaluation time duration. Additionally, the methods and apparatus include prohibiting the UE from performing an RRC reestablishment procedure with the first cell for a first barring time duration.

METHODS FOR HANDLING OF USER EQUIPMENT PAGES IN RADIO RESOURCE CONTROL CONNECTED MODE

Certain aspects of the present methods for handling user equipment (UE) pages in a Radio Resource Control (RRC) connected mode of the UE. Aspects of the present disclosure may effectively scale a point (in time) until which the UE shall handle pages in the RRC connected mode, and after which the UE detects out-of-sync with the NW, which may allow the UE to performs procedures that may help enhance user experience. 1. A method for wireless communications by a user equipment (UE) , comprising:processing one or more page messages from a network while the UE is in a transient state between an idle mode and a connected mode;processing one or more other page messages from the network until a specific moment in the connected mode;determining the UE is out-of-sync with the network if a page message is received, after the specific moment, while the UE is in the connected mode; andtaking action to transition from the connected mode to the idle mode after detecting the UE is out-of-sync with the network.2. The method of claim 1 , wherein:the specific moment corresponds to a moment the UE reaches a steady state in the connected mode.3. The method of claim 1 , further comprising:moving from the transient state to the connected mode; andwherein the specific moment is defined as a later of a Signaling Radio Bearer 2 (SRB2) associated with the UE coming up or a first time period into the connected mode having elapsed.4. The method of claim 3 , wherein the first time period comprises a defined number of Discontinuous Reception (DRX) cycles or a static period of up to N milliseconds.5. The method of claim 3 , further comprising:implicitly releasing a connection with the network, if a data-inactivity time duration associated meets or exceeds a second time period different than the first time period.6. The method of claim 5 , wherein the second time period comprises a defined number of Discontinuous Reception (DRX) cycles or a static period of up to N milliseconds.7. The method of ...

Received signal strength indicator (rssi) realizing cellular radio access technology type measurements in a wireless local area network domain

Certain aspects of the present disclosure relate to methods and apparatus for measurement reporting. The method comprises receiving, via a first radio access technology (RAT), a first request for one or more measurement reports, translating the first request to a group of second requests for measurement associated with at least a second RAT, and transmitting at least one of the second requests to initiate gathering measurements associated with the second RAT for use in generating the one or more measurement reports in response to the first request.

PRUNING A CANDIDATE CELL LIST FOR AN IDLE MODE UE AND A CONNECTED MODE UE

A method for determining candidate radio access technology (RAT) layers includes selecting one or more initial candidate RAT layer, for each configured RAT type of a UE, for a target RAT candidate list. The target can be for redirection or handover, for example. Each initial candidate RAT layer is selected regardless of network indicated RAT priorities and measurement object IDs. The method also includes selecting additional candidate RAT layers, for the list, based on the network indicated RAT priorities or the measurement object IDs. The method may be specified for when a UE is in a connected mode or an idle mode. 1. A method for determining candidate radio access technology (RAT) layers , comprising:selecting at least one initial candidate RAT layer, for each configured RAT type of a user equipment (UE), for a target RAT candidate list, each initial candidate RAT layer being selected regardless of network indicated RAT priorities and measurement object identifiers (IDs); andselecting additional candidate RAT layers, for the list, based at least in part on the network indicated RAT priorities or the measurement object IDs.2. The method of claim 1 , in which the at least one initial candidate RAT layer is selected based at least in part on a preference of a network operator that is servicing the UE.3. The method of claim 1 , in which a first initial candidate RAT layer is an LTE layer claim 1 , a second initial candidate RAT layer is a TD-SCDMA layer claim 1 , and third initial candidate RAT layer is a GSM layer.4. The method of claim 3 , in which the TD-SCDMA layer is associated with a plurality of TD-SCDMA frequencies.5. The method of claim 1 , in which the additional candidate RAT layers are selected based at least in part on a number of supported layers for the target RAT candidate list.6. The method of claim 5 , in which the number of supported layers for the target RAT candidate list is at least eight and a number of supported frequencies for the target RAT ...

INTERLEAVED DEEP AND SHALLOW SEARCH DURING FREQUENCY SCAN FOR RADIO RESOURCES

A cell acquisition technique for 5G and other RATs is provided in which shallow scans are interleaved with deep scans. In each shallow scan, a UE determines whether a synchronization signal is received with sufficient signal quality over one period for the synchronization signal. In each deep scan, the UE determines whether the synchronization signal is received with sufficient signal quality over multiple periods for the synchronization signal. 1. A method of wireless communication , comprising:performing a first shallow scan at a user equipment over a frequency band by determining at each frequency of a synchronization raster for the frequency band whether a synchronization signal is received over a repetition period for the synchronization signal with a first signal quality to permit synchronization with a base station; andin response to the first shallow scan not being successful, performing a deep scan over the frequency band by determining at each frequency of the synchronization raster for the frequency band whether the synchronization signal is received over a series of repetition periods for the synchronization signal with a second sufficient signal quality to permit synchronization with the base station.2. The method of claim 1 , further comprising:performing a second shallow scan at the user equipment by determining at each frequency of the synchronization raster whether the synchronization signal is received over the repetition period for the synchronization signal with the first sufficient signal quality to permit synchronization with the base station.3. The method of claim 2 , wherein the second shallow scan is responsive to the deep scan not being successful.4. The method of claim 2 , wherein the second shallow scan is subsequent to the first shallow scan claim 2 , and wherein the deep scan is further responsive to the second shallow scan not being successful.5. The method of claim 1 , wherein the synchronization signal is a synchronization signal ...

EVOLVED MULTIMEDIA BROADCAST MULTICAST SERVICE (eMBMS) INTER-FREQUENCY CELL RESELECTION

A method for inter-frequency cell reselection by a wireless communication device is described. The wireless communication device camps on a serving cell. An evolved multimedia broadcast multicast service (eMBMS) service provided by a neighbor cell is discovered. Inter-frequency parameters of the neighbor cell are measured. It is determined whether to perform an inter-frequency cell reselection based on one or more inter-frequency cell reselection factors. An inter-frequency cell reselection to the neighbor cell is performed. 1. A wireless communication device , comprising:means for camping on a serving cell;means for discovering an evolved multimedia broadcast multicast service provided by a neighbor cell;means for measuring inter-frequency parameters of the neighbor cell;means for determining whether to perform an inter-frequency cell reselection based on one or more inter-frequency cell reselection factors; andmeans for performing an inter-frequency cell reselection to the neighbor cell.2. The wireless communication device of claim 1 , wherein determining whether to perform an inter-frequency cell reselection is independent of a speed of the wireless communication device.3. The wireless communication device of claim 1 , wherein the inter-frequency parameters comprise at least one of a reference signal received quality measurement and a reference signal received power measurement.4. The wireless communication device of claim 1 , wherein the means for determining whether to perform an inter-frequency cell reselection comprise means for determining whether the wireless communication device has camped on the serving cell for a blocking period claim 1 , and wherein the blocking period is set to a value less than one second.5. The wireless communication device of claim 1 , wherein an inter-frequency cell reselection factor comprises using a reduced Treselection time based on whether a user chooses the evolved multimedia broadcast multicast service.6. The wireless ...

FLEXIBLE EXTENDED SIGNALING

Certain aspects of the present disclosure provide methods and apparatus for implementing extended signaling in wireless communications. An example method generally includes communicating with a second apparatus using one or more communications channels defined by a radio access technology (RAT) standard, and communicating with the second apparatus via extended signaling not defined by the RAT standard. 1. A method of wireless communications by a first apparatus , comprising:communicating with a second apparatus using one or more communications channels defined by a radio access technology (RAT) standard; andcommunicating with the second apparatus via extended signaling not defined by the RAT standard.2. The method of claim 1 , wherein communicating with the second apparatus via extended signaling comprises at least one of:communicating using one or more extended messages not defined by the RAT standard, wherein the one or more extended messages are associated with one or more standard messages defined by the RAT standard and used in addition to or in lieu of the associated one or more standard messages;communicating using one or more extended messages not associated with associated standard messages defined by the RAT standard; orcommunicating using one or more extended procedures, wherein the one or more extended procedures are associated with one or more standard procedures defined by the RAT standard and used in addition to or in lieu of the associated one or more standard procedures.3. The method of claim 2 , wherein communicating using one or more extended messages in addition to the associated one or more standard messages comprises encapsulating the one or more extended messages in the one or more standard messages.4. The method of claim 1 , wherein communicating with the second apparatus via extended signaling comprises:encapsulating data regarding a first RAT, in a message sent on a second RAT associated with the RAT standard.5. The method of claim 1 , ...

EMBMS AUDIO PACKETS PROTECTION IN DUAL-SIM DUAL-STANDBY OR SRLTE MOBILE DEVICE

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus determines a timing of each of one or more audio transmissions of one or more audio segments through Multimedia Broadcast Multicast Service (MBMS) streaming via a first radio access technology (RAT), where the MBMS streaming includes the one or more audio segments and one or more video segments. The apparatus refrains from tuning away from the first RAT to a second RAT during at least one audio transmission of the one or more audio transmissions, the second RAT being different than the first RAT. 1. A method for wireless communication of a user equipment (UE) , comprising:determining a timing of each of one or more audio transmissions of one or more audio segments through Multimedia Broadcast Multicast Service (MBMS) streaming via a first radio access technology (RAT), wherein the MBMS streaming includes the one or more audio segments and one or more video segments; andrefraining from tuning away from the first RAT to a second RAT during at least one audio transmission of the one or more audio transmissions, the second RAT being different than the first RAT.2. The method of claim 1 , further comprising:determining a timing of a monitoring window to tune to the second RAT; anddetermining whether the timing of the monitoring window to tune to the second RAT overlaps with the timing of the at least one audio transmission,wherein the UE refrains from tuning away from the first RAT to the second RAT when the timing of the monitoring window to tune to the second RAT overlaps with the timing of the at least one audio transmission.3. The method of claim 2 , wherein the monitoring window is a paging window.4. The method of claim 1 , wherein the determining the timing of each of the one or more audio transmissions comprises:determining a start time of a transmission of a data segment based on a file delivery over unidirectional transport (FLUTE) header of an Internet ...

UE ASSISTED CDRX FALLBACK

Apparatus, methods, and computer program products for DRX adjustment are provided. An example method includes receiving, from a base station, a discontinuous reception (DRX) configuration for the UE based on one or more DRX preferences. The example method further includes adjusting one or more parameters of the DRX configuration in response to a trigger at the UE. The example method further includes transmitting assistance information to the base station, the assistance information including the one or more parameters adjusted by the UE. 1. An apparatus for wireless communication at a user equipment (UE) , comprising:a memory; and receive, from a base station, a discontinuous reception (DRX) configuration for the UE based on one or more DRX preferences;', 'adjust one or more parameters of the DRX configuration in response to a trigger at the UE; and', 'transmit assistance information to the base station, the assistance information including the one or more parameters adjusted by the UE., 'at least one processor coupled to the memory and configured to2. The apparatus of claim 1 , wherein the memory and the at least one processor are further configured to:receive, from a base station, a prior DRX configuration from the base station; andtransmit prior assistance information to the base station indicating the one or more DRX preferences, wherein the DRX configuration is received from the base station in response to the prior assistance information.3. The apparatus of claim 1 , wherein to adjust the one or more parameters of the DRX claim 1 , the memory and the at least one processor are further configured to reduce or increase a duration cycle of the DRX configuration.4. The apparatus of claim 3 , wherein to reduce the duration cycle claim 3 , the memory and the at least one processor are further configured to:reduce the duration cycle by a step size, the step size corresponding to one or more cycle length indices;stop additional reduction of the duration cycle if an ...

Common channel configuration in new radio inactive state

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a radio resource control (RRC) resume message, associated with transitioning the UE from an inactive state to a connected state. The UE may configure, based at least in part on receiving the RRC resume message, the UE with a serving cell common configuration, associated with a serving cell of the UE, received in a system information block (SIB) associated with the serving cell. Numerous other aspects are provided.

Evolved Multimedia Broadcast Multicast Service (eMBMS) Streaming Loss Control In A Radio Sharing Concurrent Radio Access Technology (RAT) Capable Mobile Device

Embodiments include methods implemented by a processor of a mobile communication device for managing tune-aways by a radio frequency resource supporting a first subscription to support a second subscription. The processor may determine a data loss ratio of the data of a media file that is lost in transmission to the mobile communication device. The processor may compare the data loss ratio of the data to a first data loss ratio threshold and a second data loss ratio threshold, and the processor may block a tune-away event of the radio frequency resource from the first subscription to the second subscription in response to determining that the data loss ratio of the data is greater than the first data loss ratio threshold and less than the second data loss ratio threshold. 1. A method implemented on a mobile communication device for managing tune-aways by a radio frequency (RF) resource supporting a first subscription to support a second subscription , comprising:determining a data loss ratio based on data that is lost in transmission to the mobile communication device via the first subscription;comparing the data loss ratio of the data to a first data loss ratio threshold and a second data loss ratio threshold; andblocking a tune-away of the RF resource from the first subscription to the second subscription in response to determining that the data loss ratio of the data is greater than the first data loss ratio threshold and less than the second data loss ratio threshold.2. The method of claim 1 , further comprising:permitting the tune-away in response to determining that the data loss ratio of the data is less than the first data loss ratio threshold.3. The method of claim 1 , further comprising:permitting the tune-away in response to determining that the data loss ratio of the data is greater than the second data loss ratio threshold.4. The method of claim 1 , wherein determining a data loss ratio based on data that is lost in transmission to the mobile ...

COMMON CHANNEL CONFIGURATION IN NEW RADIO INACTIVE STATE

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a radio resource control (RRC) resume message, associated with transitioning the UE from an inactive state to a connected state. The UE may configure, based at least in part on receiving the RRC resume message, the UE with a serving cell common configuration, associated with a serving cell of the UE, received in a system information block (SIB) associated with the serving cell. Numerous other aspects are provided. 1. A method of wireless communication performed by a user equipment (UE) , comprising:obtaining an access stratum (AS) context comprising a first cell common configuration associated with a serving cell of the UE in a connected state;transitioning to an inactive state;receiving a system information block (SIB) comprising a second cell common configuration for a second cell;receiving a radio resource control (RRC) resume message, associated with transitioning the UE from the inactive state to the connected state, separately from receiving the SIB;configuring the UE with the second cell common configuration received in the SIB; andtransitioning to the connected state based at least in part on a configuration comprising the second cell common configuration.2. The method of claim 1 , wherein the UE is configured with the second cell common configuration received in the SIB instead of using the first cell common configuration.3. The method of claim 1 , wherein the SIB is received based at least in part on UE mobility that causes the UE to reselect to the second cell.4. The method of claim 1 , wherein the SIB is a SIB1 associated with the second cell.5. The method of claim 1 , wherein the RRC resume message is received in connection with a RRC resume request being sent by the UE claim 1 , andwherein the RRC resume request is sent by the UE based at least in part on detection of a trigger to transition the UE from the inactive state ...

SIGNALING OF DELTA CONFIGURATION FOR HANDOVER

A delta configuration is signaled for handover of a wireless communication device (e.g., a user equipment, UE) from a first form of connectivity to a second form of connectivity. For example, a UE with master cell group (MCG) connectivity may be handed-over to multiple radio access technology-dual connectivity (MR-DC). In some examples, a UE with standalone (SA) connectivity may be handed-over to non-standalone (NSA) connectivity (e.g., dual connectivity). In conjunction with this handover the UE may be signaled as to whether the UE is to reuse a configuration from the first connectivity mode during the second connectivity mode. 1. A method for wireless communication at a wireless communication device , comprising:using a source configuration for master cell group (MCG) connectivity;receiving a message associated with handover of the wireless communication device from the MCG connectivity to multiple radio access technology-dual connectivity (MR-DC);determining that the message does not include a full configuration indication; andconfiguring a secondary cell group (SCG) configuration for the MR-DC by reusing the source configuration as a result of the determining that the message does not include the full configuration indication.2. The method of claim 1 , wherein the SCG configuration comprises at least one of: a service data adaptation protocol (SDAP) configuration of a data radio bearer (DRB) claim 1 , a packet data convergence protocol (PDCP) configuration of a DRB claim 1 , a physical layer configuration claim 1 , a medium access control (MAC) layer configuration claim 1 , a radio link control (RLC) configuration of a DRB claim 1 , or any combination thereof.3. The method of claim 1 , further comprising:abstaining from reusing a third configuration associated with the MCG connectivity for the source configuration as a result of the determining that the message does not include the full configuration indication.4. The method of claim 3 , wherein the third ...

APPARATUS AND METHOD TO EXPEDITE AN INTER RADIO ACCESS TECHNOLOGY RESELECTION

Various aspects directed towards expediting an inter-RAT (radio access technology) reselection are disclosed. A user equipment (UE) operates according to a first RAT and utilizes an evolved multimedia broadcast multicast service (eMBMS) via the first RAT. A second RAT, which is unable to support eMBMS, is selected such that operation of the UE transitions from the first RAT to the second RAT. A reselection of the first RAT is then expedited by modifying at least one of a dormancy timer value initialization, a reselection timer value initialization, or a frequency priority. 1. A method of wireless communication comprising:operating a user equipment (UE) according to a first radio access technology (RAT), wherein the operating comprises utilizing an evolved multimedia broadcast multicast service (eMBMS) via the first RAT;selecting a second RAT, wherein operation of the UE transitions from the first RAT to the second RAT, and wherein the second RAT is unable to support eMBMS; andexpediting a reselection of the first RAT, the expediting comprising modifying at least one of a dormancy timer value initialization, a reselection timer value initialization, or a frequency priority.2. The method of claim 1 , wherein the expediting is triggered upon detecting whether eMBMS middleware is currently enabled on the UE.3. The method of claim 1 , wherein the expediting is triggered upon detecting whether at least one eMBMS application is currently executing on the UE.4. The method of claim 1 , wherein the first RAT is a long term evolution (LTE) system.5. The method of claim 1 , wherein the second RAT is a high rate packet data (HRPD) system.6. The method of claim 1 , wherein the second RAT is a 1xRTT system.7. The method of claim 1 , wherein the dormancy timer value initialization is modified to a reduced value.8. The method of claim 1 , wherein the reselection timer value initialization is modified to a reduced value.9. The method of claim 1 , wherein the frequency priority is ...

FLEXIBLE EXTENDED SIGNALING

Certain aspects of the present disclosure provide methods and apparatus for implementing extended signaling in wireless communications. An example method generally includes generally includes receiving, from a base station, an indication of an ability to support communications using extended signaling not defined by a radio access technology (RAT) standard and a grant of resources sized to accommodate extended signaling from the UE, transmitting, to the base station, an indication that the UE supports communications with the base station using extended signaling, and communicating with the base station using extended signaling. Numerous other aspects are provided. 1. A method for wireless communications by a user equipment (UE) , comprising:receiving, from a base station, an indication of an ability to support communications using extended signaling not defined by a radio access technology (RAT) standard and a grant of resources sized to accommodate extended signaling from the UE;transmitting, to the base station, an indication that the UE supports communications with the base station using extended signaling; andcommunicating with the base station using extended signaling.2. The method of claim 1 , wherein the indication of an ability to support communications using extended signaling comprises a signature carried in one or more padding bits of a message received from the base station.3. The method of claim 2 , wherein the message comprises a system information block (SIB) broadcast by the base station.4. The method of claim 1 , wherein the indication that the UE supports communications with the base station using extended signaling comprises a message carried on a signaling radio bearer used for the extended signaling.5. The method of claim 1 , further comprising:receiving, from the base station, a request for the indication that the UE supports communications with the base station using extended signaling.6. The method of claim 5 , wherein the indication that the ...

EARLY TERMINATION IN EMBMS RECEPTION

Early termination of enhanced multimedia broadcast-multicast service (eMBMS) is discussed. Forward error correction (FEC) redundancy data is added to broadcast data, such that if enough of the data symbols are successfully received, the data object may be reassembled before the entire transmission has been received. The aspects involve an application processor and modem processor, which may either be integrated into the same integrated circuit or separate components. The application processor obtains a total number of source symbols and a redundancy level for a data object to be received from the eMBMS, receives the successfully received data symbols from the modem processor, and then determines whether the number of successfully received data symbols exceeds a threshold for reassembling the transmitted data object. If so, then the application processor and/or the modem processor can shut down until the next broadcast. 1. A method of wireless communication , comprising:obtaining, by an application processor, a total number of source symbols and a redundancy level for a data object to be received from a broadcast-multicast service;receiving a plurality of received data symbols of the data object from the broadcast-multicast service via a modem processor associated with the application processor;determining, by the application processor, that a number of the plurality of received data symbols exceeds a threshold data level greater than the total number of source symbols and less than a total number of data symbols for transmission of the data object, wherein the total number of data symbols comprises the total number of source symbols and a total number of redundancy symbols determined by the redundancy level; andsignaling the modem processor to cease forwarding further received data symbols for the data object received from the broadcast-multicast service.2. The method of claim 1 , wherein the threshold data level comprises the total number of source symbols plus a ...

FREQUENCY PRUNING ENHANCEMENT FOR WIRELESS MEASUREMENTS

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus selects an LTE serving cell and a non-LTE serving cell. Measurement objects corresponding thereto are identified based on a review of broadcasted system information and historical information relating to prior serving cells. The apparatus identifies measurement objects from other radio access technologies (RATs) (WCDMA, CDMA, GSM). The remaining measurement objects may be identified based on measurement identifiers. The apparatus performs wireless measurements based on the selected serving cells and identified measurement objects. The resulting measurements are transmitted to the network for use in determining channel conditions. 1. A method of wireless communication , comprising:initiating pruning of one or more candidate frequencies relating to a possible cell reconfiguration, comprising selecting at least one wireless serving cell, and selecting, based on a data source, at least one wireless non-serving cell, the data source comprising broadcasted system information, and historical information for at least one prior serving cell;identifying a plurality of measurement objects corresponding to the selected at least one wireless serving and non-serving cells; andperforming wireless measurements based on the selected at least one wireless serving and non-serving cells and the identified measurement objects to produce at least one measured value.2. The method of claim 1 , further comprising:transmitting the at least one measured value to a network element for use in determining channel conditions associated with the selected at least one wireless serving and non-serving cells.3. The method of claim 1 , wherein the wireless serving cell comprises a Long Term Evolution (LTE) cell claim 1 , andwherein the selecting the at least one wireless serving and non-serving cells, the identifying, the performing and the transmitting are performed by a user equipment (UE) ...

APPARATUS AND METHOD FOR PERFORMING INTER-RADIO ACCESS TECHNOLOGY CELL MEASUREMENT

Methods and apparatuses are provided for managing a list of target frequencies for cell measurement. A set of available target frequencies for performing cell measurements from a serving cell can be received, and at least a subset of the set of available target frequencies can be prioritized based at least in part on a list of a plurality of target frequencies stored in a reselection database for the serving cell. Cell measurements can be performed based at least in part on at least the subset of the set of available target frequencies as prioritized. Additionally, the plurality of target frequencies in the reselection database may correspond to target frequencies to which successful reselection has occurred from the serving cell. 1. A method of managing a list of target frequencies for cell measurement , comprising:receiving a set of available target frequencies for performing cell measurements from a serving cell;prioritizing at least a subset of the set of available target frequencies based at least in part on a list of a plurality of target frequencies stored in a reselection database for the serving cell; andperforming cell measurements based at least in part on at least the subset of the set of available target frequencies as prioritized,wherein the plurality of target frequencies in the reselection database correspond to target frequencies to which successful reselection has occurred from the serving cell.2. The method of claim 1 , further comprising:performing reselection to a cell operating on a target frequency in the subset of the set of available target frequencies; andincrementing a counter for the target frequency in the list of the plurality of target frequencies in the reselection database.3. The method of claim 2 , further comprising adding the target frequency to the list of the plurality of target frequencies stored in the reselection database for the serving cell.4. The method of claim 2 , further comprising clearing at least a portion of the ...

OPTIMIZED LTE MIB/SIB COLLECTION LOGIC AFTER LTE HANDOVER

A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus performs a handover from a source cell to a target cell. The apparatus determines a decoding timer value based on network conditions. The apparatus attempts to decode a MIB or a SIB from the target cell within a time after the handover corresponding to the decoding timer value. The apparatus triggers a radio link failure (RLF) when the MIB or the SIB is not decoded within the time corresponding to the decoding timer value. 1. A method of wireless communication by a user equipment , comprising:performing a handover from a source cell to a target cell;determining a decoding timer value based on network conditions;attempting to decode a master information block (MIB) or a system information block (SIB) from the target cell within a time after the handover corresponding to the decoding timer value; andtriggering a radio link failure (RLF) when the MIB or the SIB is not decoded within the time corresponding to the decoding timer value.2. The method of claim 1 , further comprising determining RF conditions claim 1 , wherein the determined decoding timer value corresponds to the determined RF conditions.3. The method of claim 1 , wherein determining the decoding timer value comprises receiving timer value information in a message from an eNB of the source cell or in a System Information Broadcast message.4. The method of claim 3 , further comprising:failing to decode the MIB or the SIB; andincreasing the decoding timer value.5. The method of claim 3 , wherein the decoding timer value corresponds to SIB periodicity.6. The method of claim 1 , further comprising measuring at least one type of downlink radio network temporary identifier based physical downlink shared channel block error rate (DL RNTI based PDSCH BLER) claim 1 ,wherein the determined decoding timer value corresponds to whether the measured at least one type of DL RNTI based PDSCH BLER meets a threshold. ...

ADJUSTING PRIORITY OF MBMS AND FEMTO CELLS

A UE may camp on a femto cell in an idle mode and determine whether the UE has an interest in receiving an MBMS service from an MBMS cell. When the UE has the interest in receiving the MBMS service, the UE adjusts a priority of the MBMS cell on which the MBMS service is provided or a priority of the femto cell such that the priority of the MBMS cell is higher than the priority of the femto cell. Otherwise, the UE refrains from adjusting the priority of the MBMS cell or the priority of the femto cell. 1. A method of wireless communication of a user equipment (UE) , comprising:camping, in an idle mode, on a femto cell;determining whether the UE has an interest in receiving a Multimedia Broadcast Multicast Service (MBMS) service from an MBMS cell;adjusting a priority of the MBMS cell on which the MBMS service is provided or the priority of the femto cell such that the priority of the MBMS cell is higher than the priority of the femto cell when the UE has the interest in receiving the MBMS service; andrefraining from adjusting the priority of the MBMS cell or the priority of the femto cell when the UE does not have the interest in receiving the MBMS service.2. The method of claim 1 , further comprising receiving the MBMS service from the MBMS cell while in a coverage area of the femto cell after determining the UE has an interest in receiving the MBMS service and adjusting the priority.3. The method of claim 1 , wherein when the UE has an interest in receiving the MBMS service claim 1 , the adjusting the priority is further based on whether the MBMS service starts within a threshold time period.4. The method of claim 1 , wherein the determining whether the UE has the interest in receiving the MBMS service comprises:determining that the UE has the interest in receiving the MBMS service when the UE is receiving or is interested in receiving the MBMS service; anddetermining that the UE does not have the interest in receiving the MBMS service when the UE is not receiving ...

ON DEMAND SYSTEM INFORMATION TRIGGERING

Methods, systems, and devices for wireless communication are described. For example, the described techniques provide for efficiently requesting all (or a threshold number of) system information (SI) messages that are on demand in a random access channel (RACH) procedure. In one example, a user equipment (UE) may transmit a request for all (or a threshold number of) SI messages in a radio resource control (RRC) connection request or message 3 RACH transmission even if the UE is configured with the option to request SI messages individually with one RACH resource per SI message. In another example, a UE may transmit a request for all (or a threshold number of) SI messages on an additional resource (e.g., RACH resource or other resource configured by a base station) when the UE is configured with the option to request SI messages individually with one RACH resource per SI message. 1. A method for wireless communications at a user equipment (UE) , comprising:receiving, from a base station, an indication of on demand system information resources comprising a first set of resources associated with a first on demand system information message supported by the base station and a second set of resources associated with a second on demand system information message supported by the base station; andtransmitting a system information request message to the base station in response to the receiving, the system information request message comprising a request for transmission of a plurality of on demand system information messages.2. The method of claim 1 , further comprising:identifying a number of sets of resources associated with on demand system information based at least in part on the indication of on demand system information resources; andtransmitting the system information request message via a random access message 3 based at least in part on the number of sets of resources exceeding a threshold.3. The method of claim 1 , further comprising:transmitting the system ...

REESTABLISHMENT PROCEDURE FOR AN EMERGENCY CALL

Traditional rules that apply to cell selection are overridden to allow cell selection on an acceptable cell, in addition to cell selection on a suitable cell. Once a mobile device acquires service on an acceptable cell, mobile device can inform network of the emergency call in progress or initiation of an emergency call, which allows network to perform necessary actions to support the emergency call during establishment/reestablishment. 1. A method for reestablishment for emergency calls , comprising:accepting a context for a mobile device from a previous serving base station based on admission criteria appropriate for an emergency call.2. The method of claim 1 , further comprising receiving an indication from the previous serving base station claim 1 , wherein the accepting is based on the indication.3. The method of claim 2 , wherein the receiving comprises receiving the indication as part of a handover request message.4. The method of claim 3 , further comprising determining based at least in part on a cause in the handover request message that the requested handover is identified as a handover for the emergency call.5. A wireless communications apparatus claim 3 , comprising:a memory that retains instructions related to receiving admission criteria appropriate for an emergency call and accepting a context for a mobile device from a previous serving base station based on the admission criteria; anda processor, coupled to the memory, configured to execute the instructions retained in the memory.6. The wireless communications apparatus of claim 5 , wherein the memory retains further instructions related to using the admission criteria based on an indication from the previous serving base station.7. The wireless communications apparatus of claim 6 , wherein the memory retains further instructions related to obtaining the indication as part of a handover request message claim 6 , wherein the handover request message indicates handover for the emergency call.8. A ...

REESTABLISHMENT PROCEDURE FOR AN EMERGENCY CALL

Traditional rules that apply to cell selection are overridden to allow cell selection on an acceptable cell, in addition to cell selection on a suitable cell. Once a mobile device acquires service on an acceptable cell, mobile device can inform network of the emergency call in progress or initiation of an emergency call, which allows network to perform necessary actions to support the emergency call during establishment/reestablishment. 1. A method for selection by a serving base station of one or more neighboring cells to be prepared in case of radio link failure affecting a connection serving a mobile device in an emergency call , the method comprising:including in a selection cells that may not admit the mobile device for non-emergency services.2. The method of claim 1 , wherein the including comprises including cells that are not considered as suitable cells by the mobile device.3. A wireless communications apparatus claim 1 , comprising:a memory that retains instructions related to preparing cells in case of radio link failure that affects a connection serving a mobile device in an emergency call, wherein the preparing comprises including cells that may not admit the mobile device for non-emergency services; anda processor, coupled to the memory, configured to execute the instructions retained in the memory.4. The wireless communications apparatus of claim 3 , wherein the instructions related to preparing prepares additional cells that are not considered suitable cells by the mobile device.5. A wireless communications apparatus for selection by a serving base station of one or more neighboring cells to be prepared in case of radio link failure affecting a connection serving a mobile device in an emergency call claim 3 , the apparatus comprising:means for including in a selection cells that may not admit the mobile device for non-emergency services.6. The wireless communications apparatus of claim 5 , wherein the means for including further comprises means for ...

PRIORITIZATION OF CONCURRENT INTER-FREQUENCY/INTER-RAT MEASUREMENT AND EMBMS SERVICE RECEPTION

A method, an apparatus, and a computer-readable medium for wireless communication are provided. The apparatus may be a UE. The UE receives MBMS in an MBMS session from a base station. The UE determines a data receipt metric associated with data received during the MBMS subframes in the MBMS session. A portion of the MBMS subframes coincides with a measurement gap configured for inter-frequency or inter-RAT measurement. The UE determines whether the data receipt metric is in a first relationship with a first threshold. When the data receipt metric is in the first relationship with the first threshold, the UE refrains from receiving the data during at least the portion of the MBMS subframes that coincides with the measurement gap and performs the inter-frequency or inter-RAT measurement during the measurement gap when the data receipt metric is in the first relationship with the first threshold. 1. A method of wireless communication at a user equipment (UE) , comprising:receiving multimedia broadcast multicast service (MBMS) subframes in an MBMS session from a base station;determining a data receipt metric associated with data received during the MBMS subframes in the MBMS session, wherein a portion of the MBMS subframes coincides with a measurement gap configured for inter-frequency or inter-radio access technology (RAT) measurement;determining whether the data receipt metric is in a first relationship with a first threshold;refraining from receiving the data during at least the portion of the MBMS subframes that coincides with the measurement gap based on a determination that the data receipt metric is in the first relationship with the first threshold; andperforming the inter-frequency or inter-RAT measurement during the measurement gap in response to the determination that the data receipt metric is in the first relationship with the first threshold.2. The method of claim 1 , further comprising determining a delivery method of the MBMS session claim 1 , wherein ...

INITIAL ACQUISITION

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive a synchronization signal block associated with a first channel number as part of a scan, wherein the synchronization signal block indicates a second channel number corresponding to a cell-defining synchronization signal block. The UE may attempt acquisition for the cell-defining synchronization signal block at an elevated priority level based at least in part on the synchronization signal block indicating the second channel number. Numerous other aspects are provided. 1. A method of wireless communication performed by a user equipment (UE) , comprising:receiving a synchronization signal block associated with a first channel number as part of a scan, wherein the synchronization signal block indicates a second channel number corresponding to a cell-defining synchronization signal block; andattempting acquisition for the cell-defining synchronization signal block at an elevated priority level based at least in part on the synchronization signal block indicating the second channel number.2. The method of claim 1 , wherein attempting the acquisition for the cell-defining synchronization signal block at the elevated priority level comprises skipping acquisition on at least one channel between a channel corresponding to the first channel number and a channel corresponding to the second channel number.3. The method of claim 1 , wherein attempting the acquisition for the cell-defining synchronization signal block at the elevated priority level is based at least in part on a timer.4. The method of claim 1 , wherein attempting the acquisition for the cell-defining synchronization signal block at the elevated priority level is based at least in part on a number of times that the UE has previously scanned for another cell-defining synchronization signal block at an elevated priority level without identifying the other cell-defining ...

FAST USER EQUIPMENT RECONFIGURATION SIGNALING IN WIRELESS COMMUNICATION

Aspects of the present disclosure provide methods and apparatuses that use various connection reconfiguration signaling schemes to enable fast user equipment reconfiguration in wireless networks. A network can reduce reconfiguration signaling traffic or overhead by reducing the amount of configuration data sent to each user equipment (UE) in a reconfiguration message. In some examples, when a UE first enters a network area, the network may provide the UE with a list of commonly used baseline configurations. Each baseline configuration may be identified by an index and a value tag. Subsequently, the network may transmit a reconfiguration message including, for example, only the index and value tag to indicate the desired configuration. 1. A method of wireless communication operable at a network entity , comprising:transmitting a plurality of connection configurations to a user equipment (UE), each of the connection configurations comprising a respective index, baseline configuration, and value tag;selecting a first connection configuration for the UE among the plurality of connection configurations; andtransmitting a reconfiguration message to the UE, the reconfiguration message comprising the index and the value tag of the first connection configuration.2. The method of claim 1 , wherein the value tag indicates one or more parameter values of the corresponding baseline configuration.3. The method of claim 1 , wherein the reconfiguration message comprises no parameter values of the baseline configuration.4. The method of claim 1 , wherein the first connection configuration is configured to at least one of:add a connection between the UE and a first cell in a coverage area of the network entity;remove a connection between the UE and a second cell in the coverage area;reconfigure a connection between the UE and the network entity; orreconfigure a connection between the UE and a third cell in the coverage area.5. The method of claim 1 , wherein the plurality of ...

INCREASE IN-SERVICE TIME AND ROBUSTNESS FOR SUSTAINED MOBILITY IN IDLE MODE

Wireless communications systems and methods related to user equipment (UE) idle mode mobility in a wireless communication network are provided. A wireless communication device establishes a network session with a wireless communication network. The wireless communication device reselects a first cell for camping, wherein the first cell is associated with the wireless communication network. The wireless communication device monitors for first system information from the first cell. The wireless communication device reselects a second cell for camping in response to a failure to receive the first system information. The second cell is associated with the wireless communication network and different from the first cell. The wireless communication device maintains the network session during the reselecting the first cell for camping and the reselecting the second cell for camping. 1. A method of wireless communication , comprising:establishing, by a wireless communication device, a network session with a wireless communication network;reselecting, by the wireless communication device, a first cell for camping, wherein the first cell is associated with the wireless communication network;monitoring, by the wireless communication device, for first system information from the first cell;reselecting, by the wireless communication device, a second cell for camping in response to a failure to receive the first system information, wherein the second cell is associated with the wireless communication network and different from the first cell; andmaintaining, by the wireless communication device, the network session during the reselecting the first cell for camping and the reselecting the second cell for camping.2. The method of claim 1 , further comprising:monitoring, by the wireless communication device, one or more frequencies for cell information, the one or more frequencies including a first frequency associated with the first cell.3. The method of claim 2 , wherein the ...

UE ASSISTANCE INFORMATION (UAI) OF BATTERY POWER SAVING

Certain aspects of the present disclosure provide techniques for detecting power consumption conditions to trigger transmission of user equipment (UE) assistance information (UAI) for a reconfiguration request. For example, an example method by a UE generally includes detecting one or more conditions associated with at least one metric related to UE power consumption; and transmitting UAI to a network entity, in response to the detection, to request a reconfiguration of the UE to operate according to a set of one or more parameters selected based on a value of the at least one metric. 1. A method for wireless communications by a user equipment (UE) , comprising:detecting one or more conditions associated with at least one metric related to UE power consumption; andtransmitting UE assistance information (UAI) to a network entity, in response to the detection, to request a reconfiguration of the UE to operate according to a set of one or more parameters selected based on a value of the at least one metric.2. The method of claim 1 , wherein:the at least one metric comprises a battery level of the UE; andthe UE is configured to select different sets of parameters depending on whether the battery level of the UE is: below a first threshold, above a second threshold, or between the first and second threshold.3. The method of claim 2 , wherein:the set of parameters comprises at least one of: a maximum aggregate bandwidth or a maximum number of component carriers (CCs) in one or more cells.4. The method of claim 3 , wherein:the set of parameters further comprise at least one of a number of uplink multiple input multiple output (MIMO) layers or a number of downlink MIMO layers.5. The method of claim 3 , wherein the UE is configured to:select a first set of parameters, in response to detecting the battery level has fallen below the second threshold, wherein the first set of parameters represent a reduction in bandwidth relative to a current configuration; andselect a second ...

Methods and apparatus for handling a signaling message that relates to transmission rate restrictions

A method for handling a signaling message that specifies transmission rate restrictions may include operating in a first state. The method may also include receiving the signaling message from a network. The signaling message may include an activation time, the transmission rate restrictions and the control duration. The method may also include receiving a state transition trigger to operate in a second state. The method may also include determining the user equipment's behavior regarding the transmission rate restrictions upon receiving the state transition trigger.

Early termination in enhanced multimedia broadcast-multicast service reception

Early termination of enhanced multimedia broadcast-multicast service (eMBMS) is discussed. Forward error correction (FEC) redundancy data is added to broadcast data, such that if enough of the data symbols are successfully received, the data object may be reassembled before the entire transmission has been received. The aspects involve an application processor and modem processor, which may either be integrated into the same integrated circuit or separate components. The application processor obtains a total number of source symbols and a redundancy level for a data object to be received from the eMBMS, receives the successfully received data symbols from the modem processor, and then determines whether the number of successfully received data symbols exceeds a threshold for reassembling the transmitted data object. If so, then the application processor and/or the modem processor can shut down until the next broadcast.

Fast recovery mechanisms for multi-carrier enabled UEs

Methods, systems, and devices are described for recovery from a connection disruption of a user equipment (UE) operating in a multi-carrier mode. The UE may establish a first connection with a primary cell and a second connection with a secondary cell while operating in the multi-carrier mode. A determination may be made that a disruption in the connection with the primary cell has occurred, and the UE may perform a connection reestablishment procedure to attempt to reestablish communications. The connection reestablishment routine may prioritize the secondary cell ahead of one or more other cells for attempting to reestablish communications. The prioritization may be based at least in part on the establishment of the second connection in the multi-carrier mode.

Prioritizing inter-frequency/inter-rat measurements and embms in lte

Techniques to allocate receive resources

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit, to a base station, a UE capability message associated with a number of downlink multiple-input and multiple-output (MIMO) layers supported at the UE. The UE may receive a configuration for a set of downlink MIMO layers including a first subset of downlink MIMO layers configured for a first cell and a second subset of downlink MIMO layers configured for a second cell. The UE may allocate a first set of resources to the first cell or the second cell, or both, based on the first and the second subset of downlink MIMO layers. The UE may determine a second set of resources are unallocated to the set of downlink MIMO layers and allocate the second set of resources to the first cell or the second cell, or both.

Techniques for providing assistance information for reduced mimo layers

Methods, systems, and devices for wireless communications are described. In some systems, a user equipment (UE) may transmit assistance information to a base station to request an update or a modification to one or more communication parameters configured at the UE. Such communication parameters may include a quantity of uplink multiple-input multiple-output (MIMO) layers, a quantity of downlink MIMO layers, a minimum scheduling offset, a maximum quantity of component carriers, or a maximum aggregated bandwidth for a secondary cell group (SCG). In some implementations, the UE may transmit the assistance information requesting the update or modification to one or more of such communication parameters based on detecting that the UE satisfies one or more triggering conditions or thresholds.

Method and apparatus for managing system information modification in a wireless communication system

Systems and methodologies are described that facilitate improved management of a system information modification in a wireless communication environment. Various techniques can be utilized as described herein to provide respective users with information indicative of changes to specific blocks or elements within a set of system information, thereby simplifying and accelerating acquisition of new system information after a modification. In a first example, a bitmap is generated and transmitted upon a system information modification that indicates which blocks(s) and/or element(s) of the system information changed in the modification, thereby allowing an associated user to abstain from reading or processing unchanged system information. In a second example, respective block(s) and/or element(s) of the system information can include an internal value tag that indicates to a receiving entity whether the corresponding block(s) or element(s) have changed, thereby allowing a user to discard unchanged block(s) or element(s) without performing further processing.

Early termination in embms reception

Early termination of enhanced multimedia broadcast-multicast service (eMBMS) is discussed. Forward error correction (FEC) redundancy data is added to broadcast data, such that if enough of the data symbols are successfully received, the data object may be reassembled before the entire transmission has been received. The aspects involve an application processor and modem processor, which may either be integrated into the same integrated circuit or separate components. The application processor obtains a total number of source symbols and a redundancy level for a data object to be received from the eMBMS, receives the successfully received data symbols from the modem processor, and then determines whether the number of successfully received data symbols exceeds a threshold for reassembling the transmitted data object. If so, then the application processor and/or the modem processor can shut down until the next broadcast.

Techniques for reducing network congestion in a wireless communications system

Methods, systems, and devices are described for reducing congestion in a wireless communications system. A second connection failure is detected, and a difference between a timestamp of the second connection failure and a timestamp of a first connection failure is calculated. Upon determining that the difference satisfies a first time threshold, information relating to one or more previous connection failures is cleared. A time period is identified. A number of connection failures from a cell that occur during the time period is identified. A determination is made as to whether the number of connection failures satisfies a threshold. Upon determining that the number of connection failures satisfies the threshold, a future connection request may be withheld for a time period.

Managing wireless device communication with a base station

This disclosure provides systems, methods and apparatus, and computer programs encoded on computer storage media, for managing communications with a base station by a processor of a wireless device. In one aspect, a processor of a wireless device may receive from the base station a system information change indication in first system information. The processor may determine from the first system information scheduling information of second system information. The processor may determine a factor that a request for the second system information will collide with a request from another wireless device for the second system information. The processor may send the request for the second system information using the determined factor.

Methods and apparatus for reporting signal quality in overlapping multimedia broadcast single frequency network (mbsfn) areas

Certain aspects of the present disclosure relate to methods and apparatus for reporting signal quality in overlapping Multimedia Broadcast Single Frequency Networks (MBSFN) areas. A UE may determine a signal quality estimate for each of two or more overlapping MBSFN areas based on Signal to Noise Ratio (SNR) information and Modulation and Coding Scheme (MCS) information for the MBSFN area. The UE may then determine a combined signal quality based on the signal quality estimates of the MBSFN areas.

Fast user equipment reconfiguration signaling in wireless communication

Methods and apparatus for handling a signaling message that relates to transmission rate restrictions

A method for handling a signaling message that specifies transmission rate restrictions may include operating in a first state. The method may also include receiving the signaling message from a network. The signaling message may include an activation time, the transmission rate restrictions and the control duration. The method may also include receiving a state transition trigger to operate in a second state. The method may also include determining the user equipment's behavior regarding the transmission rate restrictions upon receiving the state transition trigger.

method and equipment for processing signaling messages that refer to transmission rate restrictions

MÉTODO E EQUIPAMENTO PARA PROCESSAR MENSAGEM DE SINALIZAÇÃO QUE SE REFERE A RESTRIÇÕES À TAXA DE TRANSMISSÃO. Um método para processar uma mensagem de sinalização que especifica restrições à taxa de transmissão pode incluir funcionar em um primeiro estado. O método pode incluir também receber a mensagem de sinalização de uma rede. A mensagem de sinalização pode incluir um tempo de ativação, as restrições à taxa de transmissão e a duração de controle. O método pode incluir também receber um acionador de transição entre estados para funcionar em um segundo estado. O método pode incluir também determinar o comportamento do equipamento de usuário no que se refere às restrições à taxa de transmissão quando do recebimento do acionador de transição entre estados. METHOD AND EQUIPMENT TO PROCESS SIGNALING MESSAGE THAT REFERRES TO RESTRICTIONS ON THE TRANSMISSION RATE. A method for processing a signaling message that specifies transmission rate restrictions may include operating in a first state. The method may also include receiving the signaling message from a network. The signaling message can include an activation time, transmission rate restrictions and control duration. The method may also include receiving a transition switch between states to operate in a second state. The method may also include determining the behavior of user equipment with respect to transmission rate restrictions upon receipt of the transition switch between states.

Methods and apparatus for employing different capabilities for different duplexing modes

Recovering data in multimedia file segments

This application relates to systems and methods for recovering data in multimedia file segments. A communication device may receive a multimedia file segment that includes damaged data. The communication device may replace the damaged data with dummy data to reconstruct the multimedia file segment. The communication device may then play the reconstructed multimedia file segment. Thus, by replacing the damaged data with dummy data, the communication device may play a multimedia file segment even when part of the segment may be damaged.

Methods and apparatus for handling a signaling message that relates to transmission rate restrictions

Common channel configuration in new radio inactive state

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a radio resource control (RRC) resume message, associated with transitioning the UE from an inactive state to a connected state. The UE may configure, based at least in part on receiving the RRC resume message, the UE with a serving cell common configuration, associated with a serving cell of the UE, received in a system information block (SIB) associated with the serving cell. Numerous other aspects are provided.

Method and apparatus for managing system information modification in a wireless communication system

Systems and methodologies are described that facilitate improved management of a system information modification in a wireless communication environment. Various techniques can be utilized as described herein to provide respective users with information indicative of changes to specific blocks or elements within a set of system information, thereby simplifying and accelerating acquisition of new system information after a modification. In a first example, a bitmap is generated and transmitted upon a system information modification that indicates which blocks(s) and/or element(s) of the system information changed in the modification, thereby allowing an associated user to abstain from reading or processing unchanged system information. In a second example, respective block(s) and/or element(s) of the system information can include an internal value tag that indicates to a receiving entity whether the corresponding block(s) or element(s) have changed, thereby allowing a user to discard unchanged block(s) or element(s) without performing further processing.

Techniques for handling public warning system information using multiple message buffers

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to maintain multiple message buffers for storing public warning system (PWS) information. The UE may receive a first segment of public PWS information via a first cell, where the PWS information is associated with a geographical scope that includes the first cell. The UE may perform a cell change procedure from the first cell to a second cell different from the first cell, and may receive a second segment of the PWS information via the second cell. The UE may then store the first segment and the second segment within multiple message buffers based on the second cell being included within the geographical scope associated with the PWS information.

Techniques for radio access technology (rat) fallback in wireless communications

Some aspects described herein relate to determining to fallback from a first radio access technology (RAT) to a second RAT to perform an emergency call, and deprioritizing, based on the determining to fallback, access to the first RAT to continue to use the second RAT for at least a period of time after the emergency call.

Techniques for exposure-based suspensions of communication attempts

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may communicate via a first connection using one or more transmit parameters. The UE may determine to suspend subsequent attempts to communicate via a second connection, in a dual connection mode, based at least in part on satisfaction of a threshold number of failed attempts to communicate via the second connection. The UE may determine one or more parameters for suspension of the subsequent attempts to communicate via the second connection based at least in part on a determination that satisfaction of the threshold number of failed attempts is associated with one or more exposure conditions that are based at least in part on the one or more transmit parameters. Numerous other aspects are provided.

Methods and apparatus for handling a signaling message that relates to transmission rate restrictions.

Un método para manejar un mensaje de señalización que especifica las restricciones de índice de transmisión puede incluir operar en un primer estado. El método también puede incluir recibir el mensaje de señalización desde una red. El mensaje de señalización puede incluir un tiempo de activación, las restricciones de índice de transmisión y la duración de control. El método también puede incluir recibir un activador de transición de estado para operar en un segundo estado. El método también puede incluir determinar el comportamiento del equipo del usuario con respecto a las restricciones de índice de transmisión al recibir el activador de transición de estado.

Common channel configuration in new radio inactive state

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive a radio resource control (RRC) resume message, associated with transitioning the UE from an inactive state to a connected state. The UE may configure, based at least in part on receiving the RRC resume message, the UE with a serving cell common configuration, associated with a serving cell of the UE, received in a system information block (SIB) associated with the serving cell. Numerous other aspects are provided.

Techniques for handling public warning system information using multiple message buffers

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to maintain multiple message buffers for storing public warning system (PWS) information. The UE may receive a first segment of public PWS information via a first cell, where the PWS information is associated with a geographical scope that includes the first cell. The UE may perform a cell change procedure from the first cell to a second cell different from the first cell, and may receive a second segment of the PWS information via the second cell. The UE may then store the first segment and the second segment within multiple message buffers based on the second cell being included within the geographical scope associated with the PWS information.

Techniques to allocate receive resources

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit, to a base station, a UE capability message associated with a number of downlink multiple-input and multiple-output (MIMO) layers supported at the UE. The UE may receive a configuration for a set of downlink MIMO layers including a first subset of downlink MIMO layers configured for a first cell and a second subset of downlink MIMO layers configured for a second cell. The UE may allocate a first set of resources to the first cell or the second cell, or both, based on the first and the second subset of downlink MIMO layers. The UE may determine a second set of resources are unallocated to the set of downlink MIMO layers and allocate the second set of resources to the first cell or the second cell, or both.

Signaling of delta configuration for handover

A delta configuration is signaled for handover of a wireless communication device (e.g., a user equipment, UE) from a first form of connectivity to a second form of connectivity. For example, a UE with master cell group (MCG) connectivity may be handed-over to multiple radio access technology-dual connectivity (MR-DC). In some examples, a UE with standalone (SA) connectivity may be handed-over to non-standalone (NSA) connectivity (e.g., dual connectivity). In conjunction with this handover the UE may be signaled as to whether the UE is to reuse a configuration from the first connectivity mode during the second connectivity mode.

Cell avoidance associated with lower layer failures

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may determine that a number of access stratum (AS) operations or communications have failed while attempting to communicate with a cell. Based on the AS failures, the UE may deprioritize the cell. For example, based on the deprioritization, the UE may bar certain cells from selection or reselection procedures. The UE may thus attempt to select or reselect a different cell even if the cell is ranked lower based on a selection criteria or reselection criteria. In some cases, UEs may store and share historical AS failure information that may also be used to determine when to deprioritize a cell. In some cases, a group of cells may be deprioritized (e.g., a group based on frequency, network, or tracking area).

Techniques for radio access technology (RAT) fallback in wireless communications

Some aspects described herein relate to determining to fallback from a first radio access technology (RAT) to a second RAT to perform an emergency call, and deprioritizing, based on the determining to fallback, access to the first RAT to continue to use the second RAT for at least a period of time after the emergency call.

Subscriptions scheduling in multi-subscription devices

Embodiments described herein relate to systems and methods for scheduling subscriptions in a user equipment (UE) having at least a first receive radio and a second receive radio, including receiving, by the first receive radio, a broadcast activity for a first subscription and receiving, by the second receive radio, a reception activity for a second subscription. A trigger event is detected while the broadcast activity for the first subscription is being received by the first receive radio and the reception activity for the second subscription is being received by the second receive radio. In response to detecting the trigger event, the reception activity for the second subscription is received by the first receive radio and the broadcast activity for the first subscription is received by the second receive radio.

Triggering user equipment (ue) assistance information based on mobility and wake up signal (wus) configuration

Methods, systems, and devices for wireless communications are described. A system may support techniques for triggering user equipment (UE) assistance information (UAI) based on mobility, wake up signal (WUS) configuration, or both. In some cases, a UE may communicate with a network node (e.g., a base station) on a first channel according to a discontinuous reception (DRX) configuration. The UE may determine that a speed of the UE satisfies a mobility threshold and may transmit UAI requesting one or more updated DRX configuration parameters based on the speed of the UE satisfying the mobility threshold. Additionally or alternatively, the UE may receive signaling configuring the UE to monitor for WUSs and may transmit UAI requesting one or more updated DRX configuration parameters based on the WUS configuration. The UE may receive control signaling configuring the DRX configuration with the one or more requested parameters in response to the UAI.

Handling repeated network configuration failure

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine that a network configuration procedure has failed a threshold number of times for a first radio access technology (RAT). The UE may perform a first action to prevent execution of the network configuration procedure until a timer has elapsed based at least in part on determining that the network configuration procedure has failed the threshold number of times. The first action may include transmitting a message that indicates that the UE does not have a capability to communicate using the first RAT, barring a cell or a tracking area of the first RAT or a second RAT that assists with establishing a radio access network connection for the first RAT, and/or refraining from reporting measurement results for the first RAT. Numerous other aspects are provided.

Techniques to improve uplink rrc signaling for low memory devices

A user equipment (UE) receives a capability enquiry message from a network node. The UE transmits a fixed capability message from a set of one or more capability message in response to the capability enquiry message.

Enhanced connection release techniques for wireless communications systems

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive, from a base station, control signaling for communications in a wireless communications system. The control signaling may indicate a first duration for an inactivity timer. The UE may initiate the inactivity timer and a second timer based on identifying a period of inactivity. The second timer may have a second duration that is shorter than the first duration for the inactivity timer. In some examples, the second duration may be based on one or more parameters, such as a display status, a battery status, a scaling factor, the first duration, an application state, or any combination thereof. The UE may release a connection for the communications in the wireless communications system based on an expiration of the second timer, an expiration of the inactivity timer, or a combination thereof.

Ue assisted cdrx fallback

Apparatus, methods, and computer program products for DRX adjustment are provided. An example method includes receiving, from a base station, a discontinuous reception (DRX) configuration for the UE based on one or more DRX preferences. The example method further includes adjusting one or more parameters of the DRX configuration in response to a trigger at the UE. The example method further includes transmitting assistance information to the base station, the assistance information including the one or more parameters adjusted by the UE.

Techniques for dual connectivity mode optimization

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may measure a parameter associated with a secondary cell group. The UE may perform an optimization response action for a dual connectivity mode of a first frequency parameter or a second frequency parameter when the parameter satisfies a threshold, wherein the optimization response action is associated with whether the secondary cell group is operating with the first frequency parameter or the second frequency parameter. Numerous other aspects are described.

Received signal strength indicator (rssi) realizing cellular radio access technology type measurements in a wireless local area network domain

Certain aspects of the present disclosure relate to methods and apparatus for measurement reporting. The method comprises receiving, via a first radio access technology (RAT), a first request for one or more measurement reports, translating the first request to a group of second requests for measurement associated with at least a second RAT, and transmitting at least one of the second requests to initiate gathering measurements associated with the second RAT for use in generating the one or more measurement reports in response to the first request.

Received signal strength indicator (rssi) realizing cellular radio access technology type measurements in a wireless local area network domain

Certain aspects of the present disclosure relate to methods and apparatus for measurement reporting. The method comprises receiving, via a first radio access technology (RAT), a first request for one or more measurement reports, translating the first request to a group of second requests for measurement associated with at least a second RAT, and transmitting at least one of the second requests to initiate gathering measurements associated with the second RAT for use in generating the one or more measurement reports in response to the first request.