APPARATUS AND METHOD FOR RELAY STATION HANDOVER IN MULTI-HOP RELAY BROADBAND WIRELESS ACCESS SYSTEM

A technique for managing a packet to be transmitted to a Mobile Station (MS) that performs Relay Station (RS) handover in a multi-hop relay Broadband Wireless Access (BWA) system is provided. In the BWA system, a Base Station (BS) includes a controller for determining whether to perform activecasting on an MS upon receiving an activecast request message; a scheduler for allocating a resource by taking into consideration a channel condition between the MS and a serving RS when activecasting is determined to be performed; and a transmitter for multicasting a packet, which is to be transmitted to the MS, to a target RS and the serving RS by using the allocated resource.

Apparatus and method for transmitting/receiving channel quality information in a communication system

An apparatus and method for transmitting/receiving a Channel Quality Information (CQI) in a communication system are provided. A Mobile Station (MS) receives first information indicating a representative MS selected from a group of MSs located within a preset range and in similar channel statuses, the group including the MS, determines from the first information whether the MS is designated as the representative MS, and transmits a CQI of the MS as a representative CQI of the MSs included in the group to a Base Station (BS), if the MS is designated as the representative MS.

Method for forming a moving network group in a mobile relay station and mobile multi-hop relay system supporting the same

A method for forming a moving network group by a mobile relay station (MRS) in a mobile multi-hop relay (MMR) system is provided. The MRS determines whether a transportation means mounted with the mobile relay station is at a predetermined location derived from travel information. When a velocity information of the transportation means at the predetermined location is zero (0), the MRS determines whether to include a mobile station (MS) to the moving network group based at least partly upon a signal that the mobile station receives from the mobile relay station.

APPARATUS AND METHOD FOR HANDOVER IN BROADBAND WIRELESS COMMUNICATION SYSTEM FOR SUPPORTING MOBILE RELAY STATION

An apparatus and a method for handover in a broadband wireless communication system supporting a Mobile Relay Station (MRS) are provided. The method includes transmitting a Connection ID (CID) of Mobile Stations (MSs), the CIDs pre-allocated by a target BS, to the MSs; sending a resource allocation message comprising uplink resource allocation information for bandwidth request of the MSs, to the MSs; receiving a bandwidth request message which comprises security authentication information of each MS, from the MSs using an uplink resource allocated through the uplink resource allocation information; and aggregating bandwidth request messages of the MSs and sending a ranging request message comprising the security authentication information and bandwidth request information of the MSs to the target BS. Thus, the handover delay time, which is inevitable for the bandwidth request in the conventional connection set-up procedure, can be reduced, and the handover with the reliability guaranteed ...

Method and apparatus for handover in wireless communication system

A method and an apparatus ensure efficient handover in a wireless communication system even when a User Equipment (UE) moves at a high speed. A serving eNB receives interference power information of an uplink (UL) signal and interference increase/decrease information of the UL signal from at least one adjacent eNB. an adjacent eNB, for which the received interference power information indicates that interference power of the UL signal is equal to or greater than a threshold value, is selected as a target eNB for a User Equipment (UE) among the at least one adjacent eNB. Whether handover of the UE is delayed is determined based on the interference increase/decrease information received from the target eNB. And if the handover of the UE is delayed, a handover parameter is transmitted to the UE to perform handover to the target eNB.

Appatatus and method for transmitting inter-working signal in wireless communication system

A Base Station (BS) includes an apparatus and method for transmitting cell information. The BS is in the a communication system of a small cell size in a wireless communication environment in which a communication system of a large cell size and the communication system of the small cell size are hierarchically constructed in the same area. The method includes confirming reference signal transmission information for transmitting a reference signal including its own cell information, if a reference signal transmission interval arrives according to the reference signal transmission information, transmitting the reference signal through an operation frequency of a macro BS of the large cell size including the BS itself, and, if it is not the reference signal transmission interval, providing service through its own operation frequency or operating in a power saving mode.

GROUP HANDOVER METHOD AND APPARATUS IN BROADBAND WIRELESS COMMUNICATION SYSTEM THAT SUPPORTS MOBILE RELAY STATION

Group handover method and apparatus in a broadband wireless communication system which supports a mobile relay station are provided. A method of a serving base station for group handover of the mobile relay station includes when receiving a measurement report message from a relay station, determining whether the relay station is a mobile relay station of a simple type which forwards a signal; collecting handover related information of the mobile relay station and mobile terminals belonging to the mobile relay station, from pre-stored information; requesting handover of the mobile relay station and the mobile terminals by transmitting the collected handover related information to a target base station; and receiving a message indicating whether the handover of the mobile relay station and the mobile terminals is approved, from the target base station.

Apparatus and method for providing handover support information in mobile communication system

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station (MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS.

Apparatus and method for providing handover support information in mobile communication system

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station (MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS.

Handover apparatus and method using relay node in cellular system

Handover apparatus and method using a Relay Node (RN) in a cellular system are provided. The handover method includes receiving, at an RN, broadcast control information of a serving Base Station (BS) and a neighbor BS; network-encoding and broadcasting, at the RN, the received broadcast control information; receiving and storing, at a Mobile Station (MS), the broadcast control information of the serving BS; receiving, at the MS, the network-encoded information from the RN when the MS enters a cell overlapping area; and acquiring, at the MS, the broadcast control information of the neighbor BS by decoding the received network-encoded information with the broadcast control information of the serving BS.

Method and system for transmitting/receiving data in communication system

Disclosed is a method and system for transmitting and receiving data in a communication system. The system includes a base station, and a relay station connecting the base station with at least one mobile station. The base station transmits data for a plurality of mobile stations to the relay station, and transmits the data to at least one mobile station belonging to the base station from among the plurality of mobile stations. The relay station receives the data from the base station, and transmits the data to at least one mobile station belonging to the relay station from among the plurality of mobile stations in the same interval as an interval where the base station transmits the data to the mobile station.

Apparatus and method for performing precoding in wireless communication system using massive antenna

The disclosure is related to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The disclosure is related to a precoding/beamforming using a massive antenna. A method for operating a base station in a wireless communication system includes transmitting vertical reference signals and horizontal reference signals that are generated based on an interference relation between terminals, receiving long-term channel information determined by using the vertical reference signals and the horizontal reference signals, transmitting group-specific reference signals beamformed by a first beamformer generated based on the long-term channel information, receiving short-term channel information determined by using the group-specific reference signals, and transmitting a data signal beamformed by a second beamformer generated based on the short-term channel information.

Apparatus and method for handover in broadband wireless communication system for supporting mobile relay station

An apparatus and a method for handover in a broadband wireless communication system supporting a Mobile Relay Station (MRS) are provided. The method includes transmitting a Connection ID (CID) of Mobile Stations (MSs), the CIDs pre-allocated by a target BS, to the MSs; sending a resource allocation message comprising uplink resource allocation information for bandwidth request of the MSs, to the MSs; receiving a bandwidth request message which comprises security authentication information of each MS, from the MSs using an uplink resource allocated through the uplink resource allocation information; and aggregating bandwidth request messages of the MSs and sending a ranging request message comprising the security authentication information and bandwidth request information of the MSs to the target BS. Thus, the handover delay time, which is inevitable for the bandwidth request in the conventional connection set-up procedure, can be reduced, and the handover with the reliability guaranteed ...

Apparatus and method for providing handover support information in mobile communication system

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station (MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS.

Apparatus and method for providing handover support information in mobile communication system

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station (MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS.

Apparatus and method for reducing handover delay in broadband wireless communication system

A method and an apparatus for reducing a handover delay in a broadband wireless communication system are provided. In a method for operating a terminal to reduce a handover delay in a broadband wireless communication system, a handover procedure is performed with a serving Base Station (BS) to obtain a dedicated ranging code and a Connection ID (CID). The dedicated ranging code is transmitted to one or more target BSs using the CID. Whether the dedicated ranging code is received is determined. Therefore, a handover delay and a chance of malfunction can be reduced.

METHOD AND APPARATUS FOR HANDOVER IN WIRELESS COMMUNICATION SYSTEM

A method and an apparatus ensure efficient handover in a wireless communication system even when a User Equipment (UE) moves at a high speed. A serving eNB receives interference power information of an uplink (UL) signal and interference increase/decrease information of the UL signal from at least one adjacent eNB. an adjacent eNB, for which the received interference power information indicates that interference power of the UL signal is equal to or greater than a threshold value, is selected as a target eNB for a User Equipment (UE) among the at least one adjacent eNB. Whether handover of the UE is delayed is determined based on the interference increase/decrease information received from the target eNB. And if the handover of the UE is delayed, a handover parameter is transmitted to the UE to perform handover to the target eNB.

HANDOVER APPARATUS AND METHOD USING RELAY NODE IN CELLULAR SYSTEM

Handover apparatus and method using a Relay Node (RN) in a cellular system are provided. The handover method includes receiving, at an RN, broadcast control information of a serving Base Station (BS) and a neighbor BS; network-encoding and broadcasting, at the RN, the received broadcast control information; receiving and storing, at a Mobile Station (MS), the broadcast control information of the serving BS; receiving, at the MS, the network-encoded information from the RN when the MS enters a cell overlapping area; and acquiring, at the MS, the broadcast control information of the neighbor BS by decoding the received network-encoded information with the broadcast control information of the serving BS.

Apparatus and method for relay station handover in multi-hop relay broadband wireless access system

A technique for managing a packet to be transmitted to a Mobile Station (MS) that performs Relay Station (RS) handover in a multi-hop relay Broadband Wireless Access (BWA) system is provided. In the BWA system, a Base Station (BS) includes a controller for determining whether to perform activecasting on an MS upon receiving an activecast request message; a scheduler for allocating a resource by taking into consideration a channel condition between the MS and a serving RS when activecasting is determined to be performed; and a transmitter for multicasting a packet, which is to be transmitted to the MS, to a target RS and the serving RS by using the allocated resource.

Apparatus and method for performing handover of terminal in wireless communication system

Provided are an apparatus and a method for performing a handover of a terminal in a wireless communication system. In the method, a ranging code is transmitted to a target base station on which a handover is to be performed. A ranging response message comprising Connection Identification (CID) update information is received from the target base station together with resource assignment information for transmission of a ranging request message. Therefore, fast resumption of downlink data reception of the terminal can be supported through fast CID update during a handover.

Method and apparatus for operating moving network in a mobile communication system

A method and an apparatus for operating a moving network in a mobile communication system are provided. A method of a Base Station (BS) for operating a Moving Network (MN) includes determining an operation mode of the MN in a cell by collecting information of the cell, and transmitting the determined operation mode to the MN. The operation mode includes at least one of an Operation ON mode in which the MN maintains links to Mobile Stations (MSs) in a service coverage area of the MN, and an Operation OFF mode in which the MN turns off the links to the MSs in the service coverage area of the MN.

Group handover method and apparatus in broadband wireless communication system that supports mobile relay station

Group handover method and apparatus in a broadband wireless communication system which supports a mobile relay station are provided. A method of a serving base station for group handover of the mobile relay station includes when receiving a measurement report message from a relay station, determining whether the relay station is a mobile relay station of a simple type which forwards a signal; collecting handover related information of the mobile relay station and mobile terminals belonging to the mobile relay station, from pre-stored information; requesting handover of the mobile relay station and the mobile terminals by transmitting the collected handover related information to a target base station; and receiving a message indicating whether the handover of the mobile relay station and the mobile terminals is approved, from the target base station.

Apparatus and method for transmitting system information block in a broadband wireless communication system

An operation method of the femto BS includes configuring a subframe set including at least two types of subframes among subframes having predefined different structures, and, if a duration of a subframe carrying the subframe set arrives, transmitting one of the subframes included in the subframe set according to predefined order. The subframes having the predefined different structures include a first type subframe including a synchronization signal and a Master Information Block (MIB), a second type subframe including the synchronization signal, a third type subframe including the synchronization signal and system information, a fourth type subframe including the synchronization signal, the MIB, and the system information, and a fifth type subframe including the system information.

Apparatus and method for performing handover in broadband wireless communication system

An apparatus and method for performing a handover in a broadband wireless communication system is provided. In the broadband wireless communication system, a base station includes: a grouping unit for grouping mobile stations by using information on a movement path of each mobile station and information on a received signal strength of a neighboring base station, thereby constituting at least one group; a controller for modifying hystereses of remaining mobile stations among the mobile stations belonging to the same group, if a predetermined number of mobile stations perform handovers; and a transmitter for transmitting a message including modified hysteresis information to the remaining mobile stations belonging to the group.

Method and system for transmitting/receiving data in communication system

Disclosed is a method and system for transmitting and receiving data in a communication system. The system includes a base station, and a relay station connecting the base station with at least one mobile station. The base station transmits data for a plurality of mobile stations to the relay station, and transmits the data to at least one mobile station belonging to the base station from among the plurality of mobile stations. The relay station receives the data from the base station, and transmits the data to at least one mobile station belonging to the relay station from among the plurality of mobile stations in the same interval as an interval where the base station transmits the data to the mobile station.

Method and device for controlling hand-over message transmission power in a mobile communications system

The present invention relates to a method and a device for controlling the hand-over message transmission power of a mobile station in a mobile communication system. The present invention comprises the processes of: acquiring uplink data relating to a hand-over target base station; using the uplink data to determine the maximum transmission power of a hand-over ranging message; and transmitting a hand-over ranging message having a power level below the determined maximum transmission power to the hand-over target base station.

Apparatus and method for providing handover support information in mobile communication system

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station (MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS.

Apparatus and method for transmitting system information block in a broadband wireless communication system

An operation method of the femto BS includes configuring a subframe set including at least two types of subframes among subframes having predefined different structures, and, if a duration of a subframe carrying the subframe set arrives, transmitting one of the subframes included in the subframe set according to predefined order. The subframes having the predefined different structures include a first type subframe including a synchronization signal and a Master Information Block (MIB), a second type subframe including the synchronization signal, a third type subframe including the synchronization signal and system information, a fourth type subframe including the synchronization signal, the MIB, and the system information, and a fifth type subframe including the system information.

METHOD AND DEVICE FOR CONTROLLING HAND-OVER MESSAGE TRANSMISSION POWER IN A MOBILE COMMUNICATIONS SYSTEM

The present invention relates to a method and a device for controlling the hand-over message transmission power of a mobile station in a mobile communication system. The present invention comprises the processes of: acquiring uplink data relating to a hand-over target base station; using the uplink data to determine the maximum transmission power of a hand-over ranging message; and transmitting a hand-over ranging message having a power level below the determined maximum transmission power to the hand-over target base station.

APPARATUS AND METHOD FOR PERFORMING HANDOVER OF TERMINAL IN WIRELESS COMMUNICATION SYSTEM

Provided are an apparatus and a method for performing a handover of a terminal in a wireless communication system. In the method, a ranging code is transmitted to a target base station on which a handover is to be performed. A ranging response message comprising Connection Identification (CID) update information is received from the target base station together with resource assignment information for transmission of a ranging request message. Therefore, fast resumption of downlink data reception of the terminal can be supported through fast CID update during a handover.

Method for forming a moving network group in a mobile relay station and mobile multi-hop relay system supporting the same

A method for forming a moving network group by a mobile relay station (MRS) in a mobile multi-hop relay (MMR) system is provided. The MRS determines whether a transportation means mounted with the mobile relay station is at a predetermined location derived from travel information. When a velocity information of the transportation means at the predetermined location is zero (0), the MRS determines whether to include a mobile station (MS) to the moving network group based at least partly upon a signal that the mobile station receives from the mobile relay station.

Apparatus and method for controlling uplink power in a wireless communication system

An apparatus and method for controlling uplink power considering inter-cell interference based on a cooperation transmission in a wireless communication system are provided. The method includes receiving inter-cell cooperation information, which includes uplink channel information and resource allocation information of the terminal located in a service area of each access node, from each of the access nodes, generating an uplink transmission power control command of any access node based on the inter-cell cooperation information received from each of the access nodes, or configuring reference inter-cell cooperation by using the inter-cell cooperation information received from at least one cooperation access node which provides the inter-cell cooperation transmission for a certain terminal together with any access node, based on the inter-cell cooperation information received from each of the plural access nodes, and transmitting the generated transmission power control command or the configured ...

Apparatus and method for transmitting inter-working signal in wireless communication system

A Base Station (BS) includes an apparatus and method for transmitting cell information. The BS is in the a communication system of a small cell size in a wireless communication environment in which a communication system of a large cell size and the communication system of the small cell size are hierarchically constructed in the same area. The method includes confirming reference signal transmission information for transmitting a reference signal including its own cell information, if a reference signal transmission interval arrives according to the reference signal transmission information, transmitting the reference signal through an operation frequency of a macro BS of the large cell size including the BS itself, and, if it is not the reference signal transmission interval, providing service through its own operation frequency or operating in a power saving mode.

Apparatus and method for controlling uplink power in a wireless communication system

An apparatus and method for controlling uplink power considering inter-cell interference based on a cooperation transmission in a wireless communication system are provided. The method includes receiving inter-cell cooperation information, which includes uplink channel information and resource allocation information of the terminal located in a service area of each access node, from each of the access nodes, generating an uplink transmission power control command of any access node based on the inter-cell cooperation information received from each of the access nodes, or configuring reference inter-cell cooperation by using the inter-cell cooperation information received from at least one cooperation access node which provides the inter-cell cooperation transmission for a certain terminal together with any access node, based on the inter-cell cooperation information received from each of the plural access nodes, and transmitting the generated transmission power control command or the configured reference inter-cell cooperation information to any access node.

APPARATUS AND METHOD FOR PROVIDING HANDOVER SUPPORT INFORMATION IN MOBILE COMMUNICATION SYSTEM

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station(MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS. 1. A method for a Base Station (BS) to transmit mobility change information of a Mobile Station (MS) to a neighboring BS in a mobile communication system , the method comprising:sending a mobility change message including the mobility change information for the BS to the neighboring BS when a mobility change condition is met; andreceiving a response message to the mobility change message.2. The method of claim 1 , wherein the mobility change information comprises at least one of a new handover trigger threshold of the BS or a new Time To Trigger (TTT) of the BS.3. The method of claim 1 , wherein the TTT is expressed by units of decibels (dB) or by an absolute value.4. The method of claim 1 , wherein the mobility change condition is when the mobility change information has changed or when the BS is newly added.5. The method of claim 1 , wherein the mobility change message comprises Mobility Parameters Information Element (IE).6. A method of acquiring mobility information of a neighboring Base Station (BS) in a Mobile Station (MS) of a mobile communication system claim 1 , the method comprising:in a case where the MS is in an active mode MS, receiving the mobility information of the neighboring BS through a control message from a serving BS, determining whether a measurement report condition for the neighboring BS is met, based on the ...

APPARATUS AND METHOD FOR PROVIDING HANDOVER SUPPORT INFORMATION IN MOBILE COMMUNICATION SYSTEM

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station(MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS. 1. A method for operating a base station in a mobile communication system , the method comprising:identifying at least one time to trigger (TTT) for a plurality of neighboring base stations; andtransmitting, to a mobile station, a message including information indicating a TTT based on a physical cell identifier range for a group of the plurality of neighboring base stations.2. The method of claim 1 , wherein the information comprises the physical cell identifier range corresponding to the group of the plurality of neighboring base stations for the TTT.3. The method of claim 1 , wherein the information comprises an alternative TTT for at least one of the plurality of neighboring base stations.4. The method of claim 1 , further comprising:receiving, from at least one of the plurality of neighboring base stations, information comprising an alternative TTT; andreplacing the TTT of the at least one of the plurality of neighboring base stations based on the alternative TTT.5. A method for operating a mobile station in a mobile communication system claim 1 , the method comprising:receiving, from a serving base station, a message including information indicating a time to trigger (TTT) based on a physical cell identifier range for a group of a plurality of neighboring base stations;determining the TTT of at least one of the plurality of ...

APPARATUS AND METHOD FOR PROVIDING HANDOVER SUPPORT INFORMATION IN MOBILE COMMUNICATION SYSTEM

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station (MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS. 1. A method for operating a mobile station in a mobile communication system , the method comprising:receiving, from a serving cell, a message including first information indicating a time to trigger (TTT) for at least one first neighbor cell and an alternative TTT for at least one second neighbor cell, and second information indicating at least one list of the at least one second neighbor cell, wherein the TTT and the alternative TTT are included in separate fields of the message;identifying the TTT and the alternative TTT included in the message; andtransmitting, to the serving cell, a measurement report for the at least one second neighbor cell based on the alternative TTT,wherein the alternative TTT is used for the at least one second neighbor cell instead of the TTT, andwherein the second information further includes a physical cell identifier range indicating a range of physical cell identities in the at least one list.2. The method of claim 1 , wherein the second information is included in MeasObjectEUTRA information element (IE).3. The method of claim 1 , wherein the alternative TTT is included in ReportConfigEUTRA information element (IE).4. A mobile station in a mobile communication system claim 1 , the mobile station comprising:a transceiver; andat least one processor, control the transceiver to receive, from a serving cell, a ...

Semiconductor device package

A semiconductor device package and a lighting device including a semiconductor device package are provided. The semiconductor device package may include a substrate, a first electrode module provided on the substrate, a light emitting device provided in a first region of the first electrode module, a second electrode module electrically disconnected from the first electrode module and provided on the substrate, and an insulating reflection layer provided on a circumference of the light emitting device between the first electrode module and the second electrode module and having a polygonal shape.

APPARATUS AND METHOD FOR PROVIDING HANDOVER SUPPORT INFORMATION IN MOBILE COMMUNICATION SYSTEM

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station (MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS. 1. A method for operating a serving base station (BS) in a mobile communication system , the method comprising:generating a message including first information indicating a time to trigger (TTT) for at least one first neighbor cell and an alternative TTT for at least one second neighbor cell, and second information indicating at least one list of the at least one second neighbor cell;transmitting, to a mobile station, the message; andreceiving, from the mobile station, a measurement report for at least one of the at least one first neighbor cell or the at least one second neighbor cell,wherein the alternative TTT is used for the at least one second neighbor cell instead of the TTT, andwherein the second information further includes a physical cell identifier range indicating a range of physical cell identities in the at least one list.2. A serving base station (BS) in a mobile communication system , the serving BS comprising:a transceiver; and generate a message including first information indicating a time to trigger (TTT) for at least one first neighbor cell and an alternative TTT for at least one second neighbor cell, and second information indicating at least one list of the at least one second neighbor cell,', 'transmit, to a mobile station, the message, and', 'receive, from the mobile station, a measurement report for at least one ...

DEVICE AND METHOD FOR PERFORMING PRECODING IN WIRELESS COMMUNICATION SYSTEM USING MASSIVE ANTENNA

The disclosure is related to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The disclosure is related to a precoding/beamforming using a massive antenna. A method for operating a base station in a wireless communication system includes transmitting vertical reference signals and horizontal reference signals that are generated based on an interference relation between terminals, receiving long-term channel information determined by using the vertical reference signals and the horizontal reference signals, transmitting group-specific reference signals beamformed by a first beamformer generated based on the long-term channel information, receiving short-term channel information determined by using the group-specific reference signals, and transmitting a data signal beamformed by a second beamformer generated based on the short-term channel information. 1. A method for operating a base station in a wireless communication system , the method comprising:transmitting vertical reference signals and horizontal reference signals that are generated based on an interference relationship between terminals;receiving long-term channel information determined by using the vertical reference signals and the horizontal reference signals;transmitting reference signals beamformed by a first beamformer generated based on the long-term channel information;receiving short-term channel information determined by using the beamformed reference signals; andtransmitting a data signal beamformed by a second beamformer generated based on the short-term channel information.2. The method of claim 1 , further comprising receiving claim 1 , from another base station claim 1 , long-term channel information for a serving terminal of the another base station for cooperative communication with the another base station.3. The method of claim 1 , further comprising ...

Apparatus and method for providing handover support information in mobile communication system

An apparatus and method for providing handover support information in a mobile communication system are provided. A method for an Base Station (BS) to provide information necessary for measurement report trigger performance to a Mobile Station(MS) after the MS determines neighboring BSs in a mobile communication system includes, in a case where the MS is an active mode MS, providing a Time To Trigger (TTT) independently by a specific neighboring BS to the active mode MS and, in a case where the MS is an idle mode MS, providing a reselection time period (Treselection) independently by the specific neighboring BS to the idle mode MS.

Method and apparatus for identifying types and access modes of neighbor cells in femtocell environment

In a mobile communication system including macro cells and femtocells, a neighbor cell identification methodincludes: transmitting, by a neighbor cell that is a macro cell or a femtocell, a neighbor cell identifier containing information regarding the type and access mode of the neighbor cell to a user equipment. The user equipment identifies, after receiving the neighbor cell identifier the type and access mode of the neighbor cell. The user equipment also accesses the neighbor cell according to the identification result.

Apparatus and method for transmitting system information block in a broadband wireless communication system

An operation method of the femto BS includes configuring a subframe set including at least two types of subframes among subframes having predefined different structures, and, if a duration of a subframe carrying the subframe set arrives, transmitting one of the subframes included in the subframe set according to predefined order. The subframes having the predefined different structures include a first type subframe including a synchronization signal and a Master Information Block (MIB), a second type subframe including the synchronization signal, a third type subframe including the synchronization signal and system information, a fourth type subframe including the synchronization signal, the MIB, and the system information, and a fifth type subframe including the system information.

Apparatus and method for providing handover support information in mobile communication system

Semiconductor device package