Patent application number | Description | Published |
20100002653 | Method for handoff during connected mode of a multimode mobile station in a mixed deployment - Methods for handoff of a multimode mobile station (MS). The MS, in connected mode, moves from a cell of a legacy base station to a cell of an ABS and scans base stations from a list of neighbouring base stations, wherein at least the ABS is listed as another legacy base station in the list of neighbouring base stations. The MS performs the handoff to connect to a legacy zone of the ABS. Further, the multimode MS switching from the legacy zone of the ABS to a advanced zone of the ABS based on a Zone Switch request or command is triggered by either the multimode MS or the ABS. The Zone Switch request is triggered after detecting capabilities of either the multimode MS or the ABS that they support advanced zone. The capabilities are detected by using MAC versions of the multimode MS and the ABS or an indicator for the advanced zone. The multimode MS can also performs handoff to the advanced zone from the cell of the legacy base station by receiving one or more information for ranging in the advanced zone from the ABS during the handoff. | 01-07-2010 |
20100050041 | APPARATUS AND METHOD FOR GENERATING AUTOMATIC REPEAT REQUEST (ARQ) FEEDBACK MESSAGE IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for generating an Automatic Repeat reQuest (ARQ) feedback message in a wireless communication system are provided. A method for generating an ARQ feedback message at a receiving end in a wireless communication system includes, generating first ARQ feedback information of a first scheme, the first ARQ feedback information comprising information of a first erroneous ARQ block of one or more ARQ blocks for which the ARQ feedback is not performed, generating second ARQ feedback information of a second scheme indicative of error of at least one ARQ block not represented in the first ARQ feedback information, generating an ARQ feedback message comprising the first ARQ feedback information and the second ARQ feedback information, and transmitting the ARQ feedback message to a transmitting end. | 02-25-2010 |
20100128741 | METHOD AND SYSTEM FOR CONFIGURING A MEDIA ACCESS CONTROL HEADER TO REDUCE A HEADER OVERHEAD - A method and system for configuring a media access control header to reduce a header overhead is provided. The method includes establishing a connection between a transmitter and a receiver. The method also includes determining a size of a length field in the MAC header of a MAC protocol data unit (PDU) of the connection based on one or more parameters. The method further includes transmitting the MAC PDU to the receiver. The system includes a transmitter to determine a size of a length field of the media access control (MAC) header based on one or more parameters and to transmit a MAC protocol data unit (PDU) having the MAC header to a receiver. The system also includes the receiver to receive the MAC PDU and to determine the size of the length field in the MAC header based on a connection identifier in the MAC header. | 05-27-2010 |
20100214986 | METHOD AND SYSTEM FOR MANAGING CONNECTION PAYLOAD INFORMATION IN MEDIUM ACCESS CONTROL PROTOCOL DATA UNIT - A method and system for encoding connection payload information of a plurality of connection payloads in a Medium Access Control (MAC) Protocol Data Unit (PDU) are provided. The method includes encoding connection payload information of a first connection payload from the plurality of connection payloads in a first header of the MAC PDU. The method also includes encoding connection payload information of each of a second set of connection payloads from the plurality of connection payloads in a second header of the MAC PDU, wherein the second set of connection payloads includes the plurality of connection payloads excluding the first connection payload. Further, the method sends the MAC PDU with encoded information. Thereafter, the method also includes a procedure to decode connection payload information of a plurality of connection payloads from a Medium Access Control (MAC) Protocol Data Unit (PDU). | 08-26-2010 |
20110002347 | METHOD AND SYSTEM FOR ENCODING AND DECODING MEDIUM ACCESS CONTROL LAYER PACKET - A method and system for encoding and decoding Medium Access Control (MAC) Protocol Data Units (PDUs) in a MAC layer packet is provided. The method includes receiving a request from a Physical (PHY) layer to transmit the MAC layer packet, wherein the MAC layer packet is transmitted in a predefined number of bytes that is determined in the PHY layer, and filling unfilled portion in the MAC layer packet with at least one fixed pattern in a predefined pattern set when a number of bytes that are unfilled is equal to or greater than 1. The unfilled portion includes total number of bytes that are unfilled in the MAC layer packet. Thereafter, the unfilled portion of the MAC layer packet is filled with a predefined pattern set when the number of predefined bytes is greater than the cumulative size of the available MAC PDUs arranged in the MAC layer packet. | 01-06-2011 |
20110004800 | Method and system for transmitting and receiving management message in communication network - A method for transmitting management message by a transmitting device in a communication network includes receiving a management message that is to be transmitted in the communication network. The transmitting device determines whether a feedback is required for the management message when the management message is transmitted in the communication network. The transmitting device also includes a feedback request information in a Medium Access Control (MAC) Protocol Data Unit (PDU) including a last fragment of the management message. The management message can be transmitted in one or more MAC PDUs and can be divided into one or more fragments. The transmitting device also transmits the MAC PDU indicating the feedback request information. | 01-06-2011 |
20110007753 | METHOD AND SYSTEM FOR ENCODING AND DECODING LENGTH OF MEDIUM ACCESS CONTROL PROTOCOL DATA UNIT - A method and system for encoding the length of a Medium Access Control (MAC) Protocol Data Unit (PDU) is provided. The method includes partitioning the length of the MAC PDU into a first part and a second part when the length of the MAC PDU is greater than a first predefined value, encoding the first part in a first header of the MAC PDU, encoding the second part in a second header of the MAC PDU, encoding the length of the MAC PDU in a first header of the MAC PDU when the length of the MAC PDU is less than or equal to first predefined value, and transmitting the MAC PDU with the encoded length of the MAC PDU to a receiving communication device. In another embodiment, the invention includes a method and apparatus for decoding an encoded length of a MAC PDU. | 01-13-2011 |
20110161767 | APPARATUS AND METHOD OF COMMUNICATING AUTOMATIC REPEAT REQUEST (ARQ) FEEDBACK IN A WIRELESS COMMUNICATION NETWORK - A method and device for communicating ARQ feedback in wireless communication networks. An ARQ block whose transmission is in progress is determined upon occurrence of an event at a receiving device. ARQ feedback is generated that indicates the ARQ blocks whose transmission is in progress. Further, the ARQ feedback is sent to a device transmitting the ARQ feedback. | 06-30-2011 |
20110268031 | SYSTEM AND METHOD OF ENCODING AND DECODING CONTROL INFORMATION IN A MEDIUM ACCESS CONTROL PROTOCOL DATA UNIT - Methods and apparatuses are provided for transmitting and receiving a MAC PDU. The MAC PDU including a MAC header, an extended header group and a payload is generated. The MAC PDU is transmitted to a receiving device. The extended header group includes a first field that indicates whether at least one extended header is included in the extended header group, and a second field that indicates a length of the extended header group. | 11-03-2011 |
20130003676 | METHOD AND SYSTEM FOR IDENTIFYING SUBSCRIBER STATIONS IN MACHINE TO MACHINE COMMUNICATION - A method and apparatus identify a subscriber station during a bandwidth request procedure. In one embodiment, a method of identifying a subscriber station from a quick access message includes receiving the quick access message from the subscriber station connected to a base station, where the quick access message includes a station identifier (STID) and a bandwidth request (BR) index assigned to the subscriber station. The method also includes determining whether the STID in the quick access message is assigned to multiple subscriber stations. Furthermore, the method includes identifying a subscriber station associated with the quick access message using the BR index in conjunction with the STID if the STID is assigned to the multiple subscriber stations. Moreover, the method includes performing an action identified by the BR index for the identified subscriber station in response to the quick access message. | 01-03-2013 |
20130201977 | METHOD AND SYSTEM FOR ASSIGNING ADDRESSES TO SUBSCRIBER STATIONS IN A WIRELESS COMMUNICATION ENVIRONMENT - A system and a method for assigning addresses to subscriber stations in a wireless communication environment are provided. The method includes receiving a request to register with a wireless communication network from a subscriber station, assigning a unicast address and at least one specific time duration to a subscriber station for communication with a network entity in the wireless communication network during registration process, and communicating the unicast address and the at least one specific time duration to the subscriber station, wherein the assigned unicast address is valid for the subscriber station during the at least one specific time duration. | 08-08-2013 |
20130250973 | METHOD AND SYSTEM FOR ENCODING AND DECODING LENGTH OF MEDIUM ACCESS CONTROL PROTOCOL DATA UNIT - A method and system for encoding the length of a Medium Access Control (MAC) Protocol Data Unit (PDU) is provided. The method includes partitioning the length of the MAC PDU into a first part and a second part when the length of the MAC PDU is greater than a first predefined value, encoding the first part in a first header of the MAC PDU, encoding the second part in a second header of the MAC PDU, encoding the length of the MAC PDU in a first header of the MAC PDU when the length of the MAC PDU is less than or equal to first predefined value, and transmitting the MAC PDU with the encoded length of the MAC PDU to a receiving communication device. In another embodiment, the invention includes a method and apparatus for decoding an encoded length of a MAC PDU. | 09-26-2013 |
20130272199 | METHOD AND APPARATUS FOR COMMUNICATING DATA PACKETS IN A CLOUD CELL - The present disclosure provides a method and apparatus for communicating data packets in a cloud cell. In one embodiment, a network node from which data packets are received is identified by the BS. If the data packets are received from a data gateway, a network node to which the data packets to be sent is identified. If the data packets are to be sent to a slave BS, partial processing, is performed on the data packets by the master BS. Furthermore, partially processed data packets are transmitted to the slave BS so that the slave BS performs complete processing on the partially processed data packets and transmits the completely processed data packets to the MS. If the data packets are to be sent to the MS, then complete processing of the data packets is performed by the BS and transmitted to the MS. | 10-17-2013 |
20130295945 | SYSTEM AND METHODS FOR ADDRESSING MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - In wireless communication system each MS is assigned a globally unique address. The method and system use one of these globally unique addresses to identify the MS. The efficient method of signaling this large size MS address (MS ID) is proposed. The ‘n’ bit MS ID is divided into ‘p’ parts wherein ‘p’ is greater than 1. The MS is addressed or identified using ‘x’ parts from a set of ‘p’ parts of MS ID, wherein ‘x’<=‘p’. Further, methods to determine and signal the number of parts i.e. value of ‘x’ and which ‘x’ parts out of ‘p’ parts to be used for addressing is also proposed. The decision to determine the number of parts i.e. value of ‘x’ and which ‘x’ parts out of ‘p’ parts to be used for addressing the MS may be static, semi static or dynamic. | 11-07-2013 |
20130336486 | METHOD AND SYSTEM FOR SECURING CONTROL PACKETS AND DATA PACKETS IN A MOBILE BROADBAND NETWORK ENVIRONMENT - The present invention provides a method and an apparatus for securing data packets and control messages in a mobile broadband network environment. In one embodiment, a mobile station and a data gateway are peers for securing data packets. That is, security context for data packets is maintained at the mobile station and the data gateway. Further, security processing for data packets is performed by the mobile station and the data gateway. In another embodiment, the mobile station and a base station are peers for securing control messages. That is, security context for control messages is maintained at the mobile station and the base station(s). Further, security processing for control messages is performed by the mobile station and the base station(s). | 12-19-2013 |
20140036766 | METHOD AND SYSTEM FOR GENERATING AND PROCESSING MEDIUM ACCESS CONTROL PACKET DATA UNITS IN A BROADBAND WIRELESS NETWORK ENVIRONMENT - The present invention provides a method and system for generating and processing medium access control (MAC) protocol data units (PDUs) in a broadband wireless network environment. In one embodiment, a method includes determining whether a MAC service data units (SDUs) intended for a receiving device includes fragmented MAC SDU(s). The method also includes generating MAC PDU(s) from the fragmented MAC SDU(s) when the MAC SDUs includes fragmented MAC SDU(s), where each MAC PDU includes a single fragmented MAC SDU. The method further includes determining whether unfragmented MAC SDU(s) in the MAC SDUs satisfy pre-defined criteria. If the unfragmented MAC SDU(s) satisfy the predefined criteria, the method includes generating MAC PDU(s) from the unfragmented MAC SDU(s), where each MAC PDU includes multiple unfragmented MAC SDUs. Otherwise, the method includes generating MAC PDU(s) from the unfragmented MAC SDU(s), where each MAC PDU includes a single unfragmented MAC SDU. | 02-06-2014 |
20140044065 | METHOD AND APPARATUS OF BEARER GROUPING FOR DATA TRANSMISSION IN A BROADBAND WIRELESS NETWORK - A method for grouping bearers for data transmission by a Base Station (BS) in a wireless communication network are provided. The method includes sending a bearer request to a data gateway, and receiving a bearer response from the data gateway with parameters associated with grouping of the bearers. | 02-13-2014 |
20140064216 | METHOD AND APPARATUS FOR COMMUNICATING DOWNLINK CONTROL INFORMATION IN AN ASYMMETRIC MULTICARRIER COMMUNICATION NETWORK ENVIRONMENT - A method for communicating Downlink Control Information (DCI) in an asymmetric multicarrier communication network environment, the method comprising: determining a carrier type corresponding to DCI to be transmitted to a mobile station from a plurality of carrier types, encoding the DCI in a DCI format, wherein the DCI format comprises a set of fields corresponding to the determined carrier type, and transmitting the DCI encoded in the DCI format to the mobile station through a downlink control channel on a primary carrier, wherein the DCI format comprises a carrier index field indicating type of the fields in the DCI format encoding the DCI and the carrier type corresponding to the encoded DCI. | 03-06-2014 |
20140071961 | METHOD AND SYSTEM FOR SIGNALLING RESOURCE ALLOCATION INFORMATION IN AN ASYMMETRIC MULTICARRIER COMMUNICATION NETWORK - A method and system signal resource allocation information in an asymmetric multicarrier communication network. A MS communicates with a BS using asymmetric carriers consisting of at least one low frequency carrier (e.g., primary carriers) in a cellular band and at least one high frequency carrier (e.g., secondary carriers) in a millimeter Wave band. In one embodiment, the BS allocates resources for one or more transmit time intervals in at least one of DL allocation interval of a secondary DL carrier and UL allocation interval of a secondary UL carrier for the MS, where the DL allocation interval spans one or more subframes of the secondary DL carrier and the UL allocation interval spans one or more subframes of the secondary UL carrier. The BS then transmits information regarding the allocated resources to the MS in a Packet Data Control Channel region of a subframe of the primary DL carrier. | 03-13-2014 |
20140086165 | METHOD AND SYSTEM SWITCHING AND SYNCHRONIZING GRANT INTERVALS IN ADAPTIVE GRANT AND POLLING SERVICE - An apparatus and a method for switching and synchronizing parameters of an adaptive granting and polling service in a wireless network are provided. The method includes determining a switching of parameter sets from a primary Quality of Service (QoS) parameter set to a secondary QoS parameter set by a Mobile Station (MS), transmitting a first switching request to a Base Station (BS) in order to switch the parameter sets, transmitting a second switching request as an explicit switching request along with scheduling interval synchronization information to the BS if the sending of the first switching request has failed, determining a starting frame number for grants corresponding to parameters of the secondary QoS parameter set upon receiving the retransmitted switching request from the MS, transmitting the grants from the determined starting frame number to the MS, and receiving the grants from the BS. | 03-27-2014 |
20140146834 | METHOD AND SYSTEM FOR DYNAMICALLY CHANGING UPPER BOUND ON DATA PACKET SIZE IN WIRELESS COMMUNICATION NETWORKS - The present invention provides a method and system for dynamically changing upper bound on size of data packets. In one embodiment, a transmitting device determines a need to change existing negotiated maximum size for an active connection when size of data packets for an application is switched, a new application is mapped to the active connection or Maximum Transmission Unit (MTU) of broadband wireless network is changed. Then, the transmitting device sends a request message indicating a new negotiated maximum size for changing the existing negotiated maximum size to the receiving device. The receiving device sends a response message confirming change to the new negotiated maximum size to the transmitting device. Accordingly, the transmitting device and the receiving device uses the new negotiated maximum size for building data packets and decoding the received data packets respectively based on a predefined parameter (e.g., sequence number/action time) indicated in the request/response message. | 05-29-2014 |
20140247744 | METHOD AND SYSTEM FOR SIGNALING AND PROCESSING CONTROL INFORMATION IN A MOBILE BROADBAND NETWORK ENVIRONMENT - A method and a system for signaling and processing control information in a cloud cell environment are provided. According to an embodiment, in a cloud cell, a master Base Station (BS) coordinates with other BSs to determine resources available for use on communication links between a mobile station in the cloud cell and one or all the BSs during a scheduling interval. Based on the resources available, the master BS allocates cumulative resources associated with the BSs to the mobile station for the scheduling interval. Then, the master BS transmits resource allocation control information indicating the allocated cumulative resources to the mobile station over a communication link between the master BS and the mobile station. Upon receiving the resource allocation control information, the mobile station decodes the information and receives data packets from each of the BSs during the scheduling interval according to the decoded resource allocation control information. | 09-04-2014 |
20140269518 | MACHINE TO MACHINE COMMUNICATIONS IN A MULTIPLE M2M DEVICE GROUP ZONE ENVIRONMENT - A method and a system apparatus for providing Machine to Machine (M2M) communications in a multiple M2M device group zone environment are provided. The method for performing communication by an M2M device in an M2M communication system includes determining zone indexes corresponding to one or more zone identifiers assigned to one or more M2M device group zones of the base station, selecting a zone index corresponding to a zone identifier of the M2M device group zone associated with a M2M device group of a M2M device from the determined zone indexes, and performing communication with the base station by using the selected zone index and a M2M device group identifier associated with the M2M device group of the M2M device. | 09-18-2014 |
20140286254 | APPARATUS AND METHOD FOR ACQUIRING SYNCHRONIZATION IN COOPERATIVE COMMUNICATION SYSTEM - A method for acquiring synchronization by a serving Base Station (BS) in a cooperative communication system includes performing a Medium Access Control Service Data Unit (MAC SDU) synchronization process with a data Gate Way (GW) and at least one cooperative communication cell member BS, determining a first Internet Protocol (IP) packet which is received by the at least one cooperative communication cell member BS after performing the MAC SDU synchronization process, and performing an IP packet transfer operation with the data GW and the at least one cooperative communication cell member BS based on whether at least one IP packet of which a Sequence Number (SN) is less than an SN of the first IP packet is buffered. The other embodiments with respect to serving base stations, data GWs, and cooperative communication cell member BSs are also disclosed. | 09-25-2014 |
20140317314 | METHOD AND APPARATUS FOR ASSIGNING A LOGICAL ADDRESS IN A COMMUNICATION SYSTEM - A method and a system for assigning a unique logical address to a mobile station in a cloud cell are provided. The method includes selecting, by the master base station, a unique logical address from an associated set of addresses, wherein the set of addresses is a subset of a common address space, and assigning the unique logical address to the mobile station so that the mobile station and each of the plurality of base stations communicate in the cloud cell using the assigned unique logical address. | 10-23-2014 |
20140321375 | METHOD AND SYSTEM FOR ACQUIRING HIGH FREQUENCY CARRIER IN A WIRELESS COMMUNICATION NETWORK - A method and system for acquiring mmWave carrier in a wireless communication network is disclosed. In one embodiment, an MS acquires a low frequency carrier and then acquires the high frequency carrier. Since the low frequency carrier and the high frequency carrier are transmitted by same BS, the BS provides assistance information on the acquired low frequency carrier to the MS to acquire a synchronization signal which is transmitted on a high frequency carrier using beamforming. The assistance information includes synchronization signal beam time slots, synchronization signal beams which the MS needs to search, beam ID and so on. Based on the assistance information, the MS monitors the high frequency carrier to search and acquire the synchronization beam signal transmitted on the high frequency carrier. The MS determines the beam ID of the received synchronization beam signal and reports to the BS on the low frequency carrier. | 10-30-2014 |
20140341112 | SYSTEM AND METHOD FOR IP SESSION CONTINUITY IN DEVICE-TO-DEVICE COMMUNICATION SYSTEM - A method for performing, by a User Equipment (UE), Device-to-Device (D2D) communication using a wireless communication network is provided. The method includes performing D2D communication via a direct communication path using an allocated Internet Protocol (IP) address, establishing a first Evolved Packet System (EPS) bearer supporting D2D communication via the wireless communication network, to a Packet Data Network (PDN) Gateway (P-GW), determining to switch from the direct communication path to D2D communication via the wireless communication network, and communicating an IP packet through the first EPS bearer based on the determination. An IP packet transmitted through the first EPS bearer may not be transmitted to a packet data network, or an IP packet received through the first EPS bearer is not received from the packet data network. | 11-20-2014 |
20140351446 | ELECTRONIC DEVICE USING LOGICAL CHANNELS FOR COMMUNICATION - An apparatus and method for providing one or more protocols for one or more electronic devices are provided. The method includes establishing, by an electronic device configured to provide a framework interface by executing instructions stored in a memory, one or more physical channels with an external electronic device, using one or more communication modules, executing, by the electronic device, two or more application programs to interface with the framework interface, and communicating, via the framework interface, data from the two or more application programs through the one or more physical channels to the external electronic device, using at least one logical channel or session for a respective one of the two or more application programs. | 11-27-2014 |
20140351832 | ELECTRONIC DEVICE USING FRAMEWORK INTERFACE FOR COMMUNICATION - An apparatus and method for providing one or more protocols for one or more electronic devices are provided. The method includes establishing, by an electronic device configured to provide a framework interface by executing instructions stored in a memory, one or more physical channels with an external electronic device, using one or more communication modules, executing, by the electronic device, two or more application programs to interface with the framework interface, and communicating, via the framework interface, data from the two or more application programs through the one or more physical channels to the external electronic device, using at least one logical channel or session for a respective one of the two or more application programs. | 11-27-2014 |
20140372758 | METHOD AND SYSTEM FOR SECURED COMMUNICATION OF CONTROL INFORMATION IN A WIRELESS NETWORK ENVIRONMENT - A method and system for securely communicating control information in a wireless network environment is provided. When a transmitting station has to transmit control information to a receiving station, the transmitting station determines whether the control information belongs to first type or second type. If the control information is the second type of control information, the transmitting station secures the second type of control information using a counter value, a Cipher based Message Authentication Code (CMAC) value and security keys computed for protecting the second type of control information. Upon securing the control information, the transmitting station transmits the secured control information to a receiving station. | 12-18-2014 |
20140376458 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES FOR D2D COMMUNICATION - A method for allocating resources for Device-to-Device (D2D) communication in a transmitting terminal is provided. The method includes receiving broadcast resource allocation information for the D2D communication from a Base Station (BS), and measuring a channel quality of a downlink signal received from the BS and, if the measured channel quality is smaller than a predetermined threshold, conducting the D2D communication using the resource allocation information. | 12-25-2014 |
20150208421 | DEVICE TO DEVICE COMMUNICATION METHOD AND APPARATUS - A device to device (D2D) communication apparatus and method are provided. The D2D communication apparatus includes a transceiver configured to receive resource configuration information indicating D2D resources configured in a serving cell from a base station (BS) of the serving cell, and a controller configured to determine locations of resources for transmission or reception of signals for D2D communication based on the resource configuration information. The resource configuration information includes information about length of common D2D resources configured in a plurality of cells and additional D2D resources configured in the serving cell and information about length of common and additional D2D resources of a cell that configures maximum-sized additional D2D resources among the serving cell and neighboring cells. | 07-23-2015 |
20150208440 | APPARATUS AND METHOD FOR AVOIDING COLLISION BETWEEN RANDOM ACCESS TRANSMISSION AND DEVICE TO DEVICE TRANSMISSION IN COMMUNICATION SYSTEM SUPPORTING DEVICE TO DEVICE SCHEME - A method for avoiding a collision between a device to device (D2D) transmission and a random access transmission by a user equipment (UE) in a communication system supporting a D2D scheme is provided. The method includes detecting resource configuration information related to a random access transmission and resource configuration information related to a D2D transmission, determining a result on whether a resource in which a D2D resource which corresponds to the resource configuration information related to the D2D transmission is included includes a random access resource which corresponds to the resource configuration information related to the random access transmission, and avoiding using the resource or the random access resource for the D2D transmission based on the determined result. | 07-23-2015 |
20150215082 | METHOD AND SYSTEM FOR PERFORMING HYBRID AUTOMATIC REPEAT REQUEST OPERATION IN AN ASYMMETRIC MULTICARRIER COMMUNICATION NETWORK ENVIRONMENT - The present invention provides a method and system for performing Hybrid Automatic Repeat Request (HARQ) operation in an asymmetric multicarrier communication network environment. In one embodiment, a method includes receiving resource allocation information from a base station in a scheduling interval of a first carrier, where the resource allocation information indicates resources and transmit time interval in an uplink allocation interval. The method includes transmitting the HARQ packet to the base station in the transmit time interval of the uplink allocation interval on the second carrier if the transmit time interval corresponds to a first partition of the uplink allocation interval. If the transmit time interval corresponds to a second partition of the uplink allocation interval, the method further includes transmitting the HARQ packet to the base station in the transmit time interval of the uplink allocation interval on the second carrier according to a second type of HARQ process. | 07-30-2015 |
20150270932 | METHOD AND APPARATUS FOR PERFORMING HYBRID AUTOMATIC REPEAT REQUEST OPERATION IN AN ASYMMETRIC MULTICARRIER COMMUNICATION NETWORK ENVIRONMENT - The present invention provides a method and system for performing Hybrid Automatic Repeat Request (HARQ) operation in an asymmetric multicarrier communication network environment. In one embodiment, a method includes receiving resource allocation information from a base station. The method also includes transmitting the HARQ packet to the base station in a transmit time interval (TTI) corresponding a first or second partition of an uplink allocation interval on a second carrier. The method further includes receiving HARQ feedback information corresponding to a previous HARQ packet transmission. Furthermore, the method includes determining a TTI in a subsequent uplink allocation interval based on the partition of the uplink allocation interval in which the HARQ packet is transmitted if the HARQ feedback information indicates negative acknowledgement. Moreover, the method includes transmitting the HARQ packet to the base station in the determined transmit time interval of the subsequent uplink allocation interval on the second carrier. | 09-24-2015 |
20150271870 | APPARATUS AND METHOD FOR MONITORING D2D TRANSMISSION IN CONNECTED STATE - A method and an apparatus for monitoring device-to-device (D2D) transmission in a connected state in a communication system supportive of a D2D scheme are provided. The method includes monitoring, by a D2D user equipment (UE), a D2D transmission during a D2D resource cycle and a discontinuous reception (DRX) cycle in a radio resource control (RRC) state, transmitting an indication including a capability of the UE to a base station, and reestablishing an RRC connection from the base station, wherein the D2D resource cycle and the DRX cycle are configured not to overlap each other based on the indication. | 09-24-2015 |
20150282146 | METHOD AND APPARATUS FOR PERFORMING UPLINK HYBRID AUTOMATIC REPEAT REQUEST OPERATION IN AN ASYMMETRIC MULTICARRIER COMMUNICATION NETWORK ENVIRONMENT - The present invention provides a method and apparatus for performing an uplink Hybrid Automatic Repeat Request (HARQ) operation in an asymmetric multicarrier communication network environment. In one embodiment, a method includes transmitting a HARQ packet to a base station in a transmit time interval of one of a plurality of partitions of an uplink allocation interval on a first carrier by a mobile station. Then, the method includes determining a partition of the uplink allocation interval in which the HARQ packet is transmitted, and determining a HARQ feedback region in the subsequent downlink subframe corresponding to the determined partition. The method further includes receiving HARQ feedback information in the determined HARQ feedback region in the subsequent downlink subframe on a second carrier from the base station. | 10-01-2015 |
20150312960 | APPARATUS AND METHOD FOR MANAGING RADIO RESOURCE CONTROL CONNECTION IN WIRELESS COMMUNICATION SYSTEM SUPPORTING DEVICE TO DEVICE SCHEME - A method to manage a Radio Resource Control (RRC) connection in an evolved NodeB (eNB) in a wireless communication system supporting a Device to Device (D2D) scheme is provided. The method includes starting an inactivity timer to control a User Equipment (UE) to transition into an RRC idle state after setting up an RRC connection with the UE. The method also includes allocating a D2D resource to the UE when a resource request message to request the D2D resource for a direct communication between UEs is received from the UE. The method further includes transmitting a resource response message including information related to the allocated D2D resource to the UE and stopping the inactivity timer. The method includes releasing the allocated D2D resource and restarting the inactivity timer based on a predetermined option. | 10-29-2015 |