Patent application number | Description | Published |
20090177937 | METHOD FOR RESOURCE ALLOCATION FOR HYBRID-AUTOMATIC REPEAT REQUEST - A resource allocation method for a HARQ is disclosed. This resource allocation method includes, transmitting an MAP message having specific information indicating whether or not a differential allocation is supported, storing MAP information contained in the MAP message during a predetermined frame, and upon receiving an NACK message during the predetermined frame, transmitting sub-burst information having differential allocation information related to sub-bursts to be retransmitted. If there are a large amount of HARQ traffics, each embodiment of the present invention transmits only differential information on the basis of MAP information of the initial MAP message when HARQ sub-bursts is retransmitted. | 07-09-2009 |
20090209273 | METHOD OF TRANSMITTING AND RECEIVING A PAGING MESSAGE IN A MOBILE COMMUNICATION SYSTEM - A method of transmitting and receiving a paging message in a mobile communication system is disclosed, by which the power saving effect can be enhanced in a manner of minimizing unnecessary wake-up, decoding and demodulation of a terminal by informing the terminal of a location of a frame to receive before a base station sends a paging message. An embodiment of the present invention comprises transmitting a signal including location information of the paging message for a specific terminal between paging listening intervals to the terminal and transmitting the paging message to the terminal for the paging listening interval. | 08-20-2009 |
20100111015 | Method for transmitting downlink control messages in cellular system - A method for transmitting control messages is disclosed. The method includes grouping a plurality of control messages for at least one user equipment based on at least one criteria of whether or not uplink ACK/NACK channel indexes are allowed to be implicitly used in the control messages, whether or not the user equipment corresponding to the control messages is able to implicitly use the uplink ACK/NACK channel indexes, sizes of Information Elements (IEs) of the control messages, whether or not the control messages are segmented into a predetermined number of subblocks, MCS levels applied to the control messages, sizes of allocated IEs of the control messages after applying the MCS levels, and frequency partitions in which the IEs of the control messages are present, and transmitting the grouped control messages. The control messages included in each of the groups generated by grouping are equal in at said least one criteria. | 05-06-2010 |
20100113047 | Method for informing user equipment of downlink control message construction information in cellular system - A method for transmitting control messages from a base station to a user equipment in a cellular system is disclosed. The method includes grouping a plurality of control messages for at least one user equipment based on at least one criteria of whether or not uplink ACK/NACK channel indexes are allowed to be implicitly used in the control messages, whether or not the user equipment corresponding to the control messages is able to implicitly use the uplink ACK/NACK channel indexes, sizes of Information Elements (IEs) of the control messages, whether or not the control messages are segmented into a predetermined number of subblocks, MCS levels applied to the control messages, sizes of allocated IEs of the control messages after applying the MCS levels, and frequency partitions in which the IEs of the control messages are present, and transmitting the grouped control messages. | 05-06-2010 |
20100172325 | METHOD FOR PERFORMING ZONE SWITCHING IN BROADBAND WIRELESS ACCESS SYSTEM - A device, system and method for performing zone switch based handover in a legacy serving base station by an advanced mobile station (AMS), the method including receiving a ranging response (RNG-RSP) message including a zone switching TLV parameter necessary to perform zone switching to an advanced mobile station support zone (MZone) from a legacy zone (LZone) of a target advanced base station (ABS), and requesting a bandwidth for transmitting an advanced air interface ranging request (AAI_RNG-REQ) message to the MZone using the zone switching TLV parameter. | 07-08-2010 |
20100177831 | METHOD FOR RECEIVING SYSTEM INFORMATION - A method for a mobile station (MS) to acquire system information of other communication systems via an initial entry communication system in which the mobile station (MS) initially enters via a base station (BS) is disclosed. The BS can deliver system information using a message transmitted to the MS at each frame or at intervals of a periodic time. In other words, the BS delivers specific information indicating whether the system is supported or not in a message. If the system is supported, the BS transmits a message including the system information to the MS. During or after the initial entry, the BS may deliver the system information using messages communicated with the MS. Namely, the BS can voluntarily or on the MS′ demand transmit a message including the system information to the MS indicating whether the system is supported. | 07-15-2010 |
20100208684 | METHOD OF ALLOCATING RADIO RESOURCE IN BROADBAND WIRELESS ACCESS SYSTEM - A method for allocating resource regions in a wireless access system is provided. This method collectively allocates resources of consecutive frames. Specifically, a message, including allocation information used to collectively and consecutively allocate identical resource regions, is received from a base station and data is transmitted through the allocated resource regions. Unlike the conventional method, a resource region is not allocated in each frame but instead identical resource regions are allocated in multiple frames, thereby reducing MAP overhead in a network. | 08-19-2010 |
20100215002 | METHOD FOR TRANSMITTING SIGNALS, METHOD FOR ALLOCATING RESOURCE AND METHOD FOR CONSTRUCTING UPLINK MAP FOR THE SAME - A method for a Base station (BS) to allocate resources to terminals in a broadband wireless access system, a method for transmitting signals of a terminal, and a method for constructing an uplink MAP for the same are provided. Start position information of each allocated region may be included in uplink resource allocation information or information indicating the position of a region dedicated to VoIP traffic may be included in an uplink MAP. The uplink MAP may include separate resource allocation information for VoIP services. Through this resource allocation, the terminal can efficiently transmit uplink signals (specifically, VoIP signals). | 08-26-2010 |
20110002293 | METHOD FOR ALLOCATING CONTROL CHANNEL - A method for allocating a submap is disclosed. The method includes configuring a subframe including one or more resource areas according to a size of the submap, allocating the submap and a control header including subframe configuration information and submap information to the one or more resource areas, and transmitting the control header. | 01-06-2011 |
20110013573 | METHOD FOR REQUESTING BANDWIDTH IN A WIRELESS ACCESS SYSTEM - A method for requesting a bandwidth in a wireless access system is disclosed. In the method for requesting a bandwidth in a wireless access system, when a base station receives an uplink MAC PDU from a mobile station, if there is a polling request field in a generic MAC header, the base station allocates a bandwidth, which can transmit a BR header, to the mobile station. Then, the mobile station transmits a BR header to a region allocated from the base station so as to be allocated with a resource for transmitting data from the base station and to transmit data to the region. | 01-20-2011 |
20110032897 | METHOD OF ALLOCATING ACKNOWLEDGEMENT CHANNEL - Various methods for efficiently transmitting data and various methods for allocating an ACK channel in a wireless access system are disclosed. In addition, various frame structures and MAC header structures for use in allocating an ACK channel are disclosed. A method for allocating an ACK channel includes receiving first data including ACK channel position information, transmitting an ACK signal on an ACK channel indicated by the ACK channel position information, and starting an ACK channel timer. | 02-10-2011 |
20110051848 | METHOD FOR TRANSMITTING SYSTEM INFORMATION - A method for configuring system information, a method for transmitting system information, and a method for transmitting resource ratio information are disclosed. A method for receiving system information elements includes receiving a first message including a fixed-size system information element from a base station, and receiving a second message including an variable-size system information element from the base station. | 03-03-2011 |
20110110341 | METHOD FOR TRANSMITTING AND RECEIVING BROADCASTING CHANNELS - A method for transmitting and receiving a broadcast channel is disclosed. A wireless access system, a method for effectively transmitting and receiving a broadcast channel, a variety of superframe structures, and a super frame header structure are disclosed. A method for effectively receiving a broadcast channel includes receiving, by a mobile station (MS), a first broadcast channel including first information about a modulation and coding scheme (MCS) applied to a second broadcast channel, and receiving the second broadcast channel using the first information. The first broadcast channel is transmitted using a fixed modulation and coding scheme (MCS) value, and the second broadcast channel is transmitted using a variable modulation and coding scheme (MCS) value. | 05-12-2011 |
20120009934 | METHOD FOR INFORMING USER EQUIPMENT OF DOWNLINK CONTROL MESSAGE CONSTRUCTION INFORMATION IN CELLULAR SYSTEM - A method for transmitting control messages from a base station to a user equipment in a cellular system is disclosed. The method includes grouping a plurality of control messages for at least one user equipment based on at least one criteria of whether or not uplink ACK/NACK channel indexes are allowed to be implicitly used in the control messages, whether or not the user equipment corresponding to the control messages is able to implicitly use the uplink ACK/NACK channel indexes, sizes of Information Elements (IEs) of the control messages, whether or not the control messages are segmented into a predetermined number of subblocks, MCS levels applied to the control messages, sizes of allocated IEs of the control messages after applying the MCS levels, and frequency partitions in which the IEs of the control messages are present, and transmitting the grouped control messages. | 01-12-2012 |
20120147734 | APPARATUS AND METHOD FOR RETRANSMITTING DATA BASED ON HARQ SCHEME IN WIRELESS COMMUNICATION SYSTEM - A method for retransmitting data using an HARQ method and a mobile station using the same in a wireless telecommunications system are disclosed herein. When all bits of a resource index field in an uplink basic assignment A-MAP received from a base station through a specific frame are set to 1, the mobile station may not retransmit an HARQ sub-packet from an uplink subframe within the specific frame. In this case, the mobile station may retransmit an HARQ sub-packet from an uplink subframe within a frame subsequent to the specific frame. At this point, the uplink subframe and resource index of the subsequent frame respectively correspond to the subframe and resource index having the same index and resource index of an uplink subframe predetermined in association with the retransmission of the mobile station in a previous frame. The resource index corresponds to information indicating where the assigned resource is positioned within the corresponding subframe and how large the size of the assigned resource is. Alternatively, the mobile station may receive once again the uplink basic assignment A-MAP, so as to retransmit the HARQ sub-packet from an uplink subframe designated by the uplink basic assignment A-MAP. | 06-14-2012 |
20120147832 | APPARATUS AND METHOD FOR PERFORMING HARQ PROCEDURE - A apparatus and method for efficiently performing an HARQ procedure in a wireless communication system are disclosed. According to the method for performing an HARQ procedure, waste of unnecessary resources caused by continuous failure in packet transmission can be avoided, wherein the failure occurs due to the error of the uplink basic assignment A-MAP IE for retransmission. | 06-14-2012 |
20120147902 | APPARATUS AND METHODS FOR TRANSMITTING AND RECEIVING MAC PDU USING MAC HEADERS - An apparatus and methods for transmitting and receiving MAC PDU (medium access control protocol data unit) using a MAC Header are disclosed. The method includes steps of establishing, by a transmitting end with a receiving end, a connection associated with a service flow, constructing, by the transmitting end, the MAC PDU comprising a MAC header which is configured according to the connection, and transmitting the MAC PDU to the receiving end, wherein the MAC header is general MAC header (GMH) if the connection is associated with a general data packet transmission, and wherein the MAC header is short-packet MAC header (SPMH) if the connection is associated with a small data packet transmission and non-ARQ transmission. | 06-14-2012 |
20120163378 | APPARATUS FOR TRANSMITTING MAC PDU WITH A FRAGMENTATION AND PACKING EXTENDED HEADER AND METHOD THEREOF - A method of transmitting data in a transmitting stage is disclosed. The present invention includes configuring a MAC PDU (medium access control protocol data unit) including fragmented data and a fragmentation extended header (FEH) and a packing extended header (PEH) for transmitting the fragmented data and transmitting the configured MAC PDU to a receiving stage. Preferably, the FEH or the PEH includes an extended header type field indicating a type of an extended header and a fragmentation control field including information on the fragmented data. | 06-28-2012 |
20120236853 | APPARATUS FOR TRANSMITTING MAC PDU WITH A FRAGMENTATION AND PACKING EXTENDED HEADER AND METHOD THEREOF - A method of transmitting data in a transmitting stage is disclosed. The present invention includes configuring a MAC PDU (medium access control protocol data unit) including fragmented data and a fragmentation extended header (FEH) and a packing extended header (PEH) for transmitting the fragmented data and transmitting the configured MAC PDU to a receiving stage. Preferably, the FEH or the PEH includes an extended header type field indicating a type of an extended header and a fragmentation control field including information on the fragmented data. | 09-20-2012 |
20120263106 | METHOD AND APPARATUS FOR TRANSMITTING PAGING MESSAGE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting uplink (UL) data in a wireless communication system is provided. A machine-to-machine (M2M) device receives a deregistration response message including a transmission type and a maximum number of paging cycle during an idle mode entry, waits to receive a paging message for the M2M device to transmit the UL data during a period corresponding to up to (the maximum number of paging cycle×a length of paging cycle), and transmits the UL data. | 10-18-2012 |
20120269169 | METHOD FOR PERFORMING ZONE SWITCHING IN BROADBAND WIRELESS ACCESS SYSTEM - A method and mobile stations for performing a zone switch, are discussed. According to an embodiment, the method includes: receiving, at the mobile station and from a target base station configured to operate in accordance with a first and a second protocol, a ranging response message of the first protocol including zone switch parameters used to perform zone switch from a first zone of the target base station corresponding to the first protocol to a second zone of the target base station corresponding to the second protocol; and performing, at the mobile station, the zone switch from the first zone to the second zone using the zone switch parameters | 10-25-2012 |
20120287889 | METHOD OF ALLOCATING RESOURCE REGION TO REDUCE MAP OVERHEAD - A method of allocating a radio resource in a wireless access system includes transmitting, by a base station (BS) to a mobile station (MS), a MAP message comprising a persistent MAP information element, wherein the persistent MAP information element includes resource allocation information for persistently allocating a resource allocation region for communicating data with the MS and acknowledgment (ACK) information indicating an ACK transmission region; waiting for an ACK message from the MS, wherein the ACK message represents a successful reception of the persistent MAP information element; and determining that the persistent MAP information element has not been successfully received by the MS if the ACK message is not transmitted via the ACK transmission region. | 11-15-2012 |
20120320837 | METHOD FOR ALLOCATING GROUP RESOURCE IN BROADBAND WIRELESS ACCESS SYSTEM - A method of transmitting a signal from a base station to a mobile station through Group Resource Allocation (GRA) includes allocating the mobile station to any one of a plurality of groups each including one or more mobile stations, transmitting, to the mobile station, a group configuration message including one or more pieces of burst size information used in the group, to which the mobile station is allocated, and one or more pieces of resource allocation bitmap information which is differently configured according to burst sizes, and transmitting bursts to the mobile station through a resource unit indicated by the resource allocation bitmap. | 12-20-2012 |
20120322457 | METHOD AND APPARATUS FOR TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - A method of transmitting data in a wireless communication system is provided. A machine-to-machine (M2M) device transmits a first ranging request message including a M2M short message service (SMS) request indicating that the M2M device has a M2M SMS to transmit, and receives a first ranging response message including a M2M SMS response, a basic connection identifier (CID) and a temporary CID timer. If the M2M SMS request is accepted by a base station, the M2M device transmits a second ranging request message including the M2M SMS based on the basic CID, and receives a second ranging response message including a M2M SMS confirmation indicating whether the reception of the M2M SMS is successful or not by the base station. | 12-20-2012 |
20130023296 | GROUP RESOURCE ALLOCATION METHOD AND DEVICE IN WIRELESS ACCESS SYSTEM - Provided is a group resource allocation method, including: receiving, from a base station, a group configuration message containing multi-input multi-output (MIMO) mode set information for indicating an MIMO mode set, corresponding to a group containing at least one terminal; receiving, from the base station, a control message which contains resource offset information for indicating the location in the group at which resource allocation begins, control information which commands the stream index allocated to each scheduled terminal in the group, and resource allocation bitmap information for indicating the size of allocated resource for each scheduled terminal in the group; and determining the resource domain allocated by the base station, based on at least one information among the resource offset information, the control information and the resource allocation bitmap information. | 01-24-2013 |
20130039243 | METHOD AND DEVICE FOR OPERATING IN IDLE MODE - A method and device for operating in an idle mode for Machine To Machine (M2M) communication are provided. A M2M device receives a paging message from a base station. The paging message includes a M2M group identifier that identifies a M2M group to which the M2M device belongs. The M2M device monitors an uplink resource allocation beginning from an offset during a monitoring duration. | 02-14-2013 |
20130040678 | M2M EQUIPMENT, BASE STATION, AND METHOD FOR PERFORMING SCHEDULING DELAY - Disclosed are M2M equipment and base station capable of adjusting load through a scheduling delay. M2M equipment according to the present invention may comprise a receiver which receives a first message including a scheduling delay indicator directing the M2M equipment to delay transmission of uplink data from a base station, and a processor for controlling transmission of the uplink data to be delayed in response to scheduling delay direction of the first message. | 02-14-2013 |
20130070705 | METHOD FOR EFFICIENTLY PERFORMING INITIAL ACCESS IN A MULTI-CARRIER BROADBAND WIRELESS ACCESS SYSTEM - A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status. | 03-21-2013 |
20130244695 | POSITION UPDATING METHOD AND DEVICE FOR M2M COMMUNICATION - Provided are a position updating method and device for Machine To Machine (M2M) communication. An M2M device transmits a position update capability message including a mobility type and an M2M traffic type to a base station, and receives a position update capability confirmation message including a position update type from the base station. The TC device performs a position update according to the position update type. | 09-19-2013 |
20130250831 | METHOD FOR OPERATION IN IDLE MODE FOR M2M COMMUNICATION, AND DEVICE USING SAME - Provided are an operation method for M2M (machine to machine) communication and a device using same. M2M equipment receives a paging message including a resource offset for indicating an offset for uplink allocation. The M2M equipment transmits a ranging request message using the uplink allocation. | 09-26-2013 |
20130324157 | METHOD AND APPARATUS FOR LOCATION UPDATE IN A WIRELESS COMMUNICATION SYSTEM - Provided are a method and apparatus for location update in a wireless communication system. A machine-to-machine (M2M) device transmits a mobility access classifier indicating the mobility access classification of the M2M device to a first base station, and receives information on a reattachment zone indicating a list of base stations accessible by the M2M device from the first station. The M2M device transits to an idle mode, and provides a location update to a second base station based on whether or not the second M2M device has exited the reattachment zone. | 12-05-2013 |
20130336246 | APPARATUS AND METHOD FOR TRANSMITTING A MAC PDU BASED ON MAC HEADER TYPE INFORMATION - An apparatus and methods for communicating in a wireless access system using a medium access control protocol data unit (MAC PDU), the method including receiving, by a mobile station (MS) from a base station (BS), a dynamic service addition request (AAI_DSA-REQ) message requesting to create a service flow, the AAI_DSA-REQ message including a first MAC header type parameter indicating a type of a MAC header included in the MAC PDU of the service flow and a flow identifier (FID) identifying a connection associated with the service flow; transmitting, by the MS to the BS, a dynamic service addition response (AAI_DSA-RSP) message in response to the AAI_DSA-REQ message, the AAI_DSA-RSP message including a second MAC header type parameter indicating the type of a MAC header included in the MAC PDU of the service flow; and communicating with the BS using the MAC PDU. | 12-19-2013 |
20140003410 | METHOD AND DEVICE FOR RANGING IN A WIRELESS COMMUNICATION SYSTEM | 01-02-2014 |
20140044034 | METHOD AND DEVICE FOR M2M COMMUNICATION - Provided are a method and device for M2M (Machine To Machine) communication. A M2M device receives a DSA (dynamic service addition) message from a base station, and the DSA message includes an MGID (M2M Group identifier) related to an M2M multicast service. The M2M device receives a paging advertisement (PAG-ADV) message from the base station in an idle mode, and the PAG-ADV message includes the MGID and an action code directing a location update performance. The M2M device transmits a ranging request (RNG-REQ) from the base station to perform a location update. | 02-13-2014 |
20140141827 | METHOD AND APPARATUS FOR IDLE MODE OPERATION FOR M2M COMMUNICATION - Provided are an operating method for machine to machine (M2M) communication and an apparatus using the method. In an idle mode, an M2M device receives a paging message from a base station. The paging message comprises a network connection type and a start offset. The network connection type indicates a resource allocation for a ranging request. The start offset indicates an offset at which to start monitoring the ranging resource for the ranging request. | 05-22-2014 |
20140148199 | METHOD FOR POSITION UPDATE IN M2M COMMUNICATION, AND APPARATUS USING SAME - Provided are a method for performing a position update in machine to machine (M2M) communication, and an apparatus using the method. In an idle mode, an M2M apparatus receives a paging message from a base station. The paging message comprises an action code, a network access type, and a resource offset. The action code is an indication for the M2M apparatus to perform a position update; the network access type is an indication for the allocation of resources for a ranging request; and the resource offset is an indication for an offset for uplink allocation. The M2M apparatus transmits the ranging request message to the base station by means of the uplink allocation. | 05-29-2014 |
20140206405 | METHOD AND DEVICE FOR POSITION UPDATE FOR M2M WIRELESS COMMUNICATION - Provided are a method and device for performing a position update in machine to machine (M2M) communication. An M2M apparatus in an idle mode receives a paging message from a base station. The paging message comprises an action code and a network access type, the action code being an indication for the M2M apparatus to implement position update. When the network access type indicates the allocation of resources for a ranging request, the M2M apparatus transmits the ranging request to the base station by means of an allocated uplink. | 07-24-2014 |
20140286455 | METHOD AND APPARATUS OF GENERATING PILOT SEQUENCE - A method of transmitting pilots id disclosed. The method of transmitting pilots includes transmitting pilots over N orthogonal frequency division multiplexing (OFDM) symbols, wherein a pilot at subcarrier k for OFDM symbol n is determined to have time varying characteristic, thereby to prevent the cause of spectral lines. | 09-25-2014 |
20140334411 | METHOD FOR EFFICIENTLY PERFORMING INITIAL ACCESS IN A MULTI-CARRIER BROADBAND WIRELESS ACCESS SYSTEM - A method for efficiently performing an initial access in an MS in a multi-carrier broadband wireless access system is disclosed. The method includes scanning a plurality of carriers supported by a BS, and selecting one of the scanned carriers as a first carrier and receiving an SFH of the first carrier. The SFH of the first carrier includes at least one of a field indicating load status of the first carrier and recommended network entry carrier information including information about a second carrier in good load status. | 11-13-2014 |