Abstract: A method of allocating a paging carrier in a multi-carrier environment is disclosed. The method of allocating the paging carrier includes receiving a first message including first allocation information of the paging carrier, transmitting a second message for requesting entry into an idle mode to a base station; and receiving a third message including second allocation information of a changed paging carrier from the base station. At this time, the paging carrier includes a paging channel out of multiple carriers including one or more carriers.

Abstract: 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.

Abstract: Provided are a method and a device for data transmission in a multiple carrier wave system. With respect to a carrier wave that includes a first guard band, a data band, and a second guard band on a frequency domain, at least one guard physical resource unit (guard PRU) is allocated to at least one of said first guard band and said second guard band, said guard PRU is mapped to a contiguous resource unit (CRU), and data are transmitted via the CRU to which said guard PRU is mapped. The CRU to which said guard PRU has been mapped is mapped to a contiguous logical resource unit (CLRU). The index of the CRU to which said guard PRU has been mapped and the index of the CRU to which the PRU of said data band has been mapped may be continuous.

Abstract: A method for transceiving multi-carrier information in a communication system supporting a multi-carrier. The method includes performing a capability negotiation with respect to whether or not to support the multicarrier through a network entry with a base station; receiving a broadcast message from the base station, the broadcast message including multicarrier configuration information supported by the base station; sending, by a terminal, a multicarrier request message including carrier information, and the carrier that the terminal is able to support according to the terminal capability or prefers, according to the received multicarrier configuration information, to the base station; and receiving from the base station a response message to the multicarrier request message, the response message including carrier allocation information including a primary carrier and a secondary carrier allocated to the terminal.

Abstract: The present invention relates to a method and device for maintaining the context of user equipment (UE) in a wireless communication system. If power for a terminal is abnormally down, a base station receives an abnormal power down report and a request for maintaining the context of the terminal from the terminal, determines whether to maintain the context of the terminal, and transmits, to the terminal, an abnormal power down confirmation that indicates whether to maintain the context of the terminal.

Abstract: The present invention relates to a method and apparatus for transmitting a bandwidth request (BR) header in a wireless communication system. User equipment transmits a standalone BR header to a base station through a first uplink (UL) resource allocated by a BR-acknowledgement (ACK) A-MAP information element (IE), receives from the base station a hybrid automatic repeat request (HARQ)-non-acknowledgement (NACK) which indicates the base station has not successfully received the standalone BR header, receives a CDMA allocation A-MAP IE from the base station, and retransmits the standalone BR header through a second UL resource allocated by the CDMA allocation A-MAP IE.

Abstract: A method for transmitting and receiving an ACKnowledgment (ACK) in a wireless communication system is disclosed. The method includes transmitting a bandwidth request indicator to a Base Station (BS), and receiving an ACK for the transmitted bandwidth request indicator from the BS, the ACK including a resource start offset field. The resource start offset field indicates an index of a starting resource unit of resources allocated by the ACK.

Abstract: The present invention relates to a broadband wireless access system, and more specifically, to a method and apparatus for efficiently allocating resources to terminals in a random access system. The method for performing such a random access procedure of a terminal in a broadband wireless system according to one embodiment of the present invention comprises: transmitting a preamble sequence to a random access region in a base station; and receiving from the base station ACK information indicative of a received state of the preamble sequence. The ACK information receiving step is preferably a step of decoding a map information element that is masked as an identifier of the random access region.

Abstract: The present invention relates to a method and apparatus for transmitting/receiving resource allocation information in a random access process in a wireless communication system. The method for transmitting/receiving resource allocation information in a random access process in a wireless communication system, according to one aspect of the present invention, involves a base station receiving a code from a terminal, and transmitting, to the terminal, CDMA Allocation A-MAP IE (code division multiple access allocation Advanced-MAP information element) including a field which indicates whether it is a source allocation for a bandwidth request or a resource allocation for ranging.

Abstract: Provided is a method for machine to machine (M2M) communication. An M2M device acquires an M2M group identification (MGID) and an M2M zone identification. The M2M device checks whether or not the M2M device has escaped from the M2M group zone. If the M2M device has escaped from the M2M group zone, the M2M device transmits, to a base station, an update request message which requests that the M2M group identifier be updated. The M2M device receives, from the base station, a response message as a response to the update request message.

Abstract: A method and apparatus for transmitting a paging message in a wireless communication system is provided. A base station receives a paging announcement from a paging controller. The paging announcement includes a machine-to-machine (M2M) group identity (ID) allocated by a first network entity. The base station transmits the paging message to an M2M device. The paging message includes a M2M zone ID of the first M2M zone, managed by the first network entity, allocated by the first network entity or a network entity ID of the first network entity. An M2M group ID allocated to the M2M device by a second network entity is the same as the M2M group ID included in the paging announcement.

Abstract: A method and apparatus of receiving a paging message in a wireless communication system is provided. A machine-to-machine (M2M) device monitors paging messages including a group paging message and an individual paging message, and receives both the group paging message and the individual paging message from a base station (BS).

Abstract: A method of an efficient low duty mode (LDM) operation for a femto base station is disclosed. The method of a low duty mode (LDM) operation for a femto base station comprises operating at an available interval of a first length according to a default LDM pattern; and operating at an unavailable interval of a second length according to the default LDM pattern, wherein the available interval begins with a frame including a first preamble, the first preamble including information of carrier configuration and system bandwidth.

Abstract: Provided are a ranging method in a wireless communication system and a device therefor. A plurality of M2M (machine-to-machine) devices transmit ranging codes, and a base station determines whether a network surge has occurred based on the received ranging codes. When network surge occurs, the base station transmits a network surge indicator and a network surge ranging parameter to a plurality of M2M devices.

Abstract: Provided are a method and an apparatus for transmitting a frame in a wireless communication system including a relay station. A base station sets a frame including a downlink (DL) access zone for transmitting a signal to the relay station and a DL relay zone for transmitting the signal to the relay station or a terminal, and transmits the frame. The DL access zone comprises a multiple-input multiple-output (MIMO) midamble for the terminal and the DL relay zone comprises an R-amble as an additional MIMO midamble.

Abstract: 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.

Abstract: 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.

Abstract: The present invention relates to a method and apparatus for transmitting/receiving control information for additional broadcast information in a wireless communication system. According to one aspect of the present invention, a method for transmitting control information for additional broadcast information in a wireless communication system comprises a step in which a base station transmits control information containing information on the transmission time of the additional broadcast message, and transmits the additional broadcast message at said transmission time.

Abstract: 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.

Abstract: A method for managing carriers allocated to a mobile station in a broadband wireless access system supporting multiple carriers, and an apparatus for use in the method are disclosed. A carrier management method for allowing a mobile station to perform carrier management in a broadband wireless access system supporting multiple carriers includes receiving a first message, which includes activation information indicating activation of at least one target carrier from among one or more second carriers allocated through a first carrier, from a base station, and transmitting a second message, which informs the base station of readiness or non-readiness of the at least one target carrier according to a result of the activation, to the base station. The activation information includes information indicating an activation time point, and the transmitting of the second message is performed at a specific time indicated by the activation time point information.