Abstract: 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.

Abstract: The present invention relates to a broadband wireless access system, and more specifically, to a deregistration with content retention mode operation procedure initiated by a base station. According to one embodiment of the present invention, the present invention provides a method for, a mobile station, performing a deregistration with content retention (DCR) mode by a request of a base station in a broadband wireless access system, and the method comprises the steps of: receiving a first broadcast message for indicating entry into the DCR mode from the base station; transmitting a second message for requesting the entry into the DCR mode to the base station; receiving a third broadcast message that includes acknowledgement (ACK) information for indicating whether the second message is detected, and entering the DCR mode if the ACK information indicates a successful detection of the second message.

Abstract: A method for operating in an idle mode and a machine-to-machine (M2M) apparatus are provided. The M2M apparatus receives a deregistration-response (DREG-RSP) message from a base station, and the M2M apparatus in the idle mode monitors a paging advertisement (PAG-ADV) message from the base station. Comprised is a fixed M2M deregistration identifier (FMDID), and the FMDID is a 16-bit identifier for identifying the M2M apparatus in a region of the base station.

Abstract: A method and device for performing wireless communication ranging are provided. A machine-to-machine (M2M) device receives a paging message from a base station, transmits a bandwidth request (BR) preamble sequence to the base station, receives a first UL grant to allocate an uplink (UL) resource for the transmission of a BR header, transmits the BR header including a ranging request indication parameter to the base station through a UL resource allocated by the first UL grant, receives a second UL grant to allocated a UL resource for transmission of a ranging request message from the bases station, and transmits the ranging request message to the base station through a UL resource allocated by the second UL grant.

Abstract: A method of scanning neighboring target RATs (Radio Access Technology). The method according to one embodiment includes transmitting a message including a field indicating whether or not the mobile station supports the inter-RAT handover while performing a network entry process; transmitting a request for information about another RAT only if the inter-RAT handover is supported by the mobile station; and, in response to the request, receiving information about a recommended RAT from the base station. The information about the recommended RAT is selected based on the location information. The method according to the embodiment further includes performing the scanning of the neighboring target RATs using the information about the recommended RAT; and reporting a result of the scanning. The performing of the scanning is triggered when channel quality falls below a certain threshold. The receiving information is in response to, both, the transmitted message, and the transmitted request.

Abstract: The present description relates to a method in which a terminal performs network reentry procedures in an idle mode in a wireless access system, wherein the method comprises the following steps: receiving, from a base station, control information indicating an initial ranging back-off window size for machine-to-machine (M2M) terminals during a paging listening period; determining an initial ranging back-off window size for initial ranging using the received control information; and performing initial ranging procedures with the base station based on the determined initial ranging back-off window size.

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: 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 MTC device performs a position update according to the position update type.

Abstract: A method of performing a location update. The method according to one embodiment includes receiving, by a mobile station, information related to a first paging group and a second paging group assigned for the mobile station, from at least one base station; starting, by the mobile station, a timer when the mobile station leaves the first paging group but stays within the second paging group; determining, by the mobile station, whether the mobile station is within the first paging group or the second paging group, before an expiration of the timer; and performing, by the mobile station, a location update before the expiration of the timer if the mobile station is determined to be not within the first paging group and the second paging group.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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 indicating a resource allocation for a ranging request. The M2M device monitors assignment information including the resource allocation for the ranging request. Cyclic redundancy check (CRC) bits of the assignment information are masked with a part of a M2M identifier. The assignment information includes an identifier type indicating that the M2M identifier is a fixed M2M deregistration identifier (FMDID) or a deregistration identifier (DID).

Abstract: A broadband wireless access system and, more particularly, a method for a mobile station and a base station to perform an efficient ranging procedure considering a ranging purpose and a device for performing the same are disclosed herein. A method of a mobile station for performing ranging in a broadband wireless access system, the method includes the steps of transmitting a first ranging preamble code for requesting ranging to a base station through a first ranging opportunity of a first frame, and, when a first message is received from the base station before a timer indicating a limited time point is expired, wherein the first message including a response to the first ranging preamble code is transmitted during the limited time point, determining whether or not the ranging request is successfully made by using the first message.

Abstract: A method of allocating resources in a wireless communication system is provided. A wireless device which makes a transition between Low Power Consumption (LPC) mode and active mode receives, from a base station, an allocation message for allocating persistent scheduling resources used in persistent scheduling. The wireless device communicates with the base station using the persistent scheduling resources, for active duration in which the wireless device operates in the active mode. The wireless device deallocates the persistent scheduling resources automatically when the active duration is finished.

Abstract: A method and device for monitoring a paging message in Machine To Machine (M2M) communication are provided. A M2M device receives a segment of the paging message that includes an extension flag and a M2M extension flag. The extension flag indicates that the M2M device checks the M2M extension flag and the M2M extension flag indicates whether a remaining segment of the paging message exists.

Abstract: 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 indicating a resource allocation for a ranging request. The M2M device monitors assignment information including the resource allocation for the ranging request. Cyclic redundancy check (CRC) bits of the assignment information are masked with a part of a M2M identifier and the assignment information includes a remaining part of the M2M identifier.

Abstract: Disclosed is a method for determining whether a machine-to-machine group identifier (MGID) for identifying a multicast service flow is supported in a wireless access system that supports machine-to-machine (M2M) communication, wherein the multicast service flow is shared by a group of M2M terminals within an M2M group zone that is allocated to the terminals. The method comprises the steps of: receiving from the first base station M2M group zone information of the first base station and neighboring base stations; receiving from the second base station system information of the second base station; and determining whether the MGID that is received from the first base station is supported by the second base station by comparing the system information of the second base station and the M2M group zone information on the neighboring base stations.

Abstract: The present system relates to a broadband wireless access system, and more specifically to a method whereby resources for ranging are efficiently allocated to a mobile station with reference to the status of the mobile station, and also relates to a device for implementing the same. In one example of the present invention, the method for allowing a mobile station to range on a broadband wireless access system may comprise the steps of: selecting any one code from one or more codes contained in a ranging code subset corresponding to the status of a mobile station in one or more ranging codes subsets set in accordance with the purpose of the ranging by the mobile station mode; and transmitting the selected code to a base station.