Abstract: An apparatus and method for controlling a reverse data rate in a mobile station. The method including determining a bit of a multi-bit control channel information based on at least two of a current data rate, transmission power, and an amount of data stored in a buffer of the mobile station; and transmitting the multi-bit control channel information to a base station. The bit of the multi-bit control channel information is determined based on whether the mobile station has power available to transmit at a higher reverse data rate.

Abstract: The present disclosure relates to a method and an apparatus for an Internet service provider server providing a sponsored service, in which a service provider server pays a mobile communication usage fee in place of a user equipment, and the method for providing the sponsored service comprises: a connection step of selecting predetermined sponsored content so as to provide the sponsored service by means of the user equipment accessing the Internet service provider server; an authentication step of authenticating to the user equipment that the sponsor service is valid by a sponsorship manager, which is a device for managing the sponsor service, connecting with the user equipment on the mobile communication network; a step for the Internet transmitting to the user equipment the sponsored content that comprises in an IP packet either an IspCode, which is pre-allocated by the sponsorship manager for identifying the Internet provider server, or an IspTrfCode, which is pre-allocated by the sponsorship manager for i

Abstract: A method and an apparatus for managing User Equipment (UE) history information are provided. The method for managing user equipment history information in a wireless communication network includes determining if a recording event occurs when the user equipment enters into an idle mode; recording information about the recording event in idle mode user equipment history information when the recording event occurs; and transmitting the recorded idle mode user equipment history information to a base station when the user equipment accesses the base station.

Abstract: Provided is a method for managing a group key in a key distribution center. The method includes: receiving a key request from a mobile device; generating a private key for the mobile device using information about a withdrawal time included in the key request; generating a public key and a verification key for the mobile device; and transmitting at least one key including the generated key to the mobile device.

Abstract: The present invention relates to a method and a system for managing an emergency call between a terminal and a network by using a non-access stratum protocol in a mobile communication network. A method for providing an emergency call service by a terminal in accordance with one embodiment of the present invention comprises the steps of: enabling the terminal to transmit an access request message including an emergency call identifier to a mobility management entity; enabling the terminal to attempt to authenticate the mobility management entity after the step of transmitting the access request message; enabling the terminal to receive an access grant message including the emergency call identifier from the mobility management entity; and enabling the terminal which receives the access grant message, to provide an emergency call service through the mobility management entity. According to one embodiment of the present invention, the emergency call is enabled.

Abstract: The present invention relates to a method and apparatus for updating a key for encrypting multicast data in a wireless communication system. The method of the present invention is characterized by comprising: an information receiving step of receiving information on a group entry time and a group exit time from users who have newly entered an arbitrary group including at least one subgroup; a grouping step of grouping the users using the information on the group entry time and the group exit time; and a key transmission step of either transmitting, to the newly-entered users, keys related to the group and the subgroups, or updating, for the remaining users of the subgroups, both the key related to the subgroup to which the user exiting the group belongs and the key of the group and then transmitting the updated keys to the users of the subgroups.

Abstract: The present invention relates to a method and a system for managing an emergency call between a terminal and a network by using a non-access stratum protocol in a mobile communication network. A method for providing an emergency call service by a terminal in accordance with one embodiment of the present invention comprises the steps of: enabling the terminal to transmit an access request message including an emergency call identifier to a mobility management entity; enabling the terminal to attempt to authenticate the mobility management entity after the step of transmitting the access request message; enabling the terminal to receive an access grant message including the emergency call identifier from the mobility management entity; and enabling the terminal which receives the access grant message, to provide an emergency call service through the mobility management entity. According to one embodiment of the present invention, the emergency call is enabled.

Abstract: A method and an apparatus for managing User Equipment (UE) history information are provided. The method for managing user equipment history information in a wireless communication network includes determining if a recording event occurs when the user equipment enters into an idle mode; recording information about the recording event in idle mode user equipment history information when the recording event occurs; and transmitting the recorded idle mode user equipment history information to a base station when the user equipment accesses the base station.

Abstract: The present invention relates to a method and a system for managing an emergency call between a terminal and a network by using a non-access stratum protocol in a mobile communication network. A method for providing an emergency call service by a terminal in accordance with one embodiment of the present invention comprises the steps of: enabling the terminal to transmit an access request message including an emergency call identifier to a mobility management entity; enabling the terminal to attempt to authenticate the mobility management entity after the step of transmitting the access request message; enabling the terminal to receive an access grant message including the emergency call identifier from the mobility management entity; and enabling the terminal which receives the access grant message, to provide an emergency call service through the mobility management entity. According to one embodiment of the present invention, the emergency call is enabled.

Abstract: A method and apparatus for a micro Base Station (BS) to provide a terminal with communication service in a wireless communication system are provided. The method includes forwarding, in the micro BS, an attach request message received from the terminal to a local Mobility Management Entity (MME), determining, at the local MME, whether the terminal has performed at least one of authentication and registration processes, transmitting, at the MME, to a local registration processor a service provision check request message asking for whether the terminal is registered with the communication service to a local registration processor, and providing the terminal with the communication service in response to a service provision check acknowledge message accepting the attach request which is received from the local registration processor and no communication service in response to the service provision check acknowledge message rejecting the attach request which is received from the local registration processor.

Abstract: The present disclosure relates to obtaining AP information or information on a channel where the AP is positioned from a neighboring mobile terminal that has recently performed AP scanning and re-attempting to scan based on the obtained information. According to an embodiment of the present disclosure, a method for scanning an access point (AP) in a wireless local area network (LAN) system comprises performing first WLAN scanning by a first mobile terminal, transmitting a request for WLAN AP information to a second mobile terminal that has previously performed WLAN AP scanning, receiving the WLAN AP information from the second mobile terminal, and performing second WLAN scanning based on the WLAN AP information.

Abstract: The present invention relates to a wireless communication system and method for establishing connection between a User Equipment (UE) and a Mobility Management Entity (MME) in the wireless communication system in which the data-centric terminal requests the mobility management entity for attachment and checks, when the mobility management entity responds, data-centric features supported by the mobility management entity. According to the present invention, it is possible to connect the data-centric terminal to the mobility management entity supporting the data-centric features of the corresponding data-centric terminal efficiently in the wireless communication system.

Abstract: A method for establishing a connection between a mobility management entity and a node of a network includes acquiring, at the mobility management entity, an address of the node, transmitting a session creation request from the mobility management entity to a serving gateway, receiving, at the mobility management entity, a session creation response from the serving gateway in response to the session creation request, the session creation response including uplink bearer information for data transmission to the serving gateway and an address allocated to the mobility management entity by a packet data network gateway, transmitting, at the mobility management entity, downlink bearer information for data reception from the serving gateway to the serving gateway, and communicating, at the mobility management entity, with the node using the address of the mobility management entity and the address of the node according to the uplink bearer information and the downlink bearer information.

Abstract: A method, performed by a mobile management entity (MME), for providing a voice call service to a user equipment (UE) in a mobile communication system and the MME are provided. The method includes receiving, from a mobile management entity (MME), a first message for paging to provide the voice call service to the UE; and sending, to the MME, a second message including a cause associated with a domain change from a packet switching (PS) domain to a circuit switching (CS) domain, wherein, if the MME receives the second message, a third message for requesting suspension of a bearer to provide a service for the UE is sent to a gateway in the PS domain.

Abstract: A method, performed by a mobile management entity (MME), for providing a voice call service to a user equipment (UE) in a mobile communication system and the MME are provided. The method includes sending, to an evolved node B (eNB), a first message for paging to provide the voice call service to the UE; receiving, from the eNB, a second message including a cause associated with a domain change from a packet switching (PS) domain to a circuit switching (CS) domain; and sending, to a gateway in the PS domain, a third message for requesting suspension of a bearer to provide a service for the UE.

Abstract: The present disclosure relates 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). According to an embodiment of the present disclosure, a method for receiving a service by a user equipment (UE) in a wireless communication system comprises, transmitting, through an access layer to the base station, a service request message including at least one of a service name related to application data, the application data, and a temporary UE identity and receiving, from the base station, a service request accept message including response data of the application data provided from a base station server connected with a base station.

Abstract: The present invention relates to a method for controlling system overload in a wireless communication system. The method comprises: a first step in which a mobility management entity (MME) that has received a tracking region update request message from a first terminal transmits a location update request message to a home subscriber server (HSS); a second step in which, if the HSS has determined that a system overload has occurred, the HSS sets MME-backoff time for preventing the transmission of a request message to the HSS, and transmits a location update rejection message including said MME-backoff time to the MME; and a third step in which the MME drives a backoff timer corresponding to said MME-backoff time and rejects a TAU update request message from a terminal received prior to the completion of the driving of the backoff timer.

Abstract: A method and an apparatus are provided in a first radio access technology (RAT). Mobility history information is generated including information on a time duration while in a second RAT. It is identified whether the terminal is in a Radio Resource Control (RRC) connected mode. The mobility history information is transmitted to a base station if the terminal is in the RRC connected mode.

Abstract: A method and an apparatus are provided in a wireless communication system. Mobility history information is generated including information on a time duration corresponding to out-of-service. It is identified whether the terminal is in a radio resource control (RRC) connected mode. The mobility history information is transmitted to a base station if the terminal is in the RRC connected mode.

Abstract: An apparatus and method for transmitting and receiving packet data in persistent resources in a wireless communication system using Hybrid Automatic Repeat reQuest (HARQ) are provided, in which a user buffer stores user data to be transmitted to a receiver, a controller allocates persistent resources to the receiver according to the data type of the user data and controls a Packet Start Indicator (PSI) to be included in an initial transmission subpacket, when the initial transmission subpacket is transmitted, and a transmission and reception processor transmits the user data and the PSI to the receiver and receives a response signal from the receiver.