Patent application number | Description | Published |
20110319112 | METHOD AND APPARATUS FOR REPORTING MAXIMUM TRANSMISSION POWER IN WIRELESS COMMUNICATION - An information format and apparatus used by a base station to make a scheduling decision when the base station allocates resource to a terminal in a mobile communication system are provided. Operations of a terminal to report a maximum transmission power accurately to the base station in a scheduling process are also provided. A method for calculating a maximum transmit power in a constant manner regardless of a channel status is also provided. | 12-29-2011 |
20120063430 | NAS COMMUNICATION METHOD AND APPARATUS IN MOBILE TELECOMMUNICATION SYSTEM - A method and apparatus for supporting Non-Access Stratum (NAS) communication between a User Equipment (UE) and a Mobility Management Entity (MME) efficiently by addressing signaling problems occurring between the UE and the MME in a situation where it is necessary for a network node to identify the UE information, from another network node to which the UE has been attached, are provided. The method is implemented with a UE, an MME, and an old MME or an old Serving General Packet Radio Service Support Node (SGSN) to which the UE has been attached before so as to facilitate discovering a best node using the UE information acquired from the old MME or old SGSN during communication between the UE and the network, resulting in a reduction of a communication delay between the UE and network and an improvement of communication efficiency. | 03-15-2012 |
20130046982 | APPARATUS AND METHOD FOR SUPPORTING FAMILY CLOUD IN CLOUD COMPUTING SYSTEM - A method and an apparatus for effective data sharing between users in a cloud computing system are provided. The cloud computing system includes a first cloud hub and a User Equipment (UE). The first cloud hub provides a cloud service to a UE connected by a public cloud access and provides a cloud service to a UE connected to a public personal cloud system installed by a service provider, and is installed by a user. The UE subscribes to the first cloud hub as a main cloud and inquires as to data stored in the first cloud hub. | 02-21-2013 |
20130090081 | APPARATUS AND METHOD FOR PROVIDING EMERGENCY CALL IN MOBILE COMMUNICATION SYSTEM - An apparatus and method for providing an emergency call in a mobile communication system are provided. In the method, a User Equipment (UE) transmits, to a Proxy-Call Session Control Function (P-CSCF) entity, a first message including first information indicating that the UE requests an emergency call and receives, from the P-CSCF entity a second message including second information indicating whether a serving Public Land Mobile Network (PLMN) supports a Non Voice Emergency Service (NOVES), and indicating a media type which the serving PLMN supports. | 04-11-2013 |
20130150030 | METHOD AND APPARATUS FOR SETTING TERMINAL CONNECTION CONTROL INFORMATION IN A MOBILE COMMUNICATION SYSTEM - Provided a method and an apparatus for setting control information of a user equipment in a wireless communication system. The method and the apparatus determine control information for network access of the user equipment, allows the network access according to the control information to provide a network service to the user equipment. The wireless communication system can uniformly maintain a service quality for a plurality of UEs. | 06-13-2013 |
20130258888 | METHOD AND APPARATUS FOR SETTING UP CALL IN MOBILE COMMUNICATION SYSTEM - The time required to set up a voice call in an exemplary embodiment, in which Circuit Switched Fallback (CSFB) is used, is reduced to provide a voice call service to a User Equipment (UE) in a Long Term Evolution (LTE) system. If a voice call occurs in a UE while the UE accesses the LTE system, the UE using CSFB switches to a 2G/3G legacy system, recycles system information for a 2G/3G cell that the UE has accessed before, and immediately proceeds with voice call setup without receiving system information unnecessary for a CSFB process. | 10-03-2013 |
20140019578 | WIRELESS COMMUNICATION SYSTEM AND METHOD FOR TRANSMITTING CONTENT IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system and a method for managing a cache server in the wireless communication system, the invention includes a step for checking a regional cache server to transmit contents when a DNS (Domain Name System) request a message for receiving contents acquired from a terminal, and a step for transmitting the contents by the cache server according to a contents request message received from the terminal. These steps can prevent the same data from being transmitted several times through a wireless communication network. Therefore, network usage associated with the service is reduced, and the network can be used more efficiently. | 01-16-2014 |
20140029579 | METHOD AND DEVICE FOR DETERMINING CONTINUOUS SESSION SUPPORT DURING SUPPORT OF LIMONET IN MOBILE COMMUNICATION SYSTEM - According to an embodiment of the present invention, the invention discovers an address of a LGW, which can be sued in HeNB, determines whether session continuity is supported or not when a terminal using the LGW is moved to another HeNB in a network wherein a structure supporting Session Continuity and a structure not supporting Session Continuity are mixed, and processes active mode mobility and idle mode mobility based on the same. To this end, an embodiment of the present invention provides a method for transmitting the LGW and HeNB ID association information through DNS and S1AP, and a method for processing idle mode mobility and active mode mobility by using LGW information and HeNB ID association information in MME. | 01-30-2014 |
20140126458 | METHOD OF PROCESSING SIGNALING OF TERMINALS OF SUBSCRIBERS IN A MOBILE COMMUNICATION SYSTEM - The present invention relates to a method and a device that control signals for a plurality of terminals possessed by the same user. More particularly, a method of controlling signals for a plurality of terminals using a mobility management entity (MME) according to an embodiment of the present invention is characterized by including the steps of: setting terminals with the same subscriber codes and the same mobility as grouping terminals; and transmitting group signals on the grouping terminals to a base station. According to the present invention, the following advantages are realized: of enabling the prevention of waste in having to report mobility-related information on each terminal and being able to simultaneously transmit grouping or other signals to all terminals that are in a group in a network. | 05-08-2014 |
20140140334 | APPARATUS AND METHOD OF ESTABLISHING INTERFACE IN A LOCAL NETWORK - Disclosed is an apparatus and a method of establishing an interface between entities in a local network. A stand-alone local H(e)NB network has a structure in which one or more H(e)NBs are separated from one or more L-GWs in order to support mobility of a user equipment. The one or more H(e)NBs or the one or more L-GWs provide an information management device with information necessary for establishing an interface and receive information necessary for establishing the interface with a target entity as a response to the provision of the information. The one or more H(e)NBs or the one or more L-GWs establish the interface with the target entity based on the received information. | 05-22-2014 |
20140140511 | METHOD AND APPARATUS FOR UPDATING A GROUP KEY IN A WIRELESS COMMUNICATION SYSTEM - 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. | 05-22-2014 |
20140141763 | METHOD FOR SETTING TERMINAL IN MOBILE COMMUNICATION SYSTEM - The present invention pertains to a method and apparatus for setting a mobile communication terminal. A method for setting a mobile communication terminal according to one embodiment of the present invention may comprise the steps of: transmitting, by the mobile communication terminal, an information provision request message to an information provision entity; and receiving, by the mobile communication terminal, information for access to the mobile communication terminal, which is generated by the information provision entity, from the information provision entity. According to one embodiment of the present invention, a user can directly set a service provider during initial use of a terminal or efficiently change the service provider. | 05-22-2014 |
20140148158 | APPARATUS AND METHOD FOR CONTROLLING DEVICE TRIGGERING IN A MOBILE COMMUNICATION NETWORK - A method for controlling device triggering in a mobile communication system includes registering a default urgent level of a terminal when the terminal is connected, receiving a device trigger register including urgent level information transmitted from an application server, and setting the received urgent level in a packet filter, and comparing, upon reception of a downlink data packet from the application server, a default urgent level and an urgent level of the application server to determine whether to transmit a downlink data notification. The method further includes receiving a device trigger register including wait time information transmitted from an application server, and then setting the received wait time in the packet filter, and buffering during the wait time upon reception of the downlink data packet from the application server, and then determining a downlink data notification transmission upon expiration of the wait time. | 05-29-2014 |
20140149745 | METHOD AND APPARATUS FOR MANAGING GROUP KEY FOR MOBILE DEVICE - 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. | 05-29-2014 |
20140169251 | MOBILE COMMUNICATION SYSTEM AND METHOD FOR MANAGING TERMINAL PAGING IN THE SYSTEM - The present invention relates to a mobile communication system, and to a method for managing terminal paging in the system. A paging method of a terminal is characterized by comprising the steps of: receiving, from a base station, both a local counter value for synchronization with the base station and a local ID that the base station has allocated to the terminal; synchronizing the base station and the counter using the local counter value so as to enter an idle state; and checking the local counter and a paging trigger message contained in the subframe corresponding to the local ID. According to the present invention, local IDs are each allocated to the respective multiple MTC terminals, and therefore trigger periods can be efficiently managed in a network. Further, the multiple MTC terminals can be grouped using the allocated local IDs, thus achieving advantages of an increased number of MTC terminals which can be managed in the network. | 06-19-2014 |
20140211727 | MOBILE TERMINAL AND METHOD OF DISPLAYING IMAGE USING THE SAME - An information format and apparatus used by a base station to make a scheduling decision when the base station allocates resource to a terminal in a mobile communication system are provided. Operations of a terminal to report a maximum transmission power accurately to the base station in a scheduling process are also provided. A method for calculating a maximum transmit power in a constant manner regardless of a channel status is also provided. | 07-31-2014 |
20140235249 | MOBILE COMMUNICATION SYSTEM AND METHOD OF INFORMATION PROCESSING FOR IMPROVING USER EXPERIENCE IN THE MOBILE COMMUNICATION SYSTEM - The present invention relates to a method for processing information between mobile communication systems in order to prevent the degradation of user-experienced performance when different types of mobile communication networks are used. The method for processing information at user equipment (UE) to improve user-experienced performance of a mobile communication system includes performing a data communication through a first network and receiving, from a policy server, a routing policy including a validity condition which is information about a condition of designating a UE status for handover. The method further includes, in the handover, if a searched second network satisfies the validity condition, performing the data communication through the second network. Accordingly, a network for data transmission can be selected using a routing policy created in consideration of a UE status or a network status, thereby enhancing user-experienced performance. | 08-21-2014 |
20140235262 | METHOD AND APPARATUS FOR CONTROLLING SYSTEM OVERLOAD IN A WIRELESS COMMUNICATION SYSTEM - 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. | 08-21-2014 |
20140254356 | METHOD AND APPARATUS FOR CONTROLLING TRAFFIC OF RADIO ACCESS NETWORK IN A WIRELESS COMMUNICATION SYSTEM - Provided is a method for controlling traffic of a Radio Access Network (RAN) in a wireless communication system. The method includes acquiring at least one of subscription class information of a User Equipment (UE) user and type information of an application or content; determining whether a congestion situation has occurred in the RAN; and controlling traffic for the UE based on the acquired information, if the congestion situation has occurred in the RAN. | 09-11-2014 |
20140293838 | METHOD AND SYSTEM FOR TRANSMITTING MEDIA PREFERENCE INFORMATION WITH RESPECT TO EMERGENCY CALL IN MOBILE COMMUNICATION SYSTEM - The present disclosure relates to a method and system for transmitting media preference information related to an emergency call in a mobile communication system. The method for transmitting media preference information associated with an emergency call may include: sending, by a user equipment (UE), an emergency call request message containing media preference information of a user associated with an emergency call to the Proxy Call Session Control Function (P-CSCF); sending, by the P-CSCF, application service information containing the media preference information to the Policy and Charging Rule Function (PCRF); and determining, by the PCRF, a policy to be used for controlling the UE on the basis of the media preference information. | 10-02-2014 |
20140313889 | METHOD AND APPARATUS FOR CONTROLLING USER EQUIPMENT ACCESS IN MOBILE COMMUNICATION SYSTEM - A method for a Mobility Management Entity (MME) to control a connection of a User Equipment (UE) in a mobile communication system is provided. The method includes a first standby method including an MME in a wireless communication system that includes predicting an overload durating time when an overload duration time that is predicted, transmitting to an enhanced Node B (eNodeB) information on the reconnection method of the UE that is decided, wherein the plurality of reconnection methods represent methods for the UE attempting reconnection with the MME after a second standby time that is longer than the first standby time, and an MME reselection method for the UE attempting the reconnection with an MME which is different from the MME. | 10-23-2014 |
20140376512 | METHOD AND APPARATUS FOR SUPPORTING MOBILITY OF UE IN LOCAL NETWORK - The present invention relates to a method and apparatus for managing a Local IP Access (LIP A) connection in a local network system. The method of managing a LIP A connection of UE in a connected state according to an embodiment of the present invention includes the steps of: a source home base station for UE determining a handover of the UE; when the handover of the UE is determined, determining whether a target home base station is a Long Term Evolution (LTE) release 10 or a Pre Rel-11 HeNB; and when the target home base station is a Pre Rel-11 HeNB, disconnecting the LIP A connection of the UE. According to an embodiment of the present invention, the mobility of UE having a LIPA PDN connection can be efficiently controlled in a local network where a Rel-11 H(e)NB and a Pre Rel-11 H(e)NB exist together. | 12-25-2014 |
20150009998 | METHOD AND APPARATUS FOR MANAGING DEVICE CONTEXT USING AN IP ADDRESS IN A COMMUNICATION SYSTEM - The present invention relates to a system configuration and an apparatus for preventing the infringement of user privacy, and for collecting and analyzing information regardless of the service feature and type, while a system providing a context aware service collects and analyzes user information. The present invention discloses a method of configuring and using a context analyzer and a device profile database in order for the system providing the context aware service to collect and analyze information regardless of the service feature and type. | 01-08-2015 |
20150023297 | COMMUNICATION SUPPORTING METHOD AND APPARATUS USING NON-ACCESS STRATUM PROTOCOL IN MOBILE TELECOMMUNICATION SYSTEM - A method and apparatus for supporting Non-Access Stratum (NAS) communication between a User Equipment (UE) and a Mobility Management Entity (MME) efficiently by addressing the signaling problems occurring between the UE and the MME in a situation where it is necessary for a network node to identify the UE and acquire UE information, if there is any, from another network node to which the UE has been attached, are provided. The method for communication between the UE and network based on the NAS protocol messages and operations is implemented with the involvement a UE, an MME, and an old MME or an old Serving General Packet Radio Service (GPRS) Support Node (SGSN) to which the UE has been attached before so as to facilitate discovering a best node using the UE information acquired from the old MME or old SGSN during the communication between the UE and the network, resulting in a reduction of a communication delay between the UE and network and an improvement of communication efficiency. | 01-22-2015 |