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| Number | Title | Issue Date |
| 8442537 | Mobility management method for use in cellular mobile communication system Disclosed is a mobility management method for use in a cellular mobile communication system. The mobility management method is configured to save radio resources and provide a stable service by detecting a cell in which a dwell time of user equipment (UE) is short a... | 05/14/2013 |
| 8428601 | Wireless network inter-technology handoffs In general, a method is described for handing off a communication session associated with a mobile device from a first network running a first technology to a second network running a second technology different from the first technology, the method comprising: esta... | 04/23/2013 |
| 8423026 | Cell/carrier redirecting and reverting control at the time of RRC connection A cell redirection process in accordance with load balancing and user terminal conditions, and a prompt cell reverting at the time of redirection failure are provided. A cell redirection control method under a situation where a base station controls two or more cell... | 04/16/2013 |
| 8406769 | Leadership support system determining a danger of isolation of a group member even under temporarily worsened communication conditions A leadership support system includes a leader terminal and plural member terminals. The member terminals, according to either the relay of communication information not addressed thereto or the reception of communication information addressed thereto, send back a re... | 03/26/2013 |
| 8406768 | Method and system for maintaining a reverse-active set that defines which sectors receive reverse-link signals A mobile station receives forward link signals and transmits reverse link signals for a communication session conducted via a wireless network. A controller maintains a reverse-active set that defines which sectors of the wireless network are used to receive the rev... | 03/26/2013 |
| 8396479 | Handover processing method and device A handover processing method includes obtaining, by a relay station, information, where the information is used for determining whether a mobility management entity (MME) of a user equipment is in a mobility management entity pool (MME pool) to which a neighboring e... | 03/12/2013 |
| 8380205 | Transmission of filtering/filtered information over the Iur interface In a radio access network, a drift radio network controller (DRNC) [262] transmits to a serving radio network controller (SRNC) [261] either (1) a filtering rule for a candidate cell [so that the serving radio network controller (... | 02/19/2013 |
| 8364150 | Method for selecting base station for handover from plurality of target base stations and device thereof The method for selecting a base station for handover from a plurality of target base stations includes receiving, at a network element, measurement reports and loads of the plurality of target base stations, where the plurality of target base stations are within a c... | 01/29/2013 |
| 8355724 | Handover control method, cell reselection method and mobile station A handover control method comprises a step in which a mobile station measures radio qualities in a plurality of different frequency cells at predetermined measurement intervals and a step in which the mobile station, when determining that the radio quality in a spec... | 01/15/2013 |
| 8346263 | Radio interoperability system and method A method, system and memory are provided for enabling interoperability. A communication session between different communication systems, such as radio systems, operating using different protocols is initiated by receiving a scenario identifier from one of the user d... | 01/01/2013 |
| 8331941 | Method of providing messages to a mobile unit on a forward link The present invention provides a method of wireless communication using a mobile unit and first and second base stations. The method includes receiving, from the second base station, a notification of a switch of the first base station to the second base station. Th... | 12/11/2012 |
| 8280381 | Intra-system handoff method The present invention provides an intra-system handoff method, comprising the following steps: S302, when deciding a handoff of UE to a target base station, a source base station issues a handoff request to the target base station; S304, in response to... | 10/02/2012 |
| 8280380 | Method and system for transmitting/receiving neighbor base-station advertisement message in broadband wireless access system Disclosed is a method and system for transmitting/receiving a neighbor base-station information message in a broadband wireless access system. A base station sets and transmits a neighbor base-station information message, which includes a specific flag field for lim... | 10/02/2012 |
| 8270980 | Controlling handover A method for controlling a handover and an apparatus are provided. The apparatus includes an interface to communicate with mobile units and a processing unit to determine a need for a mobile unit having more than one ongoing service connection to execute a handover ... | 09/18/2012 |
| 8244255 | Pilot strength measurement message (PSMM)-based handoff for mobile devices Systems, methods, and computer-readable media for basing a handoff of a mobile device on its position within a coverage area of a source base transceiver station (BTS) are provided. Initially, embodiments involve recording threshold distances, associated with candid... | 08/14/2012 |
| 8238920 | Method and apparatus for triggering measurements of other radio access technologies (RATS) Automatic setting and/or adjusting of the threshold(s) for triggering measurements of signal strength/quality of other RATs that are needed for IRAT mobility is described. The setting and/or adjusting of the threshold(s) triggering IRAT measurements is automatically... | 08/07/2012 |
| 8185117 | Fast handover in mobile communications networks A method is described for routing of data in hierarchical mobility management systems with tiered mobile anchor points. Routing of data is switched from old to new communications nodes and regulated, by a controlling mobile anchor point having both communications no... | 05/22/2012 |
| 8185118 | Method for transferring the context of a mobile terminal in a wireless telecommunication network The present invention concerns a method for obtaining a context of a mobile terminal (30) which is expecting to be served by a first base station (10b) of a wireless telecommunication network comprising a plurality of base stations (10) l... | 05/22/2012 |
| 8185119 | Method and system for extended network access notification via a broadband access gateway A system and method supporting extended network access notification via a broadband access gateway is disclosed. A representative embodiment of the present invention may comprise a wireless interface and may be capable of exchanging multimedia communication between ... | 05/22/2012 |
| 8175603 | Neighboring cell directed handover in a wireless network A wireless network for addressing the unavailability of airlink connection resources (“resources”) is disclosed. A plurality of smaller cells are dynamically created within the coverage boundary of a macrocell, wherein each smaller cell is capable of providing t... | 05/08/2012 |
| 8165587 | Communicating cell restriction status information between radio access network nodes A cellular radio communications network includes a core network coupled to a radio access network (RAN) that has multiple RAN nodes for communication with mobile radio terminals. Each of the multiple RAN nodes serves one or more cells. At least one cell associated w... | 04/24/2012 |
| 8090376 | Measurements in communications systems A method of selecting a cell for handover of a mobile station to another communication system. A command is sent to a mobile station from a first network element. The command includes a request to perform compressed mode measurements at the mobile station of a neigh... | 01/03/2012 |
| 8081981 | Method and apparatus for optimizing neighbor list for handover management A method and an apparatus for optimizing a neighbor list in a mobile communication system is disclosed. In one embodiment, the apparatus includes: i) a data collecting unit, collecting wireless quality measurement data and call fault data of a mobile communication t... | 12/20/2011 |
| 8078176 | Radio communication apparatus and radio communication method A radio communication apparatus includes a battery voltage monitor configured to acquire a dropped amount of an output voltage in a case where a network connection unit is connected to at least one of radio communication networks used in a handover; and an operation... | 12/13/2011 |
| 8068840 | Methods and apparatus for achieving route optimization and location privacy in an IPv6 network Methods and apparatus for performing proxy registration on behalf of a node with a Home Agent supporting Mobile IP are disclosed. A first registration request is composed on behalf of the node and transmitted to the Home Agent via a first Local Mobility Anchor, wher... | 11/29/2011 |
| 8060098 | Handover methods and apparatus for mobile communication devices A mobile communication device assists in a handover procedure between a first base station and a second base station using reliable and efficient techniques. The mobile device has a wireless transceiver and one or more processors coupled to the wireless transceiver.... | 11/15/2011 |
| 8032141 | Method of transmitting data and network A method of transmitting data between a content server (11) and a terminal (17) belonging to a discontinuous coverage network, the terminal (17) moving from a first radio coverage area (14, 161) to a second radio coverage area (14, 162... | 10/04/2011 |
| 8019345 | Apparatus and method for performing handover in broadband wireless communication system An apparatus and method for performing a handover in a broadband wireless communication system is provided. In the broadband wireless communication system, a base station includes: a grouping unit for grouping mobile stations by using information on a movement path ... | 09/13/2011 |
| 8019346 | Means and Methods for Improving the Handover Characteristics of Integrated Radio Access Networks The invention provides a method for assisting handover of a user terminal's, UT's, communication session in an integrated multi RAT network, said method to be carried out by an RNCI being installed in said network, said method comprising the following steps:— rece... | 09/13/2011 |
| 8014779 | Wireless network connection switching management system and method A system and method for wireless network connection switching management is shown. The system notifies a mobile user that his portable terminal is within an area where it can be provided with local fast wireless communication service such as a hot-spot service versu... | 09/06/2011 |
| 8010114 | Mobile communications system and communication branch establishing method A disclosed mobile radio communications system comprises an exchange station; first and second radio base stations configured to radio-communicate with a mobile station and configured to relay data from the mobile station; first and second radio control stations con... | 08/30/2011 |
| 7986949 | Method for performing handover in broadband wireless access system A method of entering sleep mode in a mobile subscriber station in performing handover from a first base station (BS) to a second BS is disclosed. More specifically, the method includes entering sleep mode in the first base station and transmitting from the first bas... | 07/26/2011 |
| 7983676 | Inter-system handover A method of handover in a wireless communication system in which an asynchronous system and a synchronous system are mixed is disclosed. The method comprises the steps of: the asynchronous system ordering a dual mode mobile terminal to perform a handover from the as... | 07/19/2011 |
| 7962142 | Methods and apparatus for the utilization of core based nodes for state transfer Methods and apparatus for storing, manipulating, retrieving, and forwarding state, e.g., context and other information, used to support communications sessions with one or more end nodes, e.g., mobile devices, are described. Various features are directed to a mobile... | 06/14/2011 |
| 7957743 | Self configuring and optimization of cell neighbors in wireless telecommunications networks The present invention relates to a cellular communications network and in particular to the problem of identifying cells for neighbor lists, or handover candidates when the cells are identified by a limited number of non-unique identities. The present invention incl... | 06/07/2011 |
| 7929969 | Network engineering in a wireless network Various types of information from a wireless communications network, including E911 location information, Hand Off (HO) information, and Power information, as well as other Measurements and System Parameters, are collected and analyzed by a Data Collection and Filte... | 04/19/2011 |
| 7925264 | Method and arrangement for improved handover by muting interfering nodes In a telecommunication system, a method for improved handover signaling includes temporarily enhancing the radio environment of a user engaged in handover signaling by muting one or more dominant interfering cells during the signaling process, and coordinating the m... | 04/12/2011 |
| 7904088 | Identifying network resources for packet-switched services The present invention relates to identifying resources allocated in a cellular network for a mobile station for packet-switched services. A first identifier is used for identifying a mobile station, and a second identifier is used for identifying resources allocated... | 03/08/2011 |
| 7894816 | Method of selecting carrier frequency for call origination A mobile station in an idle state is associated with a current sector-carrier that has a current pilot channel at a current carrier frequency. In response to a request to originate a call, the mobile station compares its current sector-carrier with one or more candi... | 02/22/2011 |
| 7860504 | Method of treating handover in a bridge-based radio access station backbone network A method of treating a handover in a bridge-based radio access station backbone network including a plurality of base station bridges each including a two-tiered switch connected with a plurality of radio access stations, a plurality of SCBs (Site Core Bridges) each... | 12/28/2010 |
