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| Number | Title | Issue Date |
| 7676226 | Fast handover method optimized for IEEE 802.11 networks A fast handover method optimized for IEEE 802.11 networks. In a wireless local area system including a mobile terminal and at least two wireless access points (APs) that communicate with the mobile terminal over a unique radio channel, the fast handover method inclu... | 03/09/2010 |
| 7672671 | Method and apparatus for enabling operators with operators with unused bandwidth to acquire users A first access network [500] has a servicing element [525] for servicing a mobile station 105]. A negotiation element [530] negotiates with a second access network [115] for a right for the second access network [115] to pro... | 03/02/2010 |
| 7668547 | Method of reselecting a cell by a mobile terminal in idle mode in a cellular telecommunication network A method of reselecting a cell by a mobile terminal in idle mode in a cellular telecommunication network in which the network sends to the terminal a list containing information with regard to the UMTS cells to be identified, and in which the mobile terminal periodi... | 02/23/2010 |
| 7668545 | Maintaining data connectivity for handoffs between compression-enabled and compression-disabled communication systems Methods and apparatus are presented for enabling data connectivity when a handoff occurs between one communication network and another communication network, wherein the communication networks belong to different air interface standards. The mobile station triggers ... | 02/23/2010 |
| 7668546 | Apparatus, method and computer program product to maintain user equipment serving grant at cell change A method includes storing a first Serving Grant (SG) value for use in a first serving cell, entering a second serving cell, receiving an information element from a higher layer, maintaining the first SG value if the information element does not include a second SG v... | 02/23/2010 |
| 7664501 | Seamless handoff across heterogeneous access networks using a handoff controller in a service control point In a telecommunications network in which a mobile handset is capable of communicating in both an IP domain and a non-IP domain, the handoff of an existing communications session between the mobile handset and a fixed user is facilitated by a handoff controller imple... | 02/16/2010 |
| 7664500 | Network service control method and agent dispatching method used therein A network service control method detects whether a mobile node communicating with a corresponding node is trending to a second local area network from a first local area network and forks and transmits a user agent and a server agent to a proxy when the mobile node ... | 02/16/2010 |
| 7660583 | Advanced handover in phased-shifted and time-sliced networks The present invention provides methods and apparatus for a wireless terminal to receive channel bursts in a wireless system while the wireless terminal is performing a handover from one base station to another base station. The wireless terminal determines that a ha... | 02/09/2010 |
| 7660584 | Using an access point name to select an access gateway node A first access point name associated with an access gateway node involved in a data session of a mobile station over a first type of wireless network is received. In response to handoff of the mobile station from the first type of wireless network to a second, diffe... | 02/09/2010 |
| 7643830 | Methods and apparatus for soft-decision based inter-radio access technology handover triggering Methods, apparatus, processors and computer readable medium for inter-radio access technology (RAT) handover are provided that incorporate a soft-decision making process. By implementing configurable functions, soft-decision making allows for handover measurement li... | 01/05/2010 |
| 7636570 | Method of providing a fast downlink service in a hard handover in a cellular communication system A method quickly resuming a downlink service in a hard handover in a cellular mobile communication system. To provide the fast downlink service to an MS during a hard handover from an OBS to an NBS, the NBS receives handover user information from the OBS, and genera... | 12/22/2009 |
| 7634269 | Apparatus and method for extending the coverage area of a licensed wireless communication system using an unlicensed wireless communication system Extending the coverage area of a licensed wireless communication system using an unlicensed communication system is described. In one embodiment, the system comprises a mobile station operable to communicate with a telecommunications network using a licensed wireles... | 12/15/2009 |
| 7634270 | GPRS data protocol architecture for an unlicensed wireless communication system An unlicensed wireless service is adapted to generate the interface protocols of a licensed wireless service to provide transparent transition of communication sessions between a licensed wireless service and an unlicensed wireless service. In one embodiment, a mobi... | 12/15/2009 |
| 7634271 | GSM signaling protocol architecture for an unlicensed wireless communication system An unlicensed wireless service is adapted to generate the interface protocols of a licensed wireless service to provide transparent transition of communication sessions between a licensed wireless service and an unlicensed wireless service. In one embodiment, a mobi... | 12/15/2009 |
| 7630715 | Communication system, methods of managing a communication system and mobile user equipment An apparatus and a method in a communication system with at least two different access systems, wherein a first access system is capable of handling a first number of communications between a mobile user equipment (MUE) and the first access system and wherein a seco... | 12/08/2009 |
| 7627317 | Method for the transmission of data packets in a mobile radio system and corresponding mobile radio system A method transmits data packets in a mobile radio system and corresponding mobile radio system. The method permits an immediate transmission of data packets to the receiver station along a new transmission path, after a handover of a connection along a transmission ... | 12/01/2009 |
| 7627318 | Mobile communication terminal which selects one of a plurality of base stations corresponding to respective different communication standards to communicate with, based on estimated data throughputs of the base stations, and method therefor A mobile communication terminal has a function of communicating with two types of base stations, for example, one base station belongs to the Global System for Mobile communications (GSM) and another base station belongs to the Wideband Code Division Multiple Access... | 12/01/2009 |
| 7623862 | Distributed protocol for use in a wireless network The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network can therefore include multiple APs, each of which will automatically... | 11/24/2009 |
| 7623863 | System and method for adjusting connection parameters in a wireless network A method for adjusting connection parameters in a wireless network includes establishing a first wireless connection with a base station using a first channel and establishing a second wireless connection with an endpoint using a second channel. The method also incl... | 11/24/2009 |
| 7623861 | Method and apparatus to optimize off-frequency pilot searching by wireless mobile station A wireless mobile telephone (400) is operated so as manage the performance of “off-frequency searches,” that is, searches for base station pilot signals that differ in frequency from the pilot signals in the mobile station's active set. Whenever frequency... | 11/24/2009 |
| 7620399 | Method and system for performing handover between multiple modes using a single wireless receiver A method for performing handover between multiple modes for a mobile station is provided. The method includes operating the mobile station in a first mode. A handover from the first mode to a second mode is performed using a single wireless receiver. The mobile stat... | 11/17/2009 |
| 7616956 | Measurement request report extensions for media independent handover A method for generating a media independent handover (MIH) trigger in a wireless local area network begins by sending a measurement report request message to a measurement entity in the network. The measurement entity takes the measurements and sends a measurement r... | 11/10/2009 |
| 7610049 | Wireless communication system, server and mobile station therefor This invention provides a wireless communication system wherein a network to which a mobile station should be handed over can be selected, using parametric data collected from network components other than the mobile station. Time taken for a handover between differ... | 10/27/2009 |
| 7606568 | Messaging for registration in an unlicensed wireless communication system An unlicensed wireless service is adapted to generate the interface protocols of a licensed wireless service to provide transparent transition of communication sessions between a licensed wireless service and an unlicensed wireless service. In one embodiment, a mobi... | 10/20/2009 |
| 7606569 | Wireless terminal for selecting optimal base station from among plural base stations A wireless communication terminal includes: a base station list that stores information on a plurality of base stations, the information indicating whether each of the base stations accepts a call request from the wireless terminal; a selecting unit that selects one... | 10/20/2009 |
| 7603123 | Method and system for performing a handoff in a wireless communication system, such as a hard handoff A method for minimizing search time and disruption of current service on an originating frequency during a frequency search excursion to a target frequency as part of an inter-frequency hard handoff between cells on different RF CDMA channels. Disruption of service ... | 10/13/2009 |
| 7603121 | Method and system for handoff between base stations supporting multi-profile operation in BWA system Disclosed is a method for performing handoff by a Mobile Station (MS) in a Broadband Wireless Access (BWA) communication system including a serving Base Station (BS) and at least one neighbor BS adjacent to the serving BS, the serving BS currently providing a servic... | 10/13/2009 |
| 7603122 | Mobile communication system, UE, handover control method for use thereof and program thereof The present invention provides a mobile communication system capable of effectively utilizing the limited reception resources available to the UEs and thereby performing steady communication for use in the handover control of UEs. A UE, during communication, determi... | 10/13/2009 |
| 7599694 | Method for transmitting uplink data during handoff Disclosed is a method for transmitting an uplink data during handoff. A method for transmitting uplink data in a soft handoff system, in which a mobile station is simultaneously connected with at least two base transceiver systems under a control of a base station c... | 10/06/2009 |
| 7596376 | Methods, apparatuses and systems facilitating client handoffs in wireless network systems Methods, apparatuses, and systems directed to facilitating roaming and client handoffs in wireless networks. In one implementation, the present invention is directed to a coordination mechanism facilitating handoffs of wireless clients in a wireless network infrastr... | 09/29/2009 |
| 7593732 | System and method for supporting soft handover in a broadband wireless access communication system A method for supporting handover in a BWA communication system is provided. The system includes an MS, a serving BS, and a plurality of neighbor BSs. The coverage area of each of the BSs is divided into sectors using different subcarrier bands. The MS collects infor... | 09/22/2009 |
| 7593731 | System and method for performing a fast handover in a broadband wireless access communication system A broadband wireless access (BWA) communication system includes a mobile subscriber station (MSS), a serving base station (BS) with which the MSS performs communication, and a plurality of neighbor BSs. The serving BS transmits, to the MSS, a handover request messag... | 09/22/2009 |
| 7590422 | Neighborhood cordless service call handoff A method and apparatus for providing telephone call hand offs between a local cordless service and a different wireless cellular service such as a macro-cellular service. The local cordless service may be configured such that a mobile telephone equipped subscriber m... | 09/15/2009 |
| 7590421 | Supporting idle mode of mobile station in wireless access system A method of supporting a mobile station that is in an idle mode in a wireless communication system using a paging controller comprises entering an idle mode by a mobile station, receiving a paging command from a base station in the same paging group, the paging comm... | 09/15/2009 |
| 7587204 | Cell re-selection utilizing system information length A method for performing cell re-selection in a cellular network includes a subscriber terminal measuring received powers of neighbor cells in accordance with system information received from a current cell, selecting one of the neighbor cells as a new cell, the subs... | 09/08/2009 |
| 7583966 | Mobile communications system, radio network controller, and active set control method An active set control method for handover operation in a CDMA communications system in which propagation conditions of an uplink channel and a downlink channel for an access link of cell are different, provides that when a cell is deleted from the active set based o... | 09/01/2009 |
| 7577435 | Method and system for mobile communications When a network pages the temporary user mobile identifier of a mobile station, the mobile station sends a response to the network. Next, the network checks the authenticity of the user using a ciphering key, corresponding to the temporary user mobile identifier and ... | 08/18/2009 |
| 7577434 | Handover method in wireless LAN by assigning an identification code to a mobile station A handover method is to provided by which a station can move between access points with interruption in communication minimized. An access point assigns mobile stations existing in its own wireless network to identification codes, different from station to station, ... | 08/18/2009 |
| 7574210 | System for handover in BWA communication system and method thereof Disclosed is a handover system in a BWA communication system. In the system, a serving BS broadcasts neighbor BS information including BS identifiers of a plurality of neighbor BSs and reference signal indices indicating reference signals used by the neighbor BSs, a... | 08/11/2009 |
| 7574209 | Dynamically obtaining neighborhood information Obtaining neighborhood information for a cell includes establishing the presence of a mobile node in a first cell having a first cell site. A communication session for the mobile node is facilitated. Neighborhood information is determined in response to facilitating... | 08/11/2009 |