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| Number | Title | Issue Date |
| 7715843 | Electronic message exchange over multiple wireless communication networks with a single device Electronic messages such as pages are exchanged between a user device and a message service using one of multiple wireless communication networks. The wireless communication networks may include mobile and/or fixed wireless networks. The user device registers with t... | 05/11/2010 |
| 7711364 | User equipment (UE) assisted system database update A wireless communication system includes a base station that receives information regarding neighboring wireless systems and updates and stores this information for use in handover of user equipments (UEs). ... | 05/04/2010 |
| 7711363 | Method and apparatus for controlling communications of data from multiple base stations to a mobile station in a communication system An apparatus and method provides for controlling communications from multiple base stations to a mobile station in a communication system. A mobile station transmitter transmits from the mobile station channel quality indicator data of a first base station. The data... | 05/04/2010 |
| 7706799 | Reduced wireless context caching apparatus, systems, and methods Replay counter cache reduction mechanisms are described herein. ... | 04/27/2010 |
| 7706798 | Discovery of neighbour cell beacon frequencies in mobile networks In order to discover at least part of a frequency list used by an active wireless device in a cellular communications network for neighbour cell signal measurements, measurement reports are extracted from messages carrying reports of measurements relating to propaga... | 04/27/2010 |
| 7706795 | Communication system receiver and method for concurrent receiving of multiple channels A method and apparatus in a communication system provide for concurrent processings of signals at the different frequencies. A received signal is down converted in a RF/IF system (490) to produce on-channel and out-of-channel received samples (305, 306... | 04/27/2010 |
| 7706796 | User terminal-initiated hard handoff from a wireless local area network to a cellular network A system and method are provided for supporting a multi-mode portable user terminal (UT) hard handoff procedure for a call from a wireless local area network (WLAN) to a cellular telephone network. The method includes: establishing a link between a UT and a serving ... | 04/27/2010 |
| 7706797 | Method for inter-system inter-MSC handover to UMA Disclosed is a method of executing a handover in a system including a core network comprising two mobile services switching center. Both mobile services switching center can be accessed to by a cellular access as well as by a non-cellular access. The system further ... | 04/27/2010 |
| 7702334 | Prevention of unnecessary hand-over caused by fading A hand-over control method is disclosed to control the change of connections between a radio communication terminal and a plurality of radio communication base stations for radio communication. The received power of a signal from a radio communication base station i... | 04/20/2010 |
| 7693519 | Method and apparatus for reducing link interference by a link between a user equipment component and an access network component A method and apparatus are described for reducing link interference by a link between a user equipment component and an access network component. The user equipment component and access network component are connected by links over dedicated channels in respective d... | 04/06/2010 |
| 7693518 | Handoff control method and mobile station First, the strength A of a first pilot signal currently transmitted by a base station and strength B of a second pilot signal transmitted by a base station other than the foregoing base station are measured, the correction value D of a handoff threshold value accord... | 04/06/2010 |
| 7693520 | System and method for selecting a serving base station according to a drop of a mobile subscriber station in a broadband wireless access communication system Disclosed are a system and a method for selecting a new serving base station when a drop occurs in a mobile subscriber station in a broadband wireless access communication system including the mobile subscriber station, a serving base station communicating with the ... | 04/06/2010 |
| 7693517 | System and method for handoff between base stations A system and method for handoff are provided. A mobile station performs a make-before-break handoff of a control channel between a serving and target base station and a break-before-make handoff of a traffic channel between the serving and target base stations. The ... | 04/06/2010 |
| 7689220 | Radio communication terminal and communication method A radio communication terminal according to the present invention includes: a transmitter-receiver configured to transmit voice and image data to a destination communication terminal, and to receive the voice and image data from the destination communication termina... | 03/30/2010 |
| 7684801 | Control device, handover control method and mobile communication system An object of the present invention is to avoid packet loss and implement a seamless handover by minimizing the handover latency when a handover is implemented by a multihomed moving network (MN) or a mobile host (MH). The present invention is a mobile communication ... | 03/23/2010 |
| 7684800 | Method of triggering a handover A method of triggering a decision of a wireless communication system on a handover and/or of triggering a handover by means of at least one trigger signal. Using a generic algorithm for triggering handover trigger signals. The algorithm uses generic parameters repre... | 03/23/2010 |
| 7684802 | Communications handoff using an adaptive antenna One implementation provides a novel station-to-station handoff using an adaptive or directional antenna. The directional antenna generates a plurality of directional search beams to search for pilot signals from new base stations. The search beams are scanned one be... | 03/23/2010 |
| 7684803 | Network controller messaging for ciphering 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... | 03/23/2010 |
| 7684798 | Method of pre-authorizing handovers among access routers in communication networks An apparatus and method is provided for facilitating the handoff of a mobile terminal from a first access device in a first network to a second access device in a second network. Prior to performing a handoff operation, the first access device inquires as to whether... | 03/23/2010 |
| 7684799 | Method for data transfer with a mobile station while in discontinuous reception state A method for sleep mode during an impending handover is disclosed. The method comprises receiving (104) from a network a handover threshold value. Then once in sleep mode, monitoring (128) a channel condition of a handover candidate cell and determinin... | 03/23/2010 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
