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Telecommunications > Radiotelephone System > Zoned Or Cellular Telephone System > Handoff > Soft Handoff Soft HandoffSoft Handoff patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.03/01/07 - 20070049280 - Uplink soft handoff support in umts tdd systems for efficient uplink power and rate control Systems and methodologies are described that facilitate supporting uplink soft handoff in a UMTS TDD wireless communication environment. A virtual active set (VAS) for each user device can be generated at the network side of the communication environment, and sectors listed in each VAS can be informed of their respective ... 03/01/07 - 20070049279 - Method and system for performing a soft handoff in an ofdma wireless network A method for performing a soft handoff for a mobile station from a source base station to a target base station in an Orthogonal Frequency-Division Multiple Access (OFDMA) wireless network that is capable of communicating with a plurality of mobile stations in a coverage area of the OFDMA wireless network ... 01/18/07 - 20070015513 - Method and apparatus to facilitate forward channel gain adjustment with respect to soft handoff Upon detecting (101) at least a potential soft handoff of a mobile station, wherein the soft handoff would entail a net reduction in allocated system resources for that mobile station, one automatically facilitates adjustment (103) of the forward channel gain for at least one base station as is presently supporting ... 01/11/07 - 20070010253 - Wireless telecommunications with adjustment of uplink power level A control node (26) of a radio access network (24) comprises a soft handover unit (62) and a power control unit (50). The soft handover unit (62) controls a soft handover procedure wherein a user equipment unit (30) has diversity in radio transmissions with plural radio base stations (28) comprising ... 01/04/07 - 20070004416 - Mobile communication system, mobile terminal and mobile terminal transmission scheduling method Disclosed is a mobile terminal transmission scheduling method for a mobile communication system. In each cell of this system, adjustment regions are provided externally adjacent to a soft-hand-over region. A mobile terminal (MT), upon entering this adjustment region, transmits an adjustment region scheduling request to a radio network controller (RNC) ... 01/04/07 - 20070004415 - Soft handover A method of selecting an active base station during soft handover is disclosed. The active base station is for receiving data from a source user equipment for onward transmission to a destination user equipment. The method comprises determining a measure of a quality of service from the base station to ... 12/28/06 - 20060293056 - Method and apparatus for transmitting/receiving downlink data for ue in soft handover region in an ofdm system A method and apparatus for transmitting and receiving downlink data for signal combining at a UE in an OFDM cellular system are provided. A Node B sends combining information to the UE, and combinable cells use the same radio resources and the same scrambling sequence in data transmission to the ... 12/14/06 - 20060281464 - 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 controller, includes selecting one of the ... 12/14/06 - 20060281463 - Method for triggering handover of mobile terminal and system thereof A method for triggering a communication event of a mobile terminal is provided. The method includes transmitting a message from the mobile terminal to a radio network controller (RNC) to request a specific event be performed; and re-transmitting the message from the mobile terminal to the RNC based on a ... 11/30/06 - 20060270410 - Mobile communication method and radio network controller A mobile communication method, including: keeping, at the mobile station, both Enhanced Dedicated Physical Channels and Dedicated Physical Channels connected to same cells, when the mobile station is performing soft-handover. ... 11/30/06 - 20060270409 - Grouping messages into a single call trace A method, apparatus and computer readable medium having stored thereon computer-executable instructions to facilitate a Universal Mobile Telecommunication System (UMTS) mobile call using a call trace session. The method includes the operations of comparing a plurality of interface captures for lub and lur interfaces to determine whether signaling and user ... 11/02/06 - 20060246907 - Apparatus, method and computer program providing enhanced fractional dedicated physical channel downlink power control during soft handover A method includes establishing a first radio link with a serving network entity and a second radio link with a target network entity, commencing a soft handover from the serving network entity to the target network entity, receiving a quality target from a network comprising the serving and target network ... 11/02/06 - 20060246906 - Method to handover dedicated and shared resources while in dual transfer mode A method for the handover of dedicated as well as shared resources for a communication device. The communication device simultaneously uses circuit switched and packet switched bearer services of a communication network according to a certain connection mode. The method comprises performing a handover procedure, wherein a change from old ... 10/12/06 - 20060229077 - Soft handoff method and apparatus for mobile vehicles using directional antennas A system and method for implementing soft handoffs in a communications system on a mobile platform. The system employs an antenna controller in communication with a beam forming network that generates two independently aimable lobes from a single beam. The single beam is radiated by a phased array antenna on ... 10/12/06 - 20060229076 - Soft handoff method and apparatus for mobile vehicles using directional antennas A system and method for implementing soft handoffs in a cellular communications system on a mobile platform. The system employs an antenna controller in communication with a beam forming network that generates two independently aimable lobes from a single beam. The single beam is radiated by a phased array antenna ... 09/07/06 - 20060199588 - System and method for supporting quality of service in vertical handovers between heterogeneous networks A method, system, and business model are disclosed for supporting handover between a mobile host and a corresponding node located in a heterogeneous network. Handover paths are established to accommodate a plurality of quality of service properties. Admission control is performed that considers the established handover paths and an established ... 09/07/06 - 20060199587 - Radar detection circuit for a wlan transceiver A single chip radio transceiver includes circuitry that enables detection of radar signals to enable the radio transceiver to halt communications in overlapping communication bands to avoid interference with the radar transmitting the radar pulses. The radio transceiver is operable to evaluate a number of most and second most common ... 08/31/06 - 20060194583 - 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 a random number. If the temporary user ... 08/03/06 - 20060172739 - Avoidance of overload in sho To prevent oscillation of the load on a radio interface between a user equipment device and a base station of a non-serving cell scheduled in a decentralized way by a base station of a serving cell, a centralized control action is performed by a radio network controller to reduce load ... 07/06/06 - 20060148480 - Radio configuration-based handoff parameter adjustment A method and apparatus facilitate soft handover in a CDMA RAN (100) based on a requested set of soft handover parameters from a plurality of sets of soft handover parameters associated with a corresponding plurality of radio configurations. A mobile station (140) can request a set of soft handover parameters ... 06/01/06 - 20060116127 - Handoff for cellular and internet protocol telephony A telephone system supports communication with user devices over both a cellular radio network as well as over an Internet Protocol (IP) network, and enables roaming and active call handoff between cellular and IP domains. Components of the system interact with conventional cellular telephone systems, for example, by emulating behavior ... 05/25/06 - 20060111115 - Method and apparatus for inter-system active handoff of a hybrid subscriber unit A communication system provides for an active handoff of a voice call between a packet switched network and a circuit switched network. An active handoff from the packet switched network to the circuit switched network is accomplished by multicasting the call over forward links of both networks during the handoff. ... 05/25/06 - 20060111114 - Method and apparatus for inter-system active handoff of a hybrid subscriber unit A communication system provides for an active handoff of a voice call between a packet switched network and a circuit switched network. An active handoff from the packet switched network to the circuit switched network is accomplished by multicasting the call over forward links of both networks during the handoff. ... 04/06/06 - 20060073830 - Soft handoff system, mobile terminal having the same, and soft handoff method Disclosed are a soft handoff system, a soft handoff method, and a mobile terminal equipped with the soft handoff system. The soft handoff system for a mobile terminal analyzes periodically monitored wireless conditions of neighbor base stations, transmits a PSMM (Pilot Strength Measurement Message) to a current base station when ... 03/30/06 - 20060068791 - Derivation of optimal antenna weights during soft handover Wireless communication method and system for improving optimal antenna weight derivation in transmit diversity mode during soft handover. The method and system use scale factors that depend on the reliability of the feedback information (FBI) detection on the uplink. Depending on FBI detections for each link, the scale factors are ... 03/23/06 - 20060063531 - System and method for providing a bcmcs service in a wireless communication system A system and method for providing broadcast traffic according to the location of an access terminal (AT) are provided. The AT determines whether a registration request for soft combining from an access network transceiver system (ANTS) belonging to a candidate set is present when an overhead message is received from ... 03/02/06 - 20060046724 - Soft handoff management The invention is a method for performing a soft handoff of a mobile terminal (MT) from a source (BSC) to a target BSC in a telecommunication network. The method further detects a failure at one of the target BSC and the source BSC that handle a call for the MT. ... 02/23/06 - 20060040669 - Mobile communication system and downlink transmission power control method thereof Base stations concerned with soft hand-over respecting a mobile terminal notify sums of control values to a wireless network controller at intervals of the predetermined number of frames. In each base station, the control values are obtained by decoding common transmission power control signals transmitted by the mobile terminal at ... 02/09/06 - 20060030327 - Code combining and packet combining handoff method A code combining soft handoff method is disclosed. A mobile terminal measures a strength of respective pilot signals received from a plurality of base stations. If the strength of the received pilot signal is higher than a given value, a base station controller allocates a new code pattern to the ... 01/12/06 - 20060009224 - Apparatus and method for supporting soft handover in broadband wireless access communication system Disclosed is an apparatus and method for allocating downlink/uplink subchannels for a soft handover in a broadband wireless access communication system, wherein the method includes the steps of configuring FUSC subchannels based on a predetermined FUSC subchannel configuration scheme by using an equal seed value in all cells; allocating a ... 12/29/05 - 20050288028 - System and method for performing soft handover in broadband wireless access communication system Disclosed is a system and method for performing soft handover in a broadband wireless access communication system. An anchor base station transmits first information including channel assignment information of an active non-anchor base station when it is determined that a mobile station is to perform the soft handover, and when ... 12/29/05 - 20050288027 - Apparatus and method for supporting soft handover in broadband wireless access communication system A method for supporting a handover in a broadband wireless access communication system including an MSS, a serving BS providing service to the MSS, and a plurality of neighbor base stations, in which each of the BSs includes cells using different sub-channel bands. The method includes: measuring, by the BSS, ... 12/29/05 - 20050288026 - System and method for supporting soft handover in broadband wireless access communication system Disclosed is a method for supporting a serving BS currently providing an MS with a communication service to perform handover in a broadband wireless access communication system which includes the MS, the serving BS and a target BS to which handover of the MS is directed. In such a method, ... 12/29/05 - 20050288025 - Radio communication system and base station A radio communication system includes a grouping unit for grouping a plurality of base stations into a plurality of groups (Soft Handoff Groups) and a determining unit for selecting base stations belonging to one and the same group selected from the groups produced by the grouping unit and for determining ... 12/15/05 - 20050277420 - Single-sign-on method based on markup language and system using the method A single-sign-on method in a wired/wireless hybrid environment and a system using the method are provided. The single-sign-on method includes: requesting user authentication by transmitting information required for authentication of a user using wireless Internet to an authentication message generator; generating authentication domain location information including location information of a ... 12/15/05 - 20050277419 - Cellular system, base station, mobile station, and communication control method Immediately before transmitting a packet signal, a packet transmission base station (BS1) increases a target ISR of UL DPCH (S12), increases the TPC transmission power transmitted by the DPCH (S13), increases a power balancing reference power, and increases a DL DPCH transmission power (S14). In a mobile station (MS3), during ... 11/10/05 - 20050250500 - Communication method, packet radio system, controller and user terminal A communication method, a packet radio system, a controller and a user terminal. The packet radio system includes a controller, a user terminal and more than one base stations communicating with the controller and a user terminal of the packet radio system. A processing unit of the controller is further ... 10/27/05 - 20050239467 - Communication terminal device, base station device, and transmission power control method In a wireless communication system operating in a mixed channel environment involving A-DPCH (Associated—Dedicated Physical CHannel) to which soft handover applies and HS-DPCCH (High Speed—Dedicated Physical Control CHannel) to which hard handover applies, in order to keep the received SIR of HS-DPCCH at the required SIR by performing transmission power ... 10/20/05 - 20050233749 - 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 the wireless interface and a broadband network. The gateway may support multimedia communication ... 10/06/05 - 20050221830 - Terminal device, and in-zone cell checking method and cell re-selection method thereof A terminal device including a radio unit that adopts code division multiple access (cdma), which device omits unnecessary cell search by extending an in-zone cell monitoring cycle and a re-selection cycle in a case where under fixed conditions during cell search, when a physical layer and an RRC of the ... 09/22/05 - 20050208946 - Power balancing for downlink fast power control using central processing A method of performing a soft handoff in a third generation (3G) cellular system comprising the steps of receiving a request for a change in power from a communications device at a plurality of base stations; sending the request from at least one of the base stations to a central ... 09/08/05 - 20050197126 - Handover system and method for minimizing service delay due to pingpong effect in a broadband wireless access communication system In a BWA communication system, an MSS changes its connection from the serving BS to the target BS, and sends the target BS a report indicating that the MSS will change its connection upon detecting occurrence of a pingpong effect in a process of performing a network re-entry operation with ... 09/01/05 - 20050192012 - Combined base transceiver station and base station controller handoff A system, method, and computer readable medium for a softer handoff comprises receiving a Pilot Strength Measurement Message (PSMM) to request a handoff by a selector distribution unit (SDU), receiving a softer handoff request message by a channel element control (CEC), receiving a softer handoff request message by a radio ... 07/14/05 - 20050153697 - Method and system for dynamic soft handoff resource allocation in a wireless network A method and system for dynamic soft handoff resource allocation in a wireless communications network includes determining a wireless path characteristic individually for each path of a macro diversity connection between a mobile device and a plurality of wireless sites. Wireless resources are allocated for the macro diversity connection between ... 06/02/05 - 20050119004 - Method of optimizing soft handover between radio network controllers The invention discloses a method of optimizing soft handover between Radio Network Controllers (RNCs). The method comprises: (a) UE measuring signals of co-frequency neighbor cell to obtain a measuring result, and reporting the measuring result to a SRNC; (b) The SRNC making a handover decision to determine whether to make ... 06/02/05 - 20050119003 - Method and system for providing a downlink connection in a cellular network The present invention relates to a method and system for providing a downlink connection in a cellular network. A feedback information indicating a selected cell is transmitted to a central network element (20) controlling at least two network elements (N1-N3) serving cells (C1-C3) of the cellular network. The at least ... ### FreshPatents.com Support |