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YU Yi, SONG Yi, CAI Zhijun, FONG Mo Han, SUZUKI Takashi: RÉALISATION DÉCONOMIES DÉNERGIE SUR LA BATTERIE DUN ÉQUIPEMENT DUTILISATEUR DANS UN DÉPLOIEMENT HETNET AVEC EICIC, USER EQUIPMENT BATTERY SAVING IN A HETNET DEPLOYMENT WITH EICIC. Research In Motion, YU Yi, SONG Yi, CAI Zhijun, FONG Mo Han, SUZUKI Takashi, COX Michael E, August 16, 2012: WO/2012/108876 (30 worldwide citation)

Devices and methods are provided for reducing client node power consumption when monitoring first and second channels corresponding to first and second access nodes in a heterogeneous wireless-enabled communications environment. Enhanced Inter-Cell Interference Coordination (eICIC) operations are pe ...


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Cai Zhijun, Al Bakri Ban, Burbridge Richard: Method and apparatus for controlling access to a multimedia broadcast multicast service in a packet data communication system. Motorola, Cai Zhijun, Al Bakri Ban, Burbridge Richard, MCCORMACK Derek J, November 18, 2004: WO/2004/100590 (13 worldwide citation)

A communication system (100) determines whether to establish a point-to-multipoint communication or a point-to-point communication for conveyance of Multimedia Broadcast Multicast Service (MBMS) data based on a number of mobile stations (MSs) (102-104), both idle mode and maintaining an active conne ...


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Cai Zhijun, Chen Bonnie: Method and apparatus for providing session data to a subscriber to a multimedia broadcast multicast service. Motorola A Corporation Of The State Of Delaware, Cai Zhijun, Chen Bonnie, MAY Steven A, February 17, 2005: WO/2005/015804 (9 worldwide citation)

A communication system (100) that includes a Multimedia Broadcast Multicast Service (MBMS) service provides re-broadcasts of an event to subscribers (102-104) to the MBMS service. An infrastructure (124) included in the communication system and comprising a server (118) coupled to a RAN controller ( ...


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Padmaja Putcha, Burbidge Richard C, Cai Zhijun, Stewart Kenneth A: Multicasting data method in a radio communication system. Motorola, Padmaja Putcha, Burbidge Richard C, Cai Zhijun, Stewart Kenneth A, NOSKOWICZ David S, July 28, 2005: WO/2005/067492 (9 worldwide citation)

The present invention provides a method for receiving broadcast data in a system where broadcast data is transmitted on a plurality of frequencies. A user device monitors (302) a first frequency (108) for broadcast data to be transmitted on the first frequency. The device receives on the first frequ ...


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Yu Yi, Womack James Earl, Cai Zhijun: Rank indicator transmission during discontinuous reception. Research In Motion, Yu Yi, Womack James Earl, Cai Zhijun, CONLEY ROSE PCet al, October 1, 2009: WO/2009/120465 (7 worldwide citation)

A user equipment (UE) is disclosed. The UE includes a processor configured to transmit a rank indicator (RI) using one of an assigned periodic RI reporting resource that precisely aligns with the start on an on-duration of a discontinuous reception (DRX) operation mode of the UE and a first assigned ...


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HU Rose Qingyang, CAI Zhijun, BONTU Chandra S, FONG Mo Han, YU Yi, SONG Yi: Procédures de mobilité hybride en mode veille dans un réseau hétérogène, Idle mode hybrid mobility procedures in a heterogeneous network. Research In Motion, HU Rose Qingyang, CAI Zhijun, BONTU Chandra S, FONG Mo Han, YU Yi, SONG Yi, BROWN J Robert Jr, January 19, 2012: WO/2012/008957 (6 worldwide citation)

A UE comprising a processor configured to perform cell selection based on range expansion according to a cell selection criteria that considers both a control channel quality and a data channel quality and further according to a cell ranking criterion. A fall back cell selection may be provided if a ...


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Cai Zhijun, Womack James Earl, Suzuki Takashi, Young Gordon Peter, Yu Yi: Method and system for the control of discontinuous reception in a wireless network. Research In Motion, Cai Zhijun, Womack James Earl, Suzuki Takashi, Young Gordon Peter, Yu Yi, AGARWAL Brij K, October 29, 2009: WO/2009/132329 (6 worldwide citation)

Methods and apparatus for controlling discontinuous reception on a mobile device and in particular to control a short discontinuous reception timer in response to receipt of a medium access control control element. The methods and apparatus include stopping, restarting or maintaining the short disco ...


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Womack James Earl, Cai Zhijun, Yu Yi: System and method for uplink timing synchronization in conjunction with discontinuous reception. Research In Motion, Womack James Earl, Cai Zhijun, Yu Yi, AGARWAL Brij K, August 13, 2009: WO/2009/099931 (6 worldwide citation)

A system and method are disclosed for providing uplink timing synchronization during DRX operation in a wireless communication system.


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Cai Zhijun, Young Gordon Peter, Womack James Earl, Suzuki Takashi: Method and system for configuring a long drx cycle in a lte ( e-utra) mobile communications network. Research In Motion, Cai Zhijun, Young Gordon Peter, Womack James Earl, Suzuki Takashi, BUCCHIANERI Stephen A, September 24, 2009: WO/2009/117634 (5 worldwide citation)

Methods and apparatus for configuring a discontinuous reception "DRX" period from an evolved Node B for a user equipment, including: sending a iong DRX Medium Access Control, MAC, Control Element, CE, from the eNB if preconditions are met, and at the UE determining whether a short DRX period is conf ...


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HEO Youn Hyoung, FONG Mo han, BUCKLEY Michael Eoin, EARNSHAW Mark, CAI Zhijun: TRANSMISSION DE SIGNAL DE RÉFÉRENCE SONORE DANS UN SYSTÈME À AGRÉGATION DE PORTEUSES, SOUNDING REFERENCE SIGNAL TRANSMISSION IN CARRIER AGGREGATION. Research In Motion, HEO Youn Hyoung, FONG Mo han, BUCKLEY Michael Eoin, EARNSHAW Mark, CAI Zhijun, TERRILE Stephen A, March 22, 2012: WO/2012/036704 (4 worldwide citation)

A cell-specific sounding reference symbol (SRS) subframe configuration and UE-specific SRS configuration are defined for carrier aggregation. For the cell- specific SRS subframe configuration, the same cell-specific SRS subframes are configured for all uplink (UL) carrier components (CCs). For the U ...