Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2007-10-23
2007-10-23
Anderson, Matthew D. (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S517000, C455S522000, C455S509000, C455S516000, C455S526000, C455S428000, C455S455000, C455S003050, C455S090200, C455S090300, C370S278000, C370S280000, C370S311000, C370S330000, C370S335000, C370S337000, C370S342000
Reexamination Certificate
active
10547586
ABSTRACT:
A method is proposed for maintaining uplink synchronization with P2P communication in wireless communication networks, comprising steps of: the wireless communication system overhears the P2P communication between two UEs (user equipments), determines the SS (synchronization shift) information of said UEs according to the overheard information transferred by each UE in P2P communication, and transmits the SS information to the corresponding UE via the downlink common control channel; the UE monitors the downlink common control channel, and adjusts the TA (timing advance) for transmitting signals according to the SS information transferred via the downlink common control channel.
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3rd Generation Partnership Project; 3GPP TS 25.402 v5.1.0, Jun. 2005, pp. 1-46, XP002261398.
Cheng Jiang
Du Yonggang
Jia Qunli
Ma Ni
Sun Li
Aminzay Shaima Q.
Koninklijke Philips Electronics , N.V.
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