Method and apparatus for supporting direct link communication in TDD CDMA system
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United States of America Patent
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Oct 23, 2007
Grant Date -
Nov 2, 2006
app pub date -
Mar 29, 2004
filing date -
Apr 11, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for supporting P2P communication between two user equipments in TDD CDMA systems, performed by user equipment, comprising: receiving signals transferred via the downlink control channel from network system; acquiring the timeslot allocation information and the spreading code allocation information of other active user equipments allocated in the specific downlink timeslot associated with the direct link used by said user equipments, according to the received signals; and synchronizing the P2P communication signals received by the user equipment and signals from network system, according to the acquired timeslot allocation information and spreading code allocation information, so as to reduce the interference caused by the downlink signals transmitted from network system to other user equipments during the P2P communication process.
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