Title:
METHOD AND APPARATUS FOR REDUCING INTER-CHANNEL INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO2003079577
Kind Code:
A3
Abstract:
Method and apparatus for reducing interference in a wireless communication system when the source of interference is a deterministic component of the system. In one embodiment, the receiver weights the transmitters according to when the source of interference is transmitted. Further, the transmitter may employ power boosting to overcome the source of interference. In one embodiment, a W-CDMA system transmits a sync channel concurrently with physical channels, wherein the sync channel is not orthogonal to the physical channels. The receiver may cancel the sync channel when receiving control or data information. Similarly, the receiver may weight the transmissions from multiple transmitters.
Inventors:
WILLENEGGER SERGE
MALLADI DURGA P
BLANZ JOSEF J
MALLADI DURGA P
BLANZ JOSEF J
Application Number:
PCT/US2003/007950
Publication Date:
January 20, 2005
Filing Date:
March 13, 2003
Export Citation:
Assignee:
QUALCOMM INC (US)
International Classes:
H04B7/005; H04B7/02; H04L1/00; H04L12/56; H04B1/707; H04B7/26; (IPC1-7): H04B7/08; H04B7/26
Domestic Patent References:
| WO2002013548A2 | 2002-02-14 | |||
| WO2001035564A2 | 2001-05-17 | |||
| WO2003043239A1 | 2003-05-22 |
Foreign References:
| US6192238B1 | 2001-02-20 | |||
| US6175587B1 | 2001-01-16 | |||
| GB2369018A | 2002-05-15 | |||
| US20020131390A1 | 2002-09-19 |
Other References:
"UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS);PHYSICAL CHANNELS AND MAPPING OF TRANSPORT CHANNELS ONTO PHYSICAL CHANNELS (FDD)", ETSI TS 125 211 V3.1.1, XX, XX, 2 November 2000 (2000-11-02), pages 1 - 38, XP002151815
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