Method and arrangement for mitigation of intercell...

Details Method and arrangement for mitigation of intercell... Method and arrangement for mitigation of intercell...

2011-04-05

2011-04-05

Sams, Matthew (Department: 2617)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C370S335000, C375S144000, C375S147000, C375S148000, C375S346000, C455S501000, C455S063100

Reexamination Certificate

active

07920537

ABSTRACT:
A method (400) and arrangement (200) for mitigation of intercell and intracell interference in a 3GPP cellular communication system (100) by, in a receiver in a cell of the system, deriving for a first channel in the cell a signal, representative of first channel transfer function (A(1)); deriving for at least a second channel originating in a different cell a signal (A(2 . . . M)), representative of second channel transfer function, based on: deriving a cell specific scrambling code (s), deriving a channel impulse response (h), and deriving a channelisation code (c); and performing multi-user detection using the first and second signals. Where the channelisation code is unknown, a substitute channelisation code is preferably substituted. It will be appreciated that the technique can be applied to both downlink and uplink. This provides the advantage that both intra-cell interference and intercell interference are mitigated.

REFERENCES:
patent: 6795417 (2004-09-01), Zeira et al.
patent: 6934271 (2005-08-01), Zeira et al.
patent: 6961395 (2005-11-01), Fuller et al.
patent: 7099377 (2006-08-01), Berens et al.
patent: 7139303 (2006-11-01), Jechoux et al.
patent: 7292563 (2007-11-01), Wales
patent: 7336599 (2008-02-01), Hwang et al.
patent: 7428278 (2008-09-01), Buchert et al.
patent: 7522559 (2009-04-01), Haim et al.
patent: 7684371 (2010-03-01), Haim et al.
patent: 7751512 (2010-07-01), Buchert et al.
patent: 7773704 (2010-08-01), Buchert et al.
patent: 2002/0051433 (2002-05-01), Affes et al.
patent: 2003/0210754 (2003-11-01), Buchert et al.
patent: 2003/0223398 (2003-12-01), Haim et al.
patent: 2004/0052236 (2004-03-01), Hwang et al.
patent: 2004/0116122 (2004-06-01), Zeira et al.
patent: 2004/0141548 (2004-07-01), Shattil
patent: 2004/0213186 (2004-10-01), Masuda et al.
patent: 2005/0111408 (2005-05-01), Skillermark et al.
patent: 2005/0232195 (2005-10-01), Jones
patent: 2005/0270991 (2005-12-01), Pan et al.
patent: 2007/0147309 (2007-06-01), Brouwer
patent: 1 304 815 (2003-04-01), None
patent: 2 381 422 (2003-04-01), None
patent: 2397724 (2004-07-01), None
patent: WO 01/58041 (2001-08-01), None
“Universal Mobile Telecommunications System (UMTS); Spreading and Modulation (TDD) (3GPP TS 25.223 Version 5.0.0 Release 5),” (Mar. 2002). ETSI 125 223 v5.0.0:1-37.
Great Britain Search Report mailed Sep. 16, 2004, for Great Britain Application No. 0405166.0 filed Mar. 8, 2004, 3 pages.
3rd Generation Partnership Project, Technical Specification Group Radio Access Network, UTRAN overall description (release 6) 3GPP TS 25.401 V6.7.0 (Sep. 2005).
3rd Generation Partnership Project, Technical Specification Group Services and System Aspects, General Packet Radio Service (GPRS), Service Description, Stage 2 (Release 6) 3GPP TS 23.060 V6.11.0 (Dec. 2005).
3rd Generation Partnership Project, Technical Specification Group Radio Access Network, Physical channels and mapping of transport channels onto physical channels (TDD) (Release 6) 3GPP TS 25.221 V6.4.1 (Jun. 2005).
3rd Generation Partnership Project, Technical Specification Group Radio Access Network, Spreading and modulation (TDD) (Release 6) 3GPP TS 25.223 V6.0.0 (Dec. 2003).
Hooli et al., Personal, Indoor and Mobile Radio Communications (2002) The 13thIEEE International Symposium on Sep. 15-18, 2002, 3:1437-1441.
International Search Report for PCT/EP2005/050755, mailed on Jul. 4, 2005, 3 pages.
Klein et al., IEEE Trans. VT (1996) 45(2):276-287.
Hooli et al., Adaptive Channel Equalization in WCDMA Downlink in Soft Handover, PIMRC 2002, 2002 IEEE.
Translation of Office Action issued on October 10, 2008 from Chinese Patent Application No. 200580013105.X.
British Examination Report Under Section 18(3) from British Application No. GB0405166.0 dated Jul. 7, 2008.
International Preliminary Report on Patentabilitiy date Sep. 8, 2006 from International Application No. PCT/EP2005/050755.

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