Reference sequence construction for fast cell search

Details Reference sequence construction for fast cell search Reference sequence construction for fast cell search

2011-06-21

2011-06-21

Afshar, Kamran (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S343000, C370S324000, C370S350000, C375S260000, C455S502000

Reexamination Certificate

active

07965689

ABSTRACT:
A method and apparatus for fast cell search based on a chirp reference signal transmission is disclosed herein. A primary synchronization channel (P-SCH) and two secondary synchronization channels (S-SCH1and S-SCH2) will be utilized. S- SCH1will comprise a reference sequence having a first index value and S-SCH2will comprise a reference sequence having a second index value. S-SCH1and S- SCH2will be scrambled with a first and a second scrambling code, respectively. The second scrambling code will be based on the first index value.

REFERENCES:
patent: 7693123 (2010-04-01), Rudolf
patent: 2005/0169349 (2005-08-01), Hwang et al.
patent: 2005/0226140 (2005-10-01), Zhuang et al.
patent: 2006/0187887 (2006-08-01), Kim et al.
patent: 2007/0133386 (2007-06-01), Kim et al.
patent: 2007/0133390 (2007-06-01), Luo et al.
patent: 2008/0107086 (2008-05-01), Fukuta et al.
patent: 2009/0185541 (2009-07-01), Tanno et al.
patent: 2009/0323642 (2009-12-01), Tanno et al.
patent: 2010/0091907 (2010-04-01), Noh et al.
patent: 2010/0098031 (2010-04-01), Charbit
patent: 1065825 (2001-01-01), None
patent: W02003085855 (2003-10-01), None
patent: W02006023423 (2006-03-01), None
patent: W02007136931 (2007-11-01), None
3GPP document, R1-063302, NTT DoCoMo, Mitsubishi Electric, Panasonic, “SCH Sequence Configuration for E-UTRA Downlink,” 3GPP TSG RAN WG1 Meeting # 47, Riga, Latvia, Nov. 6-10, 2006.
Sharma, et al., “Fast Cell Synchronization for Beyond 3G OFDMA based System,” 2006 IFIP International Conference on Wireless and Optical Communications Networks, Apr. 11-13, 2006, pp. 1-5.
Kwang, et al., “A Preamble-Based Cell Searching Technique for OFDM Cellular Systems,” Vehicular Technology Conference, Oct. 6-9, 2003, pp. 2471-2475.
Lee, et al., “OFDMA Uplink Ranging for IEEE 802.16e Using Modified Generalized Chirp-Like Polyphase Sequences,” 2005 1st IEEE/IFIP International Conference in Central Asia on Internet, Sep. 26-28, 2005, pp. 1-5.
Motorola contribution (R1-061711), “Enhancement of SCH Structure,” for 3GPP TSG RANI LTE Ad Hoc, Cannes, France, Jun. 27-30, 2006, pp. 1-6.
Motorola contribution (R1-062070), “SCH Structure and Sequence for EUTRA Downlink,” for 3GPP TSG RAN1 #46, Tallinn, Estonia, Aug. 28-Sep. 1, 2006, pp. 1-5.
SHRCWC, RITT contribution (R1-061140), Consideration on Multi-Cell interface for SCH Design in Cell Search and TP, for 3GPP RAN WG1 #45, Shanghai, China, May 8-12, 2006. pp. 1-7.
Carol Emery, “PCT/US2007/082190—PCT International Search Report and Written Opinion,” WIPO, ISA/EP, European Patent Office, Rijswijk, Netherlands, Apr. 23, 2008.
Motorola, Inc., “R1-062069—Synch Sequence e-mail Reflector Summary,” 3GPP TSG RAN1, # 46, Tallinn, Estonia, Aug. 28-Sep. 1, 2006, 21 pp.
Higuchi, et al., “RCS2006-35—Physical Channel Strucdtures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink,” IEICE Tec. Rep., vol. 106, No. 119, Jun. 2006, pp. 1-6.
Nagata, et al., “RCS1006-152—Comparison on Cell Search Time Performance between Hierarchical and Non-Hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink,” IEICE Tec. Rep., vol. 106, No. 305, Oct. 2006, pp. 113-117.
Interdigital, “Further Consideration on Cell Search for E-UTRA”, RI-071102, 3GPP TSG RANI #48, St. Louis, US, Feb. 2007.
Etri,“S-SCH structure for EUTRA cell search.”, RI-070750, 3GPP TSG RANI WGI #48, St. Louis, USA, Feb. 2007.
Qualcomn Europe,“Hypothesis partitioning for initial cell search-link performance.”, RI-070650, 3GPP TSG-RAN WGI #48, St. Louis, USA, Feb. 2007.
Tanno,M et al.“Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink.”, In: Wireless Communications and Networking Conference, 2007.WCNC, IEEE, Mar. 2007, pp. 1506-1511.
Patent Cooperation Treaty, International Search Report and Written Opinion of the International Searching Authority for International Application No. PCT/US2008/062210 (CML04901M), Aug. 26, 2008, 8 pages.

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