Low complexity detection in digital receivers

Details Low complexity detection in digital receivers Low complexity detection in digital receivers

2002-11-19

2008-10-28

Ahn, Sam K (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

Reexamination Certificate

active

07443908

ABSTRACT:
A receiver for receiving digital signals exposed to intersymbol interference as well as multiple access interference the method including linearly detecting said signals by combating said intersymbol interference by equalizing said received digital signals as well as mitigating said multiple access interference by detecting said digital signals using sliding window detection.

REFERENCES:
patent: 5388127 (1995-02-01), Scarpa
patent: 6047020 (2000-04-01), Hottinen
patent: 6724743 (2004-04-01), Pigeonnat
patent: 6885654 (2005-04-01), Pan et al.
patent: 2001/0024426 (2001-09-01), Zeira et al.
patent: 2003/0112904 (2003-06-01), Fuller et al.
Partor et al. Impact of Channel Estimation on the 3GPP-TD-CDMA, 2001, IEEE,p. 3365-3369.
Demir et al. U.S. Appl. No. 60/328,590.
Castoldi, P., et al., “Low Complexity Group Detectors for Multirate Transmission in TD-CDMA 3G Systems,”Wireless Broadband Symposium(Globecom 2000). San Francisco: 25-30, Nov. 27, 2000.
Ghauri, I., et al., “Linear receivers for the DS-CDMA Downlink Exploiting Orthogonality of Spreading Sequences,”32ndAsilomar Conf. on Sig., Syst. and Comp.: 650-654, Nov. 1998.
Haardt, M., et al., “The TD-CDMA Based UTRA-TDD Mode,”IEEE Journal on Sel. Areas in Comm. 18(8): 1375-1385, Aug. 2000.
Holma, H., et al., “Interference Considerations for the Time Division Duplex Mode of the UMTS Terrestrial Radio Access,”Journal on Sel. Areas in Comm.18(8): 1386-1393, Aug. 2000.
Klein, A., “Data Detection Algorithms Specially designed for the Downlink of CDMA Mobile Radio Systems,”Vehicular Technology Conference(VTC '97), Phoenix, AZ:203-207, May 1997.
Klein A., et al., “Equalizers for multi-user detection in code division multiple access mobile radio systems,”Vehicular Technology Conference(VTC '94): 762-766, 1994.
Klein A., et al., “Linear Unbiased Data Estimation in Mobile Radio Systems Applying CDMA,”IEEE Journal on Sel. Areas in Comm. 11(7): 1058-1066, Sept. 1993.
Klein, A., et al., “Zero Forcing and Minimum Mean-Square-Error Equalization for Multiuser Detection in Code Division Multiple-Access Channels,”IEEE Trans. on Vehicular Technology 45(2): 276-287, May 1996.
Mitra, U., “Comparison of Maximum-Likelihood-Based Detection of Two Multirate Access Schemes for CDMA Signals,”IEEE Trans. on Comm. 47(1): 64-67, Jan. 1999.
“3GPP TS 25.221 v4.0.0,”3rd Generation Partnership Project(3GPP)website, Radio Interface Technical Specifications,ftp://ftp.3gpp.org/Specs/2001-06/>: 1-87, Dec. 2000.
“3GPP TS 25.301 v4.1.0,”3rd Generation Partnership Project(3GPP)website, Radio Interface Technical Specifications,ftp://ftp.3gpp.org/Specs/2001-06/>: 1-39, Jun. 2001.

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