An Enhanced CDMA-BLAST System Employed Scrambling Codes

Feng Xing-le; Zhu Shi-hua; Wu Lin-jun

Volume 27 Issue 1

Jan. 2005

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Article Navigation > Journal of Electronics & Information Technology > 2005 > 27(1): 82-85

Feng Xing-le, Zhu Shi-hua, Wu Lin-jun . An Enhanced CDMA-BLAST System Employed Scrambling Codes[J]. Journal of Electronics & Information Technology, 2005, 27(1): 82-85.

Citation:

Feng Xing-le, Zhu Shi-hua, Wu Lin-jun . An Enhanced CDMA-BLAST System Employed Scrambling Codes[J]. Journal of Electronics & Information Technology, 2005, 27(1): 82-85.

Feng Xing-le, Zhu Shi-hua, Wu Lin-jun . An Enhanced CDMA-BLAST System Employed Scrambling Codes[J]. Journal of Electronics & Information Technology, 2005, 27(1): 82-85.

Citation:

Feng Xing-le, Zhu Shi-hua, Wu Lin-jun . An Enhanced CDMA-BLAST System Employed Scrambling Codes[J]. Journal of Electronics & Information Technology, 2005, 27(1): 82-85.

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An Enhanced CDMA-BLAST System Employed Scrambling Codes

Received Date: 2003-08-05
Rev Recd Date: 2004-04-21
Publish Date: 2005-01-19

Abstract

Abstract

A novel CDMA BLAST space-time code technique is proposed in this paper for the down link in a cellular CDMA system. Scrambling codes and orthogonal spreading codes are employed to identify different transmit antennas and different users, respectively. Due to good auto- and cross-correlation proprieties of the scrambling codes, the proposed scheme can obtain considerable improvement in the bit error rate performance without sacrifice of the precious orthogonal code resources.

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References(1)

References

Huang H, Viswanathan H, Foschini G J. Multiple antennas in efficiency[J].IEEE Trans. on Wireless Communications.2002,1(3):383-[2]Winters J H. Smart antennas for wireless systems[J].IEEE Personal Communications.1998, 5(1):23-27[3]Woliansky P W, et al.. V-BLAST: An architecture for realizing very high data rates over the rich-scattering wireless channel.International Symposium on Signals, Systems and Electronics [C]. Pisa,Italy, 1998:295 -300.[4]Huang H, Viswanathan H. Multiple antennas and multiuser detection in high data rate CDMA systems, IEEE VTC00[C],Tokyo,Japan, 2000, vol. 1: 556 -560.[5]TSG Ran WG1, Spreading and modulation(FDD), 3GPP Tech Rep. TS25.213, 2000. http:∥www.3gpp.org.

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