A Novel Based on Eigenvector Combine Transmission Diversity Scheme for 

Ultra-wideband Communication System

Zhang Xin-yue; Tao Xiao-feng; Zhang Ping; Shen Shu-qun

Volume 28 Issue 6

Jun. 2006

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Article Navigation > Journal of Electronics & Information Technology > 2006 > 28(6): 1073-1076

Xu Li, Zhang Hong-yan, Shen Jin-bo. Pair-wise Key Establishment Scheme Based on Transerval Design in Clustered Sensor Networks[J]. Journal of Electronics & Information Technology, 2009, 31(7): 1600-1605. doi: 10.3724/SP.J.1146.2008.00564

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Zhang Xin-yue, Tao Xiao-feng, Zhang Ping, Shen Shu-qun. A Novel Based on Eigenvector Combine Transmission Diversity Scheme for Ultra-wideband Communication System[J]. Journal of Electronics & Information Technology, 2006, 28(6): 1073-1076.

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A Novel Based on Eigenvector Combine Transmission Diversity Scheme for Ultra-wideband Communication System

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2006-06-19

Abstract

Abstract

Ultra-WideBand (UWB) signal faced badly multi-path fading in indoor environment, RAKE receiver usually is adopted to gather multi-path energy and improve performance. A new diversity scheme is proposed in this paper, which implemented pretreatment in transmitter and RAKE combine in receiver respectively, and then a based on channel matrix eigen-value SVD algorithm is presented to estimated optimal parameter of delay time and combine weight. Both theoretic analysis and simulation show, the algorithm always gains maximized output SNR than conventional RAKE receiver.

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References(1)

References

Win M Z, Scholtz R A.Ultra-wide bandwidth time-hopping spread-spectrum impulse radio for wireless multiple-access communications [J].IEEE Trans. Commun.2000, 48(4):679-689[2]Win M Z, Scholtz R A. Characterization of ultra-wide bandwidth wireless indoor channels: A communicationtheoretic view [J].IEEE Journal on Select. Areas Commun.2002, 20(9):1613-1627[3]Esmailzadeh R, Sourour E Nakagawa. M. Pre-RAKE diversity combining in time division duplex CDMA mobile communications [J]. IEEE Trans.on Vehicle Tech.,1999, 47(2): 795-801.[4][4] Foerster J. Channel modeling sub-committee report final [S]. IEEE P802.15 02/490r1 SG3a, Feb 2002.[5]柳柏濂. 组合矩阵论[M]. 北京: 科学出版社, 1996.3, 第5.10节.

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