线型小区中V-BLAST两根分布发射天线的位置优化

韩亮; 柳鑫; 唐友喜; 邵士海

doi:10.3724/SP.J.1146.2009.00402

线型小区中V-BLAST两根分布发射天线的位置优化

doi: 10.3724/SP.J.1146.2009.00402

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出版历程
- 收稿日期: 2009-03-26
- 修回日期: 2009-11-23
- 刊出日期: 2010-04-19

Optimal Antenna Location for V-BLAST with Two Distributed Transmit Antennas in Linear Cells

摘要

摘要: 在分布式发射天线多输入多输出(MIMO)系统中，不同的发射天线位置将影响系统的性能。针对这一问题，该文在考虑了传播时延、路径损耗、阴影衰落、小尺度衰落和高斯白噪声的基础上研究了V-BLAST两根分布式发射天线在线型小区的平均误码率(AABER)。理论分析表明存在一个关于小区中心对称的位置使得AABER性能最优，这一位置可以通过数值计算的方法得到。仿真结果验证了理论分析的正确性。
- 分布式天线系统; 最优天线位置; 信道传播时延
Abstract: For Multiple-Input Multiple-Output (MIMO) space-time coding architecture with distributed transmit antennas, the location of transmit antennas will impact the system performance. To solve this problem, the area averaged bit error ratio (AABER) of V-BLAST with two distributed transmit antennas in a linear cell is studied, considering the effects of channel propagation delay, path loss, shadow fading, multipath fading and white Gaussian noise. Theoretical analyses show that the antennas should be located symmetrically about the cell center in order to achieve the best AABER. This location can be calculated by numerical method. Simulation results prove the correctness of the theoretical analysis.

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Zhou Shi-dong, Zhao Ming, and Xu Xi-bin, et al.. Distributedwireless communication system: A new architecture for futurepublic wireless access. IEEE Communications Magazine,2003, 41(3): 108-113.[2]Diomidis S M, George K K, and Theodoros A T, et al..Distributed transmit antenna selection (DTAS) underperformance or energy consumption constraints[J].IEEETransactions on Wireless Communications.2008, 7(4):1168-1173[3]Dai H. Distributed versus co-located MIMO systems withcorrelated fading and shadowing. 2006 IEEE InternationalConference on Acoustics, Speech and Signal Processing(ICASSP), Toulouse, France, 2006, 4: 14-19.[4]Saleh A, Rustako A, and Roman R. Distributed antennas forindoor radio communication[J].IEEE Transactions onCommunications.1987, 35(12):1245-1251[5]Clark M V, Willis T M III, and Greenstein L J, et al..Distributed versus centralized antenna arrays in Broadbandwireless networks[J].Proc. 2001 Spring IEEE 53rd Conferenceon Vehicular Technology (VTC), Rhodes Island, Greece.2001,1:33-37[6]Schuh R E and Sommer M. W-CDMA coverage and capacityanalysis for active and passive distributed antenna systems.Proc. 2002 Spring IEEE Vehicular Technology (VTC),Birmingham, Alabama, May, 2002: 434-438.[7]Zhuang H, Dai L, and Xiao L, et al.. Spectral efficiency ofdistributed antenna system with random antenna layout[J].IEEE Electronics Letters.2003, 39(6):495-496[8]Shen Ying, Tang You-xi, and Kong Ting, et al.. Optimalantenna location for STBC-OFDM downlink with distributedtransmit antennas in linear cells. IEEE CommunicationsLetters, 2007, 11(5): 387-389.[9]Simon M K. Multiple-bit differential detection of offsetQPSK[J].IEEE Transactions on Communications.2003, 51(6):1004-1011[10]Shao Shi-hai, Tang You-xi, and Kong Ting, et al..Performance analysis of a modified V-BLAST system withdelay offsets using zero-forcing detection[J].IEEE Transactionson Vehicular Technology.2007, 56(6):3827-3837[11]Shao Shi-hai, Tang You-xi, and Liang Jie, et al.. A modifiedV-BLAST system for performance improvement throughintroducing different delay offsets to each spatiallymultiplexed data streams. Proc. IEEE WirelessCommunications and Networking Conference (WCNC),Hong Kong, China, 2007: 1062-1067.[12]Verdu S. Multiuser Detection. UK: Cambridge UniversityPress, 1998, Chapter 4.[13]Proakis J G. Digital Communications. 4th ed., New York:McGraw-Hill, 2001, Chapter 14.

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