Performance Analysis of M-PSK/M-QAM Modulated Orthogonal Space-Time Block Codes in Keyhole Channels

被引:10
作者
Zhao, Hongzhi [1 ]
Gong, Yi [2 ]
Guan, Yong Liang [2 ]
Tang, Youxi [1 ]
机构
[1] Univ Elect Sci & Technol China, Sch Commun & Informat Engn, Chengdu 610054, Peoples R China
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
基金
中国国家自然科学基金;
关键词
Bit error rate (BER); diversity gain; keyhole; multiple-input-multiple-output (MIMO); symbol error rate (SER); space-time block code (STBC); TRANSMIT;
D O I
10.1109/TVT.2008.928648
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
It is known that the keyhole or pinhole effect can severely degrade the performance of multiple-input-multiple-output (MIMO) communication systems. In this paper, the outage probability and error probability of orthogonal space-time block codes with m transmit and n receive antennas over keyhole fading channels are analyzed. Closed-form outage probability and symbol/bit error rate expressions are derived with M-ray phase-shift keying (M-PSK) and M-ray quadrature amplitude modulation (M-QAM) signaling. It is found that the exact error probability expressions have two different forms for m = n and m not equal n, respectively. Furthermore, when m not equal n, approximate error rate expressions are derived at high signal-to-noise ratios (SNRs), whereas there are no asymptotic expressions for m = n. Simulation results are provided to verify our analytical results.
引用
收藏
页码:1036 / 1043
页数:8
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