BER-Optimized Robust Precoder design for MIMO-OFDM systems with Insufficient CP

被引：0
|
作者：
Akhtar, Javed [1 ]
Bedi, Amrit S. [1 ]
Rajawat, Ketan [1 ]
Jagannatham, Aditya K. [1 ]
机构：
[1] IIT Kanpur, Dept Elect Engn, Kanpur, UP, India
来源：
2016 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM) | 2016年
关键词：
OFDM; MIMO; Insufficient Cyclic Prefix; Interference Alignment; Precoding; CSIR; CSIT; CYCLIC PREFIX;
D O I：
暂无
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：
This paper considers a robust precoder design for MIMO-OFDM systems with insufficient cyclic prefix (CP). Interference alignment is utilized to formulate the precoder design problem as a bit error rate (BER) minimization problem subject to a total power constraint. To this end, the precoder is designed to be robust to the errors in the available channel estimates, by considering the worst-case BER for optimization. Interestingly, channel estimates at both transmitter and receiver are allowed to be in error. Extensive simulations are carried out to compare the performance of various MIMO-OFDM systems with and without robust precoders.
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页数：6
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