Frequency-Domain Block Signal Detection with QRM-MLD for Training Sequence-Aided Single-Carrier Transmission

被引：7
|
作者：
Yamamoto, Tetsuya [1 ]
Takeda, Kazuki [1 ]
Adachi, Fumiyuki [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Dept Elect & Commun Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan
来源：
EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING | 2011年
关键词：
SYMBOL REPLICA CANDIDATES; ANTENNA DIVERSITY; DS-CDMA; EQUALIZATION; ALGORITHM; DFE;
D O I：
10.1155/2011/575706
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：
A frequency-domain block signal detection (FDBD) using QR decomposition with M-algorithm maximum likelihood detection (QRM-MLD) can significantly improve the bit error rate (BER) performance of the cyclic prefix inserted single-carrier (CP-SC) block transmission in a frequency-selective fading channel. However, the use of a fairly large number of the surviving paths is required in the M-algorithm, leading to high computational complexity. In this paper, we propose the use of the training sequenceaided SC (TA-SC) block transmission instead of CP-SC block transmission. We show that TA-SC using FDBD with QRM-MLD can achieve the BER performance close to the matched-filter (MF) bound while reducing the computational complexity compared to CP-SC.
引用
收藏
页数：12
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