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

页数：12

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