Hybrid-Domain Sequence Detector for Training Sequence-Aided Single-Carrier Block Transmission Signals

被引：4

作者：

Jia, Jiun-Jie ^{[1
]}

Wang, Shih-Jung ^{[1
]}

Lai, Kuei-Chiang ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Dept Elect Engn, 1 Univ Rd, Tainan 70101, Taiwan

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2015年 / 14卷 / 12期

关键词：

Single-carrier block transmission; equalization; prefilter; frequency-domain processing; tree search; EQUALIZATION; ALGORITHM; OFDM; TRUNCATION; MODULATION; DFE;

D O I：

10.1109/TWC.2015.2456877

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：

Combating the intersymbol interference is an important issue in single-carrier block transmission systems. To exploit the advantages of frequency-domain (FD) processing, we propose in this paper a hybrid-domain sequence detector that combines FD prefiltering with time-domain tree search detection. The proposed algorithm achieves a detection performance that is very close to that of the conventional tree search equalizers (which employ the QRD-M or sphere decoding algorithm), but with a much lower complexity. In addition, the proposed algorithm performs significantly better than the decision-feedback equalizer, with only a modest increase in complexity.

引用

页码：6565 / 6578

页数：14

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