Title
Algorithm and architecture for joint detection and decoding for MIMO with LDPC codes
Abstract
With better spectral efficiency, multiple-input and multiple-output (MIMO) systems have drawn increasing attentions. Due to its near-optimal performance, K-best algorithm has been widely adopted for MIMO detection. To the best knowledge of the authors, this paper first proposes a joint detection and decoding (JDD) method for MIMO with low-density parity-check (LDPC) codes. By pruning the searching tree of K-best detection with LDPC coding constraint, the proposed JDD scheme benefits from both reduced tree-search complexity and improved performance compared to its uncoded MIMO counterpart. Numerical results of 16-QAM MIMO with (8, 2) LDPC code and 64-QAM MIMO with (18, 6) LDPC code have shown that, the proposed JDD scheme's performance is evidently superior over separated detection and decoding (SDD) scheme. More specifically, for the latter case with 12 antennas, JDD shows nearly 10 dB performance improvement than SDD when BER = 10-3. Hardware architecture and complexity analysis are also given in this paper to demonstrate JDD's advantages.
Year
DOI
Venue
2017
10.1109/ISCAS.2017.8050314
2017 IEEE International Symposium on Circuits and Systems (ISCAS)
Keywords
Field
DocType
MIMO detection,LDPC codes,K-best,joint detection and decoding (JDD),pruned tree
Computer science,Low-density parity-check code,MIMO,Algorithm,Electronic engineering,Coding (social sciences),Spectral efficiency,Decoding methods,Detector,Hardware architecture,Performance improvement
Conference
ISSN
ISBN
Citations 
0271-4302
978-1-5090-1427-9
0
PageRank 
References 
Authors
0.34
10
5
Name
Order
Citations
PageRank
Shusen Jing101.01
Jun-mei Yang225116.07
Zhongfeng Wang321654.57
xiaohu you42529272.49
Chuan Zhang510013.67