4x4/8x8/12x12 RECONFIGURABLE MIMO DETECTOR ON MULTI-CORE DSP BASED ON EIGEN DECOMPOSITION OF DATAFLOW GRAPH

被引：0
|
作者：
Wu, Sheng-Hung [1 ]
Kao, Chien-Yu [2 ]
Hsu, Jen-Yuan [2 ]
Ting, Pang-An [2 ]
Lee, Gwo-Giun [3 ]
Huang, Yuan-Hao [1 ]
机构：
[1] Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu, Taiwan
[2] Ind Technol Res Inst, Hsinchu, Taiwan
[3] Natl Cheng Kung Univ, Dept Elect Engn, Hsinchu, Taiwan
来源：
2013 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP) | 2013年
关键词：
IMPLEMENTATION;
D O I：
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中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper presents a 4x4/8x8/12x12 and QPSK/16-QAM/64-QAM reconfigurable MIMO detector on a multi-core DSP platform for different MIMO detection algorithms, including multiple-candidate-selection QRSIC (MCS-QRSIC), distributed K-best, and sorting-reduced K-best detectors. This study uses an Eigen-value decomposition method to investigate the intrinsic degree of parallelism of MIMO detectors and allocate the processing elements to DSP cores. MCS-QRSIC outperforms other detectors in 4 x 4 detection, and distributed K-best has the best performance in 8x8 and 12x12 MIMO systems. The normalized throughput achieves 188/153/142 Mbps for 64-QAM 4x4/8x8/12x12 MIMO detections at a 1GHz clock rate with 448 cores.
引用
收藏
页码：2639 / 2643
页数：5
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