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An Accelerated Soft-Output Sphere Decoding Algorithm for MIMO System

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2 Author(s)
Chun-ping Yang ; Sch. of Electr. & Electron. Eng., North China Electr. Power Univ., Beijing, China ; Xin Jin

An accelerated soft-output sphere decoding algorithm is proposed for multiple input and multiple output (MIMO) system with vertical Bell Labs layered space-time (V-BLAST) structure. Combined with low-density parity-check (LDPC) code, the performance and complexity of the proposed algorithm are simulated and compared with the classical soft-output sphere decoding algorithm. As the simulation results show, the accelerated algorithm has obvious complexity reduction at the cost of little performance losses.

Published in:

2009 5th International Conference on Wireless Communications, Networking and Mobile Computing

Date of Conference:

24-26 Sept. 2009