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A Fixed-Complexity Sphere Decoder for MIMO Systems on Graphics Processing Units

Wang Hongyuan, Chen Muyi
Sch. of Inf. Sci. & Eng., ShenYang Ligong Univ., Shenyang, China
2nd International Conference on Information Engineering and Computer Science (ICIECS), 2010

@inproceedings{wang2010fixed,

   title={A Fixed-Complexity Sphere Decoder for MIMO Systems on Graphics Processing Units},

   author={Wang, H. and Chen, M.},

   booktitle={Information Engineering and Computer Science (ICIECS), 2010 2nd International Conference on},

   pages={1–4},

   year={2010},

   organization={IEEE}

}

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Graphic Processing Units (GPUs) is a low-cost parallel programmable co-processor that can deliver extremely high computation throughput and is well suited for large-scale system design and simulation. In this paper, we utilize the parallel processing power of GPU to accelerate the simulation of MIMO systems. In our work, flat fading channel is considered and an optimized fixed-complexity sphere decoder on GPU is implemented. Performance results show that the execution of the sphere decoder can be accelerated by factors of over 10.
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