Improved Sorting Architecture for K-Best MIMO Detection

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This brief presents an improved sorting architecture for K-best multiple-input multiple-output (MIMO) detection. In the proposed architecture, two properties of the K-best MIMO detection are exploited for simplifications: the order among siblings from the same parent node can be easily identified; the order among the K best nodes is dispensable. Besides, the generalized mergesort-based architecture for the K-best sorting is presented so that the proposed sorter can be constructed for any power-of-two K and modulation scheme. Compared to the conventional ones, the proposed architecture lowers not only the hardware complexity but also the latency significantly.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2017-09
Language
English
Article Type
Article
Keywords

IMPLEMENTATION; DECODER

Citation

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, v.64, no.9, pp.1042 - 1046

ISSN
1549-7747
URI
http://hdl.handle.net/10203/226133
Appears in Collection
EE-Journal Papers(저널논문)
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