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Near-MLD MIMO Detection Based on a Modified Ant Colony Optimization

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2 Author(s)
Jenn-Kaie Lain ; Dept. of Electron. Eng., Nat. Yunlin Univ. of Sci. & Technol., Douliu, Taiwan ; Jyun-Yu Chen

In wireless multiple-input multiple-output (MIMO) systems, maximum-likelihood detection (MLD), is impractical because it requires an exhaustive search. This letter formulates MIMO MLD as a pathfinding problem shows it can be solved using a modified ant colony optimization. Simulation results demonstrate that the proposed method achieves near-MLD performance with low computational complexity.

Published in:

Communications Letters, IEEE  (Volume:14 ,  Issue: 8 )

Date of Publication:

August 2010

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