IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Regular Section
Improved Detection Scheme Based on Lattice-Reduction and Threshold Algorithm in MIMO-OFDM Systems
Jae-Jeong KIMHyoung-Kyu SONG
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2015 Volume E98.A Issue 6 Pages 1343-1345

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Abstract

In this letter, an enhanced detection scheme using threshold and lattice-reduction algorithm is proposed. The first step of the proposed detection scheme finds another basis channel matrix H' which has good properties from the channel matrix H by using lattice-reduction algorithm. And QRD-M detection scheme using threshold algorithm is executed in the next step. Simulation results show that the proposed method has better performance than the conventional QRD-M detection scheme at high SNR. Also, it reduces candidate symbols because of the threshold algorithm.

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© 2015 The Institute of Electronics, Information and Communication Engineers
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