Low Complexity MIMO Detector based on Adjustable Threshold

Seung-Jin Choi¹, Won-Chang Kim², Hyoung-Kyu Song³

^1,2,3Department of Information and Communication Engineering, Sejong University, Seoul, South Korea

Abstract

In this paper, the novel adaptive detector based on the channel condition is proposed in the MIMO-OFDM systems. The adaptive detection performs switching detection method according to variation of the threshold based on the computational complexity required at the receiver side. The switching detection algorithm selects the two detection methods, i.e. the LR-aided MMSE, and QRD-M. From the simulation results, the proposed adaptive detector shows error performance and multiplication complexity according to the variation of the threshold for adaptive detection.

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Cite this Article as Follows

Seung-Jin Choi, Won-Chang Kim, Hyoung-Kyu Song. Low Complexity MIMO Detector based on Adjustable Threshold. International Conference on Grid and Distributed Computing (2018): 09. Print.