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Implementation of IEEE 802.16e MIMO-OFDMA Systems with K-BEST Lattice Decoding Algorithm

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3 Author(s)
Byungwook Yoo ; Dept. of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea ; Kyu Ha Lee ; Chungyong Lee

This paper presents an implementation of IEEE 802.16e MIMO-OFDMA systems using a fixed-point DSP. Among the various MIMO detectors, the proposed system is based on K-BEST lattice decoding algorithm that shows the performance close to maximum likelihood (ML) receiver, the optimum receiver for MIMO systems. As a result, computation-efficient fixed-point algorithms are proposed and real-time system based on IEEE 802.16e 2times2 MIMO-OFDMA system is implemented.

Published in:

2007 Digest of Technical Papers International Conference on Consumer Electronics

Date of Conference:

10-14 Jan. 2007