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Analysis and design of coding and interleaving in a MIMO-OFDM communication system

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3 Author(s)
Zafar Iqbal ; School of Information and Communications, Gwangju Institute of Science and Technology, Gwangju 500-712, South Korea ; Saeid Nooshabadi ; Heung-no Lee

Use of Wireless communications for Metropolitan Area Network (MAN) in consumer electronics has increased significantly in the recent past. This paper, presents the performance analysis of four different channel coding and interleaving schemes for MIMO-OFDM communications systems. A comparison is done based on the BER, hardware implementation resources requirement, and power dissipation. It also presents a memory-efficient and low-latency interleaver implementation technique for the MIMO-OFDM communication system. It is shown that among the four coding and interleaving schemes studied, the cross-antenna coding and per-antenna interleaving performs the best under all SNR conditions and for all modulation schemes. It is also the best scheme as far as the hardware resource implication and power dissipation are concerned, which are particularly important in the context of consumer electronics. Next, using the proposed interleaver, a MIMO-OFDM based transmitter employing a double data stream 2×2 MIMO spatial multiplexing system is built.

Published in:

IEEE Transactions on Consumer Electronics  (Volume:58 ,  Issue: 3 )