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SDM-COFDM Technologies for Broadband Wireless Access Over 100 Mbit/s

Overview This paper describes a simple SDM-COFDM (space division multiplexed, coded orthogonal frequency division multiplexing) scheme for MIMO (multiple input multiple output)-based broadband wireless access. The proposed scheme reduces inter-channel interference with a simple feed-forward canceller by using a new space-time coding preamble. Moreover, the proposed likelihood weighting based on the signal-to-noise power ratio improves the soft decision error correction performance. The proposed SDM-COFDM scheme with 2?ª2 antennas can double the transmission bit rate to more than 100 Mbit/s per 18 MHz by using 64QAM with a coding rate of 3/4 in frequency selective fading environments.

Further White Paper Details
Publisher	NTT Corporation,NTT	File Format	PDF, requires Acrobat Rdr 5
Date Published	January 2004	Downloads	17
Format	White Papers
Topics	Mobile - Wireless Communications, Broadband, Modems

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