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Space-time coded vector quantization for wireless MIMO channels

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3 Author(s)
Chan, H. ; Dept. of Electr. Eng., City Univ. of Hong Kong, China ; Leung, C.S. ; Mow, W.H.

Data transmission using self-organizing feature map (SOFM) based vector quantizer (VQ) and channel optimized vector quantizer (COVQ) with various space-time trellis codes (STTC) over wireless channels are studied. It is interesting to note that in a SOFM-STTC system, even with a weak STTC, the overall performance in terms of reconstruction error does not degrade a lot, compared with a stronger STTC. Hence, a system of low complexity but satisfactory performance could be built. Our simulation results also show that the performance of SOFM-STTC is marginally worse than that of COVQ.

Published in:

Information, Communications and Signal Processing, 2003 and Fourth Pacific Rim Conference on Multimedia. Proceedings of the 2003 Joint Conference of the Fourth International Conference on  (Volume:3 )

Date of Conference:

15-18 Dec. 2003