Title :
Space-time coded vector quantization for wireless MIMO channels
Author :
Chan, H. ; Leung, Chung S. ; Mow, W.H.
Author_Institution :
Dept. of Electr. Eng., City Univ. of Hong Kong, China
Abstract :
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.
Keywords :
MIMO systems; channel coding; self-organising feature maps; space-time codes; telecommunication channels; telecommunication computing; trellis codes; vector quantisation; channel optimized vector quantizer; self-organizing feature map; space-time trellis codes; wireless MIMO channels; Bandwidth; Convolutional codes; Data communication; MIMO; Noise robustness; Optimization methods; Space technology; Space time codes; Training data; Vector quantization;
Conference_Titel :
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
Print_ISBN :
0-7803-8185-8
DOI :
10.1109/ICICS.2003.1292715
