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A improved space-time trellis coded OFDM scheme for frequency selective fading channels

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6 Author(s)
Yanan Li ; Coll. of Electron. Inf. Eng., Tianjin Univ., China ; Yunshang Ge ; Jinlong Yu ; Jufeng Dai
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We have studied the space-time trellis code (STTC) design in OFDM systems. By the research, especially by simulation, it is shown that, in multi-flat fading channels, the STTC-OFDM system can potentially provide more coding gain. We also found that the optimal STTC design is important for OFDM when using space-time codes (STC). By following this conclusion, an improved STTC is designed. Computer simulations have demonstrated a significant performance improvement of our proposed STTC-OFDM over the conventional STTC-OFDM. Further research for the STTC-OFDM system in other channels can also be pursued according to this scheme.

Published in:
Electrical and Computer Engineering, 2004. Canadian Conference on  (Volume:4 )

Date of Conference: 2-5 May 2004

Page(s):
1967 - 1970 Vol.4
ISSN :
0840-7789
Print ISBN:
0-7803-8253-6
INSPEC Accession Number:
8097653
Digital Object Identifier :
10.1109/CCECE.2004.1347606
Product Type:
Conference Publications

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