Adaptive coded modulation for fading channels

Soon Ghee Chua, Andrea Goldsmith

Research output: Contribution to conferencePaperpeer-review

16 Scopus citations

Abstract

We propose a variable-power and variable-rate coded MQAM modulation technique for high-speed data transmission on fading channels. Coding gain is obtained by superimposing trellis-codes designed for AWGN channels on the adaptive modulation, and we obtain the same coding gains as these codes exhibit in AWGN. We present analytical and simulation results which show a 3 dB coding gain relative to uncoded adaptive modulation for a simple 4-state trellis code, and a 4 dB coding gain for an 8-state trellis code. More complex trellis codes achieve higher gains.

Original languageEnglish (US)
Pages1488-1492
Number of pages5
StatePublished - 1997
Externally publishedYes
EventProceedings of the 1997 IEEE International Conference on Communications, ICC. Part 3 (of 3) - Montreal, Can
Duration: Jun 8 1997Jun 12 1997

Conference

ConferenceProceedings of the 1997 IEEE International Conference on Communications, ICC. Part 3 (of 3)
CityMontreal, Can
Period6/8/976/12/97

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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