Adaptive code rate change for maximum throughput in DS-SSMA communication systems

Youngkwon Ryu, Iickho Song, Taejoo Chang, Kwang Soon Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Adaptive code rate change schemes in DS-SSMA systems are proposed. In the proposed schemes, the error correcting code rate is changed according to the channel states. Two channel states having significant effects on the bit error probability are considered: one is the effective number of users, and the other is the fading environment. These channel states are estimated based on retransmission requests. The criterion for the change of the code rate based on the estimated channel states is to maximize the throughput under given error bound. Simulation results show that we can transmit maximum amount of information if we change the code rate based on the channel states.

Original languageEnglish
Pages (from-to)201-214
Number of pages14
JournalSignal Processing
Volume51
Issue number3
DOIs
Publication statusPublished - 1996 Jun

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Software
  • Signal Processing
  • Computer Vision and Pattern Recognition
  • Electrical and Electronic Engineering

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