A Modified Medium Access Control Algorithm for Systems with Iterative Decoding

Research output: Contribution to journalArticle

Abstract

Efficient transmission methods for fading radio channels often require an iterative decoder. This is for example the case for systems using turbo codes. Receiver decoder iterations could potentially lead to a latency problem which impacts the performance of the medium access control protocol. In this paper, we present modifications based on the carrier sense multiple access with collision avoidance (CSMA/CA) medium access control (MAC) protocol to accommodate the increased latency in the iterative processing. One area of applications is wireless local area networks (WLANs) with high data rate. The simulation results performed in the IEEE 802.11a WLAN environment by replacing the 802.11a's convolutional coding with turbo coding demonstrate that the proposed algorithm provides a throughput gain over the conventional method.

Original languageEnglish
Pages (from-to)270-273
Number of pages4
JournalIEEE Transactions on Wireless Communications
Volume5
Issue number2
DOIs
Publication statusPublished - 2006 Feb

Keywords

  • CSMA/CA
  • Medium access control
  • WLAN
  • iterative decoding

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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