An improved type II hybrid ARQ scheme with code combining and adaptive packet length

D. Yang, Wah Ching Lee

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

In noisy channels, type II hybrid ARQ scheme with convolutional code and maximum-likelihood code combining performs well for its lower coding redundancy in every retransmission attempt; throughput efficiency can be considerably improved while channel condition is good enough. However, with different packet length, its performance varies while channel condition changes. In this paper, we present an improved type II hybrid ARQ scheme (IH-ARQ) with convolutional code and maximum-likelihood code combining in slow fading channel. By continuously observing decoding situation in receiver side and dynamically estimate throughput efficiency of different packet length and feedback the appropriate packet length to the transmitter, throughput efficiency can be maximized. Based upon our simulation results and theoretical analysis, with an optimized observation interval, throughput efficiency of IH-ARQ is maximized in changing channel conditions.
Original languageEnglish
Title of host publicationProceedings of the IASTED International Conference on COMMUNICATION SYSTEMS AND APPLICATIONS Part of the Sixth IASTED International Multi-Conference on WIRELESS AND OPTICAL COMMUNICATIONS
Pages114-118
Number of pages5
Publication statusPublished - 1 Dec 2006
EventIASTED International Conference on COMMUNICATION SYSTEMS AND APPLICATIONS Part of the Sixth IASTED International Multi-Conference on WIRELESS AND OPTICAL COMMUNICATIONS - Banff, AB, Canada
Duration: 3 Jul 20065 Jul 2006

Conference

ConferenceIASTED International Conference on COMMUNICATION SYSTEMS AND APPLICATIONS Part of the Sixth IASTED International Multi-Conference on WIRELESS AND OPTICAL COMMUNICATIONS
Country/TerritoryCanada
CityBanff, AB
Period3/07/065/07/06

Keywords

  • Adaptive packet length
  • Code combining

ASJC Scopus subject areas

  • Engineering(all)

Cite this