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Analysis of relay handoff algorithms in cooperative diversity systems using absolute and relative measurements of energy gain

  • Wei Dang Lu*
  • , Xue Jun Sha
  • , Jing Ning Wang
  • , Nai Tong Zhang
  • *Corresponding author for this work
  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Multi-user cooperative diversity is a recently proposed technique, which can improve the performance of wireless communication systems operating in fading environments. Choosing a good partner is important in cooperation and some partner selection methods have been proposed. However, there is no research has mentioned how often partners should be reassigned. In this paper, we propose a handoff scheme between relays. In the proposed scheme, handoff is performed when the energy gain of the working relay drops below a threshold and the energy gain of the best relay exceed the energy gain of the working relay by a certain hysteresis level. Simulation results are given to show the performance of the newly proposed scheme.

Original languageEnglish
Title of host publication2009 Canadian Conference on Electrical and Computer Engineering, CCECE '09
Pages589-592
Number of pages4
DOIs
StatePublished - 2009
Event2009 Canadian Conference on Electrical and Computer Engineering, CCECE '09 - St. Johns, NL, Canada
Duration: 3 May 20096 May 2009

Publication series

NameCanadian Conference on Electrical and Computer Engineering
ISSN (Print)0840-7789

Conference

Conference2009 Canadian Conference on Electrical and Computer Engineering, CCECE '09
Country/TerritoryCanada
CitySt. Johns, NL
Period3/05/096/05/09

Keywords

  • Cooperation diversity
  • Energy gain
  • Relay handoff
  • Relay selection
  • User mobility

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