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The energy efficiency analysis of HARQ in hybrid relaying systems

  • Yinan Qi
  • , Reza Hoshyar
  • , Muhammad Imran
  • , Rahim Tafazolli
  • University of Surrey

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

5 Scopus citations

Abstract

In this paper, we analyze the Hybrid Automatic Repeat re-Quest (HARQ) protocols used in conjunction with hybrid relaying schemes from the energy efficiency perspective. In cooperative communications, hybrid relaying strategy allows the relay to dynamically switch between different forwarding schemes according to its decoding status and provide either transmit or receive diversity to the users depending on the current channel condition. The energy efficiency analysis takes the circuitry energy consumption of all involved nodes into consideration and the energy efficiency is optimized in terms of energy per bit by manipulating the activation time and the transmission energy.

Original languageEnglish
Title of host publication2011 IEEE 73rd Vehicular Technology Conference, VTC2011-Spring - Proceedings
DOIs
StatePublished - 2011
Externally publishedYes
Event2011 IEEE 73rd Vehicular Technology Conference, VTC2011-Spring - Budapest, Hungary
Duration: 15 May 201118 May 2011

Publication series

NameIEEE Vehicular Technology Conference
ISSN (Print)1550-2252

Conference

Conference2011 IEEE 73rd Vehicular Technology Conference, VTC2011-Spring
Country/TerritoryHungary
CityBudapest
Period15/05/1118/05/11

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Amplify-and-forward (AF)
  • Compress-and-forward (CF)
  • Decode-and-forward (DF)
  • Energy efficiency
  • Hybrid Automatic Repeat request (HARQ)

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