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On Relay Selection for Relay-Assisted D2D Communications with Adaptive Modulation and Coding in Cellular Systems

  • Harbin Institute of Technology Weihai
  • Beiyang Electric Group Co. Ltd.

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

Abstract

Developing device-to-device (D2D) communications can improve spectrum efficiency and traffic offloading capability of cellular systems. But only considering direct D2D communication mode may limit these benefits brought in by D2D communications, for direct D2D mode may not be available due to the long separation distance and poor link quality. Hence, relay-assisted D2D communication is presented to expand the coverage of D2D communications. One of the key points in developing relay-assisted D2D communication is to find out the optimal relay user equipment (UE) to assist data transmission between the source and destination D2D-capable UEs. In this paper, a cross-layer relay selection scheme is researched, which considers the end-to-end data rate, end-to-end transmission delay, and remaining battery time of the relay-capable UEs. Specially, we propose a method to estimate the end-to-end transmission delay for the relay-involved D2D path when adaptive modulation and coding (AMC) is taken into account. Performances of the proposed scheme are also evaluated.

Original languageEnglish
Title of host publication6GN for Future Wireless Networks - Third EAI International Conference, 6GN 2020, Proceedings
EditorsXiaofei Wang, Victor C. Leung, Keqiu Li, Haijun Zhang, Xiping Hu, Qiang Liu
PublisherSpringer Science and Business Media Deutschland GmbH
Pages127-143
Number of pages17
ISBN (Print)9783030639402
DOIs
StatePublished - 2020
Externally publishedYes
Event3rd EAI International Conference on 6G for Future Wireless Networks, 6GN 2020 - Tianjin, China
Duration: 15 Aug 202016 Aug 2020

Publication series

NameLecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST
Volume337
ISSN (Print)1867-8211
ISSN (Electronic)1867-822X

Conference

Conference3rd EAI International Conference on 6G for Future Wireless Networks, 6GN 2020
Country/TerritoryChina
CityTianjin
Period15/08/2016/08/20

Keywords

  • Adaptive modulation and coding
  • Device-to-device (D2D) communication
  • Relay selection
  • Transmission delay

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