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Relay Grouping to Guarantee Timeliness and Reliability in Wireless Networks

Authors:


Publication Type:

Journal article

Venue:

IEEE Communications Letters


Abstract

Relaying can increase reliability, range, or throughput. In many cyber-physical systems (CPS), relaying is used to maximize reliability before a given deadline. Since concurrent transmissions are not supported by most CPS, time-division multiple access (TDMA) is typically used. However, a major drawback of relaying in TDMA is that pre-allocated time-slots are wasted if their respective transmitters do not have any correctly received packet to relay. Therefore, in this letter, we propose a novel relay grouping scheme to overcome this drawback. Numerical results show that the proposed scheme significantly enhances the reliability while guaranteeing the deadline for each message.

Bibtex

@article{Hoang5655,
author = {Le-Nam Hoang and Elisabeth Uhlemann and Magnus Jonsson},
title = {Relay Grouping to Guarantee Timeliness and Reliability in Wireless Networks},
volume = {19},
number = {6},
pages = {1661--1664},
month = {June},
year = {2019},
journal = {IEEE Communications Letters},
url = {http://www.es.mdh.se/publications/5655-}
}