Achievable rates for the fading three-hop half-duplex relay network using buffer-aided relaying

Hebatallah Shoukry, Nikola Zlatanov, Vahid Jamali, Robert Schober

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

5 Citations (Scopus)


The fading three-hop half-duplex relay network consists of a source, two half-duplex relays, and a destination connected in series where links are present only between adjacent nodes. We assume that the links are impaired by time-continuous fading and additive white Gaussian noise. For this network, we design new protocols based on buffer-aided relaying and derive their achievable average rates. We first develop a buffer-aided protocol which maximizes the average rate, but, as a side effect, introduces unbounded delay. Therefore, we also design a buffer-aided protocol which constrains the average delay, but at the expense of decrease of rate. Our numerical results show that the maximum average rate achieved with the developed buffer-aided protocol is larger than that of existing protocols for the considered network. Moreover, given a sufficiently large permissible average delay, the average rate achieved with the buffer-aided protocol with a delay constraint approaches the maximum average rate achieved without a delay constraint.

Original languageEnglish
Title of host publication2014 IEEE Global Communications Conference
EditorsJeffrey Andrews, Robert Heath
Place of PublicationPiscataway NJ USA
PublisherIEEE, Institute of Electrical and Electronics Engineers
Number of pages6
ISBN (Print)9781479935116
Publication statusPublished - 9 Feb 2014
Externally publishedYes
EventIEEE Global Telecommunications Conference 2014 - Austin, United States of America
Duration: 8 Dec 201412 Dec 2014 (Proceedings)


ConferenceIEEE Global Telecommunications Conference 2014
Abbreviated titleIEEE GLOBECOM 2014
CountryUnited States of America
Internet address

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