HARQ in Relay Assisted Transmission for Machine Type Communications

Ijaz, A, Zhang, L, Quddus, A and Tafazolli, R (2016) HARQ in Relay Assisted Transmission for Machine Type Communications IEEE Wireless Communications Letters.

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Abstract

This letter describes the impact of unknown channel access delay on the timeline of Hybrid Automatic Repeat Request (HARQ) process in the 3rd Generation Partnership Project Long Term Evolution (3GPP LTE) system when a Relay Node (RN) is used for coverage extension of Machine Type Communication (MTC) devices. A solution is also proposed for the determination of unknown channel access delay when the RN operates in the unlicensed spectrum band. The proposed mechanism is expected to help MTC operation in typical coverage holes areas such as smart meters located in the basement of buildings.

Item Type:	Article
Subjects :	Communications Systems
Divisions :	Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Authors :	Name Email ORCID Ijaz, A Zhang, L Quddus, A Tafazolli, R
Date :	4 January 2016
Identification Number :	10.1109/LWC.2016.2514423
Additional Information :	2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Depositing User :	Symplectic Elements
Date Deposited :	09 Mar 2016 09:57
Last Modified :	31 Oct 2017 18:06
URI:	http://epubs.surrey.ac.uk/id/eprint/810077

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