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Enabling Massive IoT in 5G and Beyond Systems: PHY Radio Frame Design Considerations

Ijaz, A, Zhang, L, Grau, M, Mohamed, A, Vural, S, Quddus, A, Imran, M, Foh, C and Tafazolli, R (2016) Enabling Massive IoT in 5G and Beyond Systems: PHY Radio Frame Design Considerations IEEE Access.

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Abstract

The parameters of Physical (PHY) layer radio frame for 5th Generation (5G) mobile cellular systems are expected to be flexibly configured to cope with diverse requirements of different scenarios and services. This paper presents a frame structure and design which is specifically targeting Internet of Things (IoT) provision in 5G wireless communication systems. We design a suitable radio numerology to support the typical characteristics, that is, massive connection density and small and bursty packet transmissions with the constraint of low cost and low complexity operation of IoT devices. We also elaborate on the design of parameters for Random Access Channel (RACH) enabling massive connection requests by IoT devices to support the required connection density. The proposed design is validated by link level simulation results to show that the proposed numerology can cope with transceiver imperfections and channel impairments. Furthermore, results are also presented to show the impact of different values of guard band on system performance using different subcarrier spacing sizes for data and random access channels, which show the effectiveness of the selected waveform and guard bandwidth. Finally, we present system level simulation results that validate the proposed design under realistic cell deployments and inter-cell interference conditions.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Authors :
AuthorsEmailORCID
Ijaz, AUNSPECIFIEDUNSPECIFIED
Zhang, LUNSPECIFIEDUNSPECIFIED
Grau, MUNSPECIFIEDUNSPECIFIED
Mohamed, AUNSPECIFIEDUNSPECIFIED
Vural, SUNSPECIFIEDUNSPECIFIED
Quddus, AUNSPECIFIEDUNSPECIFIED
Imran, MUNSPECIFIEDUNSPECIFIED
Foh, CUNSPECIFIEDUNSPECIFIED
Tafazolli, RUNSPECIFIEDUNSPECIFIED
Date : 2016
Copyright Disclaimer : © 2016 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 : 24 Jun 2016 15:50
Last Modified : 08 Jul 2016 09:56
URI: http://epubs.surrey.ac.uk/id/eprint/811042

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