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Multi-service System: An Enabler of Flexible 5G Air-Interface

Zhang, Lei, Ijaz, A, Xiao, Pei and Tafazolli, Rahim (2017) Multi-service System: An Enabler of Flexible 5G Air-Interface IEEE Communications Magazine, 55 (10). pp. 152-159.

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Multi-service system is an enabler to flexibly support diverse communication requirements for the next generation wireless communications. In such a system, multiple types of services co-exist in one baseband system with each service having its optimal frame structure and low out of band emission (OoBE) waveforms operating on the service frequency band to reduce the inter-service-band-interference (ISvcBI). In this article, a framework for multi-service system is established and the challenges and possible solutions are studied. The multi-service system implementation in both time and frequency domain is discussed. Two representative subband filtered multicarrier (SFMC) waveforms: filtered orthogonal frequency division multiplexing (F-OFDM) and universal filtered multi-carrier (UFMC) are considered in this article. Specifically, the design methodology, criteria, orthogonality conditions and prospective application scenarios in the context of 5G are discussed. We consider both single-rate (SR) and multi-rate (MR) signal processing methods. Compared with the SR system, the MR system has significantly reduced computational complexity at the expense of performance loss due to inter-subband-interference (ISubBI) in MR systems. The ISvcBI and ISubBI in MR systems are investigated with proposed low-complexity interference cancelation algorithms to enable the multi-service operation in low interference level conditions.

Item Type: Article
Subjects : Electronic Engineering
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Centre for Communication Systems Research
Authors :
Ijaz, A
Date : 13 October 2017
DOI : 10.1109/MCOM.2017.1600916
Copyright Disclaimer : © 2017 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.
Uncontrolled Keywords : 5G, multi-service, interference cancelation, multi-rate, F-OFDM, UFMC, SFMC, physical layer network slicing (PNS).
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 Mar 2017 08:45
Last Modified : 16 Jan 2019 17:13

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