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User-centric visible light communications for energy-efficient scalable video streaming

User-centric visible light communications for energy-efficient scalable video streaming
User-centric visible light communications for energy-efficient scalable video streaming
An energy-efficient indoor visible light communication (VLC) system relying on dynamic user-centric (UC) cluster formation is designed for scalable video streaming. Explicitly, the radically new UC cluster formation technique is based on an amorphous user-to-network association structure, which is ultimately the basis of our energy-efficient indoor VLC system. Furthermore, in order to optimize the system-level energy efficiency, our objective function is selected by jointly considering both the video quality and the power consumption. We then propose a three-tier dynamic-programming-based algorithm for user/layer-level adaptive modulation mode assignment, for access-point-level power allocation and for cluster-level energy efficiency optimization, respectively. Based on a scalable video coded sequence, our simulation results demonstrate the superior performance of our UC clusters compared to the conventional cell design in terms of its energy efficiency, throughput, as well as video quality in most of the scenarios considered.
2473-2400
59-73
Li, Xuan
ef7e6313-a655-4e1a-bdec-f8a024f80528
Huo, Yongkai
12ef7050-42c0-4660-9776-66ce675fb1ab
Zhang, Rong
3be8f78f-f079-4a3f-a151-76ecd5f378f4
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Li, Xuan
ef7e6313-a655-4e1a-bdec-f8a024f80528
Huo, Yongkai
12ef7050-42c0-4660-9776-66ce675fb1ab
Zhang, Rong
3be8f78f-f079-4a3f-a151-76ecd5f378f4
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Li, Xuan, Huo, Yongkai, Zhang, Rong and Hanzo, Lajos (2017) User-centric visible light communications for energy-efficient scalable video streaming. IEEE Transactions on Green Communications and Networking, 1 (1), 59-73. (doi:10.1109/TGCN.2016.2646820).

Record type: Article

Abstract

An energy-efficient indoor visible light communication (VLC) system relying on dynamic user-centric (UC) cluster formation is designed for scalable video streaming. Explicitly, the radically new UC cluster formation technique is based on an amorphous user-to-network association structure, which is ultimately the basis of our energy-efficient indoor VLC system. Furthermore, in order to optimize the system-level energy efficiency, our objective function is selected by jointly considering both the video quality and the power consumption. We then propose a three-tier dynamic-programming-based algorithm for user/layer-level adaptive modulation mode assignment, for access-point-level power allocation and for cluster-level energy efficiency optimization, respectively. Based on a scalable video coded sequence, our simulation results demonstrate the superior performance of our UC clusters compared to the conventional cell design in terms of its energy efficiency, throughput, as well as video quality in most of the scenarios considered.

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More information

Submitted date: January 2016
Accepted/In Press date: 28 November 2016
e-pub ahead of print date: 30 December 2016
Published date: March 2017
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 387100
URI: https://eprints.soton.ac.uk/id/eprint/387100
ISSN: 2473-2400
PURE UUID: 323eb08b-51f0-4280-ae4a-931da525850f
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 09 Feb 2016 14:18
Last modified: 20 Aug 2019 00:39

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