本書系統(tǒng)闡述了以用戶為中心的可見光網(wǎng)絡(luò)設(shè)計與優(yōu)化方法，包括可見光通信基本原理、 章介紹了可見光通信的基本概念，分析以用戶為中心的可見光組網(wǎng)需求及研究趨勢；第2章 點介紹了負載均衡問題的解決方案；第3章以圖論為基礎(chǔ)，介紹了以用戶為中心的可見光接 的組網(wǎng)方法行性能對比分析；第4章詳細介紹了以用戶為中心的可見光網(wǎng)絡(luò)應(yīng)用示例； 點，并對其未來發(fā)展行了展望。本書可供信息與通信工程技術(shù)人員、研究人員、相關(guān)專 考。
At present, counteract the explosive escalation of wireless tele-traffic, the communication spectrum has been gradually expanded from the conventional radio frequency (RF) band to the optical domain. By integrating the RF band relying on diverse radio techniques and optical bands, the next-generation heterogeneous networks (Het Nets) are expected to be a potential solution for supporting the ever-increasing wireless tele-traffic. This book is focused on system-level design of VLC and it is constituted by three major aspects, will motivates the research design of user-centric (UC) VLC about system.
In order to counteract the explosive escalation of wireless tele-traffic, the communication spectrum has been gradually expanded from the conventional radio frequency (RF) band to the optical domain. By integrating the RF band relying on diverse radio techniques and optical bands, the next-generation heterogeneous networks (Het Nets) are expected to be a potential solution for supporting the ever-increasing wireless tele-traffic. Owing to its abundant unlicensed spectral resources, visible light communications ( VLC ) combined with advanced illumination constitute a competent candidate for complementing the existing RF networks. Although the advantages of VLC are multi-fold, some challenges arise when incorporating VLC into the classic RF Het Nets environments, which may require new system architectures. This motivates the research on the system design of user-centric (UC) VLC.
This book is focused on system-level design of VLC and it is constituted by three major aspects, namely (1) by the cooperative load balancing (LB) in hybrid VLC and wireless local area network ( WLAN) as discussed in Chapter 2; (2) by the UC cluster formation and multiuser scheduling ( MUS) of Chapter 3 ; (3 ) as well as by the energy-efficient scalable video streaming design example of Chapter4. Explicitly, this book first study VLC as a complementary extension of the existing RF networks. In Chapter 2, various conventional cell formations are invoked for networks, in order to tackle the significant inter-cell interference (ICI) problem,
Including the traditional unity/non-unity frequency reuse (FR) techniques as well as the advanced combined transmission (CT) and vectored transmission (VT)schemes. The concept of UC cluster formation is a counterpart of the conventional network-centric (NC) cell formation, which is dynamically constructed according to the users? location. Relying on graph theory, the joint cluster formation and MUS problem is introduced and solved in Chapter 3 . Furthermore, another important optimization aspect in most wireless networks is the achievable energy efficiency(EE) . Hence, this book introduces an energy-efficient scalable video streaming application for the UC-VLC network, which achieves superior performance compared to the NC cells in terms of its throughput attained, EE as well as the quality of service.
The author
January 20th, 2025
Chapter1 Introduction
1 .1 Background
1 .2 VLC Links
1 .3 VLC Networks
1 .4 Applications and Extensions of VLC
1 .5 Open Challenges
1 .6 Contributions and Book Outline
2.1 Chapter Introduction
2.2 Hybrid System Model
2.3 Metho do logy for Finding the Optimum LB
2.4 Performance Evaluations of the Hybrid System
2.5 Chapter Conclusions
Chapter3 Users First: User-centric Cluster Formation for Interference mitigation in Visible-light Networks
3 .1 Chapter Introduction
3 .2 System Model of the UC-VLC Network
3 .3 Methodology for UC Cluster Formation
3 .4 Performance Evaluations of the UC-VLC Network
3 .5 Chapter Conclusions
Chapter4 User-centric VLC for Energy-efficient Scalable Video Streaming
4.1 Chapter Introduction
4.2 System Model of the Distance-based UC Cluster Formation
4.3 Scalable Video Streaming
4.4 Energy-efficient Video Streaming Problem Formulation
4.5 Dynamic-programming-based Algorithm
4.6 Performance Evaluations of the Energy-efficient Video Streaming Scheme
4.7 Chapter Conclusions Chapter5 Book Conclusions and Future Work
5 .1 Summary and Conclusions
5 .2 Future Work
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