Delay Constrainted-Rate Allocation for SVC over Device-to-Device Networks

被引:0
|
作者
Wang, Lei [1 ]
Lin, Huangda [1 ]
Chen, Mingkai [1 ]
Kang, Bin [1 ]
Zhang, Xuguang [1 ]
Zhuang, Wenqin [1 ]
机构
[1] Nanjing Univ Posts & Telecommun, Natl Engn Res Ctr Commun & Network Technol, Nanjing, Jiangsu, Peoples R China
来源
2019 15TH INTERNATIONAL WIRELESS COMMUNICATIONS & MOBILE COMPUTING CONFERENCE (IWCMC) | 2019年
基金
中国国家自然科学基金;
关键词
Device-to-Device communication; scalable video coding; video multicast; rate allocation; goodput; JOINT RESOURCE-ALLOCATION; ADAPTIVE MODULATION; CONTENT DELIVERY; VIDEO MULTICAST;
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Device-to-Device (D2D) multicast content sharing is becoming a promising technology to alleviate video traffic overload and can improve the quality of local area services. Whereas existing studies mainly focus on the delay or throughput performance. However, for delay sensitive real-time video traffic, throughput as an indicator of the network-layer cannot properly indicate the benefits of upper-layer applications. Thus, in this paper we propose a video multicast scheme for D2D cooperative scalable video coding (SVC) streaming distribution to cope with the difference between multicast channels firstly. Then, we have provided analytical expressions of the goodput in heterogeneous multicast networks based on D2D collaboration, and a distributed heuristic algorithm is proposed to solve this NP-hard optimization problem. Our results show that the proposed scheme can effectively reduce end-to-end delay, effective loss rate and improve the goodput in the system.
引用
收藏
页码:723 / 728
页数:6
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