QoE-aware optimization for SVC-based adaptive streaming in D2D communications
QoE-aware optimization for SVC-based adaptive streaming in D2D communications
复制标题
D2D 通信中基于 SVC 的自适应流的 QoE 感知优化
DOI：
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发表时间：
2017
期刊：
影响因子：
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通讯作者：
Guihai Chen
中科院分区：
文献类型：
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作者：
Luoyao Hao;Chengming Jin;Xiaofeng Gao;L. Kong;Fan Wu;Guihai Chen
随着对大规模和潜水员服务的需求不断增长，设备对设备（D2D）通信被认为是5G中最有前途的方法之一，以提高服务网络的能力和体验质量（QOE）（QOE）对于移动用户，尤其是那些位于特定领域的用户，要求使用相同的多媒体服务。每个用户的到达和出发是随机的，这严重影响了本文其他邻居用户的连续性。初始化问题是NP完整的，DMaster将D2D通信组织为基于SVC的自适应流（SVC-AS）使用不连接集的dmaster的运行时间为o（| l || d |α（| l |，| d |）），其中l是电位d2d链接集，d是一组设备，而α是α是逆Ackerman功能。大量的模拟表明，拟议的方案可以保证QoE，公平性和连续性，并支持大量用户。 D2D通信中的方案。
As the growing demand for the large-scale and diverse services, Device-to-Device (D2D) communications have been considered as one of the most promising methods in 5G to improve the capacity of the service network and the quality of experience (QoE) for mobile users, especially those located in specific areas, asking for the same kind of multimedia services. However, it is still tough for service providers to manage these devices in a short time because different users have different QoE requirements and the arrival and departure of each user are random, which severely affect the continuity of service for other neighbor users. In this paper, we propose a fast D2D Multimedia Transmission Scheme (named DMaster) based on local search to overcome these drawbacks and solve the D2D service initialization problem, which is NP-Complete. DMaster organizes D2D communications as a spanning tree transmitting SVC-based Adaptive Streaming (SVC-AS). Furthermore, we prove that the running time of DMaster utilizing disjoint-set is O(|L||D|α(|L|, |D|)), where L is the set of potential D2D links, D is the set of devices, and α is the inverse Ackerman function. Extensive simulations show that the proposed scheme guarantees QoE, fairness, and continuity of service and supports a large number of users. To the best of our knowledge, it is the first work focusing on the SVC-based fast service scheme in D2D communications.