Performance analysis of scalable video transmission in machine-type-communication caching network. (January 2019)

• Record Type: Journal Article
• Authors: Hou, Yanzhao; Hu, Nan; Cui, Qimei; Tao, Xiaofeng
• Is Part Of: International journal of distributed sensor networks. Volume 15:Number 1(2019)
• Publication Date: 2019-01
• Subjects: Scalable video coding -- machine-type-communications -- caching -- heterogeneous network -- performance analysis; Sensor networks -- Periodicals; Intelligent agents (Computer software) -- Periodicals; Multisensor data fusion -- Periodicals; 681.2
• DOI: 10.1177/1550147718815851
• Languages: English
• ISSNs: 1550-1329

Abstract

In this article, different from the traditional Device-to-Device caching wireless cellular networks, we consider the scalable video coding performance in cache-based machine-type communication network, where popular videos encoded by scalable video coding method can be cached at machine-type devices with limited memory space. We conduct a comprehensive analysis of the caching hit probability using stochastic geometry, which measures the probability of requested video files cached by nearby local devices and the user satisfaction index, which is essential to delay sensitive video streams. Simulation results prove the derivation of the performance metrics to be correct, using Random cache method and Popularity Priority cache method. It is also demonstrated that scalable video coding–based caching method can be applied according to different user requirements as well as video-type requests, to achieve a better performance.