An improved equation based rate adaptation scheme for video streaming over UMTS

被引:1
|
作者
Dehkordi, Abdolkarim Mardanian [1 ]
Vakili, Vahid Tabataba [1 ,2 ]
机构
[1] Iran Univ Sci & Technol, Tehran, Iran
[2] Iran Univ Sci & Technol, Sch Elect Engn, Tehran, Iran
关键词
Adaptive video streaming; Cellular network; Rate control; TFRC; UMTS; TRANSMISSION; PERFORMANCE;
D O I
10.1007/s11235-011-9668-0
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
Streaming video has experienced phenomenal growth owing to the extensive research in video transmission over wireless networks. This paper describes an improved equation based rate adaptation (EBRA) scheme for video streaming over universal mobile telecommunications system (UMTS). In our method, transmission rate is determined as a function of packet size (s), round trip time (rtt), loss event rate (p) and two novel control parameters for congestion window adjustment (alpha and beta). Our mechanism is compatible with unpredictable wireless channel conditions and provides smooth and flexible sending rate and slowly responsible congestion control by dynamic modification of mentioned parameters. We have simulated this method in UMTS and our results indicate that EBRA in addition to network stability increases throughput with low variations.
引用
收藏
页码:271 / 283
页数:13
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