Equation based rate control scheme for video streaming over wireless channels with link level ARQ

被引：0

作者：

Zhu X.-L. ^{[1
]}

Yang Z.-K. ^{[1
]}

Du X. ^{[1
]}

Cheng W.-Q. ^{[1
]}

机构：

[1] Department of Electronics and Information Engineering, Huazhong University of Science and Technology

来源：

Journal of Zhejiang University: Science | 2006年 / 7卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Automatic repeat request (ARQ); Rate control; TFRC; Video streaming; Wireless channels;

D O I：

10.1631/jzus.2006.A1702

中图分类号：

学科分类号：

摘要：

Equation based TCP-friendly rate control (TFRC) protocol has been proposed to support video streaming applications. In order to improve TFRC performance in wireless channels, the link level automatic repeat request (ARQ) scheme is usually deployed. However, ARQ cannot ensure strict delay guarantees, especially over multihop links. This paper introduces a theoretical model to deduce an equation for packet size adjustment in transport layer to minimize retransmission delay by taking into consideration the causative reasons inducing retransmission in link layer. An enhanced TFRC (ETFRC) scheme is proposed integrating TFRC with variable packet size policy. Simulation results demonstrate that higher goodput, lower packet loss rate (PLR), lower frame transmission delay and jitter with good fairness can be achieved by our proposed mechanism.

引用

页码：1702 / 1708

页数：6

共 8 条

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