Packet-by-Packet Adaptive Scheme for Video Coding and Transmission Over Wireless IP Networks Using Rate-Compatible Punctured Turbo (RCPT) Codes

被引：0
|
作者：
Yong Pei
Viraj S. Ambetkar
机构：
[1] Wright State University,Computer Science and Engineering Department
来源：
Wireless Personal Communications | 2007年 / 43卷
关键词：
Video transmission; RTP-H.263+; RCPT codes; Joint source-channel coding; Rician fading;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, we consider real-time video coding and transmission over packet-switched wireless IP networks, such as WLAN, using RCPT codes and joint source-channel coding (JSCC) with concentration on a packet-by-packet adaptive scheme. We present a systematic design methodology to enable the applicability of JSCC techniques. The performance of H.263+ video coding and transmission over wireless channel modeled as slow Rician fading channels using this approach is studied. Results indicate that a packet-by-packet adaptive RCPT-JSCC approach is of significant advantage for real-time video applications and leads to more acceptable video delivery quality over interference-limited and time-varying wireless networks.
引用
收藏
页码：1675 / 1687
页数：12
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