학술논문

Video quality evaluation for wireless transmission with robust header compression
Document Type
Conference
Source
Fourth International Conference on Information, Communications and Signal Processing, 2003 and the Fourth Pacific Rim Conference on Multimedia. Proceedings of the 2003 Joint Information, communications and signal processing and multimedia Information, Communications and Signal Processing, 2003 and Fourth Pacific Rim Conference on Multimedia. Proceedings of the 2003 Joint Conference of the Fourth International Conference on. 3:1346-1350 vol.3 2003
Subject
Computing and Processing
Signal Processing and Analysis
Communication, Networking and Broadcast Technologies
Video compression
Robustness
Bandwidth
Protocols
Internet
Wireless networks
Delay
Switching circuits
Speech analysis
IP networks
Language
Abstract
Robust header compression (ROHC), an IP header compression mechanism for wireless environments, was recently standardized by the Internet Engineering Task Force in RFC 3095 and an integral part of the 3GPP-UMTS specifications. In this paper we conduct a thorough performance evaluation of video transmission over wireless links with ROHC. We find that ROHC can achieve significant bandwidth reductions for wireless video transmission. We demonstrate that the achieved compression depends to a large degree on the video content. We also demonstrate that ROHC does not affect the video quality. This is in contrast to recent ROHC evaluations for wireless voice transmissions, which indicate that ROHC does improve the voice quality.