Robust header compression for real-time services in cellular networks
Robust header compression for real-time services in cellular networks
- Author(s): A. Cellatoglu ; S. Fabri ; S. Worrall ; A. Sadka ; A. Kondoz
- DOI: 10.1049/cp:20010025
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- Author(s): A. Cellatoglu ; S. Fabri ; S. Worrall ; A. Sadka ; A. Kondoz Source: Second International Conference on 3G Mobile Communication Technologies (3G 2001), 2001 p. 124 – 128
- Conference: Second International Conference on 3G Mobile Communication Technologies (3G 2001)
- DOI: 10.1049/cp:20010025
- ISBN: 0 85296 731 4
- Location: London, UK
- Conference date: 26-28 March 2001
- Format: PDF
The 3G mobile-IP networks currently being developed will support end-to-end enhanced real-time multimedia services. End-to-end IP enables very high flexibility for transmission over a mobile network. Conversational services require the use of the Real-time Transport Protocol (RTP), which is typically deployed on top of UDP/IP, to facilitate acceptable quality of service at the receiver. The main drawback of using RTP/UDP/IP is the relatively large overhead imposed by these headers (at least 40/60 bytes in each packet), which leads to significant spectral inefficiency, particularly for low-bit rate speech applications. This paper examines current header compression techniques, CRTP & ROCCO, for multimedia services over IP and examines their performance in mobile channel environments.
Inspec keywords: cellular radio; quality of service; transport protocols; multimedia communication; data compression; voice communication; radio networks
Subjects: Mobile radio systems; Protocols; Signal processing and detection; Multimedia communications
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