Buffer control for variable-bit-rate video over wireless ATM LAN

Lana H. Nguyen; Sethuraman Panchanathan

doi:10.1117/12.300915

1 February 1998 Buffer control for variable-bit-rate video over wireless ATM LAN

Lana H. Nguyen, Sethuraman Panchanathan

Proceedings Volume 3228, Multimedia Networks: Security, Displays, Terminals, and Gateways; (1998) https://doi.org/10.1117/12.300915
Event: Voice, Video, and Data Communications, 1997, Dallas, TX, United States

Abstract

The derivation of the constraints on the encoded bit rate of a video signal imposed by a channel, encoder and decoder buffers is important in the context of video transmission over a wireless channel. In this paper, we derive the conditions for buffer control to ensure that the buffers do not overflow or underflow when video is transmitted over a variable bit rate channel. Using these conditions and a commonly proposed network-user contract, the effect of a network policing function on the allowable variability of the encoded video bit rate is examined. The details of how these effects might be implemented in a system that controls both the encoded and transmitted bit rates is also presented.

Citation Download Citation

Lana H. Nguyen and Sethuraman Panchanathan "Buffer control for variable-bit-rate video over wireless ATM LAN", Proc. SPIE 3228, Multimedia Networks: Security, Displays, Terminals, and Gateways, (1 February 1998); https://doi.org/10.1117/12.300915

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