Real-time software-based end-to-end wireless visual communications simulation platform

Ting-Chung Chen; Li-Fung Chang; Andria H. Wong; Ming-Ting Sun; T. Russell Hsing

doi:10.1117/12.206639

21 April 1995 Real-time software-based end-to-end wireless visual communications simulation platform

Ting-Chung Chen, Li-Fung Chang, Andria H. Wong, Ming-Ting Sun, T. Russell Hsing

Author Affiliations +

Proceedings Volume 2501, Visual Communications and Image Processing '95; (1995) https://doi.org/10.1117/12.206639
Event: Visual Communications and Image Processing '95, 1995, Taipei, Taiwan

Abstract

Wireless channel impairments pose many challenges to real-time visual communications. In this paper, we describe a real-time software based wireless visual communications simulation platform which can be used for performance evaluation in real-time. This simulation platform consists of two personal computers serving as hosts. Major components of each PC host include a real-time programmable video code, a wireless channel simulator, and a network interface for data transport between the two hosts. The three major components are interfaced in real-time to show the interaction of various wireless channels and video coding algorithms. The programmable features in the above components allow users to do performance evaluation of user-controlled wireless channel effects without physically carrying out these experiments which are limited in scope, time-consuming, and costly. Using this simulation platform as a testbed, we have experimented with several wireless channel effects including Rayleigh fading, antenna diversity, channel filtering, symbol timing, modulation, and packet loss.

Citation Download Citation

Ting-Chung Chen, Li-Fung Chang, Andria H. Wong, Ming-Ting Sun, and T. Russell Hsing "Real-time software-based end-to-end wireless visual communications simulation platform", Proc. SPIE 2501, Visual Communications and Image Processing '95, (21 April 1995); https://doi.org/10.1117/12.206639

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