NASA NTRS · 19920014895
A generalized transmultiplexer and its application to mobile satellite communications
Abstract
A generalization of digital transmultiplexer technology is presented. The proposed method can realize transmultiplexer (TMUX) and transdemultiplexer (TDUX) filter banks whose element filters have bandwidths greater than the channel spacing frequency. This feature is useful in many communications applications. As an example, a satellite switched (SS) Frequency Division Multiple Access (FDMA) system is proposed for spot beam satellite communications, particularly for mobile satellite communications.
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Ichiyoshi, Osamu. 1990-01-01. A generalized transmultiplexer and its application to mobile satellite communications. https://ntrs.nasa.gov/citations/19920014895
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