Andree Fouque, F. Rivet, François Fadhuile, Y. Deval, J. Bégueret, D. Belot
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引用次数: 5
Abstract
This article provides an overview of the Digital Video Broadcasting - Satellite (DVB-S) specifications and the context of its extension to mobility. Different ways for receiving digital television on mobile devices are summarized. Then, the overall demonstrator from the antenna to the baseband signal processing is presented. Some attention is paid to the analog channel selection and QPSK frequency demodulation. The noise issues are deeply developed in this paper. Finally, a new technique (the “Wipe-off technique”) for improving noise performances is suggested. It is claimed that DVB-S fulfills the requirements to extend the fixed reception toward mobility in Ku-band with large area coverage, good quality of the received signals, reduced total network cost and low power consumption thanks to a full analog signal processing channel selection.
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