Channel-individual adaptive beamforming for mobile satellite communications

A digital frequency-division multiplex demultiplexer for single channel per carrier (SCPC) signals was developed for use in a digital channel-individual beamforming network for an adaptive satellite array antenna for mobile satellite communications. The available ASIC (35000 gate functions in CMOS t...

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Bibliographic Details
Published inIEEE journal on selected areas in communications Vol. 13; no. 2; pp. 439 - 448
Main Authors Gebauer, T., Gockler, H.G.
Format Journal Article
LanguageEnglish
Published IEEE 01.02.1995
Subjects
Adaptive arrays
Adaptive systems
Antenna arrays
Array signal processing
Artificial satellites
CMOS technology
Frequency division multiplexing
Mobile antennas
Satellite antennas
Satellite communication
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Summary:A digital frequency-division multiplex demultiplexer for single channel per carrier (SCPC) signals was developed for use in a digital channel-individual beamforming network for an adaptive satellite array antenna for mobile satellite communications. The available ASIC (35000 gate functions in CMOS technology, clock rate up to 30 MHz with low power consumption) permits the separation of FDM signals comprising up to 16 channels. Starting from a suitable model for the demultiplexer beamforming system, this paper describes the analysis, design, simulation and implementation of the hierarchically structured demultiplexer. Aspects of digital beamforming are only discussed as far as necessary for understanding.< >
Bibliography:ObjectType-Article-2
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ISSN:0733-8716
1558-0008
DOI:10.1109/49.345889