A Prototype Modem for Hyper-Multipoint Data Gathering SATCOM Systems ——A Group Modem Applicable to Arbitrarily and Dynamically Assigned FDMA Signals ——

Kiyoshi KOBAYASHI; Fumihiro YAMASHITA; Jun-ichi ABE; Masazumi UEBA

doi:10.1587/transcom.E92.B.3318

Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2008

A Prototype Modem for Hyper-Multipoint Data Gathering SATCOM Systems ——A Group Modem Applicable to Arbitrarily and Dynamically Assigned FDMA Signals ——

Kiyoshi KOBAYASHI, Fumihiro YAMASHITA, Jun-ichi ABE, Masazumi UEBA

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Keywords: FFT filter bank, group modem, hyper-multipoint data gathering, arbitrary and dynamic frequency assignment, satellite communication

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2009 Volume E92.B Issue 11 Pages 3318-3325

DOI https://doi.org/10.1587/transcom.E92.B.3318

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Abstract

This paper presents a prototype group modem for a hyper-multipoint data gathering satellite communication system. It can handle arbitrarily and dynamically assigned FDMA signals by employing a novel FFT-type block demultiplexer/multiplexer. We clarify its configuration and operational principle. Experiments show that the developed modem offers excellent performance.

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