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Development of a mobile satellite communication unitA compact 210(W) x 280(H) x 330(D) mm mobile terminal capable of transmitting voice and data through L-band mobile satellites is described. The Voice Codec can convert an analog voice to or from digital codes at rates of 9.6, 8 and 4.8 kb/s by an MPC algorithm. The terminal functions with a single 12 V power supplied vehicle battery. The equipment can operate at any L-band frequency allocated for mobile uses in a full duplex mode and will soon be put into a field test via Japans's ETS-V satellite.
Document ID
19880016317
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Suzuki, Ryutaro (Nippon Electric Co. Ltd. Yokohama (Japan), United States)
Ikegami, Tetsushi (Nippon Electric Co. Ltd. Yokohama (Japan), United States)
Hamamoto, Naokazu (Nippon Electric Co. Ltd. Yokohama (Japan), United States)
Taguchi, Tetsu (Ministry of Posts and Telecommunications Tokyo, Japan)
Endo, Nobuhiro (Ministry of Posts and Telecommunications Tokyo, Japan)
Yamamoto, Osamu (Ministry of Posts and Telecommunications Tokyo, Japan)
Ichiyoshi, Osamu (Nippon Electric Co. Ltd. Yokohama, Japan)
Date Acquired
September 5, 2013
Publication Date
May 1, 1988
Publication Information
Publication: Jet Propulsion Lab., Proceedings of the Mobile Satellite Conference
Subject Category
Communications And Radar
Accession Number
88N25701
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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