Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Patent
1993-07-22
1995-02-28
Eisenzopf, Reinhard J.
Telecommunications
Carrier wave repeater or relay system
Portable or mobile repeater
455 132, 455 332, 455 561, 455 63, 342356, 379 60, H04B 7185
Patent
active
053945611
ABSTRACT:
There is provided a mechanism for networking satellite and terrestrial networks. It comprises: maintaining subscriber-received power levels of terrestrial network transmissions about one order of magnitude above co-channel satellite transmissions to overcome interference and maintaining subscriber transmissions to terrestrial networks at power levels about one order of magnitude of the below co-channel transmissions to satellite networks to avoid causing interference at the satellite. Such power level maintenance is provided by the network in communication with such subscriber. Moreover, a non-orbiting ("grounded") satellite cooperates as a switching node of both the satellite network and a terrestrial network to relay information between a terrestrial subscriber and the satellite radiotelephone network over a terrestrial network. The terrestrial network and the satellite network may communicate via either the inter-satellite spectrum or the terrestrial-to-satellite spectrum.
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Kachmar, Michael, "Land-Mobile Satellites Pick-Up Where Cellular Radio Leaves Off" Microwaves and RF. 1984, pp. 33-35.
Binder, et al: "Crosslink Architecture For a Multiple Satellite System"; IEEE Jan. 1987; pp. 74-81.
Dondl, Peter: "Digital Network Oriented Mobile Radio Satellite System".
Rafferty, et al: "RF Developement For Mobile-Satellite Systems"; MSN & CT Nov. 1988, pp. 28-30 and 37.
Del Re, Enrico: "An Integrated Satellite-Cellular Land-Mobile System For Europe".
Eisenzopf Reinhard J.
Faile Andrew
Motorola Inc.
Warren Raymond J.
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