Cellular/satellite communications system with improved frequency re-use

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United States of America Patent

PATENT NO 5555257
SERIAL NO

08442166

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a radio communication system and method for minimizing co-channel interference. The system comprises a plurality of mobile stations in communication with a ground based station via an orbiting satellite. The orbiting satellite transponds a combination of signals received from the mobile stations to the ground station in coherent fashion. At the ground station, the combined signals are processing using matrix models to separate the plurality of mobile station signals. The coefficients of the matrix are chosen to minimize interference between channels. Communication in the reciprocal direction proceeds in like manner. The system and methods are applicable to, for example, landmobile communication, satellite communications system and hybrids thereof. In the landmobile or satellite communication environment, the system may include directional antennas.

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Patent Owner(s)

Patent OwnerAddress
ERICSSON GE MOBILE COMMUNICATIONS INCNORTH CAROLINA NORTH CAROLINA

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dent, Paul W Stehags, SE 310 17776

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