Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Patent
1996-04-02
1999-07-06
Tung, Bryan
Telecommunications
Carrier wave repeater or relay system
Portable or mobile repeater
455 121, 455 131, 455 8, 455427, 455428, 455430, 455453, 370316, 342353, H04B 7185
Patent
active
059208040
ABSTRACT:
A method and apparatus for handing off communications between a primary satellite system (500) and an alternate satellite system (550) determines (602) when a hand-off condition for the primary satellite system (500) exists. An alternate satellite (552) is determined (604, 904) which has a coverage area (554) which is positioned such that the alternate satellite (552) can provide an alternate communication link (556). A hand-off between the primary satellite system (500) and the alternate satellite system (550) is then performed (606). When the hand-off condition is alleviated (610), a hand-off back to the primary satellite system (550) is performed and normal operations are resumed (600).
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Armbruster Peter Joseph
Sowles Kenneth Lee
Tayloe Daniel Richard
Bogacz Frank J.
Le Vu
Motorola Inc.
Tung Bryan
Whitney Sherry J.
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