Telecommunications – Carrier wave repeater or relay system – Portable or mobile repeater
Patent
1995-08-25
1997-11-18
Pham, Chi H.
Telecommunications
Carrier wave repeater or relay system
Portable or mobile repeater
455 331, 455 542, 379209, H04B 7185, H04B 726, H04Q 738
Patent
active
056898037
ABSTRACT:
A method and apparatus for making a call connection in a communication system (10) having multiple communication units (26) (CU), and at least one communication antenna (12) that moves with respect to the CUs (26). The method involves determining (154) whether a call attempt from a source CU (26) to a target CU (50) is successful. When the call attempt is not successful, a control facility (24) predicts (xxx) when one of the antenna (12) will move within an optimal call initiation area (124), within which there is an increased likelihood of establishing a communication link with the target CU (50). At the time when the antenna (12) will move within the optimal call initiation area (124), the system attempts to contact the target CU (50) and, if successful, informs the target CU (50) to wait while the system calls the source CU (26) and connects the call.
REFERENCES:
patent: 5311583 (1994-05-01), Friedes et al.
patent: 5343512 (1994-08-01), Wang et al.
patent: 5555444 (1996-09-01), Diekelman et al.
patent: 5561836 (1996-10-01), Sowles et al.
Motorola Inc.
Pham Chi H.
Whitney Sherry J.
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