Method and apparatus for extending coverage in a cellular commun

Details Method and apparatus for extending coverage in a cellular commun Method and apparatus for extending coverage in a cellular commun

1998-01-07

2000-09-26

Tsang, Fan

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455466, 455 441, 455456, 455561, 455525, 455 312, 455517, H04Q 732, H04Q 730, H04Q 738

Patent

active

061252794

ABSTRACT:
Method for transmitting data packets between base site and designated mobile unit outside coverage area of base site comprises: identifying data packet; transmitting data packet to unit along calculated traffic path; determining if unit is designated unit; and retransmitting data packet from that unit until receiving unit is designated unit.

REFERENCES:
patent: 5559520 (1996-09-01), Barzegar et al.
patent: 5633888 (1997-05-01), Stewart
patent: 5659596 (1997-08-01), Dunn
patent: 5850593 (1998-12-01), Uratani
patent: 5890054 (1999-03-01), Logsdon et al.
patent: 5907794 (1999-05-01), Lehmusto et al.
patent: 5915208 (1999-06-01), Collyer

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