Portable cellular telephone using spread spectrum communication

Details Portable cellular telephone using spread spectrum communication Portable cellular telephone using spread spectrum communication

1993-05-20

1994-09-27

Gregory, Bernarr E.

Pulse or digital communications

Repeaters

Testing

380 34, 379 56, 379 58, 379 59, 379 61, 455 331, 455 531, 455 541, H04L 2730

Patent

active

053512707

ABSTRACT:
A portable cellular telephone system including a stationary transceiver for radio communication with a plurality of mobile transceivers within a geographic cell, a mobile transceiver within said geographic cell and having sufficient power to communicate with said stationary transceiver, and a portable transceiver of limited size for personal transport and use. The portable transceiver communicates with the mobile transceiver by spread spectrum techniques, and the mobile transceiver communicates with the stationary transceiver by frequency modulated radio transmission or by digital radio transmission.

REFERENCES:
patent: 4456793 (1984-06-01), Baker et al.
patent: 4659878 (1987-04-01), Dinkins
patent: 4989230 (1991-01-01), Gillig et al.
patent: 5115463 (1992-05-01), Moldavsky et al.

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