Ground based beam forming utilizing synchronized code division m

Details Ground based beam forming utilizing synchronized code division m Ground based beam forming utilizing synchronized code division m

1997-02-21

1999-05-11

Pham, Chi H.

Multiplex communications

Communication over free space

Using atm as a wireles protocol

455 131, 370320, H04B7/00;7/185;7/216

Patent

active

059035498

ABSTRACT:
A method permitting beam forming at a ground station for providing a coherent and stable uplink signal to a satellite system employing multiple spot beams by combining orthogonal synchronous code division multiplex codes and pseudo-random spreading codes with an information signal to implement a satellite feeder uplink.

REFERENCES:
patent: 5218619 (1993-06-01), Dent
patent: 5555257 (1996-09-01), Dent
patent: 5594941 (1997-01-01), Dent

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