Apparatus and methods for providing wireless communication to a

Details Apparatus and methods for providing wireless communication to a Apparatus and methods for providing wireless communication to a

1996-09-24

1998-10-20

Nguyen, Chau

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

342373, 455562, H04B 7216

Patent

active

058257624

ABSTRACT:
A transmitter (300) is utilized to provide wireless communication in a sectorized coverage area. The transmitter (300) incorporates a hybrid matrix (303) and an inverse hybrid matrix (306) to combine input control signals (315) and traffic signals (316). The hybrid matrix (303) transforms the control signals (315) and traffic signals (316) into output signals which each contain a portion of the control signals (315) and traffic signals (316). The outputs from the hybrid matrix (303) are amplified by amplifiers (319), and the outputs from the amplifiers (319) are then inverse transformed by the inverse hybrid matrix (306). The inverse transform matrix (306) recombines the portions of the control signals (315) and traffic signals (316) originally input to the hybrid matrix (303), and the resulting signals are transmitted to mobile stations (203-205 and 208) in sectorized coverage areas (S1.sub.A and S1.sub.B) using sector antennas (320).

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Egami et al., "An Adaptive Multiple Beam System Concept"; Journal on Selected Areas in Communications vol. 5 No. 4, May 1987.

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