Method and system for beamforming at baseband in a communication

Details Method and system for beamforming at baseband in a communication Method and system for beamforming at baseband in a communication

1998-06-05

2000-04-18

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

H01Q 322, H01Q 324, H01Q 326

Patent

active

06052085&

ABSTRACT:
In a satellite communication system, beamforming is performed at baseband frequencies forming only beams which convey information. A received signal is applied to a downconverter (FIG. 1, 30), followed by a channelizer (50), and digital beamformer (60). The order of operations being reversed in order to generate a transmit beam. By performing the beamforming at baseband, the system can be allowed to form only those beams which convey information between a communications node and a subscriber. As a result, the system provides communication services to subscribers in a more cost-effective manner.

REFERENCES:
patent: 3711855 (1973-01-01), Schmidt et al.
patent: 5577031 (1996-11-01), Smith
patent: 5579341 (1996-11-01), Smith et al.
patent: 5754138 (1998-05-01), Turcotte et al.
patent: 5909649 (1999-06-01), Saunders
patent: 5917447 (1999-06-01), Wang et al.

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