Beamforming architecture for multi-beam phased array antennas

Details Beamforming architecture for multi-beam phased array antennas Beamforming architecture for multi-beam phased array antennas

2007-09-18

2007-09-18

Owens, Douglas W. (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S853000

Reexamination Certificate

active

10707211

ABSTRACT:
A first subarray beamformer for a multi-beam phased array antenna (12) used in a receiving mode includes multiple phased array antenna beamforming layers. The beamforming layers include a first beamforming layer (90) that may have a first series of combiners in a first orientation. The first series of combiners combine a first set of signals to form a second set of signals. A second beamforming layer (110) may have a second series of combiners in a second orientation that are coupled to and oppose the first series of combiners. The second series of combiners combine the second set of signals to form a first combined signal. A second subarray beamformer for a multi-beam phased array antenna used in a transmitting mode that has a similar configuration as that of the first subarray beamformer, but includes dividers rather than combiners.

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