Beam pattern equalization method for an adaptive array

Details Beam pattern equalization method for an adaptive array Beam pattern equalization method for an adaptive array

1992-05-11

1993-12-28

Eisenzopf, Reinhard J.

Telecommunications

Carrier wave repeater or relay system

Directive antenna

455129, 455 333, 4552761, 342368, 342378, H04B 0714

Patent

active

052748448

ABSTRACT:
A method is offered of automatically beamforming a radio frequency transmitter having an array antenna. The beamformed signal is transmitted for the benefit of a target communication unit based upon characteristics of a received signal. The method includes the steps of determining a transmit equalizer transfer function and receive equalizer transfer function for each array element of the antenna array based, at least in part, upon application of common input signals and comparison of outputs. The method further includes adaptively filtering a received signal, from a communication unit based, at least in part, upon the determined receive equalizer weights, to provide a receive beamform array. A beamformed signal may then be transmitted to the communication unit based upon the transmit equalizer weights and receive beamform array.

REFERENCES:
patent: 4575724 (1986-03-01), Wiener
patent: 4754282 (1988-06-01), Edelblute et al.
patent: 5099254 (1992-03-01), Tsukii et al.

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