Statistical calibration of wireless base stations

Details Statistical calibration of wireless base stations Statistical calibration of wireless base stations

2006-01-03

2006-01-03

Trinh, Sonny (Department: 2687)

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

C455S025000, C455S562100

Reexamination Certificate

active

06983127

ABSTRACT:
The present invention allows a radio receiver or a transmitter, with a plurality of antennas configured into an array, to be calibrated. In one embodiment, the method includes receiving a plurality of signals from a plurality of remote transmitters at the antenna array, sampling the signals received at at least two antennas of the array, computing a relative phase and amplitude of the sampled signals for each antenna, and computing calibration coefficients based on the relative phase and amplitude for the plurality of sampled signals from the plurality of remote transmitters for each antenna.

REFERENCES:
patent: 5262789 (1993-11-01), Silverstein
patent: 5557640 (1996-09-01), Chadwick
patent: 6037898 (2000-03-01), Parish et al.
patent: 6288675 (2001-09-01), Maloney
patent: 6304750 (2001-10-01), Rashid-Farrokhi et al.
patent: 6654590 (2003-11-01), Boros et al.
patent: 6788948 (2004-09-01), Lindskog et al.

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