H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/005 (2006.01) H01Q 21/00 (2006.01) H04B 1/18 (2006.01) H04B 7/02 (2006.01) H04B 7/06 (2006.01) H04B 7/08 (2006.01)
Patent
CA 2330021
A method and system for adaptive signal processing for an antenna array reduces the requisite computations for executing an adaptive algorithm that combines or digitally filters baseband receive signals. The system receives uplink electromagnetic signals from a phased array and uplink electromagnetic signals from a diversity array during the reception of a desired electromagnetic signal transmitted by a desired mobile station. The uplink signals are converted into baseband signals for digital signal processing. The baseband signals are observable as a series of successive time slots. The system determines uplink coarse combining weights associated with the uplink baseband signals of the phased array and downlink coarse combining weights associated with the downlink baseband signals of the phased array. The baseband uplink signals are summed into as few as one resultant baseband signal during or after application of the coarse combining weights to the baseband uplink signals. The system determines fine combining weights for one or more resultant baseband signals and the baseband uplink signals on a symbol-by-symbol basis, or on any durational basis less than a time slot, to combine the signals into a single enhanced baseband signal for symbol detection.
Aiken Richard Thomas
Benning Roger David
Uptegrove Dirck
Kirby Eades Gale Baker
Lucent Technologies Inc.
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