Telecommunications – Transmitter and receiver at separate stations – With control signal
Patent
1996-04-03
1998-04-14
Pham, Chi H.
Telecommunications
Transmitter and receiver at separate stations
With control signal
455 63, 455127, 455115, H04B 140
Patent
active
057405204
ABSTRACT:
A transceiver is provided which includes a transmitter for transmitting base band signals at a first operating frequency. The transmitter also includes a lookup table for storing correction coefficients for correcting the base band signals, a pre-distorter for correcting the base band signals and a receiver for receiving the base band signals transmitted by a remote transmitter in a first mode and by the transmitter in a second mode. The receiver includes apparatus for processing the received base band signals, a switching device for switching to the processing apparatus during the first mode and to the incoming signals to the lookup table updater during the second mode. The receiver also includes a lookup table updater, operative during the second mode, for receiving the signals transmitted by the transmitter and for updating the lookup table.
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Stapleton and Cavers, "A New Technique for Adaptation of Linearizing Predistorters", 41st IEEE Vehicular Technology conference in May 1991.
Ghaderi et. al., "Adaptive Predistortion Linearizer using Polynomial Functions", IEEE Proceedings--Communications, vol. 141, No. 2, Apr. 1994.
Stapleton et al., "Stimulation and Analysis of an Adaptive Predistorter Utilizing a Complex Spectral Convolution", IEEE Transactions on Vehicular Technology, vol. 41, No. 4, Nov. 1992.
Ghaderi and Kumar, "Power Amplifier Adaptive Linearization using Predistortion with Polynomial Functions" 22nd European Microwave Conference in 1992.
Cyze Baruch
Glassman Gabriel E.
Greenberger Haim
Pham Chi H.
State of Israel
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