DIGITAL PRE-DISTORTION FOR BEAMFORMING TRANSCEIVERS

According to some embodiments, in a radio frequency (RF) transceiver system having a transmit chain with a beamforming array, a digital pre-distorter (DPD) includes: a plurality of inputs including at least a first input to receive a first signal corresponding to a signal desired to be transmitted v...

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Bibliographische Detailangaben
Hauptverfasser:	Hoversten, John R, Tkachenko, Yevgeniy A, Lewis, Ty, Renstrom, Thomas
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	According to some embodiments, in a radio frequency (RF) transceiver system having a transmit chain with a beamforming array, a digital pre-distorter (DPD) includes: a plurality of inputs including at least a first input to receive a first signal corresponding to a signal desired to be transmitted via the transmit chain or a modified version of the signal desired to be transmitted via the transmit chain, and a second input to receive a second signal corresponding to a signal associated with the beamforming array or a translated version of the signal associated with the beamforming array; circuitry configured to apply digital predistortion to the signal desired to be transmitted based at least in part on combining the first and second signals; and an output connected to provide a resulting pre-distorted signal to the transmit chain.