Invention Grant
- Patent Title: Multi-band radio-frequency digital predistortion
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Application No.: US14595619Application Date: 2015-01-13
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Publication No.: US09281972B2Publication Date: 2016-03-08
- Inventor: Mark Edward Rollins
- Applicant: Telefonaktiebolaget L M Ericsson (publ)
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget L M Ericsson (publ)
- Current Assignee: Telefonaktiebolaget L M Ericsson (publ)
- Current Assignee Address: SE Stockholm
- Agency: Withrow & Terranova, PLLC
- Main IPC: H04L25/08
- IPC: H04L25/08 ; H03F1/32 ; H03F3/24 ; H04L27/36

Abstract:
Systems and methods for radio frequency digital predistortion in a multi-band transmitter are disclosed. In one embodiment, the multi-band transmitter includes a digital upconversion system configured to digitally upconvert digital input signals to provide digital radio frequency signals. Each digital input signal and thus each digital radio frequency signal corresponds to a different band of a multi-band transmit signal to be transmitted by the multi-band transmitter. The multi-band transmitter also includes a radio frequency digital predistortion system configured to digitally predistort the digital radio frequency signals to provide predistorted digital radio frequency signals, and a combiner configured to combine the predistorted digital radio frequency signals to provide a multi-band predistorted digital radio frequency signal.
Public/Granted literature
- US20150163079A1 MULTI-BAND RADIO-FREQUENCY DIGITAL PREDISTORTION Public/Granted day:2015-06-11
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