Carrier Aggregation Transmitter Linearization using 2D-DPD and Out-of-Band IM3 Cancellation

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this work, we propose a digital linearization scheme in a two-channel carrier aggregation transmitter em-ploying two-dimensional digital predistortion (2D-DPD) and out-of-band (OOB) third-order intermodulation distortion (IM3) cancellation. The system was measured with two simultaneous noncontiguous 802.11ac OFDM signals with 20 MHz modulation bandwidth and 10 dB PAPR transmitted using a 5-6 GHz power amplifier at the average power of 4 dBm each. The 2D-DPD algorithm corrected the signals' EVM from -25 to -39 dB, while the OOB harmonic signal injection suppressed the lower and upper IM3 terms by 10 and 9 dB on average, respectively.

Original languageEnglish
Title of host publication2022 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages76-78
Number of pages3
ISBN (Electronic)9781665434720
DOIs
StatePublished - 2022
Event2022 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2022 - Las Vegas, United States
Duration: 16 Jan 202219 Jan 2022

Publication series

Name2022 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2022

Conference

Conference2022 IEEE Topical Conference on RF/Microwave Power Amplifiers for Radio and Wireless Applications, PAWR 2022
Country/TerritoryUnited States
CityLas Vegas
Period16/01/2219/01/22

Keywords

  • 2D-DPD
  • Carrier Aggregation
  • IM3 Cancellation
  • Transmitter Linearization

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electronic, Optical and Magnetic Materials
  • Instrumentation

Fingerprint

Dive into the research topics of 'Carrier Aggregation Transmitter Linearization using 2D-DPD and Out-of-Band IM3 Cancellation'. Together they form a unique fingerprint.

Cite this