A simultaneous transmit-receive quadrature balanced RF front-end with wideband digital self interference cancellation

Nimrod Ginzberg, Dror Regev, Genadiy Tsodik, Shimi Shilo, Doron Ezri, Emanuel Cohen

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

Abstract

This paper presents a quadrature balanced RF Front-End transceiver architecture and a digital self-interference cancellation (SIC) algorithm for simultaneous transmit-receive (Tx-Rx) in next generation half-duplex and full-duplex radios. Tx-Rx isolation of >57dB is measured for CW signals over 80MHz BW, and >40dB for an actual 80MHz 802.11ac OFDM signal within the 2.4GHz Wi-Fi band, along with EVM of -37dB of the Tx signal for a concurrent Tx-SIC operation. Measured Rx loss is lower than 1.8dB within the operating frequency band.

Original languageEnglish
Title of host publication2019 IEEE MTT-S International Microwave Symposium, IMS 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages618-621
Number of pages4
ISBN (Electronic)9781728113098
DOIs
StatePublished - Jun 2019
Event2019 IEEE MTT-S International Microwave Symposium, IMS 2019 - Boston, United States
Duration: 2 Jun 20197 Jun 2019

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
Volume2019-June

Conference

Conference2019 IEEE MTT-S International Microwave Symposium, IMS 2019
Country/TerritoryUnited States
CityBoston
Period2/06/197/06/19

Keywords

  • Full-Duplex
  • Half-Duplex
  • Quadrature-Balanced
  • Simultaneous Transmit-Receive
  • Wi-Fi

All Science Journal Classification (ASJC) codes

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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