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8-PSK Upconverting Transmitter Using $E$ -Band Frequency Sextupler

  • Dhecha Nopchinda*
  • , Zhongxia He
  • , Goran Granstrom
  • , Marcus Gavell
  • , Herbert Zirath
  • *Corresponding author for this work
  • Chalmers University of Technology
  • Gotmic AB

Research output: Contribution to journal › Article › peer-review

Abstract

Operation of a frequency sextupler (X6) as a radio frequency (RF) $E$ -band upconverting transmitter is experimentally demonstrated. An 8-phase-shift keying signal is digitally upconverted to 13.1-GHz intermediate frequency (IF). The resulting signal then goes through the X6 resulting in IF-to-RF upconversion to 78.6 GHz without the need for high-frequency oscillator, mixer, or modulator. A simple one-sixth phase retardation of the baseband signal is used as digital predistortion. A full signal processing chain is implemented at the digital receiver. Techniques to mitigate remaining nonlinearity and worsened phase noise are considered.

Original languageEnglish
Article number8272033
Pages (from-to)177-179
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume28
Issue number2
DOIs
Publication statusPublished - Feb 2018
Externally publishedYes

Keywords

  • Data transmission
  • digital predistortion (DPD)
  • E-band
  • frequency multiplier
  • frequency sextupler
  • multiplierbased transmitter
  • nonlinearity
  • phase noise
  • phase retarder
  • phase-noise mitigation
  • phase-shift keying (PSK)
  • postdistortion

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