Energy efficient transmitters for high data rate biomedical applications

  • Chun Huat Heng
  • , Yuan Gao
  • , Mehran Mohammadi Izad
  • , Shengxi Diao
  • , San Jeow Cheng
  • , Yuanjin Zheng
  • , Minkyu Je

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

Abstract

In this paper, we examine techniques to achieve both spectrum and energy efficient transmitters, targeting for high data rate biomedical applications. These applications benefit from asymmetric data link, where energy efficient high data rate transmitter and low data rate receiver are usually integrated. Injection locking LC oscillator and ring oscillator are employed here to achieve efficient PSK modulation. QPSK/O-QPSK/8PSK modulation with EVM of 6.4%/4.5%/3.8% have been demonstrated at data rate of 10Mbps∼90Mbps with the lowest reported energy efficiency of 118pJ/bit and 17pJ/bit. Due to the architectural simplification, only active area of 0.28mm2 and 0.038mm2 are required for the transmitters.

Original languageEnglish
Title of host publication2013 IEEE International Wireless Symposium, IWS 2013
DOIs
StatePublished - 2013
Externally publishedYes
Event2013 IEEE International Wireless Symposium, IWS 2013 - Beijing, China
Duration: 14 Apr 201318 Apr 2013

Publication series

Name2013 IEEE International Wireless Symposium, IWS 2013

Conference

Conference2013 IEEE International Wireless Symposium, IWS 2013
Country/TerritoryChina
CityBeijing
Period14/04/1318/04/13

Keywords

  • 8PSK
  • O-QPSK
  • QPSK
  • energy efficiency
  • injection locking
  • transmitters

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