Low complexity and high performance equalizer design for UWB

Po L. Yeh*, Kuei-Ann Wen

*Corresponding author for this work

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

1 Scopus citations

Abstract

This paper presents a novel receiving scheme with combining phase error tracker (PET) and MMSE equalizer for Multi-Band Ultra Wideband (MB-UWB). A low complexity phase error tracker is developed to track the phase error caused by carrier frequency offset (CFO) and sampling clock offset (SCO), which will cause fatal error in coherent OFDM demodulation. The proposed joint scheme makes the receiver more robust to CFO and SCO effects and can suppresses the error rate at low SNR and high data rate receiving. With through MB-UWB simulation, the proposed scheme contributes 1.36∼ 7.25dB gain in SNR for 8% packet error rate (PER) specification in different transmission modes. Furthermore, the low complexity algorithm can benefit the low area and low power design for wireless applications.

Original languageEnglish
Title of host publicationWCNC 2008 - IEEE Wireless Communications and Networking Conference, Conference Proceedings
Pages124-129
Number of pages6
StatePublished - 18 Sep 2008
EventIEEE Wireless Communications and Networking Conference, WCNC 2008 - Las Vegas, NV, United States
Duration: 31 Mar 20083 Apr 2008

Publication series

NameIEEE Wireless Communications and Networking Conference, WCNC
ISSN (Print)1525-3511

Conference

ConferenceIEEE Wireless Communications and Networking Conference, WCNC 2008
CountryUnited States
CityLas Vegas, NV
Period31/03/083/04/08

Keywords

  • Carrier frequency offset
  • MMSE
  • MulTi-band Ultra Wideband
  • OFDM
  • Phase error tracker
  • Sampling clock offset

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