A new modulation technique for doppler compensation in frequency-dispersive channels

Thomas Dean, Mainak Chowdhury, Andrea Goldsmith

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

A new modulation technique for the time-frequency dispersive channel is considered. The waveform construction, called Frequency-Domain Multiplexing with a Frequency-Domain Cyclic Prefix (FDM-FDCP) efficiently corrects for the Doppler spread introduced by the channel. The mathematical foundations behind this construction are described and efficient algorithms presented to modulate and demodulate information symbols. It is found that for channels with a high Doppler spread and a low delay spread, the construction can sustain good performance in terms of low SER and minimal overhead, whereas OFDM is strictly worse. This shows that, in rapidly time-varying time-frequency dispersive channels, general time-frequency signaling schemes (FDM-FDCP being an example) may outperform OFDM or other waveform constructions designed for multipath channels with low mobility.

Original languageEnglish (US)
Title of host publication2017 IEEE International Symposium on Personal, Indoor and Mobile Radio Communications
Subtitle of host publicationEngaged Citizens and their New Smart Worlds, PIMRC 2017 - Conference Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-7
Number of pages7
ISBN (Electronic)9781538635315
DOIs
StatePublished - Feb 14 2018
Externally publishedYes
Event28th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2017 - Montreal, Canada
Duration: Oct 8 2017Oct 13 2017

Publication series

NameIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
Volume2017-October

Conference

Conference28th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2017
CountryCanada
CityMontreal
Period10/8/1710/13/17

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Keywords

  • 5G mobile communication
  • Multipath channels
  • Time-varying channels

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