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Real-time transceiver implementation for SC-FDE acoustic modems

  • Northwestern Polytechnical University Xian

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

Abstract

We have developed a real-time underwater acoustic modem with single-carrier frequency domain equalization (SC-FDE) transmission. Channel estimation operates in the time domain to improve accuracy, and equalization operates in the frequency domain to reduce complexity. The system is implemented on the floating-point OMAPL138 platform. Through optimization in the algorithm and program scheduling, the high data rate and real-time performance of the modem is guaranteed. We have tested the designed system in a lake experiment in June 2016. At a distance of 5 km, the modem achieved real-time raw data rates of 9600 bps with uncoded bit-error rates of 10-3 in the complex environment.

Original languageEnglish
Title of host publicationWUWNet 2016 - 11th ACM International Conference on Underwater Networks and Systems
PublisherAssociation for Computing Machinery, Inc
ISBN (Electronic)9781450346375
DOIs
StatePublished - 24 Oct 2016
Event11th ACM International Conference on Underwater Networks and Systems, WUWNet 2016 - Shanghai, China
Duration: 24 Oct 201626 Oct 2016

Publication series

NameWUWNet 2016 - 11th ACM International Conference on Underwater Networks and Systems

Conference

Conference11th ACM International Conference on Underwater Networks and Systems, WUWNet 2016
Country/TerritoryChina
CityShanghai
Period24/10/1626/10/16

Keywords

  • OMAPL138
  • SC-FDE
  • Underwater acoustic communication

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