Turning waste into wealth: Enabling communication in guardband whitespace

Jiansong Zhang, Jin Zhang, Kun Tan, Lin Yang, Qian Zhang, Yongguang Zhang

Research output: Chapter in Book/Conference Proceeding/ReportConference Paper published in a bookpeer-review

Abstract

Similar to TV bands, the guardband frequencies are not occupied therefore are whitespace that potentially allows additional communication activities. Considering the difference to TV whitespace, we propose independent communication for guardband whitespace. In this paper, we present the Pilotfish system which realizes independent communication and turns guardband whitespace into new communication channels. To address the big challenges of interference mitigation, we employ novel PHY design which includes specially customized FBMC and an Nulled Decoding technique to null the strong background signal in guardbands. We implemented Pilotfish using software radio system. Empirical evaluation results validate the Pilotfish design in both PHY and MAC.

Original languageEnglish
Title of host publicationMobiHoc'15 - Proceedings of the 16th ACM International Symposium on Mobile Ad Hoc Networking and Computing
PublisherAssociation for Computing Machinery
Pages37-46
Number of pages10
ISBN (Electronic)9781450334891
DOIs
Publication statusPublished - 22 Jun 2015
Event16th ACM International Symposium on Mobile Ad Hoc Networking and Computing, MobiHoc 2015 - Hangzhou, China
Duration: 22 Jun 201525 Jun 2015

Publication series

NameProceedings of the International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc)
Volume2015-June

Conference

Conference16th ACM International Symposium on Mobile Ad Hoc Networking and Computing, MobiHoc 2015
Country/TerritoryChina
CityHangzhou
Period22/06/1525/06/15

Bibliographical note

Publisher Copyright:
Copyright © 2015 ACM.

Keywords

  • Filtering
  • Guardband whitespace
  • Independent communication
  • Nulled decoding
  • Wireless

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