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Poster abstract: Cross-layer optimization for low-power wireless coexistence
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2015 (English)In: SenSys 2015 - Proceedings of the 13th ACM Conference on Embedded Networked Sensor Systems, ACM Digital Library, 2015, 443-444 p.Conference paper (Refereed)Text
Abstract [en]

We present a system that leverages physical layer features to combat Cross-Technology Interference (CTI) in low-power wireless networks. Our system incorporates: (i) a lightweight interference detection mechanism for low-power radios that recognizes the type of interference in the received signal, (ii) a lightweight error detection mechanism to estimate and characterize error patterns within interfered packets, and (iii) a CTI-aware protocol that dynamically adapts transmission and recovery mode to the current interference patterns. We implement a prototype of our system for the lowpower IEEE 802.15.4 in software defined radios (SDR). Our early results of the system components demonstrate that we can achieve a high accuracy in error detection and interference type identification. Moreover, we observed a significant performance improvement compared to the standard 802.15.4 systems without interference-awareness.

Place, publisher, year, edition, pages
ACM Digital Library, 2015. 443-444 p.
Keyword [en]
Coexistence, Cross-layer design, CTI, Low-power wireless, Bit error rate, Embedded systems, Error detection, Errors, Network layers, Radio broadcasting, Radio transmission, Software radio, Standards, Cross layer optimization, Error-detection mechanism, Interference detection, Low power wireless, Low power wireless networks, Software-defined radios, Low power electronics
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-186842DOI: 10.1145/2809695.2817905ISI: 000380612400062ScopusID: 2-s2.0-84962896182ISBN: 9781450336314OAI: oai:DiVA.org:kth-186842DiVA: diva2:930767
Conference
13th ACM Conference on Embedded Networked Sensor Systems, SenSys 2015, 1 November 2015 through 4 November 2015
Note

QC 20160525

Available from: 2016-05-25 Created: 2016-05-13 Last updated: 2016-09-05Bibliographically approved

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