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High-Throughput and High-Efficiency Multiple Access Scheme for IEEE802.15.4 Based RFID Sensing
KTH, School of Information and Communication Technology (ICT), Industrial and Medical Electronics. (iPack)
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2015 (English)In: IEEE ICUWB 2015 Conference Proceedings, IEEE conference proceedings, 2015Conference paper, Published paper (Other academic)
Abstract [en]

This paper presents optimizations on guard time and synchronization cycle for Time Division Multiple Access (TDMA) based deterministic Radio Frequency Identification (RFID) system. The TDMA scheme can provide guaranteed latency and high throughput for RFID system that includes fixed number of users (tags) and requests long-message transmission. However, collisions due to accumulated clock drifts of the active RFID tags equipped with independent self-clocked microcontrollers are the major challenge. In this work, we model relations between guard time and synchronization cycle used to tolerate the accumulated clock drift and reduce the probability of collisions for an extended-star RFID system. Constraints of safe guard time and synchronization cycle are proposed to consider energy efficiency and time efficiency. Moreover, optimization on guard time and synchronization cycle are explored in terms of transmission time, tag number, energy efficiency and time efficiency. The simulation results indicate that system with long transmission time (around 1 ms) enjoys higher time and energy efficiency under optimal configuration of guard time and synchronization cycle.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-169530DOI: 10.1109/ICUWB.2015.7324458ISI: 000380434500069Scopus ID: 2-s2.0-84962320079OAI: oai:DiVA.org:kth-169530DiVA: diva2:822048
Conference
IEEE ICUWB October 4-7,2015, Montreal, Canada
Note

QC 20160616

Available from: 2015-06-16 Created: 2015-06-16 Last updated: 2016-11-11Bibliographically approved

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Publisher's full textScopusHigh-Throughput and High-Efficiency Multiple Access Scheme for IEEE802.15.4 Based RFID Sensing

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Zhai, ChuanyingTenhunen, Hannu
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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Language
  • de-DE
  • en-GB
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  • Other locale
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Output format
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