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IEEE transactions on wireless communications, 2018-06, Vol.17 (6), p.4028-4038
2018
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Autor(en) / Beteiligte
Titel
Symbol Detection of Ambient Backscatter Systems With Manchester Coding
Ist Teil von
  • IEEE transactions on wireless communications, 2018-06, Vol.17 (6), p.4028-4038
Ort / Verlag
IEEE
Erscheinungsjahr
2018
Quelle
IEEE Electronic Library (IEL)
Beschreibungen/Notizen
  • Ambient backscatter communication is a newly emerged paradigm, which utilizes the ambient radio frequency signal as the carrier to reduce the system battery requirement, and is regarded as a promising solution for enabling large-scale deployment of future Internet of Things networks. The key issue of ambient backscatter communication systems is how to perform reliable detection. In this paper, we propose novel encoding methods at the information tag and devise the corresponding symbol detection methods at the reader. In particular, Manchester coding and differential Manchester coding are adopted at the information tag, and the corresponding semi-coherent Manchester (SeCoMC) and non-coherent Manchester (NoCoMC) detectors are developed. In addition, analytical bit-error-rate (BER) expressions are characterized for both detectors assuming either complex Gaussian or unknown deterministic ambient signal. Simulation results show that the BER performance of unknown deterministic ambient signal is better, and the SeCoMC detector outperforms the NoCoMC detector. Finally, compared with the prior detectors for ambient backscatter communications, the proposed detectors have the advantages of achieving superior BER performance with lower communication delay.
Sprache
Englisch
Identifikatoren
ISSN: 1536-1276
eISSN: 1558-2248
DOI: 10.1109/TWC.2018.2819188
Titel-ID: cdi_ieee_primary_8329444

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