Reverse-link interrogation range of a UHF MIMO-RFID system in Nakagami-m fading channels

Do Yun Kim, Han Shin Jo, Hyungoo Yoon, Cheol Mun, Byung Jun Jang, Jong Gwan Yook

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

In this paper, the reverse-link interrogation range (RIR) of ultrahigh-frequency-band passive radio-frequency identification (RFID) is analyzed for single-input and single-output (SISO) and multiple-input and multiple-output (MIMO) systems with maximal-ratio combining in the pinhole channel, where each channel is modeled as an arbitrarily correlated Nakagami-m distribution. Under the assumptions of perfect channel estimation and no interference, the closed-form expression of average RIR is derived, involving various parameters, such as the number of antennas, correlation, reader structure, and Nakagami- m shaping factor. The results show that the employment of multiple antennas at a reader causes the received SNR to change favorably and contributes to the improvement of the average RIR. Particularly, for the bistatic structure and Rayleigh fading (m = 0 dB), a 3 × 3 MIMO-RFID system can achieve 60% gain in the average RIR compared to the SISO-RFID system. In order to consider more realistic environments, finally, we investigated the influence of interference and imperfect channel estimation on the average RIR of the MIMO-RFID system in the uncorrelated Rayleigh fading channel.

Original languageEnglish
Article number5229149
Pages (from-to)1468-1477
Number of pages10
JournalIEEE Transactions on Industrial Electronics
Volume57
Issue number4
DOIs
Publication statusPublished - 2010 Apr 1

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Radio frequency identification (RFID)
Fading channels
Telecommunication links
Rayleigh fading
Channel estimation
Antennas
Frequency bands

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Cite this

Kim, Do Yun ; Jo, Han Shin ; Yoon, Hyungoo ; Mun, Cheol ; Jang, Byung Jun ; Yook, Jong Gwan. / Reverse-link interrogation range of a UHF MIMO-RFID system in Nakagami-m fading channels. In: IEEE Transactions on Industrial Electronics. 2010 ; Vol. 57, No. 4. pp. 1468-1477.
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abstract = "In this paper, the reverse-link interrogation range (RIR) of ultrahigh-frequency-band passive radio-frequency identification (RFID) is analyzed for single-input and single-output (SISO) and multiple-input and multiple-output (MIMO) systems with maximal-ratio combining in the pinhole channel, where each channel is modeled as an arbitrarily correlated Nakagami-m distribution. Under the assumptions of perfect channel estimation and no interference, the closed-form expression of average RIR is derived, involving various parameters, such as the number of antennas, correlation, reader structure, and Nakagami- m shaping factor. The results show that the employment of multiple antennas at a reader causes the received SNR to change favorably and contributes to the improvement of the average RIR. Particularly, for the bistatic structure and Rayleigh fading (m = 0 dB), a 3 × 3 MIMO-RFID system can achieve 60{\%} gain in the average RIR compared to the SISO-RFID system. In order to consider more realistic environments, finally, we investigated the influence of interference and imperfect channel estimation on the average RIR of the MIMO-RFID system in the uncorrelated Rayleigh fading channel.",
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Reverse-link interrogation range of a UHF MIMO-RFID system in Nakagami-m fading channels. / Kim, Do Yun; Jo, Han Shin; Yoon, Hyungoo; Mun, Cheol; Jang, Byung Jun; Yook, Jong Gwan.

In: IEEE Transactions on Industrial Electronics, Vol. 57, No. 4, 5229149, 01.04.2010, p. 1468-1477.

Research output: Contribution to journalArticle

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