The hardware design and implementation of four-channel UHF RFID reader based on Impinj R2000

Wang, Yuanye; Zhang, Naiqian; Jin, Libiao

doi:10.1109/icsess.2015.7339121

Cited by 4 publications

(2 citation statements)

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“…Researchers all over the world explore the efficiency and reliability of RFID system from different perspectives such as readers, antennas, and tags. In Reference , the single‐channel reader is developed into a four‐channel reader by using a RF electronic switch. Each channel is connected with an antenna.…”

Section: Introductionmentioning

confidence: 99%

Circularly polarized beam‐steering antenna array for ultra‐high frequency radio frequency identification applications

Liu

et al. 2019

Int J RF Microw Comput Aided Eng

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A circularly polarized beam‐steering antenna array with Butler matrix is designed in this letter for ultra‐high frequency radio frequency identification applications. To achieve the identification of the fast‐moving tag groups, a 3 × 4 Butler matrix is utilized to switch the radiation directions at −25°, 0°, and +25°, respectively. Besides, series‐fed patch antenna element is designed and the 1 × 4 antenna array is built with element rotation for a good polarization performance. Finally, the proposed antenna system is fabricated and the identification area and radiation performance are tested.

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Section: Introductionmentioning

confidence: 99%

Circularly polarized beam‐steering antenna array for ultra‐high frequency radio frequency identification applications

Liu

et al. 2019

Int J RF Microw Comput Aided Eng

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“…The extended antenna ports are automatically switched based on the pre-programmed software so that the system can detect over a wide area without tag-to-reader and reader-toreader interferences. A multiport RFID reader, which can further reduce the cost of extra antenna control units, has been designed by Wang et al [6]. By adding frequency and phase hopping techniques, along with the antenna diversity the RFID system performance can be enhanced [7].…”

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confidence: 99%

A Passive UHF RFID System Over Ethernet Cable for Long Range Detection

White

Penty

et al. 2020

IEEE J. Radio Freq. Identif.

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This paper proposes a new form of passive UHF RFID system which has high tag detection accuracy but lower costs than existing systems for wide-range RFID scenarios requiring greater flexibility. This new system concept consists of a central baseband controller and a remote antenna subsystem, connected using a twisted-pair cable. Baseband signals are transmitted over the twisted-pair cable during the inventory session, and the transmitted radio frequency (RF) signals are up and down converted in the antenna subsystem. -88 dBm reader sensitivity is achieved with an active leakage cancellation block, showing little degradation in tag detection performance over a 300m of Cat5e cable between the controller and the antenna. An average leakage suppression of 36.9 dB can be achieved with a fixed transmission power of 26.5 dBm. Compared with conventional RFID systems using coaxial cables between the reader and antenna, the presented system is superior in terms of link distance, link cost, and installation flexibility.

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