Investigation of spatial and frequency diversity for long range UHF RFID

2008 ◽  
Author(s):  
S.R. Banerjee ◽  
R. Jesme ◽  
R.A. Sainati
Keyword(s):  
Long Range ◽  
Frequency Diversity ◽  
Uhf Rfid

Wideband Long Range, Radiation Efficient Compact UHF RFID Tag

2018 ◽  
Vol 17 (10) ◽  
pp. 1755-1759 ◽  
Author(s):  
Abhishek Choudhary ◽  
Deepak Sood ◽  
Chander Charu Tripathi
Keyword(s):  
Long Range ◽  
Uhf Rfid ◽  
Rfid Tag

scholarly journals SIGNAL DESCRIPTIONS AND FORMULATIONS FOR LONG RANGE UHF RFID READERS

2007 ◽  
Vol 71 ◽  
pp. 109-127 ◽  
Author(s):  
Zhiguang Fan ◽  
Shan Qiao ◽  
Huang-Fu Jiang Tao ◽  
Li-Xin Ran
Keyword(s):  
Long Range ◽  
Uhf Rfid ◽  
Rfid Readers

scholarly journals A Circularly Polarized Antenna Array with Gain Enhancement for Long-Range UHF RFID Systems

Electronics ◽  
2019 ◽  
Vol 8 (4) ◽  
pp. 400 ◽  
Author(s):  
Wei Hu ◽  
Guangjun Wen ◽  
Daniele Inserra ◽  
Yongjun Huang ◽  
Jian Li ◽  
...  
Keyword(s):  
Antenna Array ◽  
Long Range ◽  
Radio Frequency Identification ◽  
Coaxial Line ◽  
Axial Ratio ◽  
High Gain ◽  
Basic Element ◽  
Uhf Rfid ◽  
Circularly Polarized ◽  
Gain Enhancement

A 2 × 2 circularly polarized (CP) sequential rotation microstrip patch antenna array with high gain for long-range ultra-high frequency (UHF) radio frequency identification (RFID) communication is proposed in this paper. In order to meet the operational frequency band requirement of 840–960 MHz and, at the same time, achieve enhanced broadside gain, a two-level sequential rotation structure is developed. Series power divider is used as the basic element of the feed network that is implemented with the substrate-integrated coaxial line technology for minimizing radiation losses. The manufactured prototype exhibits a peak gain of 12.5 dBic at 900 MHz and an axial ratio (AR) bandwidth (AR ≤ 3 dB) of 18.2% from 828 to 994 MHz. In comparison with the state-of-the-art, the proposed antenna shows an excellent gain/size trade-off.

scholarly journals Long Range Battery-Less UHF-RFID Platform for Sensor Applications

2019 ◽  
Author(s):  
Davide Fabbri ◽  
Eliot Berthet-Bondet ◽  
Diego Masotti ◽  
Alessandra Costanzo ◽  
Davide Dardari ◽  
...  
Keyword(s):  
Long Range ◽  
Uhf Rfid ◽  
Sensor Applications

Long Range Passive UHF RFID System Using HVAC Ducts

2010 ◽  
Vol 98 (9) ◽  
pp. 1629-1635 ◽  
Author(s):  
Pavel V. Nikitin ◽  
Darmindra D. Arumugam ◽  
Matthew J. Chabalko ◽  
Benjamin E. Henty ◽  
Daniel D. Stancil
Keyword(s):  
Long Range ◽  
Uhf Rfid ◽  
Passive Uhf Rfid ◽  
Rfid System

scholarly journals Long-Range Monitoring System with PDMS Material

2018 ◽  
Vol 10 (3) ◽  
pp. 974
Author(s):  
Norsaidah Muhamad Nadzir ◽  
M. K. A. Rahim ◽  
F. Zubir ◽  
H. A. Majid
Keyword(s):  
Monitoring System ◽  
Long Range ◽  
Raspberry Pi ◽  
Uhf Rfid ◽  
Long Distance ◽  
Rfid Tag ◽  
Rfid Reader

This paper describes the development of a long range monitoring system that integrates Cottonwood: UHF Long Distance RFID reader module with Raspberry Pi 3. When a UHF RFID tag is within the UHF RFID reader antenna’s range, the unique ID of the tag will be transferred to the Raspberry Pi 3 to be processed. Then, the data will be sent over to the database wirelessly to be managed, stored, and displayed. The paper also describes the measurement done to determine the most suitable thickness of PDMS material so that it could be incorporated as a wearable transponder. After the result is calculated and tabulated, it can be concluded that the most suitable thickness of PDMS material for the transponder is 8 mm.

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