Antenna Design for Semi-Passive UHF RFID Transponder with Energy Harvester

Jankowski-Mihułowicz, Piotr; Kawalec, Damian; Węglarski, Mariusz

doi:10.13164/re.2015.0722

Cited by 11 publications

(20 citation statements)

References 20 publications

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“…These blocks are designed on the basis of semi-passive chips that have additional wire serial peripheral bus for communication with a supervising controller (HF band: ST M24LR64E chip with I2C bus; UHF band: chip AMS SL900A, SPI bus) [5,8,15]. Moreover, the both ICs can gather energy from the electromagnetic field generated by antennas of RWD, in their operating frequency bands.…”

Section: Multiband Development Board Of Battery-less Autonomous Semi-mentioning

confidence: 99%

“…Usually, these very rare solutions can operate in a semi-passive mode (with battery) or in a passive mode (without battery). However, it should be kept in mind that the chips with the ability of recovering energy require a different antenna pattern than it is in the conventional passive transponders [15]. It should be also noted that the RWD has to be still active to conduct the radio communication process (transmission data in semi-passive RFID systems), because the extra battery system can never be used for activating the transmission circuit.…”

Section: Introductionmentioning

confidence: 99%

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Development board of the autonomous semi-passive RFID transponder

Jankowski-Mihułowicz

Węglarski

Pitera

et al. 2016

Bulletin of the Polish Academy of Sciences Technical Sciences

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Abstract. The idea of multiband development board designed to support and advance the technique of battery-less autonomous semi-passive RFID transponders is presented in the paper. The extra function of harvesting energy from the electromagnetic field of different radio communications systems, the ultra efficient power conditioner and the energy storage block are applied in the proposed construction. The facility of utilizing gathered energy is provided to support designers in developing applications of automatic object identification. Since the evaluation board is to work without a galvanic cell, the particular emphasis is put on the mechanisms that improve energy efficient operation of the whole electronic circuit. The construction principles and operation modes (charging, cold start, sleep with charging, sleep, measurement and cut-off) of the storage unit are described in depth in the paper. The preproduction batch of the demonstrators has been manufactured on automated assembly line at ELMAK Ltd. Company, according to the elaborated model. It confirms that the author's demonstrator of the battery-less autonomous semi-passive transponder can be reproduced on an industrial scale. On the basis of the preproduction series, the performance parameters of the final product have been estimated. The presented study should significantly contribute to the RFID technique therefore the authors set up the evaluation process of marketing research and product commercialization. fication of moving objects, e.g. in the public transport (AVI -automatic vehicle identification) [7]. So it can be concluded that the observed applicable potential of the RFID technology justifies the need to develop new designs of electronic transponders. New more sophisticated solutions of electronic tags will be a factor of innovative progress in the discussed scope of use. Transponder in RFID systemIn terms of hardware (Fig. 1), an RFID system consists of a read/write device (RWD), which includes a transmitter (TX) and a receiver (RX), its antenna and at least one electronic transponder that is intended for marking an object. Communication in this system (read/write data) is provided with one (single system) or with multiple transponders simultaneously (anti-collision system). The marked objects during the identification process may be placed in fixed points (static system) or may dynamically change their location (dynamic system). The interrogation zone (IZ) is the main parameter of the RFID system, because it determines the efficiency of a given automated process [5]. The size of the IZ strongly depends on the above mentioned arrangements of RWD and transponders.According to the main classification of the RFID systems it is possible to distinguish applications operating in the inductive or radiative coupling regime. In the first group, the carrier frequency f 0 is between 100 kHz and 135 kHz (typically 125 kHz) for the LF band or 13.56 MHz of the HF band whereas in the

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Section: Multiband Development Board Of Battery-less Autonomous Semi-mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Development board of the autonomous semi-passive RFID transponder

Jankowski-Mihułowicz

Węglarski

Pitera

et al. 2016

Bulletin of the Polish Academy of Sciences Technical Sciences

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“…The effect of varying series and shunt stubs length on power transmission coefficient [25] is shown in Fig. 5(a) and Fig.…”

Section: Parametric Analysismentioning

confidence: 99%

Compact RFID Enabled Moisture Sensor

Khan¹,

Aslam²,

Azam³

et al. 2016

RADIOENGINEERING

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“…Many of these applied miniaturization approaches utilize bended [5], meandered antenna designs [6], or booster antennas [7]. However these procedures are only utilizable if the antenna's physical dimensions can be in the range of the operating wavelength [8]. This paper discusses another approach where the RFID antenna is placed on the chip itself, hence the name (on-chip).…”

Section: Introductionmentioning

confidence: 99%

Designing an Efficient Ultra Small Form Factor On-Chip Antenna for UHF RFID Application

Matolcsy¹,

Zolomy²

2019

RADIOENGINEERING

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The efficient design of electrically small antennas (ESA) has recently evolved to an outstandingly active area of research. This paper aims to present an improved performance electrically small on-chip antenna design, for the 920 MHz UHF-RFID frequency. Performance improvement is based on creating a slow-wave structure with threedimensional spiral meandering and dielectric loading of the complete antenna structure. A single layer spiral on-chip antenna simulation is presented first, based on a commercially available product, then an improved single layer spiral antenna and finally an alternative 3D multi-layer spiral on-chip antenna is investigated. The proposed alternative on-chip antenna structure fills a 2.5 x 2.5 x 1.3 mm 3 volume and has significantly improved radiation performance compared to the single layer solution.

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Antenna Design for Semi-Passive UHF RFID Transponder with Energy Harvester

Abstract: Abstract. A novel microstrip antenna which is dedicated to

Cited by 11 publications

References 20 publications

Development board of the autonomous semi-passive RFID transponder

Development board of the autonomous semi-passive RFID transponder

Compact RFID Enabled Moisture Sensor

Designing an Efficient Ultra Small Form Factor On-Chip Antenna for UHF RFID Application

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