Miniature microstrip antenna for IoT application

Elijah, Adewale Ayomikun; Mokayef, Mastaneh

doi:10.1016/j.matpr.2020.05.678

Cited by 27 publications

(8 citation statements)

References 10 publications

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“…In this regard, the development of multifunctional devices will immensely help, as even with lower numbers they could provide the same level of functionality or richer data. In this regard, the devices such as antennas, which are typically used for wireless communication and power [4,5], could offer an attractive route forward. Utilizing antennas as sensors is an interesting approach [6], as the concept can minimize the number of passive components and could lead to low power solutions suitable for IoT applications in fields like healthcare, logistics, etc.…”

Section: Introductionmentioning

confidence: 99%

Printed Chipless Antenna as Flexible Temperature Sensor

Bhattacharjee

Nikbakhtnasrabadi

Dahiya

2021

IEEE Internet Things J.

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The ever-increasing number of devices on wearable and portable systems comes with challenges such as integration complexity, higher power requirements, and less user comfort. In this regard, the development of multifunctional devices could help immensely as they will provide the same functionalities with lesser number of devices. Herein, we present a dual-function flexible loop antenna printed on Polyvinyl Chloride (PVC) substrate. With a PEDOT:PSS section as part of the printed structure, the presented antenna can also serve as a temperature sensor by means of change in resistance. The antenna resonates at 1.2 GHz and 5.8 GHz frequencies. The ohmic resistance of the temperature sensing part decreases by ~70% when the temperature increases from 25⁰C to 90⁰C. The developed antenna was characterised using VNA in the same temperature range and the S11 magnitude was found to change by ~3.5 dB. The induced current was also measured in the GSM frequency range and sensitivity of ~1.2%/⁰C was observed for the sensing antenna. The flexible antenna was also evaluated in lateral and cross bending conditions and the response was found to be stable for the cross bending. Due to these unique features, the presented antenna sensor could play a vital role in the drive toward ubiquitous sensing through wearables, smart labels, and the internet of things (IoT).

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Section: Introductionmentioning

confidence: 99%

Printed Chipless Antenna as Flexible Temperature Sensor

Bhattacharjee

Nikbakhtnasrabadi

Dahiya

2021

IEEE Internet Things J.

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“…The structure of the ground plane was kept similar as the previous design. This design produced a resonant frequency at 2.4 GHz which is the targeted operating frequency for Wi-Fi applications [19][20][21][22]. However, multi-band operation was not achieved from this design.…”

Section: Preliminary Designsmentioning

confidence: 99%

“…20, was seen. Hence, Antenna 5 is suitable for use in IoT applications since they require omnidirectional antennae and wider bandwidth for wireless connectivity [19][20][21][22]. The pattern considered was a far-field type and each pattern of all designs had different efficiencies and realized gains.…”

Section: Radiation Patternmentioning

confidence: 99%

Design of Miniaturized Antenna for IoT Applications Using Metamaterial

Jusoh¹,

Husain²,

Malek³

et al. 2023

IIUMEJ

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With the accelerated development of wireless technology, miniaturized antennae have become outstandingly favored due to the growing demand of Internet of Things (IoT) devices that are essential to accommodate low power, high data rates, and long-range communication. When an antenna operates at lower frequencies, the size of the antenna becomes bulky, which has raised an issue in the integration of the antennae within IoT devices due to their size constraints. Hence, in this paper, a miniaturized ring-monopole antenna incorporated with Rectangular Complementary Split Ring Resonator (RCSRR) and slotted ground plane, was designed at 2.4 GHz and 5.8 GHz frequency bands. The antenna was miniaturized by 46.8 % with overall size of 30 mm x 24.8 mm x 1.6 mm, and it was printed on FR-4 substrate with dielectric constant of 4.3. Design optimization was carried out by modifying the antenna structure, optimizing the dimensions, and using a low loss Rogers RT5880 substrate with a dielectric constant of 2.2, and thickness of 1.575 mm. The width of the antenna was also reduced to 20 mm which furthered the size reduction to 57.8 %. From the simulation results, the antenna was operated at 2.448 GHz, 2.864 GHz, and 5.8 GHz frequency bands with good return loss at -13.872 dB, -33.491 dB, and -19.3 dB respectively. The antenna fabrication and measurement were also implemented to the best simulated design using different substrates to validate its performance by comparing the simulated results with the measured results. ABSTRAK: Dengan perkembangan pesat teknologi tanpa wayar, antena miniatur telah menjadi sangat digemari kerana permintaan yang semakin meningkat bagi peranti Internet Benda (IoT), iaitu mempunyai kuasa rendah, kadar data yang tinggi dan berkomunikasi jarak jauh. Apabila antena beroperasi pada frekuensi rendah, saiz antena menjadi besar, ini menimbulkan isu kekangan saiz pada antena ketika berada dalam peranti IoT. Oleh itu, kajian ini adalah berkenaan antena ekakutub-gelang kecil yang digabungkan dengan Resonator Gelang Pemisah Pelengkap Segiempat Tepat (RCSRR) dan satah tanah berslot, telah direka bentuk pada jalur frekuensi 2.4 GHz dan 5.8 GHz. Antena telah dikecilkan sebanyak 46.8 % dengan saiz keseluruhan 30 mm x 24.8 mm x 1.6 mm, dan ia dicetak pada substrat FR-4 dengan pemalar dielektrik 4.3. Reka bentuk optimum telah dilakukan dengan mengubah suai struktur antena, berdimensi optimum, menggunakan substrat Rogers RT5880 rendah kuasa dengan pemalar dielektrik 2.2, dan berketebalan 1.575 mm. Lebar antena juga dikurangkan sebanyak 20 mm, ini bermakna pengurangan saiz berjaya ditingkatkan kepada 57.8%. Dapatan simulasi menunjukkan antena telah beroperasi pada jalur frekuensi 2.448 GHz, 2.864 GHz dan 5.8 GHz dengan pengurangan kehilangan pulangan kuasa yang baik iaitu pada -13.872 dB, -33.491 dB dan -19.3 dB masing-masing. Fabrikasi dan pengukuran antena juga telah dilaksanakan pada reka bentuk simulasi terbaik menggunakan substrat yang berbeza bagi mengesahkan kemampuannya dengan membandingkan dapatan simulasi dengan hasil yang diukur.

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“…This exponentially growing Microstrip patch antenna has attracted the attention of most researchers, mainly because it is comparatively inexpensive to produce and informal to design due to its simplicity of two-dimensional structure [2]. The dual-band and multi-band antennas are picking up consideration in later, a long time for multimode communication frameworks [3], [4] These are considered as the basic antennas for successfully supporting the likelihood of a present-day individual communication framework by the integration of more than one communication standard in a single compact framework [3]- [5]. The internet of things devices and their applications are advancing due to the easy integration of microstrip antennas into these devices [6].…”

Section: Introductionmentioning

confidence: 99%

Design, fabrication and performance analysis of floodlight shaped microstrip antenna for Wi-Fi/IoT applications

Colaco¹,

Cotta²

2022

IJEECS

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This paper proposes a design and fabrication of a floodlight-shaped microstrip patch antenna using flame-retardant (FR)-4 substrate within the frequency band of 1-6 GHz. The proposed antenna resonating at a multi-frequency band (2.01-2.2 GHz, 3.7-3.8 GHz, 4.82-4.96 GHz, and 5.61-6 GHz) is suitable for Wi-Fi and IoT applications. The proposed antenna has a size of 50×60×1.6 mm 3. The design was implemented using CADFEKO software, and the same was fabricated and measured using a vector network analyzer. Further, the performance analysis of the structure is carried out using the CADFEKO software, firstly by shifting the location of the microstrip feed line along the width of the patch and secondly by amending the structure. The verdicts show that the proposed antenna provides high impedance matching at multi-frequency bands and shows a very good agreement between simulated and fabricated results. The changed feed-line location and modified structure provide improved performance, which can be utilized for various other wireless communication channels.

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Miniature microstrip antenna for IoT application

Cited by 27 publications

References 10 publications

Printed Chipless Antenna as Flexible Temperature Sensor

Printed Chipless Antenna as Flexible Temperature Sensor

Design of Miniaturized Antenna for IoT Applications Using Metamaterial

Design, fabrication and performance analysis of floodlight shaped microstrip antenna for Wi-Fi/IoT applications

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