Compact Low-Profile Dual-Band Tag Antenna for Indoor Positioning Systems

An, Wenxing; Shen, Zhongxiang; Wang, Jun

doi:10.1109/lawp.2016.2581182

Cited by 32 publications

(13 citation statements)

References 9 publications

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“…IPS dikembangkan untuk mengatasi permasalahan tersebut. Jika GPS memanfaatkan satelit, maka IPS diimplementasikan menggunakan perangkat tambahan yang dipasang khusus, misalnya bluetooth [1], Radio-frequency Identification (RFID) [2], [3], Light Emitting Diode (LED) [4], pendekatan berbasis video [5], pemanfaatan sinyal Wi-Fi [6], [7], RFID [8] dan gelombang ultrasonik [9].…”

Section: Indoorunclassified

“…Langkah berikutnya adalah menghubungkan lapisan masukan dengan lapisan tersembunyi dan terakhir menghubungkan lapisan tersembunyi ke lapisan keluaran. Nilai yang keluar dari lapisan tersembunyi didapatkan dari Persamaan (2).…”

Section: Tabel 1 Format Dataset Rrs Wi-fiunclassified

“…Penggunaan fungsi ReLU untuk menghindari nilai negatif. Untuk lapisan tersembunyi yang kedua (H2) juga didapatkan dengan menggunakan Persamaan (2).…”

Section: Tabel 1 Format Dataset Rrs Wi-fiunclassified

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Multi Layer Perceptron Model for Indoor Positioning System Based on Wi-Fi

Lukito

2017

Jurnal Teknologi dan Sistem Komputer

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Indoor positioning system issue is an open problem that still needs some improvements. This research explores the utilization of multi layer perceptron in determining someone’s position inside a building or a room, which generally known as Indoor Positioning System. The research was conducted in some steps: dataset normalization, multi layer perceptron implementation, training process of multi layer perceptron, evaluation and analysis. The training process has been conducted many times to find the best parameters that produces the best accuracy rate. The experiment produces 79,16% as the highest accuracy rate. Compared to previous research, this result is comparably lower and needs some parameters tweaking or changing the neural networks architectures.Masalah penentuan posisi di dalam ruangan masih memerlukan banyak perbaikan. Penelitian ini mencoba melakukan eksplorasi terhadap penggunaan multi layer perceptron untuk penentuan posisi seseorang di dalam gedung atau ruangan, yang lebih dikenal dengan istilah Indoor Positioning System. Penelitian ini dilaksanakan dalam beberapa tahap yaitu normalisasi dataset, implementasi multi layer perceptron, pelatihan multi layer perceptron dan proses pengujian serta analisis. Proses pelatihan dilakukan beberapa kali untuk menemukan parameter-parameter yang menghasilkan akurasi terbaik. Dari hasil percobaan yang dilakukan didapatkan tingkat akurasi terbaik sebesar 79,16%. Hasil tersebut masih lebih rendah jika dibandingkan dengan hasil penelitian sebelumnya, sehingga memerlukan perubahan pengaturan parameter atau pengubahan arsitektur jaringan syaraf tiruan yang digunakan.

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Section: Indoorunclassified

Section: Tabel 1 Format Dataset Rrs Wi-fiunclassified

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Multi Layer Perceptron Model for Indoor Positioning System Based on Wi-Fi

Lukito

2017

Jurnal Teknologi dan Sistem Komputer

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“…As a good candidate, the dipole has been studied for years due to its favorable features of symmetrical radiation patterns and wideband performance [3,4,5,6,7]. In order to cover the frequency band from 3 GHz to 5 GHz, the antenna should achieve a relative bandwidth of ~50%.…”

Section: Introductionmentioning

confidence: 99%

“…In order to cover the frequency band from 3 GHz to 5 GHz, the antenna should achieve a relative bandwidth of ~50%. Although there are some wideband designs in literatures [5,6,7], they have a relatively large profile of more than 0.1λ 0 . For cost reduction and environmental friendliness, a low-profile antenna is much preferred for 5G.…”

Section: Introductionmentioning

confidence: 99%

Low-profile and wideband dipole antenna with unidirectional radiation pattern for 5G

Hong

et al. 2018

IEICE Electron. Express

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Abstract:A low-profile wideband unidirectional dipole antenna is presented for the 5G operation. Parasitic strips are utilized for broadband impedance matching at a relatively small height of 4.9 mm (0.067λ 0 , where λ 0 is the free-space wavelength at the center frequency). The measured results show that an impedance bandwidth of 55.4% is realized, ranged from 2.96 GHz to 5.23 GHz. The proposed antenna is with the merits of stable and symmetric unidirectional radiation patterns, low back-lobes and an average antenna gain of 7 dBi over the operating band, making it very promising for 5G system.

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Enhanced radiation gain and efficiency of a metamaterial‐inspired wideband microstrip antenna using substrate integrated waveguide technology for sub‐6 GHz wireless communication systems

Althuwayb

2021

Micro & Optical Tech Letters

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This paper shows a technique to enhance the radiation gain and efficiency of metamaterial (MTM) inspired planar antenna using substrate integrated waveguide (SIW) technology for sub-6 GHz wireless communication systems. The antenna consists of MTM unit-cells comprising series interdigital-capacitor and short-circuited spiral stub. The proposed antenna behaves like a leaky wave antenna. In the transmission mode the input signal propagating along the antenna structure and leaks energy. The performance of the antenna is shown to enhance by embedding a column of metallic vias between the MTM unit-cells. This technique has no impact on the size of the antenna. The antenna was constructed on a standard FR4 dielectric substate. It had dimensions of 23.2×6.4×0.8 mm 3 and had a wide operational frequency range 1.8 GHz from 3.0-4.8 GHz. After applying SIW the average gain and efficiency of the antenna were 5.8 dBi and 78%, respectively, which is an improvement of 2 dBi and 21% across 3-4.8 GHz.

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Compact Low-Profile Dual-Band Tag Antenna for Indoor Positioning Systems

Cited by 32 publications

References 9 publications

Multi Layer Perceptron Model for Indoor Positioning System Based on Wi-Fi

Multi Layer Perceptron Model for Indoor Positioning System Based on Wi-Fi

Low-profile and wideband dipole antenna with unidirectional radiation pattern for 5G

Enhanced radiation gain and efficiency of a metamaterial‐inspired wideband microstrip antenna using substrate integrated waveguide technology for sub‐6 GHz wireless communication systems

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