Modeling and Analysis of Wearable Antennas

Saraereh, Omar A.; Khan, Imran; Lee, Byung Moo; Al-Bayati, A.K.S.

doi:10.3390/electronics8010007

Cited by 10 publications

(5 citation statements)

References 28 publications

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“…Its suitability for wearable devices is particularly relevant in the current era of IoT applications, where flexibility is in high demand. Additionally, recent work on flexible RFID tags has recommended Roger RT 5880 for its ease of fabrication and relatively stable bending properties [41]. The thickness of the radiating patch is selected to be 0.02 mm.…”

Section: Methodsmentioning

confidence: 99%

Design and Analysis of a Quad-Band Antenna for IoT and Wearable RFID Applications

Ali,

Nizam-Uddin,

Abdulkawi

et al. 2024

Electronics

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The role of antennas in wireless communication is critical for enabling efficient signal transmission and reception across various frequency bands, including those associated with IoT (Internet of Things), X-band, S-band, and RFID (radio-frequency identification) systems. This paper presents a small quadruple-band antenna with 25 × 40 × 1.5 mm3 dimensions designed for diverse wireless applications. It is adept at operating in the S-band (2.2 GHz), wireless local area network (WLAN) (5.7 GHz), microwave RFID frequency band (5.8 GHz), and X-band (7.7 GHz and 8.3 GHz). While the majority of existing research focuses on antennas covering two or three bands, our work stands out by achieving quad-band operation in the proposed antenna design. This antenna is constructed on a semiflexible Rogers RT5880 substrate, making it well-suited for wearable applications. Computer Simulation Technology (CST) Microwave studio (2019) simulation package software is chosen for design and analysis. The antenna design features a comb-shaped radiating structure, where each “tooth” is responsible for resonating at a distinct frequency with an appropriate bandwidth. The antenna retains stability in both free space and on-body wearability scenarios. It achieves a low specific absorption rate (SAR), meeting wearable criteria with SAR values below 1.6 W/Kg for all resonating frequencies. The proposed antenna demonstrates suitable radiation efficiency, reaching a maximum of 82.6% and a peak gain of 6.3 dBi. It exhibits a bidirectional pattern in the elevation plane and omnidirectional behavior in the azimuth plane. The antenna finds applications across multiple frequencies and shows close agreement between simulated and measured results, validating its effectiveness.

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Section: Methodsmentioning

confidence: 99%

Design and Analysis of a Quad-Band Antenna for IoT and Wearable RFID Applications

Ali,

Nizam-Uddin,

Abdulkawi

et al. 2024

Electronics

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“…Whatever the application, dipoles and monopoles are considered the most common antenna types used to excite a waveguide surface (as in [5]- [9]). For example, a coplanar waveguide monopole antenna was designed in [7] to enhance the transmission rate over an artificial magnetic conductor (AMC) waveguide jacket. A textile diamond dipole antenna was conceived to improve the transmission between antennas over a waveguide sur-face [8].…”

Section: Introductionmentioning

confidence: 99%

Design of a Dual-Branch Resonator End-Launcher for Low-Loss WBAN Communications Using Wearable Waveguide Surfaces

Bacha,

Ferrero,

Lizzi

2024

IEEE Open J. Antennas Propag.

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Wearable waveguide surfaces can be integrated into textiles to improve Wireless Body Area Networks (WBANs). In this work, a compact 30 mm x 30 mm dual-branch resonator end-launcher to enable communication through a waveguide surface manufactured with textile-compatible material at 2.4GHz is proposed. A 25 mm x 25 mm clearance zone area is respected for electronic component integration. The end-launcher topology uses a balanced dual-branch configuration to maximize electromagnetic coupling with the flexible waveguide surface. A design methodology is proposed to co-design the end-launcher and the waveguide surface. Experimental measurements on the human body torso are presented with 0.3 dB/cm insertion loss between 2.4 and 2.48 GHz. The final result is an autonomous, compact, wireless-contact, and battery-powered end-launcher for innovative clothing applications.

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“…At the same time, mmWave wireless communication technology has the advantages of extremely wide bandwidth and easy miniaturization. In addition, the 60 GHz mmWave also has the advantage of not requiring authorization [9][10][11][12][13][14]. Therefore, the millimeter-wave wireless communication technology is expected to become one of the key technologies of 5G communication, especially suitable for high-speed, large-capacity communication [15,16].…”

Section: Introductionmentioning

confidence: 99%

Beamforming Performance Analysis of Millimeter-Wave 5G Wireless Networks

Saraereh¹,

Ali²

2022

Computers, Materials &Amp; Continua

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With the rapid growth in the number of mobile devices and user connectivity, the demand for higher system capacity and improved qualityof-service is required. As the demand for high-speed wireless communication grows, numerous modulation techniques in the frequency, temporal, and spatial domains, such as orthogonal frequency division multiplexing (OFDM), time division multiple access (TDMA), space division multiple access (SDMA), and multiple-input multiple-output (MIMO), are being developed. Along with those approaches, electromagnetic waves' orbital angular momentum (OAM) is attracting attention because it has the potential to boost the wireless communication capacity. Antenna electromagnetic radiation can be described by a sum of Eigen functions with unique eigenvalues, as is well known. In order to address such issues, the millimeter-wave (mmWave) communication is proposed which is considered as one of the potential technology for 5G wireless networks. The intrinsic feature of all electromagnetic waves is OAM. The OAM beams' unique qualities have led to a slew of new uses. Broadband OAM generators, on the other hand, have gotten very little attention, especially in the mmWave frequency band. The use of OAM in conjunction with mmWave can reduce the beam power loss, enhance the received signal quality, and hence increase the system capacity. The transmitter and receiver antennas must be coaxial and parallel to achieve precise mode detection. The proposed mmWave integrated with OAM system model is discussed in this study. The channel model is created using the channel transition characteristics. The simulation results demonstrate that the proposed system model is a good way to boost the system capacity.

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Modeling and Analysis of Wearable Antennas

Cited by 10 publications

References 28 publications

Design and Analysis of a Quad-Band Antenna for IoT and Wearable RFID Applications

Design and Analysis of a Quad-Band Antenna for IoT and Wearable RFID Applications

Design of a Dual-Branch Resonator End-Launcher for Low-Loss WBAN Communications Using Wearable Waveguide Surfaces

Beamforming Performance Analysis of Millimeter-Wave 5G Wireless Networks

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