A Gain Enhanced Dual-band Low SAR AMC-based MIMO Antenna for WBAN and WLAN Applications

Du, Chengzhu; Pei, Ling-Ru; Zhang, Jie; Shi, Cheng-Xin

doi:10.2528/pierm22100201

Cited by 6 publications

(15 citation statements)

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“…The reported antenna has the smallest footprint compared to Musa and colleagues 5,7,9,10,13,14 leading to a miniaturized solution. The percentage miniaturization realized by the proposed antenna compared to Musa and colleagues 5,7,9,10,13,14 are 20%, 46%, 87%, 19%, 48%, and 55%, respectively. 3.…”

Section: Diversity Analysismentioning

confidence: 94%

“…The designed antenna has the smallest profile height unlike the research reported in Musa and colleagues. [5][6][7][8][9][11][12][13][14][15] Extreme thinness can provide maximum conformability. Hence the reported antenna has good profile height reduction.…”

Section: Diversity Analysismentioning

confidence: 99%

“…Further, the antennas reported in Musa and colleagues 5,7,8 are not attempted for MIMO implementation in the WBAN scenario. Further, unlike Althuwayb and colleagues, [9][10][11][13][14][15] more elements are packed to enhance the channel capacity in the WBAN.…”

Section: Diversity Analysismentioning

confidence: 99%

“…13 The literature also recorded some other important developments in the design of wearable MIMO antennas. 14,15 On the other hand, 5G technology demands an antenna with supreme characteristics to switch the antenna beam based on the channel properties. Hence beam switchable antennas are of importance.…”

Section: Introductionmentioning

confidence: 99%

“…The specific absorption rate (SAR) has been enhanced in a dual‐band MIMO antenna using electromagnetic bandgap structures 13 . The literature also recorded some other important developments in the design of wearable MIMO antennas 14,15 . On the other hand, 5G technology demands an antenna with supreme characteristics to switch the antenna beam based on the channel properties.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Conformal eight‐port dual band antenna with switchable radiation pattern for 5G enabled on‐body wireless communications

Satpathy,

G. P.

2023

Micro & Optical Tech Letters

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A novel conformal quasi‐yagi antenna and its Multiple Input Multiple Output (MIMO) implementations for wireless body area networks (WBAN) application is reported in this letter. The antenna is developed on a 0.05 mm thin polyimide substrate making the antenna more flexible and conformal. The footprint of the proposed antenna is 35 × 35 mm with a dual dipole arm‐like structure making it resonant at 2.45 and 3.5 GHz covering the industrial scientific and medical and 5G bands for WBAN communications. The antenna is excited using a microstrip‐to‐slotline termination suitably terminated by a circular patch to realize the impedance matching. The ground plane is shaped to maintain good isolation between neighboring antennas during the eight‐element MIMO antenna development. The MIMO antennas are arranged circularly to achieve good antenna coverage along the azimuth directions. The antenna generates a tangential radiation pattern to the plane of the human body making it suitable for on‐body wireless communications. The proposed antenna offers a rotatable radiation pattern by appropriately choosing the antenna port of excitation. The proposed MIMO antenna offers an average gain of 4.5 and 5.2 dBi at 2.45 and 3.5 GHz, respectively. The MIMO antenna parameters are evaluated and presented. The calculated MIMO parameters are within the acceptable limits. Thus, the flexible nature with rotatable directional radiation patterns has made this antenna an attractive choice for on‐body communications in WBAN.

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Section: Diversity Analysismentioning

confidence: 94%

Section: Diversity Analysismentioning

confidence: 99%

Section: Diversity Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Conformal eight‐port dual band antenna with switchable radiation pattern for 5G enabled on‐body wireless communications

Satpathy,

G. P.

2023

Micro & Optical Tech Letters

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Metasurface loaded dual band antenna for high gain on- and off- body communication

Ali,

Islam,

Awan

et al. 2024

Phys. Scr.

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Metasurfaces are specially made materials designed to have unique properties not found in nature. They are categorized into different types, such as Artificial Magnetic Conductor (AMC), Partial Reflecting Surfaces (PRS), and Frequency Selective Surfaces (FSS). Among these, FSS is commonly used in today's technology to improve antenna performance, especially in boosting signal strength by blocking unwanted radiation. Recent research is focused on creating FSS-based antennas for Ultra-Wideband (UWB) or single-band applications, with a significant emphasis on enhancing signal strength. Unlike traditional methods, this study concentrates on designing antennas that are both simple in shape and broad in their frequency coverage, specifically for 2.45 GHz and 5.8 GHz applications. To enhance antenna performance, a dual-band FSS is employed, optimizing the system for improved operation at both resonating frequencies. This results in a high-gain antenna system, which is further investigated for Body Area Network (BAN) systems, considering the crucial performance metric of Specific Absorption Rate (SAR). The findings are compared with recently reported FSS-based antennas to underscore their scientific contribution and potential for high-gain, low-SAR applications within the 2.45 GHz and 5.8 GHz frequency bands.

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Enhancing Wearable and Medical Connectivity: A Novel Printed Triple-Band Metamaterial Antenna for Wban/Mban Applications

Messatfa,

Berhab,

Chebbara

2024

Telecom Rad Eng

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This paper presents a novel, compact, monopole apple-shaped, and triple-band metamaterial printed antenna for wireless body area network (WBAN) and medical body area network (MBAN) applications. The antenna is backed by a tri-band uniplanar compact electromagnetic bandgap (UC-EBG) structure that acts as a ground plane and incorporates metamaterial triangular complementary splitring resonators (TCSRRs). The proposed printed textile antenna operates at 2.45 GHz for wireless local area network (WLAN), 3.5 GHz for 5G new radio (NR), and 5.8 GHz for industrial, scientific, and medical bands. Implementing the UC-EBG structure resulted in a 99% decrease in the specific absorption rate (SAR) values over 1 g and 10 g of tissues and achieved gains of 5.45, 6.09, and 7.63 dBi at 2.45, 3.5, and 5.8 GHz, respectively. Due to its high performance, low SAR values, and compact size of 39 × 39 × 2.84 mm3 (0.41 λg × 0.41 λg × 0.029 λg ), the proposed antenna is an attractive candidate for wearable healthcare, fitness monitoring devices, and other WBAN/MBAN applications.

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A Gain Enhanced Dual-band Low SAR AMC-based MIMO Antenna for WBAN and WLAN Applications

Cited by 6 publications

References 0 publications

Conformal eight‐port dual band antenna with switchable radiation pattern for 5G enabled on‐body wireless communications

Conformal eight‐port dual band antenna with switchable radiation pattern for 5G enabled on‐body wireless communications

Metasurface loaded dual band antenna for high gain on- and off- body communication

Enhancing Wearable and Medical Connectivity: A Novel Printed Triple-Band Metamaterial Antenna for Wban/Mban Applications

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