Design of Compact Single-Layer Textile MIMO Antenna for Wearable Applications

Li, H.; Sun, Sining; Wang, B.; Wu, Feng

doi:10.1109/tap.2018.2811844

Cited by 118 publications

(79 citation statements)

References 17 publications

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“…The article has presented the port isolation of 20 dB with a very low bandwidth of 140 MHz. A single‐layer compact textile MIMO antenna has been described in Reference , for wearable applications. The reported port isolation is about 12 dB.…”

Section: Introductionmentioning

confidence: 99%

“…A number of wearable MIMO antennas with high port isolation have been reported in various literatures for the wireless applications. 5,[15][16][17][18] A wearable MIMO antenna that operates in the frequency spectrum from 2.4 GHz to 2.49 GHz for wireless local area network application is presented in Reference 5. It is reported that the design could achieve about 15 dB of port isolation.…”

Section: Introductionmentioning

confidence: 99%

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A compact wide band textile MIMO antenna with very low mutual coupling for wearable applications

Biswas

Chakraborty

2019

Int J RF Microw Comput Aided Eng

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This communication presents a compact wide band wearable MIMO antenna with very low mutual coupling (VLMC). The proposed antenna is composed of Jeans material. Two “I” shaped stubs are connected in series and are employed on the ground plane between the two patches separated by 0.048 λ to increase isolation characteristics of the antenna‐port. The antenna covers frequency spectrum from 1.83 GHz to 8 GHz (about 125.5%) where the minimum port isolation of about 22 dB at 2.4 GHz and maximum of about 53 dB at 5.92 GHz are obtained. The envelope correlation coefficient (ECC) of the MIMO antenna is obtained to be less than 0.01 with a higher diversity gain (DG > 9.6) throughout the whole operating band. The proposed MIMO antenna is cost effective and works over a wide frequency band of WLAN (2.4‐2.484 GHz/5.15‐5.35 GHz/5.72‐5.825 GHz), WiMAX (3.2‐3.85 GHz) and C‐band downlink‐uplink (3.7‐4.2 GHz/5.925‐6.425 GHz) applications. Simulation results are in well agreement with the measurement results.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A compact wide band textile MIMO antenna with very low mutual coupling for wearable applications

Biswas

Chakraborty

2019

Int J RF Microw Comput Aided Eng

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“…The port-to-port isolation of less than 15dB is achieved to avoid the mutual coupling of the MIMO antenna. 3 [17] 2018 Focus:…”

Section: Discussionmentioning

confidence: 99%

1561 Published By: Blue Eyes Intelligence Engineering & Sciences Publication Retrieval Number: C5858098319 /2020©BEIESP DOI:10.35940/ijrte.C5858.018520 Journal Website: www.ijrte.org Flexible Wearable Antennas for Body Area Network

Ubale*¹,

Lamba²

2020

IJRTE

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In recent years, wearable antenna design has grossed research interest amongst academicians and researchers due to its versatile application in body area networks for transmitting/receiving signals in sufficiently large areassuch as ICU, trauma centers in hospitals for biomedical applications at ISM (2.45 GHz) frequency range. A wearable antenna is highly flexible in nature making it popular and demanding. What makes it even more suitable for biomedical applications is its simple design methodology and ease of integrationonpatient's dress/clothes for antenna placement in wireless communication. This paper presents a thorough investigation of various antennadesign methodologies to design a flexible wearable antenna that can be mounted on textile material for body-centric wireless communication. The traditional antenna design uses non-flexible substrate materials (such as FR-4, RT duriod, foam, etc..) having medium to high dielectric constant. This results in generation of surface wave losses which reduces antenna transmission capabilities. Flexible wearable antennas, on the contrary, uses ordinary textile materials used as a substrate whose dielectric constant is very low thereby providingreduced surface wave losses. As wearable antennas are mounted on textile fabrics it is possible to use these antennas to implant them on patients' bodies(inside/outside on the clothes) for transmitting the patients' body parameters (such as body temperate, heart rate, etc..) measured using various sensors/transducers. In this paper,a thorough review of different types of substrate materialsused for designing flexible wearable antennas is done.

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“…is encapsulation could avoid damaging from washing and excessive bending. To realize the conductor parts, copper foil was used in flexible antennas frequently [19,20]. e copper foil may crack when excessive bending occurs frequently.…”

Section: Designmentioning

confidence: 99%

Circularly Polarized Wearable Antenna Based on NinjaFlex-Embedded Conductive Fabric

Jiang

Zhao

2019

International Journal of Antennas and Propagation

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A circularly polarized (CP) wearable antenna based on the FDM (fused deposition modeling) technology is proposed. Conductive fabric is used to realize conductive parts of the patch antenna on the NinjaFlex substrate. The antenna is encapsulated with additional layers of NinjaFlex. Modified patch ensures the CP character at 2.45 GHz. Bending and washing tests are conducted to check the performance stability, and good agreement between simulated and measured results is observed. The experimental results illustrate that the antenna holds 11% 10 dB S11 bandwidth and around 70 MHz 3 dB axial ratio bandwidth. In addition, surface current analysis is also given to understand the operating mechanism of CP wave.

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Design of Compact Single-Layer Textile MIMO Antenna for Wearable Applications

Cited by 118 publications

References 17 publications

A compact wide band textile MIMO antenna with very low mutual coupling for wearable applications

A compact wide band textile MIMO antenna with very low mutual coupling for wearable applications

1561 Published By: Blue Eyes Intelligence Engineering & Sciences Publication Retrieval Number: C5858098319 /2020©BEIESP DOI:10.35940/ijrte.C5858.018520 Journal Website: www.ijrte.org Flexible Wearable Antennas for Body Area Network

Circularly Polarized Wearable Antenna Based on NinjaFlex-Embedded Conductive Fabric

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