Emerging techniques for printed reconfigurable antenna: A review

Kholapure, Anudeepa; Karandikar, R. G.

doi:10.1109/icrcicn.2016.7813551

Cited by 11 publications

(5 citation statements)

References 19 publications

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“…This reconfiguration is realized by using varactor diodes, P-I-N diodes or Micro-Electro-Mechanical-Systems (MEMS) switches [170]. Reconfigurable antennas are designed to change the radiation parameters of an antenna which include frequency, radiation pattern, polarization or a combination of these parameters [171]. This antenna reconfiguration is realized by changing the feed location of the antenna or switching ground or radiating path that changes the corresponding resonating length.…”

Section: ) Frequency Reconfigurationmentioning

confidence: 99%

Next Generation Cognition-Aware Hearing Aid Devices With Microwave Sensors: Opportunities and Challenges

et al. 2022

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The strong association between hearing loss and cognitive decline has developed into a major health challenge that calls for early detection, diagnosis and prevention. Hearing loss usually results in severe health implications that include loss of mobility, communication problems and cognitive decline. This study provides an overview of the effects of hearing loss on cognition and progressive neurological disorders with a discussion on the future scope of microwave portable technologies in care homes arrangement. Moreover, the efficacy of hearing aids in reversing cognitive decline and dementia has been investigated. The interconnection between hearing loss, cognitive load and neurodegeneration is also explored. Furthermore, this study looks into the prospects of using portable microwave sensors for the detection and monitoring of cognitive load. For early detection of dementia, this study proposes the integration of microwave sensors with hearing aid devices. Implications and design challenges of portable antenna systems for neurodegeneration detection have also been considered. Future improvement areas regarding robust analysis and diagnosis, system accuracy and security, user-centricity and device privacy for a broader clinical implementation are also discussed.

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Section: ) Frequency Reconfigurationmentioning

confidence: 99%

Next Generation Cognition-Aware Hearing Aid Devices With Microwave Sensors: Opportunities and Challenges

et al. 2022

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“…It is a switching-based technique where MEMS switches, p-i-n and varactor diodes [111], [112] are used to enhance operating frequency range and improve envelope correlation coefficients [113], [114]. to λ/2 (at 5.5 GHz) open end slots.…”

Section: F Reconfigurable Antennamentioning

confidence: 99%

Study on Mutual Coupling Reduction Technique for MIMO Antennas

2019

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In recent years, multiple-input-multiple-output (MIMO) antennas with the ability to radiate waves in more than one pattern and polarization play a great role in modern telecommunication systems. This paper provides a theoretical review of different mutual coupling reduction techniques in MIMO antenna systems. The increase in the mutual coupling can affect the antenna characteristics drastically and therefore degrades the performance of the MIMO systems. It is possible to improve the performance partially by calibrating the mutual coupling in the digital domain. However, the simple and effective approach is to use the techniques, such as defected ground structure, parasitic or slot element, complementary split ring resonator, and decoupling networks which can overcome the mutual coupling effects by means of physical implementation. An extensive discussion on the basis of different mutual coupling reduction techniques, their examples, and comparative study is still rare in the literature. Therefore, in this paper, different MIMO antenna design techniques and all of their mutual coupling reduction techniques through various structures and mechanisms are presented with multiple examples and characteristics comparison.

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“…Reconfigurable antennas have the capability of adapting radiation properties and frequency in a reversible and controlled manner [47,48]. The switching mechanism is usually achieved through MEMS and optical switches, and varactor and PIN diodes to ON/CLOSE various antenna parts [49,50]. Thus, printed reconfigurable antennas incorporate functional varieties.…”

Section: Reconfigurable Cp Antennasmentioning

confidence: 99%

A comprehensive survey on ‘circular polarized antennas’ for existing and emerging wireless communication technologies

Nadeem¹,

Alibakhshikenari²,

Babaeian³

et al. 2021

J. Phys. D: Appl. Phys.

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Circular polarized (CP) antennas are well suited for long-distance transmission attainment. In order to be adaptable for beyond 5G communication, a detailed and systematic investigation of their important conventional features is required for expected enhancements. The existing designs employing millimeter wave, microwave, and ultra-wideband (UWB) frequencies form the elementary platform for future studies. The 3.4-3.8 GHz frequency band has been identified

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Emerging techniques for printed reconfigurable antenna: A review

Cited by 11 publications

References 19 publications

Next Generation Cognition-Aware Hearing Aid Devices With Microwave Sensors: Opportunities and Challenges

Next Generation Cognition-Aware Hearing Aid Devices With Microwave Sensors: Opportunities and Challenges

Study on Mutual Coupling Reduction Technique for MIMO Antennas

A comprehensive survey on ‘circular polarized antennas’ for existing and emerging wireless communication technologies

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