Instantaneous in‐band radio frequency interference suppression using non‐linear folders

Chen, E.; Hsueh, Jen-Chieh; Chen, V.

doi:10.1049/el.2019.0096

Cited by 3 publications

(4 citation statements)

References 5 publications

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“…A non-uniform filtering method is used in [6] to stop the higher order harmonics when making an active antenna for a wireless local area network (WLAN). When reading [7], a programmable filter with adjustable fold properties is used to make the RF front-end better at blocking jamming over a wide frequency range. In real life, the form of a filtering antenna depends on what it is used for.…”

Section: Introductionmentioning

confidence: 99%

Design of Dual Band Filtering Microstrip Antenna for Global Mobile Broadband Services and Wi-Max Applications

Pranay Kumar,

Mohan

2024

IJLEMR

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In this article, the design of dual band filtering microstrip antenna with sharp frequency response with low insertion loss is presented for Global Mobile and Wi-Max Applications. The proposed filtering antenna is designed on FR4 substrate with dielectric constant 4.3 and loss tangent 0.025 having the dimension of 23×31×1.6mm 3 . The Defected Ground structure is implanted for ground plane with dimension of 23×7.5×0.035mm 3 . The rectangular patch is used as radiating element with dimension of 7×6×0.035mm 3 . A rectangular slot is connected at the bottom side of the patch to improve the operating characteristics. Further, to achieve the frequency selective characteristics a microwave filter with square ring shaped with inner square slot is connected to the rectangular patch. The proposed filtering antenna is operating at dual band frequencies i.e., at 2.64GHz and 3.09GHz with sharp pass and stop band characteristics. The achieved operating frequencies are very much useful for global mobile broadband services and Wi-Max applications. The proposed antenna is simulated using CSTMWS Tool.

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Section: Introductionmentioning

confidence: 99%

Design of Dual Band Filtering Microstrip Antenna for Global Mobile Broadband Services and Wi-Max Applications

Pranay Kumar,

Mohan

2024

IJLEMR

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“…For miniaturized devices, most suitable antenna is planar microstrip antenna which in its simplest form is a metallic radiating patch, etched on a dielectric substrate backed by a ground plane and using a microstrip antenna, multiple frequency, polarization diversity and reconfigurability can be achieved very easily. There are several approaches of in-band filtering for RF front end [6][7][8][9][10] having their advantages and disadvantages. In [6], the non-uniform filter synthesis and amplifier-based active antenna is used for the application to wireless local area network (WLAN).…”

Section: Introduction and Related Workmentioning

confidence: 99%

“…Slotted-patch microstrip resonator and quasi-fractal patch are used in [9] for the design of microstrip filter. In [10], a programmable filter with an adaptive folder is used to improve the jamming suppression quality over a wide frequency band of RF front-end. For practical applications, filtering antenna design is application specific [11][12][13][14][15].…”

Section: Introduction and Related Workmentioning

confidence: 99%

Design of a Compact Microstrip Filtenna for Miniaturized Devices to Access Internet of Things Using Long Term Evolution

Boddu,

Deb,

Roy

2023

AEM

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A filtenna or filtering antenna has both radiation and filtering functions and is an important module for the RF front-end of wireless devices. The main function of a filtering antenna is to filter out the out-of-band interferences from the adjacent bands. In this paper, the design of a compact coplanar microstrip filtering antenna at 2.6GHz band is presented. The antenna is designed for the miniaturized devices for the city connectivity to access the internet of things (IoT) services over 2.6GHz long term evolution (LTE) gateways. Filtering antenna is designed using hairpin bandpass filter integrated with semi-circular microstrip antenna. Filtering antenna is designed by computer simulation technology (CST) software and measurements are performed by vector network analyzer. Good impedance matching at 2.6GHz band is obtained for the filtering antenna by choosing appropriate dimensions of the hairpin bandpass filter. The simulated 10dB return loss bandwidth of filtering antenna is 4.65% with maximum gain of 1.9dB. Measured and simulated results agree well for the semi-circular filtenna.

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“…To suppress the higher order harmonics, a non-uniform filtering method is used in [6] for designing an active antenna for a wireless local area network (WLAN). In [7], a programmable filter with adaptive fold characteristics is used to improve the jamming suppression quality over a wide frequency band of the RF front-end.…”

Section: Introduction and Related Workmentioning

confidence: 99%

Design of a Microstrip Filtering Antenna for 4G and 5G Wireless Networks

Boddu¹,

Deb²,

Roy

2023

JTIT

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The ﬁltering antenna provides both radiation and ﬁltering features and is an important component for the RF front-end of wireless devices. The main function of a ﬁltering antenna is to reject out-of-band signals, thus reducing the interference from adjacent channels. The aim of the present work is to design a 2.6 GHz microstrip ﬁltering antenna for 4G and 5G global mobile services. The ﬁltering antenna is designed using a hairpin bandpass ﬁlter integrated with an elliptical microstrip aerial. Good impedance matching is obtained by using appropriate dimensions of the hairpin bandpass ﬁlter. The 10 dB return loss bandwidth of the ﬁltering antenna is approx. 5.7%, with the maximum gain for the elliptical ﬁltering antenna of approx. 2.2 dB. Good agreements between the measured and simulated results are obtained for the proposed ﬁltering antenna and the bandwidth covers almost the entire 2.6 GHz band.

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Instantaneous in‐band radio frequency interference suppression using non‐linear folders

Cited by 3 publications

References 5 publications

Design of Dual Band Filtering Microstrip Antenna for Global Mobile Broadband Services and Wi-Max Applications

Design of Dual Band Filtering Microstrip Antenna for Global Mobile Broadband Services and Wi-Max Applications

Design of a Compact Microstrip Filtenna for Miniaturized Devices to Access Internet of Things Using Long Term Evolution

Design of a Microstrip Filtering Antenna for 4G and 5G Wireless Networks

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