Dual frequency Microstrip Antenna design for 700 MHz UHF Band and Wlan Application

González, Ricardo Meneses; Linares, Roberto; Peralta, Laura Montes

doi:10.1109/ropec.2016.7830517

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2018

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“…But both [4] and [5] has large antenna size and end fire radiation pattern. In [6], a monopole antenna with one end grounded is proposed with total length of 0.25λ 0 and omni-directional gain upon 0 dBi, but its working band is still not wide enough.…”

Section: Introductionmentioning

confidence: 99%

A Wide Band Compact Size UHF Band Monopole Clustered with L and S Band Dipoles for Self-networking Communication in Handset Devices

Zhang¹,

Zhang²,

Pedersen³

2018

12th European Conference on Antennas and Propagation (EuCAP 2018)

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A wide band monopole antenna that works at Ultrahigh frequency (UHF) clustered with two wide band dipole antennas that work at L and S band are proposed in this paper. The three antennas are in the cover of a handset device which connects to the ground plane on its main body with a wire. The UHF monopole antenna covers the frequency band from 350 MHz to 780 MHz with VSWR lower than 3 in a total length of 0.16λ 0 with omnidirectional gain upon 0 dBi which is used for self-networking communication. The L band dipole antenna shares part of the ground plane with the UHF monopole antenna, which works from 1.23 GHz to 1.62 GHz, with the end fire gain upon 6 dBi. The S band dipole antenna covers from 1.7 GHz to 2.34 GHz with gain upon 6 dBi. The three antennas have good isolation higher than 15 dB. The simulation indicates that the proposed clustered antennas have small volume, stable radiation pattern and wide band.

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Section: Introductionmentioning

confidence: 99%