What is it about?
An omnidirectional wide-band cylindrical microstrip array antenna (CMAA) in the frequency range 2.05–2.55 GHz with horizontal polarization is proposed. The antenna consists of two radiating elements fed by probes and symmetrically located on the opposite sides of a textile substrate mounted on a ground cylinder. The radiating element consists of two strongly coupled E-shaped patches connected by a microstrip line. A prototype has been fabricated and measured. The deviation of the radiation pattern from omnidirectionality in the horizontal plane does not exceed 4 dB. The reached 210 dB bandwidth is 22% and the directivity is 2.14 dBi at 2.3 GHz. The agreement between simulations and measurements is good.
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Why is it important?
At present, there is a need for low-profile wide-band antennas that have an omnidirectional radiation pattern (ORP) in the frequency range f52–4 GHz (S-band). Such antennas can be used for a number of applications such as WBAN, LAN, WIMAX, and so on.
Perspectives
Since textile has been used, the proposed antenna can be easily used in on-body applications.
Alexander Ye. Svezhentsev
Read the Original
This page is a summary of: Omnidirectional wide-band E-shaped cylindrical patch antenna with horizontal polarization, Microwave and Optical Technology Letters, February 2016, Wiley,
DOI: 10.1002/mop.29688.
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