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	Study on received signal strength of femtocell with circular and rectangular microstrip patch antenna designed at 2.55 GHz</div>

Hurissa Dejene

2022 , VOLUME 22, NUMBER 2 ( March-April )

ISSN 2226-1494 (print), ISSN 2500-0373 (online)

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Vladimir O.
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doi: 10.17586/2226-1494-2022-22-2-348-354

Study on received signal strength of femtocell with circular and rectangular microstrip patch antenna designed at 2.55 GHz

H. Dejene

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Dejene H. Study on received signal strength of femtocell with circular and rectangular microstrip patch antenna designed at 2.55 GHz. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2022, vol. 22, no. 2, pp. 348–354. doi: 10.17586/2226-1494-2022-22-2-348-354

Abstract

In large cities, the coverage and quality of telecommunication services inside buildings is low and needs more effort for its improvement. Signal attenuators like number of walls, number of floors and others affect the quality of received signal. Therefore, femtocells are used for improving the poor performance of network inside buildings and other dead zone areas. The aim of this work is to compare the received signal strength of femtocell with rectangular and circular microstrip patch antenna designed at 2.55 GHz. This work considers the received signal strength of femtocell with the designed rectangular and circular microstrip patch antennas. The performance analysis uses Multi Wall Multi Floor indoor propagation model. The result showed that the total gain of rectangular and circular microstrip patch antenna are 3.6528 dB and 2.924 dB, respectively. The received signal strength of femtocell with rectangular microstrip patch antenna is larger than that of circular microstrip patch antenna designed at the same frequency. The effect of number of walls and floors on the received signal strength of femtocell is also clearly indicated. Generally, it is found that much higher received signal strength is observed in rectangular microstrip patch antenna than in circular one. The outcome of this work shows that femtocells are capable of enhancing signal quality for indoor users.

Keywords: femtocell, gain, microstrip patch antenna, received signal strength

Acknowledgements. I would like to thank technical professionals of Ethio-telecom for their motivation and supports. I also express my greatest gratitude to my professional friends who are academic staffs in higher institutions.

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