Design of a 2.4 GHZ Industrial, Scientific, and Medical Band Microstrip Patch Antenna

Olawoye, T. O.; Bamisaye, Ayodeji James

doi:10.1615/telecomradeng.v79.i11.40

Telecom Rad Eng

2020

DOI: 10.1615/telecomradeng.v79.i11.40

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Design of a 2.4 GHZ Industrial, Scientific, and Medical Band Microstrip Patch Antenna

T. O. Olawoye¹,

Ayodeji James Bamisaye

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Cited by 2 publications

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Symbol Error Probability Performance for Generalized Selection Combining Diversity Reception of M-Qam Over Rayleigh Fading Channel

Bamisaye

2023

Telecom Rad Eng

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The performance of generalized selection combining (GSC) diversity reception symbol error probability (SEP) of square M-ary quadrature amplitude modulation (M-QAM) signals over frequency-flat Rayleigh fading channels is investigated in this work. The combining techniques considered in this paper are maximum ratio combining and selection combining (SC). We present closed-form approximate expressions for the average combined signal-to-noise ratio (SNR) and SEP in the fading channel for M-QAM signal reception in the GSC using diversity pathways that are independently, identically distributed. The simulation results validate the SEP expressions and demonstrate that, for a given number of accessible diversity paths, combining the strongest paths results in the majority of the diversity gain, and that the SNR declines as the number of combined paths increases. On the other hand, the numerical results demonstrate that, for a certain number of combined paths, increasing the number of available diversity paths can lead to a significant performance improvement.

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Symbol Error Probability Performance for Generalized Selection Combining Diversity Reception of M-Qam Over Rayleigh Fading Channel

Bamisaye

2023

Telecom Rad Eng

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Effect of Thick Vegetation Cover, Building Obstructions, and Earth Terrain on the Quality and Performance of the GSM Signal at the Federal Polytechnic Ado-Ekiti

Alake,

Bamisaye,

Oladimeji

2024

Telecom Rad Eng

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Wireless communication system performance is fundamentally constrained by the mobile radio channels such as the Global System for Mobile Communication (GSM). The transmission path between the base transceiver station and the mobile station can range from line-of-sight to substantially obstructed environmental situations such as buildings, earth undulation valleys, and thick vegetation being the primary cause of poor network performance in and around the school perimeter. Mobile radio channels are incredibly unpredictable and do not provide simple analysis, in contrast to stationary and reliable wired channels. This research work, therefore, investigates the effect of thick vegetation cover, building obstructions, and earth terrain on the quality and performance of the GSM signal at the Federal Polytechnic Ado-Ekiti environs. A model for path loss (attenuation) is developed according to the Longley-Rice propagation model that forecasts the long-term median transmission loss over uneven terrain in comparison to the free-space transmission loss. The model was created for frequencies in the 20 MHz to 40 GHz range and path lengths in the 1 to 2,000 km range. The analysis of the results obtained shows that the path loss (attenuation) produced due to the effect of vegetation, building obstructions, and the earth undulation structures are quite significant. The solution of cell creation as a primary way of improving the quality of the GSM signal reception in the school perimeter without necessarily destroying the natural environment or demolishing any existing building is proposed.

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Design of a 2.4 GHZ Industrial, Scientific, and Medical Band Microstrip Patch Antenna

Cited by 2 publications

References 0 publications

Symbol Error Probability Performance for Generalized Selection Combining Diversity Reception of M-Qam Over Rayleigh Fading Channel

Symbol Error Probability Performance for Generalized Selection Combining Diversity Reception of M-Qam Over Rayleigh Fading Channel

Effect of Thick Vegetation Cover, Building Obstructions, and Earth Terrain on the Quality and Performance of the GSM Signal at the Federal Polytechnic Ado-Ekiti

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