International Journal of Advanced Networking and Applications

Open Access Open Access  Restricted Access Subscription Access

Evaluation of Signal Strength and Quality of a Ku-Band Satellite Downlink during Raining Season in Guinea Savanna Region of Nigeria


Affiliations
1 Department of Electrical/Electronics Technology, Kogi State College of Education (Technical) Kabba,Kogi State, Nigeria
2 Department of Physics, Federal University Lokoja, Nigeria
 

This study presents the evaluation of signal strength and quality of a ku-band satellite downlink signals during raining season in Guinea Savanna region of Nigeria. Rain rate data and ku-band signal over Jos were retrieved from the Nigeria Meteorological Agency (NIMET). Rain rate data was measured using Davis Vantage Vue weather station while microwave signal were obtained using spectrum analyzer. The measured data were analyzed using Microsoft office excel. Rainfall is broadly classified into two types: stratiform (drizzle: ≤5mm/hr and widespread: >5≤25mm/hr) and convection (shower: >25≤50mm/hr and thunderstorm: >50mm/hr). Results were calculated based on ITU-Recommendations P.618-12 and P.838. The results obtained revealed that the effect of rain on signal strength and quality on a ku-band link depend on the rain type and duration of rainfall. The effect of drizzle (≤5mm/hr) on the ku-band link is not significant regardless the duration of rainfall. The results also shows that severe signal losses above 60dB were obtained under shower (>25≤50mm/hr) and thunderstorm (>50mm/hr). Also, widespread (>5≤25mm/hr) that prevailed for a longer period causes severe signal losses. This is to say that lower rain rate of about 25mm/hr that prevailed for a very long time have significant effect on Kuband link. The results of this study will serve as crucial design parameters for communication systems engineers for providing fade margins and developing accurate fade mitigation techniques (FMTs) for the Guinea Savanna region of Nigeria. It was observed from this study that the experimental studies within the Ku-band frequency are getting over exhausted. Therefore, experimental studied in the region of higher band like K and Ka are highly recommended.

Keywords

Ku-Band, Downlink, Signal Quality, Signal Strength and Signal Loss.
User
Notifications
Font Size

  • Arat Kumar K, Vijatay Bhaskara Rao s, & Narayanan R (2008). Prediction of Ku Band Rain alternation using Experimental data and stimulation for Hassan. India: international journal of computer science and Network security. 8(4).

  • Ayantunji, B.G, Mai-Unguwa, H., Adamu A. & Orisekeh, K. (2013). Tropspheric influences on satellite communication in tropical environment: A case study of Nigeria. International Journal of Engineering and innovative technology.2(2)111116.

  • Dissanayake W. (2002). Ka-Band Propagation Modeling for fixed satellite application. Outline Journal of space communication. 1(2).

  • Ezeh, G.N, Chukwuneke, N.S, Ogujiofor, N.C, Dialah H. (2014) Effect of Rain alternation on satellite communication Link: Advance in science and technology research journey. 8(22). 1-10.

  • Figueiras, J & Fraltasi S (2010). mobile positioning and tracking from conventional to cooperative techniques. John Willie and sons ISBN 11199 57567.

  • Hossain M. M, Rahman. Md.m and Alim Md. A (2010). performance analysis of uplink and downlink Transmission in CDMA system. Journal of telecommunication. 1(1) page 84.

  • Ogherohwo E.p, Jangfa T.Z and Ibrahim A.(2017). Analysis of satellite transmission losses due to tropospheric irregularities in Guinea saranmah region of Nigeria. Physics: Fupre journal of scientific and industrial research. 1(1) 60-103.

  • Omotosho etal (2013). Impart of cloud on fixed satellite communication links on earth spacepath, at Ka, and V-Band in Africa continent. Department of physics, Electrical/Electronics and system engineering. International Journal of Engineering and technology. 3(1) 11-19.

  • Omotosho, T.V and Oluwafemi, C.O (2009). Impairment of radio wave signal by rainfall on fixed satellite service on earth -space path at 37 stations in Nigeria. Physics: journal of atmospheric and solar terrestrial physics.7. 830840.

  • Rong L. (2015). A new method of uplink power compensation of rain alternation of satellite communication system: International conference on Automation, mechanical control and computational engineering College of Communication and information Engineeries, Xi'an University of science and technology, Xi'an 10054, China cold 3000 @ 126.com

  • Zhimwang J.T, Ogherohwo E.P and Igbekele O.J (2018). Estimation of the long-term propagation losses due to rain on microwave satellite links over Jos, Nigeria. Fupre journal of scientific and industrial research. 2,(2) page 103-114.

  • Isabona J., Odesanya I., J.T. Zhimwang, Risi I. (2022). Achievable Throughput over Mobile Broadband Network Protocol Layers: Practical Measurements and Performance Analysis. Int. J. Advanced Networking and Applications. 13(4): 5037-5044.


Abstract Views: 139

PDF Views: 0




  • Evaluation of Signal Strength and Quality of a Ku-Band Satellite Downlink during Raining Season in Guinea Savanna Region of Nigeria

Abstract Views: 139  |  PDF Views: 0

Authors

Yahaya Yunisa
Department of Electrical/Electronics Technology, Kogi State College of Education (Technical) Kabba,Kogi State, Nigeria
Zhimwang Jangfa Timothy
Department of Physics, Federal University Lokoja, Nigeria

Abstract


This study presents the evaluation of signal strength and quality of a ku-band satellite downlink signals during raining season in Guinea Savanna region of Nigeria. Rain rate data and ku-band signal over Jos were retrieved from the Nigeria Meteorological Agency (NIMET). Rain rate data was measured using Davis Vantage Vue weather station while microwave signal were obtained using spectrum analyzer. The measured data were analyzed using Microsoft office excel. Rainfall is broadly classified into two types: stratiform (drizzle: ≤5mm/hr and widespread: >5≤25mm/hr) and convection (shower: >25≤50mm/hr and thunderstorm: >50mm/hr). Results were calculated based on ITU-Recommendations P.618-12 and P.838. The results obtained revealed that the effect of rain on signal strength and quality on a ku-band link depend on the rain type and duration of rainfall. The effect of drizzle (≤5mm/hr) on the ku-band link is not significant regardless the duration of rainfall. The results also shows that severe signal losses above 60dB were obtained under shower (>25≤50mm/hr) and thunderstorm (>50mm/hr). Also, widespread (>5≤25mm/hr) that prevailed for a longer period causes severe signal losses. This is to say that lower rain rate of about 25mm/hr that prevailed for a very long time have significant effect on Kuband link. The results of this study will serve as crucial design parameters for communication systems engineers for providing fade margins and developing accurate fade mitigation techniques (FMTs) for the Guinea Savanna region of Nigeria. It was observed from this study that the experimental studies within the Ku-band frequency are getting over exhausted. Therefore, experimental studied in the region of higher band like K and Ka are highly recommended.

Keywords


Ku-Band, Downlink, Signal Quality, Signal Strength and Signal Loss.

References