All Stories

  1. Spatio-Temporal Distribution of Water Vapour Attenuation for Terrestrial Wireless Communication Links over South Africa
  2. Complex Dynamics from Radio Refractivity Gradients over west African sub-Saharan Stations: An Implication on Microwave Propagation Links
  3. Spatiotemporal Recurrence Quantification Analysis of Atmospheric Solar Transmittance Indices across the West African sub-Saharan Region: Seasonal Modulation and Spatial Predictability Gradients
  4. Development and application of a novel bi-functional heat treatment furnace: A review
  5. Spatio-Temporal Distribution of Visibility over Nigeria Using Kernel Density Estimation Techniques for Fog-Induced Attenuation
  6. Time Series Prediction and Modeling of Visibility Range with Artificial Neural Network and Hybrid Adaptive Neuro-Fuzzy Inference System
  7. Design and analysis of improved rectangular-shape millimeter-wave microstrip patch antenna for 5 G and future generation wireless communication systems
  8. Application of principal component analysis and Artificial neural networks for the prediction of QoS in FSO links over South Africa
  9. Analysis of Cross-Polarization Discrimination Due to Rain for Earth–Space Satellite Links Operating at Millimetre-Wave Frequencies in Pretoria, South Africa
  10. Effect of Weather Condition on QoCS Beam of Downlink Microwave Radio Signals for High-Definition Digital Terrestrial Link over Abuja, Nigeria
  11. The Kernel Density Estimation Technique for Spatio-Temporal Distribution and Mapping of Rain Heights over South Africa: The Effects on Rain-Induced Attenuation
  12. Study of the seasonal characteristics of rainfall rate in Southwestern Nigeria and its effect on induced attenuation in earth-satellite communications
  13. Investigation of the Seasonal Impact of Diversity Gain and Improvement Factors on Signal Availability in Tropical Location
  14. Application of Principal Component Analysis and Artificial Neural Networks for the Prediction of Qos in Fso Links Over South Africa
  15. Investigation of the Seasonal Impact of Diversity Gain and Improvement Factor Toward Signal Availability in a Tropical Location
  16. Study of the Seasonal Characteristics of Rainfall Rate in Southwestern Nigeria and its Effect on Induced Attenuation in Earth-Satellite Communications
  17. Estimation of intelligent-based quality of service in terrestrial FSO links: A case of South Africa propagation paths
  18. Prediction and analysis of seasonal rain attenuation in the South-western region of Nigeria for future microwave applications
  19. Comparative analysis between ERA5 reanalysis data and MRR observation data at different altitudes for fall velocity and liquid water content
  20. Characterization and spatial distributions of atmospheric visibility, relative humidity and temperature for possible effect on optical communication links in Nigeria
  21. Temporal modelling of Lymnaea natalensis (Krauss, 1848) in tropical aquatic habitats
  22. Investigation of the Seasonal Impact of Diversity Gain and Improvement Factor toward Signal Availability in a Tropical Location
  23. Influence of wind speed on rain-based attenuation at Ku-band for earth-satellite links in Nigeria
  24. Comparative Study of Worst Month Rain Rate and Attenuation Statistics for Satellite Links in Nigeria
  25. Characterization of fog-induced attenuation for optimizing optical propagation links in Nigeria
  26. Frequency scaling of Ku-band signal for rain attenuation prediction and radio link applications over Akure, Nigeria
  27. Models for predicting bulinids species habitats in southwestern Nigeria
  28. Statistical analysis of atmospheric parameters, noise temperature and digital terrestrial television signal strength over Jos metropolis, Plateau state, Nigeria
  29. Computation of spherical and non-spherical raindrop scattering parameters using the Mie and T-matrix models in relation to 5G wireless systems
  30. Performance evaluation of metric measures for converting 30-min GPM rain data to 1-min for microwave applications in Tropical region of Nigeria: A multivariate approach
  31. Effect of Visibility Variation on Free Space Optical Communication System over the Eastern Coast of South Africa Using Climatic Data
  32. ANALYSIS OF THE DYNAMICAL BEHAVIOR OF Z-R AND Z-W RELATIONSHIPS FOR STRATIFORM AND CONVECTIVE RAIN TYPES USING KA-BAND GROUND RADAR OVER A TROPICAL LOCATION
  33. DESIGN AND FABRICATION OF AN IMPROVED UHF U-NOTCHED QUASI-YAGI LOG-PERIODIC ANTENNA FOR WIRELESS APPLICATIONS
  34. Intrusion Detection System using Raspberry Pi and Telegram Integration
  35. Smart Hat for the blind with Real-Time Object Detection using Raspberry Pi and TensorFlow Lite
  36. Assessment of Atmospheric Turbulence Effect on the Free Space Optical Communications links for Optimum Performance, over Western Cape, South Africa
  37. The variation and prediction of visibility using some meteorological parameters over a few selected stations, South Africa
  38. Analysis of Rain-Induced Attenuation at Ku-V Band Using Gamma Drop Size Distribution Model Over a Tropical Region
  39. Prediction of Tropospheric Amplitude Scintillation for Accurate Design of Earth-Space Communication Link over Akure, Nigeria
  40. Distribution of tropospheric amplitude scintillation on Ku-Band earth-space link over a tropical station
  41. Performance of ARIMA modelling on sub-tropical rain attenuation at Ka-band terrestrial link in Kwazulu-Natal, South Africa
  42. IoT-Based Smart Aquaponics System Using Arduino Uno
  43. Mobile Virtual Reality (VR) for Science Projects: Ohm's Law Laboratory
  44. Variability and trends in rain height retrieved from GPM and implications on rain-induced attenuation over Nigeria
  45. URSI-NG CONFERENCE 2021 ON THE FUTURE OF RADIO COMMUNICATION: PROSPECTS AND CHALLENGES
  46. Chaotic characteristics of microwave radio field strength over Nigeria
  47. Characterization of microwave fading over coastal cities of Nigeria
  48. Characterization of rain fade dynamics for Ku band satellite communication systems in a tropical location
  49. Characterization of rain specific attenuation and frequency scaling technique for satellite communication systems in a tropical location
  50. Cloud attenuation on Earth-Space path at some provincial capital cities in South Africa
  51. Comparative analysis of precipitable liquid water content from micro rain radar and era-interim data: implication on radio wave propagation in a tropical location
  52. Development of a low cost disdrometer using piezo-buzzer as a sensing device
  53. Development of signal strength meter for GSM signal
  54. Diurnal variation of RF power density with distance from selected mobile phone base transceiver stations in Offa metropolis, Kwara State Nigeria
  55. Dynamical assessment of altitudinal trend of drop size distributions in a tropical region of Nigeria
  56. Geoclimatic characterization and latitudinal dependence of rain heights over Nigeria
  57. Modeling digital terrestrial television signal strength with atmospheric parameters and noise temperature: a case study of North-Central Nigeria
  58. On the conversion of a 3-hour integration time rain rate into one minute rain rate for forecast of attenuation due to rain
  59. Simulation of raindrop shapes and its interaction with electromagnetic wave
  60. Country perspectives on improving technical assistance in the health sector
  61. Evaluation of Concurrent Variation in Rain Specific Attenuation and Tropospheric Amplitude Scintillation Over Akure, Southwest Nigeria
  62. Assessment of Total Attenuation and Adaptive Scheme for Quality of Service Enhancement in Tropical Weather for Satellite Networks and 5G Applications in Nigeria
  63. The Study of Atmospheric Stability Using Radio Refractivity Profiles Over a Tropical Climate in Nigeria
  64. Analysis and impact of digital modulation techniques on LTE over fibre for 5G systems applications.
  65. Rain height dynamics over some coastal cities of South Africa for earth-space links design
  66. Statistics of tropospheric amplitude scintillation over selected locations in tropical Nigeria
  67. Dynamical evolution of vertical profile of rain structures observed using ground-based radar over a tropical station
  68. Development and performance evaluation of tropospheric scintillation model on Ku-band satellite link over Akure, Nigeria
  69. Impact Of Atmospheric Parameters And Noise Temperature On Digital Terrestrial Television Signal Strength Overkarshi Area, Abuja, North-Central, Nigeria
  70. Prediction of Attenuation using Visibility variations and other Meteorological Parameters in George, Western Cape, South Africa.
  71. Rain Height Statistics from GPM Data for Satellite Communication Systems in Nigeria
  72. Modeling of atmospheric primary radioclimatic variables in Nigeria for microwave radio propagation applications
  73. Temporal evolution of atmospheric parameter-profiling on rain height over two geoclimatic regions in Nigeria
  74. Performance Evaluation of Inter Satellite Optical Wireless Communication Link at Multiple Optical Wavelengths Using Diverse Modulation Techniques
  75. Rain Impairment Model for Satellite Communication Link Design in South Africa using Neural Network
  76. Assessment of dual-polarized interference due to precipitation for high-capacity satellite communication systems in Nigeria
  77. Quantitative analyses of complexity and nonlinear trend of radio refractivity gradient in the troposphere
  78. Propagation curves and coverage areas of digital terrestrial television base stations in the tropical zone
  79. EVOLUTION OF FREE SPACE OPTICAL SYSTEM BASED ON SUBCARRIER INTENSITY MODULATION OVER SOME DEGREE OF TURBULENT
  80. SEASONAL EVOLUTION OF VERTICAL PROFILE OF PRECIPITABLE WATER CONTENT AND CLOUD-BASED ATTENUATION AT EHF BAND OVER A TROPICAL LOCATION USING GBMRR
  81. Fog and Rain Attenuation Characterization and Performance of Terrestrial Free Space Optical Communication in Akure, Nigeria
  82. Comparative study on Radio Refractivity Gradient in the troposphere using Chaotic Quantifiers
  83. Parameterization of Radar Reflectivity-Rain Rate Relation during Tropical Convective, Transition and Stratiform Rain Types
  84. Designing a Green Power Delivery System for Base Transceiver Stations in Southwestern Nigeria
  85. Path Loss Propagation Prediction and Optimization Using Walfisch-Bertoni Model at 900 and 1800 MHz Over Macro-Cellular Western Regions of Nigeria
  86. Atmospheric chaoticity and complexity from radio refractivity derived from Akure station
  87. Distribution of rain height over subtropical region: Durban, South Africa for satellite communication systems
  88. Characterization of rain heights due to 0° isotherm in tropical and subtropical climates: implication on rain-induced attenuation prediction
  89. Experimental analysis and comparison of tropospheric scintillation prediction models using eutelsat-36b satellite in a tropical Nigeria
  90. Performance of Site Diversity Fade Mitigation over Earth to Space Propagation Link.
  91. Freezing height level distribution over Durban, South Africa for satellite communication
  92. Modeling freezing height level for satellite link communication: Durban, South Africa
  93. On the statistical distribution of clear air effects and the implication on microwave radio communication links in Nigeria
  94. Observation of bright-band height data from TRMM-PR for satellite communication in South Africa
  95. Geo-spatial distribution of cloud cover and influence of cloud induced attenuation and noise temperature on satellite signal propagation over Nigeria
  96. Statistical Studies of Cross-Polarization Due to Subtropical Rain on SHF Radio Propagation Paths Over Some Stations in South Africa
  97. On validation of the rain climatic zone designations for Nigeria
  98. Analysis of bright-band height data from TRMM-PR for satellite communication in Durban, South Africa
  99. Variation of slant path Ka/V-band rain attenuation over seven tropical locations in Nigeria using synthetic storm techniques
  100. Application of Synthetic Storm Technique for Diurnal and Seasonal Variation of Slant Path Ka-Band Rain Attenuation Time Series over a Subtropical Location in South Africa
  101. Estimation of the Propagation Impairments of Satellite Systems Design in the SHF and EHF Bands in Subtropical Region
  102. Estimation of Effective Transmission Loss Due to Subtropical Hydrometeor Scatters using a 3D Rain Cell Model for Centimeter and Millimeter Wave Applications
  103. Intelligent techniques to maintain QoS at SHF and EHF satellite systems network in a subtropical climate
  104. Rain height information from TRMM precipitation radar and micro rain radar for radio communication studies in Nigeria
  105. Development of one-minute rain-rate and rain-attenuation contour maps for satellite propagation system planning in a subtropical country: South Africa
  106. Predicting radio refractivity using a stochastic model
  107. Classification of tropical convective and stratiform rains using a Micro rain radar and its effect on microwave radio signals in Akure
  108. Some aspects of rain effects on the performance of Ku-band satellite signals in Akure, Nigeria
  109. Testing rainfall rate models for rain attenuation prediction purposes in tropical climate
  110. Rain Height Statistics Based on 0°C Isotherm Height Using TRMM Precipitation Data for Earth-Space Satellite Links in Nigeria
  111. PERFORMANCE ANALYSIS OF RAIN RATE MODELS FOR MICROWAVE PROPAGATION DESIGNS OVER TROPICAL CLIMATE
  112. Comparison of 1-min rain rate derived from TRMM satellite data and raingauge data for microwave applications in Nigeria
  113. Path loss model for radio wave propagation at VHF/UHF Bands using electric field strength measurement over Ilorin Middle-belt, Nigeria
  114. Rain rate and rain attenuation prediction with experimental rain attenuation efforts in south-western Nigeria
  115. Community-level impact of the reproductive health vouchers programme on service utilization in Kenya
  116. NECOP Propagation Experiment: Rain-Rate Distributions Observations and Prediction Model Comparisons
  117. Dimensional statistics of rainfall signature and fade duration for microwave propagation in Nigeria
  118. Estimation of cross-polarization due to rain over some stations in Nigeria
  119. Evaluation of the impact of the voucher and accreditation approach on improving reproductive health behaviors and status in Kenya
  120. Statistical characterizations of rainfall structure over two tropical stations in southern India for microwave communication
  121. One-Minute Rain-Rate Contour Maps for Microwave-Communication-System Planning in a Tropical Country: Nigeria
  122. Statistics of annual and diurnal cloud attenuation over equatorial climate
  123. The Application of 3D Rain Scatter Model on Horizontally Polarized SHF Signal Propagation in Tropical Location
  124. Rainfall Dynamics Over Two Indian Tropical Stations for Radio Communication
  125. AN ESTIMATE OF INTERFERENCE EFFECT ON HORIZONTALLY POLARIZED SIGNAL TRANSMISSION IN THE TROPICAL LOCATIONS: A COMPARISON OF RAIN-CELL MODELS
  126. RAIN RATE AND RAIN ATTENUATION PREDICTION FOR SATELLITE COMMUNICATION IN KU AND KA BANDS OVER NIGERIA.