Rain Attenuation
Frequency scaling of rain attenuation
... is attenuation due to rain especially at frequencies above ...10GHz. Rain attenuation, however, increases approximately as the square of ...frequency. Rain attenuation will give ...
18
RAIN ATTENUATION AND LINK BUDGET DESIGN FOR KU BAND DOWNLINK SIGNAL IN GHANA
... transmission, rain is the major cause of signal impairment. The ITU-R rain rate and attenuation models are globally accepted models in determining the rain rate and attenuation at ...
8
Rain Attenuation Effects on 2 6 GHz WiMAX Networks Deployment in Ghana
... of rain attenuation to microwave engineers for the proposed launching of ...reliable rain attenuation for a given location, an appropriate distribution of rainfall rate for the site is ...the ...
8
Mitigating Rain Attenuation on Wireless Communication Link using Adaptive Power Control
... efficient rain attenuation mitigation techniques available, and will be explored in this ...GHz attenuation scaled to 30 GHz to adjust the transmitted power at 30 ...the attenuation at the ...
8
Diurnal and Seasonal Variations of Rain Rate and Rain Attenuation on Ku Band Satellite Systems in a Tropical Region: A Synthetic Storm Techniques Approach
... time-varying rain characterization and diurnal variation in the Ku-band satellite systems simulated with synthetic storm techniques (SST) over a tropical location in Nigeria have been ...years’ rain rate ...
10
Rain Attenuation Prediction at Ku Band Using Satellite Signal Beacon Measurement in Iran
... Also rain attenuation prediction at Ku band using satellite signal beacon measurement and simulations for Iran Telecommunication Research Center (ITRC) are ...and rain rate were simultaneously ...
14
A modified effective path length for predicting rain attenuation based on measurements in Penang Malaysia
... the rain fade characteristics, and analyze the rain attenuation ...of rain attenuation leads to propose the appropriate and suitable mitigation technique for the rain ...of ...
5
Rain Attenuation at 58 GHz: Prediction versus Long Term Trial Results
... of rain attenuation obtained were analyzed in detail on a year-to-year basis and were com- pared with distributions corresponding to relevant ITU-R ...of rain attenuation should be further ...
7
Comparative Analysis of Terrestrial Rain Attenuation at Ku band for Stations in South Western Nigeria
... for rain attenuation [10]. A rain event is not evenly distributed in an area; and the contribution of rain effect on a transmitted signal is such as to impede propagation of electric ...[11]. ...
9
Assessment of X-band Earth-Satellite link Rain Attenuation Prediction in Malaysia
... elected rain event, it can be concluded that the values calculated from ITU-R calculation and the radar reflectivity estimation are found to be lower when compared to the actual RazakSAT satellite ...the ...
6
Model for the prediction of rain attenuation affecting free space optical links
... predict rain attenuation on FSO links for a path length L of up to 5 km, whose applicability goes beyond the single ...specific rain attenuation strongly depends on; and (3) it embeds the ...
14
A Semi-Empirical Model of Rain Attenuation at Ka-Band in Northern Taiwan
... of rain attenuation at Ka-band in northern ...with rain attenuation measurements in all seasons. The attenuation due to rain can be estimated by calculating the extinction ...
11
Long-term rain attenuation probability and site diversity gain prediction formulas
... Rain attenuation is one of the most fundamental limitations to the performance of satellite communication links, causing large variations in the received signal ...of rain fading such as ...
23
Rain attenuation time series synthesizer for satellite link in tropical/equatorial region
... ITU-R P.1853 recommendation released on the year 2009 provided one of the most latest and comprehensive method to synthesize rain attenuation time series. This model developed from the Enhanced Maseng-Baken ...
24
Improving Rain Attenuation Estimation: Modelling of Effective Path Length Using Ku-Band Measurements at a Tropical Location
... of rain attenuation time series generation has been demonstrated for a tropical ...The attenuation is generated incorporating the model of the effective slant path in the frame work of ITU-R ...
14
An improved ITU R rain attenuation prediction model over terrestrial microwave links in tropical region
... The applicability of the proposed method was vali- dated using rain measurements from 12 tropical loca- tions. When tested against measurements, the proposed method seems to provide a significant improvement over ...
9
MITIGATION OF RAIN ATTENUATION IN A FIXED WIRELESS MICROWAVE LINK USING AN ADAPTIVE TRANSMIT POWER CONTROL (ATPC)
... of attenuation in a stationary wireless link (Nigcomsat-1r and VSAT earth station in PHIA) using ATPC was a huge success because from the graphs plotted, it was seen that the forecasted slant-path ...
13
Rain attenuation estimated from radar measurements for mobile satellite systems and based mobile unit terminals
... Observation is done by draw a line for every 2 0 of azimuth angle from radar station to mobile unit. Calculate altitude, h and from there find elevation angle for every azimuthal scanning. Observed rain ...
19
Rain Attenuation Modeling in the 10-100 GHz Frequency Using DROP Size Distributions for Different Climatic Zones in Tropical India
... the rain attenuation at different places in Indian region in the frequency range of 10–100 ...specific rain attenuation at different locations at higher rain ...overestimates ...
14
A New Prediction Method of Rain Attenuation Along Millimeter Wave Links Based on a Bivariate Model for the Effective Path Length and Weibull Distribution
... of rain attenuation statistics for a given terrestrial or Earth-space link is to insert local or regional precipitation statistics into a propagation ...the rain fade margin of a future link, annual ...
13