Propagation loss
The Prediction of Propagation Loss of FM Radio Station Using Artificial Neural Network
... measurement loss will increase due to increasing the distance. The increasing of loss will occur because of the environmental factors (buildings, terrain conditions ...space loss. The Figure 4 shows ...
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Application of Weissberger Model for Characterizing the Propagation Loss in a Gliricidia sepium Arboretum
... no propagation loss model can fit every ...foliage propagation loss models so that they will provide more accurate estimation of the expected foliage propagation loss that can be ...
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Study on Propagation Loss of GSM Signals in Office Environment with Vegetation
... radio propagation are attributed to diffraction, reflection and ...path loss, as well as propagation ...wave propagation loss at various areas surrounding a GSM base station is very ...
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A Decomposition Method for Computing Radiowave Propagation Loss Using Three-Dimensional Parabolic Equation
... radiowave propagation under complex environments is vitally important for improving the effective signal coverage in wireless communication and television broadcasting with plenty of urban buildings as well as ...
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Analysis and Verification of Core Factors in Radio Wave Propagation Loss
... wave propagation are not subject to administrative regions, national boundaries, signal transitions or radio interference phenomenon is very ...the propagation path of the signal, such as the effects of ...
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Propagation Loss Measurement Due to Miscellaneous Phenomenon at 5.6 GHz Band
... has been given. In [9], a geometry-based statistical model for radio propagation in rectangular office buildings has been presented. In [10], the human body shadowing variability in short-range indoor radio links ...
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Influence of Building Heights and Nature of Rooftop Views on Propagation Loss Prediction for Tropical Environment in Ondo State, Nigeria
... of propagation models: Hata, S U I, COST-231, Free Space and W/B models were suggested as good solutions for macro cellular signal in the studied locations because they are the most used propagation model ...
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Molecular versus electromagnetic wave propagation loss in macro scale environments
... Molecular communication is a system that utilizes chemical particles as a carrier for information. The information can be repetitive signalling from a limited alphabet, which is common in biological systems; or generic ...
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Study of Propagation Loss Prediction in Forest Environment
... the propagation in forested environment with the consideration of the ground effects on radio wave propagation in the frequency range of 2–200 ...wave propagation in ...path loss for the case ...
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1 High-Precision Measurement of a Propagation Loss
... generation in a high-Q lithium niobate microresonator fabricated by femtosecond laser. 215[r] ...
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Propagation path loss modeling and coverage measurements in urban microcell in millimeter wave frequency bands
... to propagation loss over the air. Free space path loss FSPL also increases in proportion to the square of the distance between the transmitter and ...the loss is increased to ...
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The Design and Implement of Propagation Path Loss Model over Sea Surface under HF
... reflection loss of calm and rough sea-surface, a mathematical prediction model of sea-surface propagation is ...of propagation path and transmission loss of skywave, including the ...
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Propagation Losses of UWB Antenna for on-Body to in-Body Signal Propagation
... return loss and VSWR of the proposed antenna are measured using VNA in free space condition and in honey phantom, and the measured results are compared with simulated ones as shown in ...return loss from 2 ...
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Propagation measurements and estimation of channel propagation models in urban environment
... predicted propagation loss by both of Weissberger and COST 231 W-I models with the measurements and the appreciation is performed for LOS and NLOS ...path loss estimation was influenced according to ...
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Noise Induced Hearing Loss (NIHL) prediction in humans using a modified back propagation neural network
... Back Propagation and Acceleration Learning Method (BPALM) was introduced to reduce the training time of conventional ...Back Propagation momentum Algorithm (PBPAM), where the momentum coefficient is ...
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Prediction of methanol loss by hydrocarbon gas phase in hydrate inhibition unit by back propagation neural networks
... its loss by both gas phase and light hydrocarbon liquid phase ...methanol loss by the hydrocarbon gas phase is required for designing an appropriate scenario for its reduction ...methanol loss could ...
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Study of absorption loss effects on acoustic wave propagation in shallow water using different empirical models
... overlapping of consecutive pulses in digital communication results in inter symbol interference (ISI) that increases the bit-error rate in the received data [5-7]. Therefore, underwater data communication links generally ...
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Noise-Induced Hearing Loss (NIHL) Prediction in Humans Using a Modified Back Propagation Neural Network
... hearing loss in older people can play the same effect on the young people ...hearing loss but still some important factors that can be helpful in finding harmful effects of NIHL in human hearing are ...
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Path Loss Correction for Signal Propagation amongst Low Roof Top Buildings using Fuzzy Logic
... outdoor propagation models are used and deployed for determining path loss over variable profile ...path loss in the practical scenarios and thus their result may be applied to existing models for ...
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Prediction Of Propagation Path Loss Model
... power loss involved in transmission between the base station (BS) and the mobile station (MS) is known as the path loss and depends particularly on the antenna height, carrier frequency and ...wave ...
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