• No results found

free space path loss

Determination of Wireless Communication Links Optimal Transmission Range Using Improved Bisection Algorithm

Determination of Wireless Communication Links Optimal Transmission Range Using Improved Bisection Algorithm

... optimal path length is based on the link budget equation for line-of-sight wireless communication ...Specifically, free space path loss model was used for the clear-air path ...

12

Investigation of error bounds of empirical path loss models at 
		UHF band 
		in Ondo State, Nigeria

Investigation of error bounds of empirical path loss models at UHF band in Ondo State, Nigeria

... white space for secondary ...predicting path loss for seven empirical path loss models is investigated for Ondo State in South West ...the free space path ...

10

Performance Evaluation of the Lionet Quality of Service in Nsukka Campus of the University of Nigeria

Performance Evaluation of the Lionet Quality of Service in Nsukka Campus of the University of Nigeria

... for free space path ...the path loss under free space condition increases at a constant rate of ...under free space condition has a positive ...with ...

8

Pathloss Modelling In MATLAB to Generate Physically Accurate Simulation

Pathloss Modelling In MATLAB to Generate Physically Accurate Simulation

... than free space path loss modelling, which is over-simplistic model considering only the LOS ray discarding the ground reflected, diffracted and scattered rays at the ...to free ...

11

Comparative Analysis of Path Loss Propagation Models in Radio Communication

Comparative Analysis of Path Loss Propagation Models in Radio Communication

... calculate path loss in different terrain Show that due to some environment impairments and NLOS condition in urban area, this models simulates higher path loss compared to suburban and rural ...

5

An Application of Ray Tracing Modeling Technique to design Aeronautical Satellite Communication

An Application of Ray Tracing Modeling Technique to design Aeronautical Satellite Communication

... propagation path is then applied by Ray tracing ...as free space propagation loss, and reflection coefficient are then applied to the rays that area sent out from the transmitter model ...

5

Propagation of IEEE802.15.4 in Vegetation

Propagation of IEEE802.15.4 in Vegetation

... the free-space attenuation, also the propagation medium and obstacles in the propagation path cause electromagnetic waves to fade, mainly due to reflections, diffraction and wave ...empirical ...

6

COMPARISON OF PATH LOSS MODELS FOR WIMAX IN RURAL ENVIRONMENT AT 3.5 GHZ

COMPARISON OF PATH LOSS MODELS FOR WIMAX IN RURAL ENVIRONMENT AT 3.5 GHZ

... Path loss (PL) arises when an electromagnetic wave propagates through space from one transmitter to ...to path distance, reflection, diffraction scattering, free-space ...

6

The Design and Implement of Propagation Path Loss Model over Sea Surface under HF

The Design and Implement of Propagation Path Loss Model over Sea Surface under HF

... “Propagation Path-Loss Model” (PPLM) is introduced in this ...reflection loss of calm and rough sea-surface, a mathematical prediction model of sea-surface propagation is ...propagation path ...

6

Index Terms - Radio Wave Propagation, Doppler Effect, indoor propagation models, path loss

Index Terms - Radio Wave Propagation, Doppler Effect, indoor propagation models, path loss

... of path losses becomes the main ...of path loss values become more complex and hard to ...common Free Space and Log Distance propagation models are used to analyze these problems in ...

6

Design The Amount Of Error Due To Free Space Loss Model Used By Telecommunication Companies

Design The Amount Of Error Due To Free Space Loss Model Used By Telecommunication Companies

... the path loss effect on an area covered by a single or multi transmitter (s) ...the path and clutter loss model CEPT and ITU organizations have accepted a common formula for wireless ...

5

A Case for Cross Layer Design: The Impact of Physical Layer Properties on Routing Protocol Performance in MANETs

A Case for Cross Layer Design: The Impact of Physical Layer Properties on Routing Protocol Performance in MANETs

... the free space propagation model vary significantly when propagation effects, as path loss and shadowing are ...development space that takes into account channel state information ...

8

Experimental Characterization of Wireless MIMO Channel at 5.8 GHz
 in Underground Gold Mine

Experimental Characterization of Wireless MIMO Channel at 5.8 GHz in Underground Gold Mine

... the path loss exponent is less than 2 in MIMO configuration due to the large number of scatters that increase the received power when compared to the free-space ...

12

The Simulation of Indoor Service Range Prediction of Wireless Radio Access Point for Radio over Fiber System

The Simulation of Indoor Service Range Prediction of Wireless Radio Access Point for Radio over Fiber System

... total path loss in various indoor communication channel links by taking the effects of fading floors and corridors respectively by estimated the slow and fast fading caused by multipath and diffraction ...

5

Download
			
			
				Download PDF

Download Download PDF

... the path loss exponent for various cities of their country as reported in ...propagation path loss at 1.8 GHz for Benin City. In the work, propagation path loss for GSM 1800 was ...

13

INVESTIGATIONS ON THE EFFECT OF DIELECTRIC SUPERSTRATES ON THE CHARACTERISTICS OF MICROSTRIP PATCH ANTENNA

INVESTIGATIONS ON THE EFFECT OF DIELECTRIC SUPERSTRATES ON THE CHARACTERISTICS OF MICROSTRIP PATCH ANTENNA

... bandwidth and radiation [1-3, 6]. Keeping these aspects in mind, the rectangular MPA is fabricated on Arlon diclad 880 dielectric substrate, whose dielectric constant ( ) is 2.2, loss tangent (tan ) is 0.0009, ...

6

The Effect of Path Loss on QoS at NPL

The Effect of Path Loss on QoS at NPL

... The path loss also affects other parameters such as necessary receiver sensitivity, the form of transmission used and many other ...radio path loss, and to be capable to determine the levels ...

6

Dynamic Path in C4 Space-Time

Dynamic Path in C4 Space-Time

... In the previous papers [?] [?] [?], we have presented a new formulation for a unified physical theory in C 4 space. This formulation has altered many beliefs and strategies existing in the literature of physics. ...

7

Enriching the Notion of Path in ISO Space

Enriching the Notion of Path in ISO Space

... place, path, spatial named entity, or event at the beginning of the path goal identifier of the place, path, spatial named entity, or event at the end of the path midPoint identifier of the ...

6

Effect Of Terrain Features On Wave Propagation

Effect Of Terrain Features On Wave Propagation

... Propagation channel is a linear system defining a transformation between an input and an output signal, for best understanding the channel and overcome its imperfections. In fact, signal contempt many distortions such as ...

24

Show all 10000 documents...

Related subjects