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wireless multipath communication channels

MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS

MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS

... Multipath fading occurs in any propagation environment with the possibility of transmitted signal taking several paths and/or with relative motion among the receiver and the ...of wireless mobile ...

12

Robust OFDM Timing Synchronisation in Multipath Channels

Robust OFDM Timing Synchronisation in Multipath Channels

... of communication appli- cations, including wireless LAN [1] and digital broadcast systems [2, 3], this is due to its inherent robustness to intersymbol interference (ISI) as a consequence of employing a ...

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Fast Sparse Multipath Channel Estimation with Smooth L0 Algorithm for Broadband Wireless Communication Systems

Fast Sparse Multipath Channel Estimation with Smooth L0 Algorithm for Broadband Wireless Communication Systems

... Broadband wireless channels are often time dispersive and become strongly frequency selective in delay spread ...these channels are composed of a few dominant coefficients and a large part of ...

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On Some Optimal MIMO Antenna Coefficients in Multipath Channels

On Some Optimal MIMO Antenna Coefficients in Multipath Channels

... in multipath channels (Some authors use Mean Effective Link Gain (MELG), see ...standardized communication performance measurements of handheld terminals ...beyond wireless systems ...

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A Secure Chaos-Based Communication Scheme in Multipath Fading Channels Using Particle Filtering

A Secure Chaos-Based Communication Scheme in Multipath Fading Channels Using Particle Filtering

... secure communication and chaos synchronization have received ever increasing ...potential communication confidence due to the very dynamic properties of chaotic nonlinear systems, the performance of most of ...

9

Adaptive differential amplitude pulse position modulation technique (DAPPM) using fuzzy logic for optical wireless communication channels

Adaptive differential amplitude pulse position modulation technique (DAPPM) using fuzzy logic for optical wireless communication channels

... from multipath distortion, and a predetermined maximum transmission distance can always be assured for a given optical power, independently of the reflective properties or the shape of the room, as far as the line ...

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Performance Comparison of Multipath
Rayleigh Fading Channels using M-PAM and
Rectangular QAM Schemes in Digital
Communication Systems

Performance Comparison of Multipath Rayleigh Fading Channels using M-PAM and Rectangular QAM Schemes in Digital Communication Systems

... The multipath propagation in the mobile environment is a different ...of multipath interference. In the usual wireless situation, however, the transmitter, the receiver, or both, are in constant ...

8

A Comparative Study between Multipath Fading Channels

A Comparative Study between Multipath Fading Channels

... Abstract - There are various kinds of channel used in wireless communication. This Paper shows a performance analysis on the basis of different fading channels. This is the comparative analysis with ...

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A Study on Communication Channel Estimation for Emergency Networks in Underground Mining Environment

A Study on Communication Channel Estimation for Emergency Networks in Underground Mining Environment

... of multipath channel and the researches on frequency correlation characteristics have attracted much attention of experts and ...the multipath fading channel models based on electromagnetism scatter theory ...

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STUDY OF VARIOUS MULTIPATH CHANNELS& SMALL-SCALE FADING& ITS PERFORMAMCE IN WIRELESS COMMUNICATION

STUDY OF VARIOUS MULTIPATH CHANNELS& SMALL-SCALE FADING& ITS PERFORMAMCE IN WIRELESS COMMUNICATION

... It is influenced by proliferation qualities of the channels between the CUs and PUs, for example, path-misfortune, shadowing, and fading. Moreover, the quantity of CUs that transmit and their areas influence the ...

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Modelling and characterisation of short range underwater optical wireless communication channels

Modelling and characterisation of short range underwater optical wireless communication channels

... underwater communication. Apart from being used in communication systems, acoustic technology is also used in imaging, positioning and ...from multipath propagation due to reflections from the sea ...

250

Improving Signal Strength in Wireless Mobile Communication using Diversity Combining Technique over Rayleigh Fading Channels

Improving Signal Strength in Wireless Mobile Communication using Diversity Combining Technique over Rayleigh Fading Channels

... than multipath fading arises, to mitigate multipath fading in wireless channel transmitter power control method is used, in this method transmitter on other side of the link preprocessed the signal ...

5

Analysis of AOMDV Routing Protocol in Square and Triangle Based Topologies of Wireless Mesh Network

Analysis of AOMDV Routing Protocol in Square and Triangle Based Topologies of Wireless Mesh Network

... Abstract— Wireless mesh networks are a potentially valuable type of a wireless network that has the capacity to provide everywhere internet access as well as broadband wireless coverage to large ...

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Adaptive Blind Channel Equalization for Mobile Multimedia Communication

Adaptive Blind Channel Equalization for Mobile Multimedia Communication

... In the last decade much research effort has been dedicated to deal with the issues of wireless multimedia communications, in particular bandwidth limitation and channel impairment. We have recently proposed a new ...

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Performance of tcp and udp protocols for secure multipath aco  communication in manet

Performance of tcp and udp protocols for secure multipath aco communication in manet

... scenario is mentioned in this section TCP Data Receives Analysis. Transmission Control Protocol is reliable protocol and these protocols are also secure if at destination end data are drop continuously after sending ...

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Implementation of Transmit Diversity Schemes

Implementation of Transmit Diversity Schemes

... existing wireless technology to handle the growing traffic and quality of service to be provided has revolutionized the wireless era and resulted into a new technology known as Long Term Evolution (LTE) and ...

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Adaptive Multipath Multimedia Streaming Architecture for Mobile Networks with Proactive Buffering Using Mobile Proxies

Adaptive Multipath Multimedia Streaming Architecture for Mobile Networks with Proactive Buffering Using Mobile Proxies

... for multipath trans- port in adhoc networks is presented in [ 3 ] ...for multipath transport is that the encoder should be capable of generating multiple substreams from the sin- gle video ...

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Channels of communication and accountability in the digital age

Channels of communication and accountability in the digital age

... become a global trend in public administration as well as an essential element of the modernization of public administration in Western democracies (Pina et al., 2007). More information delivered in a more timely fashion ...

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Organizational communication on devolved governance: a case of kisii county executive

Organizational communication on devolved governance: a case of kisii county executive

... informal communication network structures plays an important role in information exchange by helping the network members to have a better access to ongoing information exchange processes in the ...informal ...

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Title: Improved Space Time Block Coding Diversity Technique for Rayleigh Fading Channel in Wireless Systems

Title: Improved Space Time Block Coding Diversity Technique for Rayleigh Fading Channel in Wireless Systems

... Abstract— Numerous diversity techniques are used to minimize BER in wireless systems. But, the most effective diversity technique is Space Diversity. Space diversity is utilization of Multiple antenna systems ...

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