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wireless multipath fading channels

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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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

... for multipath incorporate barometrical ducting, ionospheric reflection and refraction, and reflection from water bodies and earthly questions, for example, mountains and ...of multipath incorporate ...

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Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes

Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes

... and fading affect the modulated signals and the degradation of the symbol error rate due to these multipath paths and different fading ...the wireless environment and if everyone knows that ...

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Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels

Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels

... in wireless communication introduces Intersymbol ...over Wireless communication channel. Wireless communication channel introduces fading under various ...of fading channels, the ...

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Fading Characteristics over Wireless Channels

Fading Characteristics over Wireless Channels

... the wireless radio channel through different types of ...the wireless communication ...the wireless link are in general difficult to characterise because electromagnetic waves generated at either ...

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Adaptive relay techniques for OFDM-based cooperative communication systems

Adaptive relay techniques for OFDM-based cooperative communication systems

... over fading channels and makes it possible to have flexible and adaptive communi- cations for the source-relay and relay-destination ...broadband wireless systems using OFDM, where the aggregation of ...

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Study of Methods to Mitigate Fading in Mobile Communication

Study of Methods to Mitigate Fading in Mobile Communication

... to multipath fades due to a large number of scaterers and ...such channels, taking into account, the phenomenon of multipath fading and correlation between ...to multipath fading ...

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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 ...

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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 ...

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Optimal Spacing Design for Pilots in OFDM Systems over Multipath Fading Channels

Optimal Spacing Design for Pilots in OFDM Systems over Multipath Fading Channels

... In wireless orthogonal frequency division multiplexing (OFDM) systems, the time-varying channel is often estimated by algorithms based on pilot ...a multipath slowly fading channel, the ap- proach is ...

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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 ...

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CDMA Downlink Transmission with Transmit Antenna Arrays and Power Control in Multipath Fading Channels

CDMA Downlink Transmission with Transmit Antenna Arrays and Power Control in Multipath Fading Channels

... Wireless code-division multiple-access (CDMA) cellular downlink communications with transmit antenna arrays in multipath fading channels is studied. Various array signal processing techniques ...

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A Low Complexity Approach to Space Time Coding for Multipath Fading Channels

A Low Complexity Approach to Space Time Coding for Multipath Fading Channels

... We consider a single-carrier multiple-input single-output (MISO) wireless system where the transmitter is equipped with multiple antennas and the receiver has a single antenna. For this setting, we propose a ...

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Spectrum Sensing Over Multipath Fading Channels through Ofdm Signals for Cognitive Radios

Spectrum Sensing Over Multipath Fading Channels through Ofdm Signals for Cognitive Radios

... In wireless communications, fading is variation of the attenuation of a signal with varied ...frequency. Fading is usually modeled as a random process. A fading channel could be a ...

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Energy detection based spectrum sensing over enriched multipath fading channels

Energy detection based spectrum sensing over enriched multipath fading channels

... © 2016 IEEE. This is an author produced version of a paper published in 2016 IEEE Wireless Communications and Networking Conference (WCNC). Personal use of this material is permitted. Permission from IEEE must be ...

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Statistical Analysis of Multipath Fading Channels Using Generalizations of Shot Noise

Statistical Analysis of Multipath Fading Channels Using Generalizations of Shot Noise

... This paper provides a connection between the shot-noise analysis of Rice and the statistical analysis of multipath fading wireless channels when the received signals are a low-pass signal and ...

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Channel length assisted symbol synchronization for OFDM systems in multipath fading channels

Channel length assisted symbol synchronization for OFDM systems in multipath fading channels

... Figure 6 plots the bit error rate (BER) of the proposed estimator and the ML estimator [5], as a function of SNR in multipath fading channels. To focus on synchro- nization, the channel frequency ...

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Adaptive constrained CM based multicarrier CDMA receivers in multipath fading channels

Adaptive constrained CM based multicarrier CDMA receivers in multipath fading channels

... Two blind adaptive MC-CDMA receivers are proposed in this paper. In order to guarantee the global conver- gence, the proposed receivers adopt the constrained CM- based algorithms to realize the transmission of multiple ...

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Transmitter antenna diversity and adaptive signaling using long range prediction for fast fading DS/CDMA mobile radio channels

Transmitter antenna diversity and adaptive signaling using long range prediction for fast fading DS/CDMA mobile radio channels

... the fading channel focused on the case when the complex valued flat-fading coefficients were predicted and ...the fading channel power using observed power samples (see also ...

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Constant Envelope DCT- and FFT- based Multicarrier Systems

Constant Envelope DCT- and FFT- based Multicarrier Systems

... Discrete Cosine Transform (DCT)- and Fast Fourier Transform (FFT)- based Orthogonal Frequency Division Multiplexing (OFDM) systems with a variety of angle modulations are considered for data transmission. These ...

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