multipath fading communication channels
Adaptive relay techniques for OFDM-based cooperative communication systems
... accumulated multipath fading channels, the relay selection schemes only based on the channel gain or signal-to-noise ratio (SNR) cannot achieve high transmission efficiency without considering the ...
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Residue Number System Arithmetic Based Parallel Communication Scheme Using Orthogonal Signaling: Part II Multipath Fading Channels
... The model treated in Part I of this paper is extended here to account for the effects of the multipath Rayleigh fading channel when using noncoherent demodulation. Diversity reception tech- niques with ...
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STUDY OF VARIOUS MULTIPATH CHANNELS& SMALL-SCALE FADING& ITS PERFORMAMCE IN WIRELESS COMMUNICATION
... Multipath signals are gotten in an earthbound situation, i.e., where diverse types of engendering are available, and the signals touch base at the beneficiary from the transmitter through an assortment of paths. ...
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A Secure Chaos-Based Communication Scheme in Multipath Fading Channels Using Particle Filtering
... In recent years, much attention has been devoted to a group of techniques known as particle filtering methods (also referred as sequential Monte Carlo (SMC) algorithms) [24]. All of these techniques are aimed at building ...
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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 ...
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Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels
... wireless communication introduces Intersymbol ...Wireless communication channel. Wireless communication channel introduces fading under various ...of fading channels, the amount ...
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Energy detection based spectrum sensing over enriched multipath fading channels
... Hoyt fading channels, which have been extensively shown to provide rather accurate characterization of enriched multipath fading ...of fading in energy detection based spectrum sensing ...
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Serial Acquisition of DS CDMA Signals in Multipath Fading Mobile Channels
... The communication model under consideration consists of simultaneous transmitters, which includes data trans- mission users (who have finished acquisition) and one initial synchronization user [whose PN sequence ...
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Frequency estimation in multipath rayleigh-sparse-fading channels
... MANY communication scenarios, a receiver has to per- form both frequency and timing synchronization in a large frequency and timing ...and fading. In mobile channels, multipath components ex- ...
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Channel length assisted symbol synchronization for OFDM systems in multipath fading channels
... in communication systems, its synchronization in multipath fading channels remains an important and challenging ...in multipath fading ...
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Constant Envelope DCT- and FFT- based Multicarrier Systems
... in multipath fading channels using FDE is ...digital communication over Rayleigh-fading channel is ...data communication over a Rayleigh fading channel are ...and ...
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Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes
... any communication system, as the digital M-ary modulation offers much more advantages than other modulation ...over fading channels is also an interesting future research ...
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Performance Comparison of Multipath Rayleigh Fading Channels using M-PAM and Rectangular QAM Schemes in Digital Communication Systems
... The primary advantage with the digital communication system is the ease with which digital signals, compared with analog signals are regenerated. The shape of the waveform is affected by two basic mechanisms, ...
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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 ...mobile communication ...
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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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Study of Methods to Mitigate Fading in Mobile Communication
... to communication world has become a smaller place to live in, according to this we can leap 3G to 4G along its features and future trends i n mobile ...wireless communication systems is the variations in ...
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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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Optimal Spacing Design for Pilots in OFDM Systems over Multipath Fading Channels
... The block type pilot channel estimation, has been devel- oped under the assumption of slow fading channel, this assumes that the channel transfer function is not chang- ing very rapidly. In block-type pilot based ...
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Transmitter antenna diversity and adaptive signaling using long range prediction for fast fading DS/CDMA mobile radio channels
... Some of the proposed transmitter antenna diversity schemes are Orthogonal Transmitter Diversity (OTD), Transmitter Adaptive Array (TxAA), Selective Transmitter Diversity (STD), and Space Time Transmitter Diversity ...
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Bit Error Rate (BER) Analysis of Rayleigh Fad...
... of communication systems the classical additive white Gaussian noise (AWGN) channel, with statistically independent Gaussian noise samples corrupting data samples free of intersymbol interference (ISI), is the ...
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