Rayleigh multipath fading channels
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 ...employ Rayleigh, Rice and ...
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A Comparative Study between Multipath Fading Channels
... distributed fading coefficient should be modeled with a non-zero mean, giving rise to the Rician ...that, Rayleigh fading with strong line of sight (LOS) content is said to have a Rician ...
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New Multiple Antennas Method based Energy Detector for Cognitive Radio over Fading Channels
... over Rayleigh fading channels in easiest form and Nakagami-m channels with no ...a multipath fading ...(AWGN) channels for the proposed ...
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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 ...of Rayleigh, Rician and ...of multipath ...
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WCDMA uplink under Rayleigh fading channels is
... in multipath environment to enhance the link-level performance of a WCDMA mobile communication ...of multipath components are estimated from deterministic ray tracing ...
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Bit Error Performance for Asynchronous Ds Cdma Systems Over Multipath Rayleigh Fading Channels (RESEARCH NOTE)
... Abstract In recent years, there has been considerable interest in the use of CDMA in mobile communications. Bit error rate is one of the most important parameters in the evaluation of CDMA systems. In this paper, we ...
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MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS
... a multipath Rayleigh fading channel than channel coding but in the case a Rician channel, channel-coding technique outperforms diversity mitigation ...excellent fading mitigation scheme refer ...
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Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels
... of channels to be used will be reduced ...with multipath fading without the use of complex equalization ...propagation channels. Some of the fading channels such as Rician and ...
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Performance Comparison of Multipath Rayleigh Fading Channels using M-PAM and Rectangular QAM Schemes in Digital Communication Systems
... Although the line-of-sight propagation uses a direct path from the transmitter to receiver, the receiver can also pick up reflected signals. Probably the simplest case is reflection from the ground. If the ground is ...
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Frequency estimation in multipath rayleigh-sparse-fading channels
... in multipath Rayleigh-fading channels with sparse impulse responses is ...the fading of different path amplitudes are independent from each other, and the additive noise is white and ...
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Research on Anti Jamming Performance of GMSK in Shortwave Frequency Hopping
... choose Rayleigh fading channel and Rice fading channel for ...flat fading and frequency selective fading are used in Rayleigh fading channel ...in Rayleigh ...
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Adaptive Channel Estimation for Turbo Decoding
... the turbo decoder, as its inputs. This is one of the unique choices of this thesis. Some research takes the hard decision as its input of the adaptive channel filter [13], while some takes only the soft information as ...
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Inter Carrier Interference Analysis of OFDM Systems Communicating Over Rapidly Fading Nakagami m Channels
... m fading channels is analyzed. In a rapidly fading environment the orthogonality of the OFDM sub- carrier signals may be destroyed and this phenomenon potentially results in InterCarrier Interference ...
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(PER). In this article, the PER is obtained for channels with Rayleigh and Rician fading. In the
... Abstract: Peak-to-Average Power Ratio (PAPR) is one of the main problems in wireless communications using Orthogonal Frequency Division Multiplexing (OFDM). Its behavior is random and can produce problems for the ...
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On Channel Estimation of OFDM BPSK and QPSK over Generalized Alpha Mu Fading Distribution
... for fading distri- ...Gaussian, Rayleigh and Negative Exponential distribu- tions as its special ...generalized fading model using three parameter generalized gamma distribution describing all forms ...
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POWER CONTROL ERROR AND BER DETERMINATION IN MC-DS/CDMA SYSTEM OVER RAYLEIGH FADING CHANNEL USING WAVELET NETWORKS
... This paper proposes an easy method based on wavelet networks for modeling the Bit Error Rate over a Rayleigh multipath fading channel taking care of a power control error. The RAKE receiver is ...
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On the Performance of Different Simulation Models for Rayleigh Fading Channels
... of multiple uncorrelated fading waveforms). Moreover, the WANG model converges faster than the ZX-1 model and it needs a small number of simulation trials to achieve the desired statistical properties. For the ...
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A Study on Communication Channel Estimation for Emergency Networks in Underground Mining Environment
... to multipath fading. In this paper, the theory based on multipath channels is summarized and a very simple multipath channel model is ...anti-multipath fading performance ...
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Interference Aspects of Adaptive Modems over Slow Rayleigh Fading Channels
... Figs. 18 and 19 show the BER and BPS performance of the optimized mean BER, speech, and computer data scheme with switching levels given in Table I, i.e., with switching levels ignoring the effects of interference, over ...
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Accurate BER of MC DS CDMA over Rayleigh Fading Channels
... We studied the accurate BER calculation of an asynchronous MC-DS-CDMA system exposed to flat Rayleigh fading using random spreading sequences and BPSK modulation. Using the CF approach, we derived a new ...
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