Rayleigh-fading multipath environment
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 ...an environment where both the transmitter and receiver are fixed, it is often possible to position the antennas in such a way as ...
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Bit Error Performance for Asynchronous Ds Cdma Systems Over Multipath Rayleigh Fading Channels (RESEARCH NOTE)
... Consider K users transmitting asynchronously over a multipath-fading environment to a single receiver station. Assume that each transmitter uses a binary phase shift keying (BPSK) DS/CDMA modulation. ...
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BER Performance Analysis of Rake Receiver in Rayleigh Fading Channel for UMTS environment
... Rake Receiver [1]-[6] used in cellular systems can combine multipath components, which are time- delayed versions of the original signal transmission. This combining is done to improve Signal to Noise Ratio (SNR) ...
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A Comparative Study between Multipath Fading Channels
... proposed multipath fading channel in which the effect of a propagation environment on a radio signal such as signal strength variations, phase shift variations in the signal and additive noise has ...
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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 ...wireless environment ...
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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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On Error Estimation in Terms of Outage for Rician/Rayleigh Fading Environment
... Abstract - In this paper proposes a novel mathematical method to express the outage probability for a desired radio signal received from a mobile transmitter in the presence of multipath interfering signals with ...
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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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MITIGATION OF FADING EFFECTS IN MULTIPATH CHANNELS
... particular fading model remains a ...combat multipath fading in both Rayleigh and Rician channels is the focus of this ...fast fading and not adequate to combat frequency selective ...
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New Multiple Antennas Method based Energy Detector for Cognitive Radio over Fading Channels
... In this paper we presented a DSP processor to be used as a baseband energy detectorbased spectrum sensingfor cognitive radio (CR) under fading channels. We Derived expression for the average probability of ...
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Orthogonal Frequency Division Multiplexing (OFDM) based Uplink Multiple Access Method Over AWGN and Fading Channels
... introduces fading under various ...AWGN, Rayleigh and Rician fading ...of fading channels, the amount of fading in multipath component is an important parameter which decides ...
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Bit Error Rate (BER) Analysis of Rayleigh Fad...
... communication environment the channel is not time invariant and is slowly ...called Fading. Fading channels induce rapid amplitude fluctuations in the received ...a Rayleigh fading ...
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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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Sensible Spectrum Sensing Cognitive Radio Network using Median Filtering
... For numerous researchers and technocrats, the cognitive radio idea is not limited to a single intelligent radio, but it includes networking functionalities. Cognitive networks (CN) can be defined as intelligent networks ...
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BER Performance Improvement in Multipath Fading Environment Using Combined Equalizer and Diversity Techniques
... Diversity techniques [8] are based on the notion that errors occur in reception when the channel attenuation is large, i.e. when the channel is in a deep fade. If we can supply to the receiver several replicas of the ...
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BER Analysis of DS-CDMA Using LMS Algorithm and Rake Receiver
... of multipath fading .This system is resistant to multipath fading & also use the delayed multipath components to improve the performance of the ...which multipath propagation ...
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Performance Comparison of Cognitive Radio Network by Spectrum Sensing Methods
... radio environment, in which a wireless communication system ...of fading channel, when the signal is free from fading effect or, consider the fading parameter (h) is equal to ...
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Radio Resource Management for Femto Cell Wireless Network Based on MIMO OFDM Communication
... power in the two arrangements of subcarriers. in contrast to the plans in iterative habits, a quick power assignment conspire with a close ideal presentation is created additionally .the main objective Orthogonal ...
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A Unified Approach to BER Analysis of Synchronous Downlink CDMA Systems with Random Signature Sequences in Fading Channels with Known Channel Phase
... Nakagami-m fading environment with known channel ...Nakagami-m fading is a general fading distribution that includes the Rayleigh, the one-sided Gaussian, the Nakagami-q, and the Rice ...
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Linear Pre coding Base on Imperfect CSI in Massive MIMO
... of Rayleigh fading channel and Rician Fading Channel estimation error, this paper firstly studies the influence of channel estimation error on the system, and then designs the pre-coding matrix based ...
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