fast fading rate channels
Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering
... error rate (BER) performance of the proposed PFDs and SMDs are studied through ...the fading process, which was normalized to have a unit power, and thus the signal-to-noise ratio (SNR) was obtained by 10 ...
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Effect of power and rate adaptation on the spectral efficiency of MQAM/OFDM system under very fast fading channels
... Figure 6 shows the average spectral efficiency of adap- tive OFDM systems as well as of non-adaptive OFDM for different speeds. It also indicates that a higher speed result in lower average spectral efficiency, mainly due to ...
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Security gap analysis of some LDPC coded transmission schemes over the flat and fast fading Gaussian wire tap channels
... error rate can be used as a measure of reliability and security over the wire-tap channel when practical, finite length codes are used for transmission, and the security gap is an error rate based metric ...
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Approximate Minimum Bit Error Rate Equalization for Fading Channels
... error rate (BER) using a fast approximation of its gradient with respect to the equalizer ...a fast adaptive channel state estimator, the new equalization algorithm yields better performance than the ...
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A Receiver Structure for Frequency Flat Time Varying Rayleigh Channels and Performance Analysis
... for fast-fading channels have been proposed [8]- ...bit rate, introduces delay, and requires buffer space at the receiver for channel ...with fast fading, using a low-pass ...
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STBC-based Time-Frequency Training OFDM over Fast Fading Channels with SNR and BER
... ABSTRACT: Orthogonal Frequency Division Multiplexing (OFDM) is recognized as high data rate transmission technique. Further, applications of space-time block coding (STBC) to the OFDM system may help in combating ...
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Deterministic Modeling and Long Range Prediction of Fast Fading Channels with Applications to Mobile Radio Systems
... part of the channel above the threshold. The SNR is shown as dashed line (circles) in Figure 3.26 and the corresponding prediction MSE is shown in Figure 3.27. The performance of this method is very good for ...
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Secret Sharing over Fast Fading MIMO Wiretap Channels
... the fading and MIMO wiretap ...key rate is achievable when the destination and eavesdropper channels are two conditionally independent (given the source input symbols) memoryless binary ...
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Performance Analysis On Channel Estimation Of OFDM Reception In Multipath Fast Fading Channels Using PSO
... channel estimation due to increased channels are needed to be determined. The channel estimation technique is created on the basis of the signal correlation and extraction of MAI. The wave amplitude estimation and ...
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Energy Efficient Video Transmission over Fast Fading Channels
... bit rate, for a small bu ff er, the energy saving comes mainly from the transmission energy component, while for large bu ff er sizes, the savings comes mainly from the receiving energy ...bit rate stream at ...
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Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering
... error rate (BER) performance of the proposed PFDs and SMDs are studied through ...the fading process, which was normalized to have a unit power, and thus the signal-to-noise ratio (SNR) was obtained by 10 ...
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An Efficient Fixed Rate Transmission Scheme Over Delay-Constrained Wireless Fading Channels
... We further compare FRT and JQLA under different λ in Figure 4. The FRT curves are with the optimal S which is obtained by discrete full search. In practice, the optimization of S for FRT can be done in a rough way since ...
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Fading Performance Evaluation of Adaptive MSER Beamforming Receiver for QAM Systems
... Rayleigh fading environments. An adaptive minimum symbol error rate design, referred to as the least symbol error rate, is shown to be capable of successfully operating in fast fading ...
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Effectiveness of Frequency-Domain Correlative Coding for MIMO-OFDM Systems Over Time Selective Rayleihg Fading Channels Offia Innocent.S, Udeh Ikemefuna James, Eke J Department of Electrical Electronic Engineering Enugu State University of Science and Technology, Enugu State Nigeria
... In obtaining the numerical results, I consider a system with two transmit an-tennas and two receive antennas which employs BPSK modulation and adopt the “SUI-5” channel model. The time-selective Rayleigh fading ...
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Modelling and Simulation of Multipath Fading Channels for Comparative Analysis of Different M-Array Modulation Schemes
... local area networks (WLANs), Bluetooth, Local Multipoint Distribution Systems (LMDS), satellite communications and radio frequency identification (RFID) operating at frequencies extending into the millimeter-wave regime ...
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Performance Comparison of Multipath Rayleigh Fading Channels using M-PAM and Rectangular QAM Schemes in Digital Communication Systems
... Rayleigh fading channels is ...Error Rate gradually decreases. Comparing the Bit Error Rate of tables 1, 2, 3,4 and 5, it is observed that 128 QAM modulation scheme produces a very low bit ...
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A Novel Mgf Based Analysis of Channel Capacity of Generalized-K Fading with Maximal-Ratio Combining Diversity
... small-scale fading severity, whereas parameter k > 0 inversely reflects the shadowing ...Generalized-K fading is the distributions based on two parameters (k and m), Equation (1) can be used to describe ...
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Optimal Training for Time-Selective Wireless Fading Channels Using Cutoff Rate
... ff rate of the time-selective fading channel with perfect CSI in ...independently fading channels.(The e ff ect of in- terleaving on the cuto ff rate was studied in [19] for a class of ...
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Bit Error Rate Analysis for MC CDMA Systems in Nakagami Fading Channels
... error rate (BER) of multiuser MC- CDMA systems in frequency-selective Nakagami-m fading ...independent fading channels, which are not necessarily identically ...
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CONCATENATED TCM AND BCH FOR 8- PSK OVER RAYLEIGH AND AWGN CHANNEL
... Communication over space experiences signal fading. These systems have to operate over fading channels. Both AWGN and Rayleigh fading channels were considered in this paper. Bandwidth ...
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