required bit-error rate
Bit Error Rate Analysis of OFDM System with Channel Estimation Error in Rayleigh Fading Channels
... estimaton error in determining the channel response. But, it is required to keep the variance of the estimation error less than a certain threshold, at a given SNR, in order to achieve good ...
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Design of Simulink Model for Constant Envelop OFDM & Analysis of Bit Error Rate
... Where A is the signal amplitude and φ(t) is the information bearing phase signal. The advantage of the CE waveform is that the instantaneous power is constant: Consequently, the PAPR is 0 dB and the required back ...
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TO IMPROVE BIT ERROR RATE OF OFDM TRANSMISSION USING TURBO CODES
... According to the study, it is known that bursty errors can deteriorate the performance of any communication system. The burst errors can happen either by deep frequency fades or by impulsive noise. Power line channel ...
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Bit Error Rate of Orthogonal Frequency Division Multipexing System
... data rate transmission capability at reasonable ...is required which makes use of mathematically tough equalization and channel estimation algorithms to properly estimate the channel, so that the estimation ...
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Bit error rate performance enhancement of orthogonal frequency division multiplexing
... Orthogonal Frequency Division Multiplexing (OFDM), a special form of Multi carrier Modulation (MCM) with densely spaced subcarriers and overlapping spectra was patented in the U.S. in 1970 [2]. OFDM abandoned the use of ...
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Improved Adaptive Bit Error Rate Performance for Fading Channel Communication
... SQUARE ERROR (MMSE) It is clearly seen from the simulation result of MIMO with MMSE without OFDM that, in increase SNR then Probability of error will get ...obtainable error From the following ...
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Comparison of Pre , Post and Symmetrical dispersion Compensation Schemes for 10/15 GBPS using Different Modulation Formats at Various Optical Power Levels using Standard and Dispersion Compensated Fibers
... penalty required to compensate the dispersion impact in the system, It is recommended to use symmetric- and post-DCF schemes for all the simulated optical pulses rather than using pre-DCF scheme at high ...
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A simple model for calculating SIP signalling flows in 3GPP IP multimedia subsystems
... the bit error rate using a logarithmic scale and the y-axis shows the percentage by which the flows increase due to the resending of corrupted ...the bit error rate is equal on ...
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A Fast Soft Bit Error Rate Estimation Method
... the Bit Error Rate (BER) of a digital communications system instead of using the famous Monte Carlo (MC) ...the required simulation run-time, even at very low ...
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Adaptive minimum bit error rate filtering
... statistics required to compute the Wiener solution can be estimated using a block of samples, and, by considering a single-sample estimate, a stochastic gradient adaptive MMSE algorithm, namely the LMS, is ...pdf ...
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Adaptive Minimum Bit Error Rate Beamforming
... ally, the system design should be based directly on minimizing the BER, rather than the MSE. For applications to single-user channel equalization and multiuser detection, it has been shown that the MMSE solution can in ...
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FUZZY ADAPTIVE CODED MODULATION IN WIRELESS NETWORK USING BIT ERROR RATE
... low rate data ...minimum required bandwidth for speech is only 3 ...data rate users can be combined together to transmit in a single channel which has a bandwidth sufficient so that the spectrum can ...
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FPGA-Based Bit Error Rate Performance Measuring of Wireless Systems
... World is moving very fast, and every day, there will be new deployments willo ccur no one have idea. What will be the next technology will emerge in the field of wireless communication, if we go back to our passed there ...
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Bit Error Rate Reduction for Multiusers by Smart UWB Antenna Array
... Abstract—In this paper, a new ultra wideband circular antenna array (UCAA) combining genetic algorithm (GA) to minimize the bit error rate (BER) is proposed. The ultra wideband (UWB) impulse ...
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Channel estimation algorithms and bit error rate analysis of cognitive radio
... square error algorithm to estimate wireless channel coefficients in a CR ...square error, bit error rate analysis using the estimated coefficients is also obtained so as to analyze the ...
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Call Drop Improvement in the Cellular Network by Reducing the Bit Error Rate
... High bit error rate is one of the major factor for call drop in the ...the bit error rate of the system Initially simulated the overall block diagram for a typical mobile ...
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Bit Error Rate Calculation Method for Multiple-hop Relay Systems
... Abstract—Nowaday, multiple-input multiple-output (MIMO) relay systems have been discussed in several published papers. When a link between any transreceiver is bad, it becomes a bottleneck and affects the performance of ...
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Comparison of Bit Error Rate for Multipath Fading Channel in DS CDMA
... Fading is another problem in a multipath channel. This “multipath fading” occurs because in general multipath components arrive with different phases. Multipath propagation causes the signal at the receiver to distort ...
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Bit Error Rate Analysis for MC CDMA Systems in Nakagami Fading Channels
... limit theorem (CLT) approximation. The authors of [5] an- alyzed the BER performance of MC-CDMA systems with a frequency o ff set. The CLT approximation was used in the analysis. A performance analysis using the LLN ...
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Smart Beamforming for Wireless Communications: A Novel Minimum Bit Error Rate Approach
... 1e-4 MMSE decision directed training MBER.. MMSE decision directed training MBER.[r] ...
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