minimum mean square frequency error
An Efficient High-Throughput for Hard and Soft SC-FDMA MIMO Detectors
... carrier frequency division-multiple access (SC-FDMA) systems, which is suitable for ...a minimum mean square error (MMSE) frequency domain equalizer (FDE) detector and finds ...
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Successive interference cancellation schemes for time-reversal space-time block codes
... in frequency- selective fading ...matching mean and variance and use the already-detected symbols to help current signal ...for frequency-selective and doubly selective fading channels show that the ...
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Pilot Placement for Time Varying MIMO OFDM Channels with Virtual Subcarriers
... orthogonal frequency division multiplexing (MIMO ...least square (LS) channel estimation to obtain the minimum mean square error (MSE) and derive the pilot allocation that can ...
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TEXTURE PATTERN IN ABNORMAL MAMMOGRAMS CLASSIFICATION USING SUPERVISED MACHINE LEARNING TECHNIQUES
... CFOs. Minimum Mean Square Error (MMSE) and Least Square (LS) methods are used to reduce the difference between the reconstructed signal and the obtained signal without utilizing the ...
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Zero Forcing and Minimum Mean Square Error Multiuser Detection in Generalized Multicarrier DS CDMA Systems for Cognitive Radio
... certain frequency bands are occupied and some of the subcarriers in the MC DS-CDMA are sensed having high interference temperature, the OZF-MUD in Figure 3 and the SZF-MUD in Figure 4 can be correspondingly ...
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Performance Evaluation of MMSE and LS Channel Estimation in OFDM System
... Orthogonal Frequency Division Multiplexing (OFDM) got lots interest in mobile communication ...are frequency selective and vary with time for wireless wideband mobile communication ...in frequency ...
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Hybrid Iterative Multiuser Detection for Channel Coded Space Division Multiple Access OFDM Systems
... onal frequency division multiplexing (OFDM) systems assisted by efficient multiuser detection (MUD) techniques have recently at- tracted intensive research ...the minimum mean-square ...
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Improvement in performance of Analog and Digital Beamformer using Channel estimation methods
... in Frequency Selective ...practical frequency selective fading channel parameter is ...Least Square Estimation Technique and Minimum Mean Square Error ...
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ICI cancellation using normalized minimum mean square error in MIMO OFDM systems
... spectral frequency can be ...normalised minimum mean square and the higher achievable data rate is taken for high speed data transmission in wireless ...
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Minimum Mean Square Error Single User Detection of SDMA Signals Transmitted over Nakagami Fading Channels
... In wireless communications Multiple-Input-Multiple-Output (MIMO) systems equipped with multiple antennas at both the transmitter and receiver hold the promise of substantial spec- tral efficiency improvements relative to ...
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Robustness of Bootstrap Estimators to Influential Observations
... the mean square error. Mean square error shows the degree of squared deviations of the errors produced by the ...the mean square errors of the estimators decrease ...
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PERFORMANCE AND COMPARISON OF LINEAR MULTIUSER DETECTORS IN DS-CDMA USING CHAOTIC SEQUENCE
... INTERNATIONAL JOURNAL OF ADVANCES IN ENGINEERING RESEARCH well-known, even though completely deterministic and initial sensitive, have characteristics similar to those of random noise. Surprisingly, the maps can generate ...
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WATERMARKING TECHNIQUE FOR SECURITY
... 365 | P a g e for copyright protection of multimedia data from being misused [2, 3]. Watermarking is the process of embedding data into a multimedia element such as an image, audio or video file for the purpose of ...
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Analyzing Cervical Cancer by using an Ensemble Learning Approach based on Meta Classifier
... In this work, we have used different meta classification techniques on the data set of the factors that cause cervical cancer. Here we have evaluated highest significant ranked features from different feature selection ...
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Modification of Ratio Estimator for Population Mean
... population mean has been proposed under simple random sampling without ...and Mean Square Error) have been obtained up to first order of approximation using Taylor’s Series Expansion and the ...
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Maximum Distortion Attacks in Electricity Grids
... The main results of this paper are inscribed in the context of both centralized and distributed attack construction problems. The setting assumes that the state variables are described by a multivariate Gaussian process ...
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Performance of LTE Channel Estimation Algorithms for Different Interpolation Methods and Modulation Schemes
... At the receiver side, the OFDM demodulator is implemented using an N-point Fast Fourier Transform (FFT) operation to convert the signal back to the frequency domain after removing the CP. channel estimation is ...
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MIMO Assisted Space Code Division Multiple Access: Linear Detectors and Performance over Multipath Fading Channels
... In [18], it has been demonstrated that the STS scheme is an open-loop transmit diversity scheme designed specifically for the CDMA systems employing DS spreading [18], [19]. The downlink performance of the CDMA systems ...
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IJCSMC, Vol. 6, Issue. 1, January 2017, pg.23 – 29 An Efficient Hybrid Approach for Secure Speech Cryptography
... of mean square error and peak signal to noise ratio parameters in case of RSA, DES and Hybridization algorithms concludes that The mean square error is less in case of Hybrid ...
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The Behaviour of Vertical Bell Laboratories Layered Space Time Algorithm Combined with Multiuser Detection Schemes in Wireless Communication System
... decorrelator, Minimum Mean Square Error (MMSE) and Multistage Parallel Interference Cancellation (MPIC) receiver outperform the conventional ...
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