adaptive frequency estimation technique
Adaptive low-rank channel estimation for multi-band OFDM ultra-wideband communications
... wireless-connectivity technique increases successfully both the traffic capacity and the frequency ...provide frequency diversity as well as channelization and multiple-access capability among ...
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BER Performance of NLMS Adaptive Channel Estimation Technique for MIMO-OFDM Systems
... modulation technique like Orthogonal Frequency Division Multiplexing (OFDM) [1] could be used to counter ...modulation technique for the downlink of a Long Term Evolution (LTE) system ...channel ...
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Adaptive Channel Estimation Technique in MIMO-OFDM System for Wireless Communication System
... Where, Z represents O/P data vector, H denotes Channel matrix, A denotes I/P data vector and M represents Noise vector. The wireless channel used is AWGN channel. After receiving the signal the CP is removed then the ...
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Context-based adaptive arithmetic coding in time and frequency domain for the lossless compression of audio coding parameters at variable rate
... an adaptive arithmetic coding technique with a time-frequency plane context model (both time and frequency domain are taken into account) was devel- oped, which has led to the improvement of ...
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SNR estimation using extended kalman filter technique for orthogonal frequency division multiplexing (OFDM) system
... as frequency selective ...the frequency selective ...the frequency selective fading and utilize the maximum available capacity of the time varying ...of adaptive OFDM systems depends on the ...
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Adaptive Peak Frequency Estimation Using a Database of PARCOR Coefficients
... peak frequency estimation method using a database of PARCOR coe ffi ...In estimation process, we estimate the PARCOR coe ffi cients from new observations by the LSL algorithm, retrieve a record with a ...
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Adaptive Nonlinearity Estimation of Time Interleaved Analog to Digital Converter using Recursive Least Square Technique
... through estimation of the mismatch or nonlinearity parameters and compensation for signal ...mismatch estimation (calibration). On the other hand, the background estimation methods (blind ...
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Adaptive Window Zero Crossing Based Instantaneous Frequency Estimation
... instantaneous frequency (IF) of a real-valued constant amplitude time-varying ...sinusoid. Estimation of polynomial IF is formulated using the zero-crossings of the ...an adaptive window ...
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Frequency Estimation of Unbalanced Three-Phase Power System using a New LMS Algorithm
... for frequency estimation in power ...for frequency estimation ...demodulation technique was ...an adaptive notch filter was proposed for frequency estimation of a ...
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Adaptive Channel Estimation Technique for MIMO-OFDM
... channel estimation is carried out by evaluating the statistical information of the channel and certain properties of the transmitted ...channel frequency response or impulse response is derived from ...
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An Adaptive EMD Technique for Induction Motor Fault Detection
... extra frequency components in the vicinity of fault characteristic frequen- cy and its harmonics, which will result in false alarms in online IM health condi- tion ...proposed adaptive EMD technique ...
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An FIR Notch Filter for Adaptive Filtering of a Sinusoid in Correlated Noise
... initial frequency estimate does not have to be in very close vicinity of the true ...estimated frequency when the initial value is at the center of the correlated noise band ...true frequency which ...
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Intelligent Mechanisms for Organising of Economic Activity of a Wagon Repair Depot
... Abstract The paper presents the results of researches of intelligent mechanisms of the organizational system functioning and their developments to establish adaptive control system for plant manufacturing. Both a ...
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Time-Frequency Training OFDM: A Novel Technique
... TDS-OFDM is not accurate over fast fading channels. Interference is cause due to TS and OFDM data block. Since the TS length is not large, this IBI can be calculated with relatively low complexity. Since the OFDM block ...
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DATA RATE ENHANCEMENT OF GSM USING OFDM TECHNIQUE
... The ADAPTIVE- OFDM is a special case of multicarrier modulation in which serial stream of data is divided in parallel and modulated by orthogonal sub-carriers with partial overlapping frequency ...the ...
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Importance sampling for the efficient simulation of adaptive systems in frequency nonselective slow Rayleigh fading
... In this paper, we present an IS stochastic technique for the efficient simulation of adaptive systems which employ diversity in the presence of frequency nonselective slow Rayleigh fadin[r] ...
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Research on Moving Target Imaging Method of Ship Based on Velocity Synthetic Aperture Radar
... the adaptive implementation of optimal processing VSAR(AIOP-VSAR) to achieve moving target detection, significantly improving target detection performance of the radar with nonuniform background ...
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BER Performance of NLMS Adaptive Channel Estimation Technique for MIMO OFDM Systems
... Figurе 3: Block diagram of adaptivе transvеrsal filtеr The normalizеd LMS filtеr givеs minimal disturbancе and may be statеd as follows: gradually by differеnt itеrations wеight vеctor w[r] ...
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Complexity Reduction Techniques for MMSE Channel Estimator in OFDM
... The baseband model for a typical OFDM wireless communication system is shown in Fig. 1. The binary data to be transmitted is first mapped using digital modulation scheme 16-quadrature amplitude modulation (QAM). The ...
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Finite-Difference Frequency-Domain Analysis of Linear Arrays of Dielectric Cylinders with the Adaptive Basis Functions/Diagonal Moment Matrix Technique
... The finite-difference frequency-domain (FDFD) method is very flexible to analyze complicated problems and has been widely used in numerical simulations [1–6]. In the classical full-domain FDFD method, the whole ...
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