multipath fading signal model
Adaptive Transmitter Precoding for Time Division Duplex CDMA in Fading Multipath Channels: Strategy and Analysis
... Downlink signal model, precoding and receiver The (downlink) signal transmitted from the base station, during the ith symbol interval, can be written ...
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MC DS CDMA System Based on DWT and STBC in Multipath Fading ITU Channels Model
... the multipath channel impairments and still provide high-data rates in a limited bandwidth is the use of an Orthogonal Frequency-Division Multiplexing (OFDM) modulation method and multiple antennas at the ...
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A Comparative Study between Multipath Fading Channels
... Rayleigh Fading channel, Rician Fading channel ...Rayleigh fading channel refers to a multiplicative distortion h(t) of the transmitted signal s(t), as in y(t) = h(t)·s(t)+ n(t), where y(t) is ...
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Enhancing the performance of CDMA 20001x in Rayleigh fading Channel using Space Diversity Technique Ifeagwu E. N. 1, Alor M.O.2 , Abba M. O. 2
... describe fading envelop of the received ...to model multipath fading with no direct line-of-sight (LOS) ...to model propagation paths consisting of one strong direct line of sight ...
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Signal Detection in Space-Time Coded Communication Systems with Imperfect Channel Estimation and Carrier Frequency Offset
... the multipath fading components are incident on the receiver antenna from a common angle of arrival, hence a general model includes multiple CFOs between the different transmit-receive antenna ...
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Performance Improvement in OFDM System with Interleaving and Blanking over Impulse Noise Environment
... frequency-selective fading is another significant source of disturbances for OFDM ...of multipath propagation as well as ...Gaussian model is considered as the impulse noise model and compared ...
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A Digital Phase Locked Loop based System for Nakagami m fading Channel Model
... Racian fading models fall short of describing long distance fading effects with sufficient ...The model proposed by Nakagami uses an adaptive parameter to fading ...Nakagami fading ...
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Area under ROC curve of energy detection over generalized fading channels
... µ fading distribution is based on considering a signal composed of clusters of multipath waves propagating in a non- homogeneous ...This model consists of two formats with µ denoting the ...
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Dual bound Kalman Filter for Signal Estimation in Multipath Fading for MIMO OFDM Communication system
... In signal propagation, the wireless channel model with the diverse effect of time-varying parameters with multipath fading effect is ...a multipath channel, the receiver from different ...
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Frequency estimation in multipath rayleigh-sparse-fading channels
... pilot signal is used for synchro- nization, and this should be as short as possible in order not to decrease the spectral efficiency of the communication ...and signal model; the more a priori ...
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An Adaptive Channel Estimation Algorithm Using Time Frequency Polynomial Model for OFDM with Fading Multipath Channels
... independently when performing the signal detection. The channel estimation algorithms should exploit such correla- tion to improve the accuracy of the estimation. Van de Beek et al. [4] tried to exploit the ...
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Fundamental Limits and Joint Design of Wireless Systems with Vector Antennas
... to multipath fading and other physical environment ...this model, when the channel is ergodic and the receiver has perfect channel knowledge, the capacity scales as min{M, N } log SNR, where M and N ...
151
EM Based Multiuser Detection in Fast Fading Multipath Environments
... their signal strengths from the strongest one to the weakest ...channel model whose noise-whitening filter is obtained by the Cholesky decom- position of the cross-correlation ...
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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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Optimisation of packet scheduling in wireless networks
... telecommunication, multipath is the propagation phenomenon that results in radio signals reaching the receiving antenna by two or more ...of multipath include at- mospheric ducting, ionospheric reflection ...
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FDTD Based Dictionary Matrix for Sparsity-Based through -Wall Radar Imaging
... the model error stemmed from the approximated signal model which does not consider multipath returns or only consider first-order interior wall multipath ...various multipath ...
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DESIGN AND IMPLEMENTATION OF WCDMA RAKE RECEIVER USED IN 3G WIRELESS COMMUNICATION
... by multipath propagation in mobile communications, where we most often don‟t have any line-of-sight between the transmitter and the ...the signal reaches the receiver through a number of different paths, ...
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Improving Signal Strength in Wireless Mobile Communication using Diversity Combining Technique over Rayleigh Fading Channels
... The error probability floor evolves due to performance loss, thus there is a requirement of high energy and high bandwidth to get a desired link. The branches are assumed to be Rayleigh fading. With the increase ...
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Minimization Of Inter Carrier Interference Using Iterative Technique for Mimo-Ofdm
... The model should be able to achieve balance between accuracy and ...transmitted signal from the signal which is polluted by ICIs from various ...
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An Improved Channel Estimation Algorithm Based on Cubic Convolution Interpolation for LOWPM System
... in multipath Rayleigh fading channel is good and is slightly worse only than that in Gauss white noise channel, which shows the ability to anti-multipath fading of LOWPM ...in multipath ...
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