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space-time fading channel estimation

Analysis of SOSTTC-OFDM based on Least Squares Method

Analysis of SOSTTC-OFDM based on Least Squares Method

... flat fading [1], [2] (i.e. frequency non-selective fading) channels without temporal ...flat fading channel SOBC in the space and time domain show an improved coding gain and ...

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Channel Estimation Technique for STBC coded MIMO System with Multiple ANN Blocks

Channel Estimation Technique for STBC coded MIMO System with Multiple ANN Blocks

... a channel estimation technique based on Artificial Neural Networks (ANN) has been proposed as an alternative to pilot based channel estimation technique for Space-Time Block ...

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Maximum Likelihood Blind Channel Estimation for Space Time Coding Systems

Maximum Likelihood Blind Channel Estimation for Space Time Coding Systems

... over fading channels ...and fading caused by destructive addition of ...of fading due to multipath transmission and improve interference tolerance which in turn can be traded for increase capacity of ...

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Signal Detection in Space-Time Coded Communication Systems with Imperfect Channel Estimation and Carrier Frequency Offset

Signal Detection in Space-Time Coded Communication Systems with Imperfect Channel Estimation and Carrier Frequency Offset

... 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 ...of fading and ...

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Analysis of Rate One Quasi Orthogonal Space Time Block Coding over Rayleigh Fading Channel

Analysis of Rate One Quasi Orthogonal Space Time Block Coding over Rayleigh Fading Channel

... The channel is assumed to be quasi-static slow flat fading and the path gain from transmit antenna n to receive antenna m is denoted by α n m , ...The channel is qua- si-static so that the path gains ...

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Pilot Symbol Assisted Channel Estimation for Space Time Coded OFDM Systems

Pilot Symbol Assisted Channel Estimation for Space Time Coded OFDM Systems

... The mobile wireless channel su ff ers from multipath fading that severely attenuates the received signal during periods of deep fades. Spatial diversity is a well-known technique for improving the ...

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Space-time block coding with imperfect channel estimation and synchronization

Space-time block coding with imperfect channel estimation and synchronization

... multipath fading effect and achieve transmit diversity, due to its high diversity order and low decoding ...the channel state information ...the channel estimation can never be perfect and ...

102

Space Time Coded MC CDMA: Blind Channel Estimation, Identifiability, and Receiver Design

Space Time Coded MC CDMA: Blind Channel Estimation, Identifiability, and Receiver Design

... estimated channel coe ffi - ...that channel estimation for STC-MC-CDMA is less ac- curate than the single-transmit-antenna based MC-CDMA system, particularly when the input SNR is relatively ...

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Blind Channel Estimation for Space Time Coded WCDMA

Blind Channel Estimation for Space Time Coded WCDMA

... Blind estimation or detection algorithms have been pro- posed for space-time coded CDMA ...blind channel estimation technique based on the Capon re- ceiver or the minimum output ...

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Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering

Adaptive Blind Multiuser Detection over Flat Fast Fading Channels Using Particle Filtering

... We propose a method for blind multiuser detection (MUD) in synchronous systems over flat and fast Rayleigh fading channels. We adopt an autoregressive-moving-average (ARMA) process to model the temporal ...

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Code-Aided Estimation and Detection on Time-Varying Correlated Mimo Channels: A Factor Graph Approach

Code-Aided Estimation and Detection on Time-Varying Correlated Mimo Channels: A Factor Graph Approach

... over time-varying fading channels has been studied intensively during the last decade ...and channel interleaving gave rise to astounding performance ...particular, channel in- terleaving ...

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Performance Comparison of MPAM and MQAM in Nakagami m and Rician Fading Channel

Performance Comparison of MPAM and MQAM in Nakagami m and Rician Fading Channel

... The performance of each modulation is measured by calculating its probability of error. High data rate like 16- QAM can transmit 4 bits per symbol. When a large amount of power is available, it is easy to reduce the ...

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1.
													A robust and efficient channel estimation scheme for ofdm systems in frequency selective fading channels

1. A robust and efficient channel estimation scheme for ofdm systems in frequency selective fading channels

... (FS) channel is commuted into an accumulation of flat fading channels, which can be indemnified by simply using an equalizer of ...multipath fading and has capability of high rate ...fast time ...

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Adaptive Channel Estimation for Turbo Decoding

Adaptive Channel Estimation for Turbo Decoding

... Rayleigh fading channels has also been studied since then [3] - ...Rayleigh fading channels by assuming that there is a channel estimator prior to the turbo decoder to provide us with an unbiased ...

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INPULSE noise estimation in frequency selective fading channel

INPULSE noise estimation in frequency selective fading channel

... Impulse estimation based approach leads signal distortion in noise free region or regions with Gaussian ...based channel decoder as simplest receiver and reed Solomon based channel decoder as a ...

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Robust frequency-domain turbo equalization for multiple-input multiple-output (MIMO) wireless communications

Robust frequency-domain turbo equalization for multiple-input multiple-output (MIMO) wireless communications

... phase estimation and compensation algorithm to combat the phase distortion caused by CFOs and reliably detect equalized ...(FD) channel estimation algorithm based on an interpolation method to track ...

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Title: Performance Analysis of Channel Estimation in MC-CDMA over OFDM in Fading & Non Fading Channel Environment

Title: Performance Analysis of Channel Estimation in MC-CDMA over OFDM in Fading & Non Fading Channel Environment

... Abstract— Multi-carrier code division multiple access (MCCDMA)systems receive a great deal of attention due to their great potential in achieving high data rates in wireless communication. This paper presents the ...

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Space-Time Coding and Space-Time Channel Modelling for Wireless Communications

Space-Time Coding and Space-Time Channel Modelling for Wireless Communications

... The idea of precoding based on fixed parameters of MIMO channels is extended to maximize the capacity of spatially constrained dense antenna arrays. It is shown that the theoretical maximum capacity available from a ...

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Wideband Burst by Burst Adaptive Modulation Using Reduced Complexity In Phase/Quadrature Phase Turbo Equalization

Wideband Burst by Burst Adaptive Modulation Using Reduced Complexity In Phase/Quadrature Phase Turbo Equalization

... near-instantaneous channel conditions. When the channel quality is low, lower-order modulation modes are selected, in order to improve the mean Bit Error Rate (BER) performance and similarly, higher-order ...

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Timing and Integer Frequency Offset Estimation for DLMT System over Time Varying Rayleigh Fading Channel

Timing and Integer Frequency Offset Estimation for DLMT System over Time Varying Rayleigh Fading Channel

... In this paper, we study the TO and ICFO estimation problem for DLMT system over time-varying Rayleigh fading channel. Firstly, a novel preamble structure based on two constant amplitude zero ...

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