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Space-Time and Channel Codec Parameters

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

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

... non-isotropic parameters and feed them back to the ...fixed parameters of MIMO channels is extended to maximize the capacity of spatially constrained dense antenna ...of space can be achieved by ...

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Blind Channel Estimation for Space Time Coded WCDMA

Blind Channel Estimation for Space Time Coded WCDMA

... MSE Figure 6: Channel MSE versus SNR; four-synchronous-user case. the single-user case. As shown in the figure, the proposed method with the decorrelating and regularized decorrelating front ends closely follows ...

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Research on Channel Codec of DCR System Based on CMX7141

Research on Channel Codec of DCR System Based on CMX7141

... This article introduces a d apply to DCR standard. And in conjunction with DCR standard analysis CMX7141 internal algorithm and simulate these algorithms. Enable the people to have cer- tain understanding to the digital ...

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Video Painting with Space-Time-Varying Style Parameters

Video Painting with Space-Time-Varying Style Parameters

... global parameters, irrespective of objects and their layout in the ...style parameters and stroke orientation for painterly ...style parameters that coherently vary in space and time. ...

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Space-time block coding with imperfect channel estimation and synchronization

Space-time block coding with imperfect channel estimation and synchronization

... 1 Chapter 1 Introduction Since 1897, when Guglielmo Marconi first used radio to contact with ships sailing the English channel, new wireless communications methods and services have been evolved remarkably and ...

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Performance of Block Space Time Code in Wireless Channel Dynamics

Performance of Block Space Time Code in Wireless Channel Dynamics

... block space-time code in wireless channel ...block space-time code is optimally constructed in slow ...block space-time code may not be as good as conventionally ...

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Space Time Codes and Concatenated Channel Codes for Wireless Communications

Space Time Codes and Concatenated Channel Codes for Wireless Communications

... 2) Turbo Convolutional Codes—Interleaver Effects: In Fig. 7, we have seen that a bit-based channel interleaver is employed for the CC, TC, and TBCH codes. Since our performance results are obtained over ...

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Space Time Channel Sounding Method using SAR Approach

Space Time Channel Sounding Method using SAR Approach

... A traditional beamforming method (Bartlett algorithm) [4], [8] has been implemented to compute the DoA. Signals impinging on the antenna array originate from various directions with different delays. This approach steers ...

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Space Time Channel Sounding Method using SAR Approach

Space Time Channel Sounding Method using SAR Approach

... 2 Orange Labs, Wireless Engineering Propagation, 6. av des Usines, 90007 Belfort Cedex Abstract— This paper explores the feasibility of direction of arrival (DoA) measurements with high angular resolution using a hybrid ...

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CiteSeerX — Time Reversal Space Time Block Coding with Channel Estimation and Synchronisation Errors

CiteSeerX — Time Reversal Space Time Block Coding with Channel Estimation and Synchronisation Errors

... perfect channel knowledge and imperfect synchronisation are not presented here it was found that the channel estimation errors dominated over the synchronisation ...to channel estimation and ...

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JOINT SOURCE CHANNEL CODING WITH SPACE TIME TRELLIS CODE MODULATION

JOINT SOURCE CHANNEL CODING WITH SPACE TIME TRELLIS CODE MODULATION

... of channel coding is to protect data against corruption during a wireless or wireline ...of channel codes are convolution codes and block ...as channel code but it is not suitable for high data rate ...

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Maximum Likelihood Blind Channel Estimation for Space Time Coding Systems

Maximum Likelihood Blind Channel Estimation for Space Time Coding Systems

... years, space-time coding is proposed to provide significant capacity gains over the traditional communication systems in fading wireless ...channels. Space-time codes are obtained by combining ...

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Multi-Channel Calibration for Airborne PostDoppler Space-Time Adaptive Processing

Multi-Channel Calibration for Airborne PostDoppler Space-Time Adaptive Processing

... post-Doppler space-time adaptive processing (PD STAP) ...Important parameters and offsets are estimated directly from the radar range- compressed ...Digital Channel Balancing technique based ...

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Serial Concatenation of Turbo Code and Space-time Block Code (Turbo Space-Time Code) over Rayleigh Fading Channel

Serial Concatenation of Turbo Code and Space-time Block Code (Turbo Space-Time Code) over Rayleigh Fading Channel

... called space-time codes for transmission using multiple transmit antennas over Rayleigh or Rician wireless ...actually space- time trellis code that combines signal processing at the receiver ...

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Estimation of Time-Domain Calibration Parameters to Restore MIMO-TDD Channel Reciprocity

Estimation of Time-Domain Calibration Parameters to Restore MIMO-TDD Channel Reciprocity

... the time-domain channel. Simulation results show that the time domain calibration allows to restore the calibration parameters in a MIMO delay spread channel even when antennas are ...

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Comparison of different MIMO system using Space Time Coding in Rayleigh channel

Comparison of different MIMO system using Space Time Coding in Rayleigh channel

... simulate Space Time Coding (STC) MIMO technique and compare that results with traditional SISO ...systems. Space Time Code (STC) gives higher performance of BER by code information in both ...

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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

... 1. INTRODUCTION 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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Channel Estimation and Performance Analysis of MIMO-OFDM Communications using Space-Time and Space-Frequency Coding Schemes

Channel Estimation and Performance Analysis of MIMO-OFDM Communications using Space-Time and Space-Frequency Coding Schemes

... iterative channel estimation technique is proposed for high mobility SFBC-OFDM ...The channel estimation algorithm presented in our work is a SFBC-OFDM technique based on ML ...

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Adaptive Switching between Space Time and Space Frequency Block Coded OFDM Systems in Rayleigh Fading Channel

Adaptive Switching between Space Time and Space Frequency Block Coded OFDM Systems in Rayleigh Fading Channel

... of Space-Time and Space Frequency Coded MIMO- OFDM with simple two branches transmit diversity scheme over time frequency selective ...constant channel response during the trans- ...

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Impact of constraint length on performance of Convolutional CODEC in AWGN channel for image application

Impact of constraint length on performance of Convolutional CODEC in AWGN channel for image application

... MATLAB code of this block has the features of AWGN and also has option to introduce manual errors. Code for the convolutional SOVA decoder has the functions such as de-interleaver, code for branch metric calculation, ...

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