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fading mobile satellite channel

Wideband Modeling of Land Mobile Satellite Channel in Built Up Environment

Wideband Modeling of Land Mobile Satellite Channel in Built Up Environment

... Mobile satellite communication systems are designed to provide truly global coverage using constellation of low, medium, or geostationary earth orbit ...scale fading, which causes severe signal ...

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Maximal Ratio Combining SC-FDMA Performance over Land Mobile Satellite Rice fading Channel

Maximal Ratio Combining SC-FDMA Performance over Land Mobile Satellite Rice fading Channel

... The mobile satellite broadcasting field is showing a constant raise in the demand for superior transmission quality and elevated number of services in order to stay on balance with analogous terrestrial ...

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Crypto-Coding as RSA-Turbo for Land Mobile Satellite Channel

Crypto-Coding as RSA-Turbo for Land Mobile Satellite Channel

... Abstract—Fading in wireless media is a major difficulty in reliable communications, hence secured data transmission over an unreliable channel needs an additional step of error- correction coding. In this ...

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State modelling of the land mobile propagation channel for dual satellite systems

State modelling of the land mobile propagation channel for dual satellite systems

... two satellite signals depending on their azimuth separation ...statistical channel model for two correlated satellites based on first-order Markov chains was developed ...corresponding channel model ...

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Effect of cyclic prefix in BER improvement in MIMO-OFDM system

Effect of cyclic prefix in BER improvement in MIMO-OFDM system

... the channel effects are constant (flat) over a given ...selective fading channels into parallel flat fading sub channel, as long as the cyclic prefix (CP) inserted at the beginning of each ...

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Mean Square Error of Blind Channel Estimation Using a Constant Modulus Algorithm

Mean Square Error of Blind Channel Estimation Using a Constant Modulus Algorithm

... the channel state information can be obtained by using channel estimation at the receiver, because the OFDM system using coherent modulation needs channel state information to decode the transmitted ...

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Radio Resource Management for Femto Cell Wireless Network Based on MIMO OFDM Communication

Radio Resource Management for Femto Cell Wireless Network Based on MIMO OFDM Communication

... supported channel estimation strategy is for the most part utilized to get direct state data in remote correspondence ...based channel estimation technique can incredibly diminish the pilot overhead ...

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Improving Signal Strength in Wireless Mobile Communication using Diversity Combining Technique over Rayleigh Fading Channels

Improving Signal Strength in Wireless Mobile Communication using Diversity Combining Technique over Rayleigh Fading Channels

... multipath fading arises, to mitigate multipath fading in wireless channel transmitter power control method is used, in this method transmitter on other side of the link preprocessed the signal ...

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An opportunistic cognitive radio communication through the exploitation of the small scale fading mechanisms of the LTE mobile channel

An opportunistic cognitive radio communication through the exploitation of the small scale fading mechanisms of the LTE mobile channel

... telecommunication field (i.e., researchers, industry, service providers, and regulatory agencies) as a way of facing the spectrum scarcity. In this regard, and after having reviewed the vast activity linked to this ...

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ADAPTIVE BIT INTERLEAVED CODED MODULATION FOR MOBILE RADIO OFDM SYSTEMS BY USING RICIAN FADING CHANNEL

ADAPTIVE BIT INTERLEAVED CODED MODULATION FOR MOBILE RADIO OFDM SYSTEMS BY USING RICIAN FADING CHANNEL

... NOW a day’s industries require some special techniques due to increase in wireless communications. These techniques should solve the communication related problems and challenges and improves the quality of service. When ...

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Dynamic Selection of Relay Node Based on Channel Fading Coefficient for Reentry Hypersonic Vehicles

Dynamic Selection of Relay Node Based on Channel Fading Coefficient for Reentry Hypersonic Vehicles

... and channel characteristics under the dynamic plasma sheath ...small channel capacity and play a certain ...the channel capacity continues to decline; therefore, the channel capacity still ...

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On capacity of fading channels with no channel state information

On capacity of fading channels with no channel state information

... Rician fading with Rician factor K = ...utilising channel estimator and detection. 17 1.4 Shannon’s channel model used to present a communication ...

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Fuzzy Modeling for Quality Estimation of Fading Channel

Fuzzy Modeling for Quality Estimation of Fading Channel

... the fading channel, for ...of channel parameters – signal-to-noise (SNR) ratio and Doppler ...fading channel. In [4] the authors have proposed a multipath fading model to analyze ...

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Molecular channel fading due to diffusivity fluctuations

Molecular channel fading due to diffusivity fluctuations

... effective channel capacity, designing effective coding and advancing signal processing ...the channel gain is φ(d, t), the transmitted signal is x, and the additive noise is ...

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Mm Wave for MIMO systems in fading channel

Mm Wave for MIMO systems in fading channel

... the channel matrix according to the channel model described in Section ...effective channel paths is L = ...perfect channel state information (CSI) ...

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On Channel Estimation for Analog Network Coding in a Frequency Selective Fading Channel

On Channel Estimation for Analog Network Coding in a Frequency Selective Fading Channel

... the channel cross-correlation ...Gaussian channel is ...the channel frequency selectivity is present due to many propagation paths having different time ...likelihood channel estimation is ...

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A Study Of Channel Estimation In Fast Fading Environments

A Study Of Channel Estimation In Fast Fading Environments

... In channel estimation, instead of use training-based channel estimation, the DFT-based channel estimation technique must be used because it was been derived to improve the performance of LS or MMSE ...

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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

... Orthogonal frequency division multiplexing modulated by a low rate data stream. Each carrier in the available spectrum of OFDM is derived into many carriers. In OFDM, spectrum is used with more efficacy as the channels ...

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Index Terms MANET, Fading Channel, Rician Fading, speed of nodes.

Index Terms MANET, Fading Channel, Rician Fading, speed of nodes.

... wireless channel has several propagation effect like reflection, diffraction and scattering which occurs may be due to certain ...in mobile communication ...and fading is the two main characteristics ...

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Performance Analysis of WiMAX Network For Multipath Fading Channel In Mobile WiMAX

Performance Analysis of WiMAX Network For Multipath Fading Channel In Mobile WiMAX

... Wireless channel presented by a time-varying broadband wireless ...multipath Fading Channel with different modulation type, coding and multi requirement and conditions that can be used to as a ...

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