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Rayleigh fading channel estimation

Adaptive Channel Estimation for Turbo Decoding

Adaptive Channel Estimation for Turbo Decoding

... on Rayleigh fading channels with noisy channel ...over Rayleigh fading channels is exactly the same as the one used on Additive White Gaussian Noise (AWGN) ...AWGN channel ...

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Fuzzy Modeling for Quality Estimation of Fading Channel

Fuzzy Modeling for Quality Estimation of Fading Channel

... multi-path fading Rayleigh ...the channel noise is tolerable enough to support audio, video and text ...of channel noise. As a result of which the channel becomes vulnerable to signal ...

6

DFT - based channel estimation for OFDM system and comparison with LS and MMSE over Rayleigh and Rician fading channel

DFT - based channel estimation for OFDM system and comparison with LS and MMSE over Rayleigh and Rician fading channel

... is fading which is present when there are multipath ...of fading, channel estimation is required at the receiving ...DFT-based channel estimation approach is simulated and ...

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An Implementation of Nonlinear Multiuser Detection in Rayleigh Fading Channel

An Implementation of Nonlinear Multiuser Detection in Rayleigh Fading Channel

... computational load. An adaptive multiuser detector, which converges to the MMSE detector without requiring train- ing sequences, is proposed in [1]. This detector is designed with incomplete knowledge of the received ...

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Bit Error Rate Analysis of OFDM System with Channel Estimation Error in Rayleigh Fading Channels

Bit Error Rate Analysis of OFDM System with Channel Estimation Error in Rayleigh Fading Channels

... selective channel into many parallel non- frequency selective ...the channel to be perfectly estimated at the ...the channel frequency response (CFR) of OFDM systems [4]-[10]. These channel ...

7

A Study Of Channel Estimation In Fast Fading Environments

A Study Of Channel Estimation In Fast Fading Environments

... of fading channels model (Rayleigh & Rice), LS estimator and MMSE estimator is ...given. Rayleigh fading model is happens when no LOS path exists in between transmitter and receiver, but ...

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Performance comparison of multiuser detectors with channel estimation for flat Rayleigh fading CDMA channels

Performance comparison of multiuser detectors with channel estimation for flat Rayleigh fading CDMA channels

... when channel estimation is not perfect and to investigate the effect of channel estimation error on multiuser ...the Rayleigh flat fading channel as a second order ...

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Frequency estimation in multipath rayleigh-sparse-fading channels

Frequency estimation in multipath rayleigh-sparse-fading channels

... frequency estimation in multipath Rayleigh-fading channels with sparse impulse responses is ...the fading of different path amplitudes are independent from each other, and the additive noise ...

11

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

... (ICFO) estimation problem for dynamic lattice multicarrier transmission (DLMT) system over time-varying Rayleigh fading ...ICFO estimation algorithm is ...ICFO estimation algorithm can ...

8

Improved Predictive Power Control of CDMA System in Rayleigh Fading Channel

Improved Predictive Power Control of CDMA System in Rayleigh Fading Channel

... feedback- channel error, and SIR estimation ...feedback channel and SIR measurement are assumed to be error free, so the paper will focus on the effect of feedback delay and propose to use the ...

6

Adaptive Modulation Performance In Mimo-OSTBC Over Rayleigh Fading Channel

Adaptive Modulation Performance In Mimo-OSTBC Over Rayleigh Fading Channel

... III. S IMULAT ION R ESULT AND A NALYSIS The transmitted M-QAM signaling is first mapped into a constellation size, gray encoded, modulated, filtered and the resulting signal waveform is then sent through the ...

5

Latency Considerations for Adaptive Modulation in an Interference free Slow Rayleigh Fading Channel

Latency Considerations for Adaptive Modulation in an Interference free Slow Rayleigh Fading Channel

... the channel conditions on a slot by slot basis ...the channel correlation between the mobile reception and trans- mission is ...the channel estimation for the down-link transmission, ...

5

An Improved Channel Estimation Algorithm Based on Cubic Convolution Interpolation for LOWPM System

An Improved Channel Estimation Algorithm Based on Cubic Convolution Interpolation for LOWPM System

... 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 ...multipath ...

8

On Error Estimation in Terms of Outage for Rician/Rayleigh Fading Environment

On Error Estimation in Terms of Outage for Rician/Rayleigh Fading Environment

... by fading only for microcellular mobile radio systems have been studied in ...co channel interferers are modeled to be ...be Rayleigh-faded because a direct LOS path between co channel cells ...

5

Linear Pre coding Base on Imperfect CSI in Massive MIMO

Linear Pre coding Base on Imperfect CSI in Massive MIMO

... The estimation of channel state information at the base station in large scale MIMO system directly affects the design of downlink pre-coding matrix and affects the performance of the ...of Rayleigh ...

5

Novel Semi blind Channel Estimation Schemes for Rayleigh Flat Fading MIMO Channels

Novel Semi blind Channel Estimation Schemes for Rayleigh Flat Fading MIMO Channels

... based channel estimation ...based channel estimation techniques, still there is computational complexity related to SVD calculation in WR based technique so there is requirement to pro- posed ...

7

Improved Channel Estimation Algorithm for OFDM System over Slow Fading Rayleigh Channel

Improved Channel Estimation Algorithm for OFDM System over Slow Fading Rayleigh Channel

... selective channel into flat ...the fading channels. The presence of noise along with the multipath fading channel has adverse effect on the performance of Bit Error Rate ...the fading ...

5

An improved method of 
		mimo ofdm 
		channel estimation using chaotic pilot sequence

An improved method of mimo ofdm channel estimation using chaotic pilot sequence

... SISO-OFDM channel estimation using blind and pilot based methods for Rayleigh fading channel have been ...MIMO-OFDM channel estimation using blind and pilot based (with ...

6

Performance of compressive sensing 
		algorithms over time varying frequency selective channel

Performance of compressive sensing algorithms over time varying frequency selective channel

... In a mobility environment, pilot symbols play a significant role in tracking the channel variation over time, if they are appropriately placed over time and frequency. The pilot distribution over the transmission ...

6

Title: Improved Space Time Block Coding Diversity Technique for Rayleigh Fading Channel in Wireless Systems

Title: Improved Space Time Block Coding Diversity Technique for Rayleigh Fading Channel in Wireless Systems

... scenario is to provide the better performance at the user end. Random noise, fading effects and Doppler shift destroy the signal strength in wireless channel. As a result, the Bit Error Ratio (BER) ...

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