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Adaptive Equalizers

Two Blind Adaptive Equalizers Connected in Series for Equalization Performance Improvement

Two Blind Adaptive Equalizers Connected in Series for Equalization Performance Improvement

... In this section we compare the equalization performance of our new proposed system with two blind adaptive equalizers connected in series with a system using only a single blind adaptive equalizer. ...

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Importance sampling methodologies for simulation of communication systems with time-varying channels and adaptive equalizers

Importance sampling methodologies for simulation of communication systems with time-varying channels and adaptive equalizers

... In addition to the TS technique, we also present a statistically biased, but simpler tech- nique for using IS with adaptive equalizers which is based on the independence assumption betwe[r] ...

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A New VSLMS Algorithm for Performance Analysis of Self Adaptive Equalizers

A New VSLMS Algorithm for Performance Analysis of Self Adaptive Equalizers

... system. Adaptive linear filter and several types of training algorithms are utilized to imitate various equalizer ...Several adaptive algorithms were intended to attain low BER, quick tracking, and ...

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Convergence Curve for Non Blind Adaptive Equalizers

Convergence Curve for Non Blind Adaptive Equalizers

... non-blind adaptive case, nor a closed-form expression for the convergence time (or number of iteration required for convergence) even when all the channel coefficients are ...

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Channel Equalization using GA Family

Channel Equalization using GA Family

... the equalizers. Use of these algorithms in the design of adaptive equalizers at times fails to provide satisfactory ...(BGA), Adaptive Genetic Algorithm (AGA) and Real coded Genetic Algorithm ...

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A Dynamic Tap Allocation for Concurrent CMA-DD Equalizers

A Dynamic Tap Allocation for Concurrent CMA-DD Equalizers

... This paper proposes a dynamic tap allocation for the concurrent CMA-DD equalizer as a low complexity solution for the blind channel deconvolution problem. The number of taps is a crucial factor which affects the ...

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On the Performance Analysis of One Tap Equalizers in Oversampled OFDM Systems

On the Performance Analysis of One Tap Equalizers in Oversampled OFDM Systems

... The above properties show that oversampling not only improves SNR but helps in avoidance of losing data due to channel nulls at the price of increased FFT complexity and bandwidth loss. Also, SNR can be improved, and ...

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Multirate signal processing concepts in digital communications

Multirate signal processing concepts in digital communications

... MIMO equalizers. Fractionally spaced equalizers (FSE) demonstrate many advantages over symbol spaced equalizers (SSE), such as the existence of an FIR solution and reduced sensitivity to the shift in ...

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BER Performance Improvement in Multipath Fading Environment Using Combined Equalizer and Diversity Techniques

BER Performance Improvement in Multipath Fading Environment Using Combined Equalizer and Diversity Techniques

... The radio channels in mobile radio systems are usually multipath fading channels, which are causing intersymbol interference in the received signal. To remove intersymbol interference from the signal, much kind of ...

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Optimization of multidimensional equalizers based on MMSE criteria for multiuser detection

Optimization of multidimensional equalizers based on MMSE criteria for multiuser detection

... The 3.5 dB of the difference in Eb/N 0 performance between DDFE and MDFE in Fig. 6.8 emphasizes the extensive reduction of the effect of MAI on the received signal due to using cross feedback filters. At the same time, ...

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Synthesis of switched current Ladder Derived Group delay Equalizers

Synthesis of switched current Ladder Derived Group delay Equalizers

... the equalizers order, n, is even, it can be shown that the wave structure has n/2 positive and negative delay cells, (n/2-1) 3-port parallel and series adaptors, and one 2-port parallel ...

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A Novel Efficient Cluster-Based MLSE Equalizer for Satellite Communication Channels with-QAM Signaling

A Novel Efficient Cluster-Based MLSE Equalizer for Satellite Communication Channels with-QAM Signaling

... all equalizers have roughly the same performance, whereas in the case of the second channel (L = 2) the CBSE and the Bayesian equalizers outperform the LTE and the Volterra ...

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Low-Complexity Banded Equalizers for OFDM Systems in Doppler Spread Channels

Low-Complexity Banded Equalizers for OFDM Systems in Doppler Spread Channels

... Figure 9 compares the BER performance of the banded W-MMSE-BDFE with the banded W-MMSE-BLE and the banded MMSE-BDFE. It is evident that the W-MMSE-BDFE outperforms the other two equalizers. Specifically, the W- ...

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Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

... This paper presents an idea of channel equalizer at the transmitter site. The proposed algorithm uses minimum standard deviation and the weight adaptation is performed by calculating the error. Simulation results show ...

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Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

... The impact of the mass media on crime and justice is recognized as substantial, and serious interest in the topic can be traced to a number of historical trials and crimes. The current [r] ...

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Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

... Abstract- We examined effects of sudden change in water temperature (WT) on the stress responses of the cultured olive flounder, Paralichthys olivaceus in large size (FL, 30.2 cm[r] ...

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Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

... In this study new derived method known as Chelvan and Gopal method of measures of reach of scientific output was made using Reach percentage (RP); Reach Activity Index (RAI); Unreach/[r] ...

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Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

... Keywords- Online recognizer, Telugu handwriting recognition, handwritten character recognition, multi-classifier based recognition, support vector machines, Legendre Sobolev coefficient[r] ...

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Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

... The best and sustainable models included the development through sports events to the children through youth leaders who are provided with TOT on and life skills to integrate wit[r] ...

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Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

Performance Analysis of Channel Equalizers in Optical Communication for Next Generation Systems

... Abstract - A new version of a solution of the Leontovich’s integral equation for a current in a linear radiator, accomplished in a form of a thin-wall straight metal [r] ...

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