A neural-network-based channel-equalization strategy for chaos-based communication systems

Feng, Jiuchao; Tse, Chi Kong; Lau, Francis C. M.

doi:10.1109/tcsi.2003.813966

Cited by 36 publications

(2 citation statements)

References 11 publications

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“…Literature clearly demonstrates that the ANN is the most effective method for equalizing ISI induced by a communications channel [19][20][21][22][23]. The most popular ANN for channel equalization is the single layer multilayer perceptron (MLP).…”

Section: Artificial Neural Network Equalizermentioning

confidence: 99%

A MIMO-ANN system for increasing data rates in organic visible light communications systems

Haigh

Ghassemlooy

Papakonstantinou³

et al. 2013

2013 IEEE International Conference on Communications (ICC)

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This paper presents the first ever experimental demonstration of a multiple-input multiple-output (MIMO) visible light communications system employing four silicon (Si) light emitting diodes (LEDs) and four organic photodetectors (OPDs) as transmitters and receivers, respectively. The proposed link is relatively low cost and it employs the on-off keying (OOK) modulation format offering a data rate of 200 kb/s without the need for equalization, which is a significant increase compared with previous non-equalized systems. In order to speed up date rates further, we implement an artificial neural network (ANN) to classify the signal and correct the error induced by the matrix inversion at the receiver, allowing a gross bit rate of 1.8 Mb/s in the best case.

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Section: Artificial Neural Network Equalizermentioning

confidence: 99%

A MIMO-ANN system for increasing data rates in organic visible light communications systems

Haigh

Ghassemlooy

Papakonstantinou³

et al. 2013

2013 IEEE International Conference on Communications (ICC)

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“…However, blue filtering causes a reduction in the signal power, which results in a much lower SNR (Signal-to-Noise-Ratio) [5] . Alternatively, pre-and post-equalization schemes both in analogue [6,7] and digital [8,9] domains have been used to increase data rates R d . In recent years, utilization of spectrally efficient modulation formats such as OFDM (Orthogonal Frequency Division Multiplexing) has been the focus of increasing attention of researchers, to combat the bandwidth limitations of VLC systems [10] .…”

Section: Introductionmentioning

confidence: 99%

Position encoded asymmetrically clipped optical orthogonal frequency division multiplexing in visible light communications

Saied

Ghassemlooy

Tang

et al. 2017

J. Commun. Inf. Netw.

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A PE-ACO-OFDM (Position-Encoded Asymmetrically Clipped Optical Orthogonal Frequency Division Multiplexing) signaling scheme for intensity modulation and direct detection is introduced in this paper, where the anti-asymmetry characteristics of ACO-OFDM are exploited to improve the rate of data transmission. This is achieved by reducing the symbol duration of the ACO-OFDM signal, where only the first half of ACO-OFDM is used to transmit the ACO-OFDM data symbol after inverting its negative samples to positive ones. In addition, encoded ACO-OFDM samples are combined with every ACO-OFDM symbol to allow the receiver to identify the position of the inverted samples. Simulation results are introduced, and it is shown that the data rates of PE-ACO-OFDM improve by 33% compared with ACO-OFDM, when a 256-quadrature amplitude modulation scheme is considered as the encoded constellation order. It is also shown that the signal to noise ratio of the proposed PE-ACO-OFDM is higher by almost 1 dB compared with the traditional ACO-OFDM.

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Equalization with decision delay estimation using recurrent neural networks

Chagra

Bouani

Abdennour

et al. 2005

Advances in Engineering Software

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A neural-network-based channel-equalization strategy for chaos-based communication systems

Cited by 36 publications

References 11 publications

A MIMO-ANN system for increasing data rates in organic visible light communications systems

A MIMO-ANN system for increasing data rates in organic visible light communications systems

Position encoded asymmetrically clipped optical orthogonal frequency division multiplexing in visible light communications

Equalization with decision delay estimation using recurrent neural networks

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