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In this paper, a new scheme for delay parameters measurement in time division multiplexing (TDM) fiber optic interferometric sensor (FOIS) network is proposed. This scheme provides a solution of delay parameters measurement through the variance vector of the reshaped original data. By calculating the correlation between the variance vector and the system's pulse template vector, the scheme is capable...
In this paper, we study feedback stabilization of a linear time-invariant (LTI) multi-input/multi-output (MIMO) discrete-time system with information constraints in both the input and output channels, characterized by the additive white Gaussian noise (AWGN). A signal-to-noise ratio (SNR) constraint model is adopted in studying its communication capacity limits for the underlying MIMO feedback control...
To meet the rapidly growing requirement for universal coverage of high-speed mobile services, wireless cellular networks have been moving towards increasing density. Inter-cell cooperation in such densely deployed networks is becoming more significant than ever before. Among others, data rate estimation is a fundamental issue for inter-cell resource management and optimization. In this paper, we focus...
The traffic load in heterogeneous cellular networks (HCNs) is often unevenly distributed, which results in unbalanced resource allocation among users and underutilized access points. In this paper, we focus on the user association problem in HCNs, which refers to the problem of assigning mobile users to diverse cells. We extend our previous research on the handover scheme for traffic load balance...
This paper studies feedback stabilization of a linear time-invariant (LTI) discrete-time system with information constraints in the input channels, described by additive white Gaussian noise (AWGN). A signal-to-noise ratio (SNR) constraint model is adopted in studying its communication capacity limits. Upper and lower bounds of the least capacity are derived for feedback stabilization in both state...
In view of the existing characteristics that the frequency estimator precision of Rife algorithm and Rife-based improved algorithm have a notable decline when SNR is lower, a new synthetic frequency estimator approach based on interpolation (NSAI) is presented, which integrates both zoom-FFT technology and Rife-based interpolation. The zoom-FFT and interpolation are employed to complement each other...
Visible and near infrared (Vis/NIR) spectroscopy combined with a hybrid calibrations of partial least squares (PLS), BP neural network (BPNN) and least squares-support vector machine (LS-SVM) was investigated to determine the pH values of rice vinegars. Five varieties of rice vinegars and 300 samples were prepared. After some preprocessing, PLS was implemented for calibration as well as the extraction...
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