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A general analytical framework based on generalized mutual information is applied to the analysis of massive multiple-input-multiple-output systems with low-resolution output quantization. For Gaussian codebook ensemble and nearestneighbor decoding rule, an equivalence relationship is established for general nonlinear transceiver distortion, that the effective signal-to-noise ratio based on the generalized...
To characterize multipath spatial propagations in three-dimensional space is critical in wireless channel measurements and modeling. Due to the large number of paths and the correlation among multipath signals, the direction-of-arrival (DoA) estimation for propagation paths is a challenging issue. In this letter, we propose a new multipath DoA estimation scheme, named Multipath DoA Estimation by Rotational...
Direct spread spectrum signal with high anti-interference property, It has the characteristics of pseudo noise. Research on direct spread spectrum signal parameter estimation has important practical significance. According to the transmission characteristics of direct spread spectrum signal, using the time domain correlation method to estimate pn code period and using the frequency domain smooth periodogram...
Spectrum Sensing is the first challenge of Cognitive Radio. The signal detection of primary users (PU) is a basic premise of spectrum sensing. In this paper, we adopt a method based on the sample autocorrelation of received signal to detect the existence of primary users' signals. It is called Sample Autocorrelation Matrix (SAM) method. Simulation results by using the randomly the captured digital...
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