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Signal Processing

Questions tagged [fading-channel]

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I'm trying to apply Rayleigh fading (Jakes' model) to a wideband signal consisting of multiple subbands. The overall signal has a bandwidth of 250MHz, sampled at 500 MHz with a total signal length of ...
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I am trying to plot QPSK constellation under the effect of Rayleigh fading and Gaussian noise. I use two approaches: I use command ...
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I have studied Rayleigh fading as a channel model for fast fading, capturing the received signal power at any time $t$ of the sum of all multipath components as Rayleigh distributed. Currently, I am ...
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I am transitioning from pure mathematics to wireless communications and am particularly intrigued by the mathematical challenges in analyzing Nakagami-m fading channels. These channels are widely used ...
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Edit 1: A few tangential questions are posed in this question to get community help Radar: FMCW | Measurements: Bearing angle, range, and range rate | Application: Aircraft/ship surveillance Example ...
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Suppose I have a scheme of a radar station A transmits a signal to sense a car B moving with velocity $v$ and located at a distance $R$. At the same time node B also sends another signal to node A, ...
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A frequency selective wireless channel is necessarily a multi-tap channel, in the tap-delay line model, as the delay spread is significantly larger than the symbol duration. And a single-tap channel ...
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Let a be a qam symbols vector , they pass through ofdm modulator by applying ifft and adding cyclic prefix and I apply comm.RicianChannel function for modeling rician fading I want to introduce also ...
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I am trying to understand about correlation between random variables in context of wireless communication. In research papers related to 6G, I came across the following statements: Suppose there is a ...
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In my research work in wireless communication, I came across an equation of received signal wherein the AWGN is denoted by $n\sim\mathcal{C}\mathcal{N}(\textbf{0},\textbf{I}_L)$. Note that dimension ...
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I am working on wireless research project and I had query in understanding dimensions. Consider a MIMO system, where a base station with $N$ antennas transmits signal $x$ to receiver with $M$ antennas....
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I am working on a research paper related to wireless communication, wherein I am facing some doubt while writing expression of SNR (which is a ratio of Signal variance in numerator to Noise variance ...
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I am working on a research paper related to wireless communication, wherein I am facing some doubt while writing expression of SINR (which is a ratio of Signal variance in numerator to Interference ...
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In Chapter 3 of the [Goldsmith book] (https://faee.sut.ac.ir/Downloads/AcademicStaff/1/Courses/7/Andrea%20Goldsmith-Wireless%20Communications-Cambridge%20University%20Press%20(2005).pdf) we can see ...
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In wireless communication, when the transmitted signal is $x$ and the received signal is $y$. Please tell me why the formula below holds true. \begin{align} y(t) &= \left( e^{-\jmath 2\pi f_c\...
Ryo Onishi's user avatar
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