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Agness

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Everything posted by Agness

  1. I am studying a Kronecker product to solve a task in signal processing. it is a full correlation matrix of the channel. I know that my question is: How to find R_t , R_r? $ I can find a solution according to Wikipedia article about that ( operation of the Kronecker product). The answers are a unit matrix (2x2) and 0,8*matrix of ones (3x3). But I would like to understand a mathematic calculation. This matrix is easy for calculation without knowing about it. I hope that someone can provide me with more information about the calculation or can explain to me how to find the two matrices of the Kronecker product
  2. I need really your help. I am trying to understand block diagonalization algorithm for multi-user MIMO system. But I guess My main problem is I don't understand the mathematics apparat of calculation SVD and other stuff. let's assume that the channel matrix looks like: Now I would like to calculate HP, where P is a projection matrix into the null space of H. Question 1: What means? **My suggestion:** = 1/2 (1 1 1 1), it is the first row V^H Question 2: Can someone explain me this PS please provide me the exaples
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