Muhammad Karam Shehzad

12 Questions 13 Answers 0 Followers

Questions related from Muhammad Karam Shehzad

How to calculate rotation angle of the user's antenna array with respect to moving direction?

I have read in a paper that a variable 'x' is the rotation angle of the user's antenna array with respect to moving direction. I am wondering how can we calculate this variable x? Following...

30 May 2022 4,943 4 View

How to calculate COSINE SIMILARITY between two complex vectors using MATLB?

I have two complex vectors, let's say a and b. How to compute cosine similarity between a and b using MATLAB?

26 January 2022 2,215 4 View

How to calculate Spectral Efficiency of a SU-mMIMO system using available CSI?

Let us say that we have a estimated channel at the BS, denoted by H_e, and actual channel, denoted by H_a. How can we calculate spectral efficiency of a SU-mMIMO system using this information?...

26 January 2022 2,933 4 View

What is the difference between precoding and beamforming?

I've read many posts and papers, where both the terms are used interchangeably. For instance, I read this sentence somewhere: "Codebook-based precoding is a promising new technique of...

25 August 2021 4,431 3 View

Can we use Recurrent Neural Network (RNN) for binary classification?

I have some binary values, lets say 0.5 and -0.5 (remember not 0 and 1), I want to use RNN to predict these values. Is it possible using RNN?

14 June 2021 1,179 8 View

How to quantize a channel matrix (H) which contains complex entries?

I have a channel matrix, H, which contains the complex entries. I want to obtain the quantization of this matrix. For instance, H=[1+2i,2-3i;5+3i,9-8i]; Q(H)? Where Q is a quantization function. I...

12 August 2020 4,990 4 View

How to implement channel prediction (CSI) using Kalman Filter in MATLAB?

I am looking for a MATLAB code to implement channel prediction or channel state information (CSI) using a Kalman filter-based approach. Specifically, for a MIMO environment.

30 May 2020 7,927 3 View

Can we evaluate the performance of Genetic Algorithm (GA) using Mathematical Analysis?

I would like to obtain the closed-form solution of GA for any kind of optimization problem. In short, I would love to compare the analytical and simulation-based results. Is it possible?

17 December 2019 5,781 2 View

How to calculate the speed of a signal by using appropriate distance between two antennas?

By calculating the distance between two antennas and then taking the 'fft' of the received signal, how the speed of the signal can be calculated?

29 November 2019 7,144 4 View

What is the key performance indicator (KPI) of k-means clustering algorithm?

I have implemented the k-means to find the centroids of a cluster, now I want to find the "kpi" of the algorithm.

28 September 2019 9,534 6 View

How to distribute Small cell base stations (2 D plot) using Matern type-I hard-core in MATLAB?

I have all the parameters to distribute SBSs but I don't know how Matern process will be implemented in MATLAB. There is a tool mentioned in the paper "MATLAB built-in integer linear program...

03 April 2018 7,050 9 View

How to add the details of a deceased co-author in the research paper?

One of the co-authors of my research work passed away prior to the submission of the research paper. I would like to acknowledge his contribution to the research. What is the best way of writing...

01 January 1970 3,685 10 View