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By N.N.Bogoliubov

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M Evaluation program of fading counter based BPSK transmission scheme This program is one of example simulations that include fading As for the explanation, you can check Chapter 3. Programmed by H. 0e-6; % Symbol rate % In this case we assume that each sample time is equal % to 1/(symbol rate). % In this case 200 kbps is considered. sr = 1/tstp ; % Arrival time for each multipath normalized by tstp % In this simulation four-path Rayleigh fading is % considered itau = [0, 2, 3, 4]; $% 68 Simulation and Software Radio for Mobile Communications % Mean power for each multipath normalized by direct % wave.

2000 We use this procedure to obtain the BER throughout this book. 4 Definition of a Radio Communication Channel This book analyzes system performance under AWGN and/or multipath fading environments. This section explains AWGN and multipath fading and shows how to simulate an AWGN and multipath fading environment by MATLAB. 2 [2]. 5) where N0 is a constant and often called the noise power density. To simulate in MATLAB, we simply use the built-in function randn, which generates random numbers and matrices whose elements are normally distributed with mean 0 and variance 1.

8 Relationship between the observation time and the update time: (a) observation time = update time and (b) observation time < update time. Rayleigh fading is independently formed in each delay time, by setting the counter adaptively. The fading counter is updated after each simulation loop by adding a value, itnd0, corresponding to the simulation time to it. 5 ms and an observation time of 50 ms. The added value is called the update time. The update time can be adjusted to reduce the simulation time.

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