๐ Overview ๐งฎ How to use MATLAB Simulink ๐งฎ Simulation of ASK using MATLAB Simulink ๐งฎ Simulation of FSK using MATLAB Simulink ๐งฎ Simulation of PSK using MATLAB Simulink ๐งฎ Simulator for ASK, FSK, and PSK ๐งฎ Digital Signal Processing Simulator ๐ Further Reading ASK, FSK & PSK HomePage MATLAB Simulation Simulation of Amplitude Shift Keying (ASK) using MATLAB Simulink In Simulink, we pick different components/elements from MATLAB Simulink Library. Then we connect the components and perform a particular operation. Result A sine wave source, a pulse generator, a product block, a mux, and a scope are shown in the diagram above. The pulse generator generates the '1' and '0' bit sequences. Sine wave sources produce a specific amplitude and frequency. The scope displays the modulated signal as well as the original bit sequence created by the pulse generator. Mux is a tool for displaying b...
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๐ Overview of BER and SNR ๐งฎ Online Simulator for BER calculation of m-ary QAM and m-ary PSK ๐งฎ MATLAB Code for BER calculation of M-ary QAM, M-ary PSK, QPSK, BPSK, ... ๐ Further Reading ๐ View Other Topics on M-ary QAM, M-ary PSK, QPSK ... ๐งฎ Online Simulator for Constellation Diagram of m-ary QAM ๐งฎ Online Simulator for Constellation Diagram of m-ary PSK ๐งฎ MATLAB Code for BER calculation of ASK, FSK, and PSK ๐งฎ MATLAB Code for BER calculation of Alamouti Scheme ๐งฎ Different approaches to calculate BER vs SNR What is Bit Error Rate (BER)? The abbreviation BER stands for bit error rate, which indicates how many corrupted bits are received (after the demodulation process) compared to the total number of bits sent in a communication process. It is defined as, In mathematics, BER = (number of bits received in error / total number of transmitted bits) On the other hand, SNR ...
๐ Overview & Theory ๐งฎ MATLAB Code for ASK ๐งฎ MATLAB Code for FSK ๐งฎ MATLAB Code for PSK ๐งฎ Simulator for binary ASK, FSK, and PSK Modulations ๐ Further Reading ASK, FSK & PSK HomePage MATLAB Code MATLAB Code for ASK Modulation and Demodulation % The code is written by SalimWireless.Com % Clear previous data and plots clc; clear all; close all; % Parameters Tb = 1; % Bit duration (s) fc = 10; % Carrier frequency (Hz) N_bits = 10; % Number of bits Fs = 100 * fc; % Sampling frequency (ensure at least 2*fc, more for better representation) Ts = 1/Fs; % Sampling interval samples_per_bit = Fs * Tb; % Number of samples per bit duration % Generate random binary data rng(10); % Set random seed for reproducibility binary_data = randi([0, 1], 1, N_bits); % Generate random binary data (0 or 1) % Initialize arrays for continuous signals t_overall = 0:Ts:(N_bits...
๐ Comparisons among ASK, FSK, and PSK ๐งฎ Online Simulator for calculating Bandwidth of ASK, FSK, and PSK ๐งฎ MATLAB Code for BER vs. SNR Analysis of ASK, FSK, and PSK ๐ Further Reading ๐ View Other Topics on Comparisons among ASK, PSK, and FSK ... ๐งฎ Comparisons of Noise Sensitivity, Bandwidth, Complexity, etc. ๐งฎ MATLAB Code for Constellation Diagrams of ASK, FSK, and PSK ๐งฎ Online Simulator for ASK, FSK, and PSK Generation ๐งฎ Online Simulator for ASK, FSK, and PSK Constellation ๐งฎ Some Questions and Answers Modulation ASK, FSK & PSK Constellation MATLAB Simulink MATLAB Code Comparisons among ASK, PSK, and FSK Comparisons among ASK, PSK, and FSK Comparison among ASK, FSK, and PSK Parameters ASK FSK PSK Variable Characteristics Amplitude Frequency ...
๐ Overview of Energy per Bit (Eb / N0) ๐งฎ Online Simulator for constellation diagrams of ASK, FSK, and PSK ๐งฎ Theory behind Constellation Diagrams of ASK, FSK, and PSK ๐งฎ MATLAB Codes for Constellation Diagrams of ASK, FSK, and PSK ๐ Further Reading ๐ Other Topics on Constellation Diagrams of ASK, PSK, and FSK ... ๐งฎ Simulator for constellation diagrams of m-ary PSK ๐งฎ Simulator for constellation diagrams of m-ary QAM BASK (Binary ASK) Modulation: Transmits one of two signals: 0 or -√Eb, where Eb is the energy per bit. These signals represent binary 0 and 1. BFSK (Binary FSK) Modulation: Transmits one of two signals: +√Eb ( On the y-axis, the phase shift of 90 degrees with respect to the x-axis, which is also termed phase offset ) or √Eb (on x-axis), where Eb is the energy per bit. These signals represent binary 0 and 1. BPSK (Binary PSK) Modulation: Transmits one of two signals...
๐งฎ MATLAB Code for BPSK, M-ary PSK, and M-ary QAM Together ๐งฎ MATLAB Code for M-ary QAM ๐งฎ MATLAB Code for M-ary PSK ๐ Further Reading MATLAB Script for BER vs. SNR for M-QAM, M-PSK, QPSK, BPSK % Written by Salim Wireless clc; clear; close all; num_symbols = 1e5; snr_db = -20:2:20; psk_orders = [2, 4, 8, 16, 32]; qam_orders = [4, 16, 64, 256]; ber_psk_results = zeros(length(psk_orders), length(snr_db)); ber_qam_results = zeros(length(qam_orders), length(snr_db)); for i = 1:length(psk_orders) psk_order = psk_orders(i); for j = 1:length(snr_db) data_symbols = randi([0, psk_order-1], 1, num_symbols); modulated_signal = pskmod(data_symbols, psk_order, pi/psk_order); received_signal = awgn(modulated_signal, snr_db(j), 'measured'); demodulated_symbols = pskdemod(received_signal, psk_order, pi/psk_order); ber_psk_results(i, j) = sum(data_symbols ~= demodulated_symbols) / num_symbols; end end for ...
MATLAB Code for Constellation Diagram of QAM configurations such as 4, 8, 16, 32, 64, 128, and 256-QAM
๐ Overview of QAM ๐งฎ MATLAB Code for m-ary QAM (4-QAM, 16-QAM, 32-QAM, ...) ๐งฎ Online Simulator for M-ary QAM Constellations (4-QAM, 16-QAM, 64-QAM, ...) ๐ Further Reading ๐ Other Topics on Constellation Diagrams of QAM configurations ... ๐งฎ MATLAB Code for 4-QAM ๐งฎ MATLAB Code for 16-QAM ๐งฎ MATLAB Code for m-ary QAM (4-QAM, 16-QAM, 32-QAM, ...) ๐งฎ Simulator for constellation diagrams of m-ary PSK ๐งฎ Simulator for constellation diagrams of m-ary QAM ๐งฎ Overview of Energy per Bit (Eb / N0) ๐งฎ Online Simulator for constellation diagrams of ASK, FSK, and PSK ๐งฎ Theory behind Constellation Diagrams of ASK, FSK, and PSK ๐งฎ MATLAB Codes for Constellation Diagrams of ASK, FSK, and PSK One of the best-performing modulation techniques is QAM [↗] . Here, we modulate the symbols by varying the carrier signal's amplitude and phase in response to the vari...
MATLAB Code for Channel Impulse Response (CIR) ๐ Overview & Theory ๐งฎ MATLAB Code ๐ค How does CIR affect the signal? ๐ ️ How to Mitigate Channel Distortion? ๐ Further Reading MATLAB Script for Simulating CIR This MATLAB script allows you to generate and visualize the channel impulse response (CIR). You can choose to create a 'random' multi-path channel or a near-'ideal' single-path channel to understand their distinct characteristics. % User input for choosing the type of impulse response response_type = input('Enter "random" for random channel impulse response or "ideal" for near-ideal impulse response: ', 's'); if strcmpi(response_type, 'random') % Parameters for random impulse response num_taps = input('Enter the number of taps: '); % Number of taps in the channel d...