- In Binary Phase Shift Keying (BPSK), binary data x is transformed into two distinct signal phases and the mapping is given by
, which maps binary 0 to -1 and binary 1 to +1. This results in a signal where the phase (or polarity) is flipped between the two possible binary values.
- In In Amplitude Shift Keying (ASK)/On Off Shift Keying (OOK), binary data x is directly mapped to amplitude levels i.e.,
maps to 0 (no signal) and
maps to A (signal with amplitude A).This results in a signal where the presence or absence of the signal corresponds directly to the binary data.
how to change bpsk modulation by ook modulation for any distribution?
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i do monti carlo simulation for bpsk but i want to do in ook modulation ,then how to change this modilation?
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Shashi Kiran
am 22 Aug. 2024
Hi Manoranjan,
You can find the below code for reference.
binary_data = [0 1 0 1 1 0 1 0];
% BPSK mapping:
bpsk_signal = 2*binary_data - 1; % [-1,1,-1,1,1,-1,1,-1]
% ASK/OOK mapping:
A = 5; % Amplitude for the '1' bit
ask_signal = A * binary_data; % [0,5,0,5,5,0,5,0]
Hope this helps.
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