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Simulink Model of a BPSK Direct Sequence Spread Spectrum System

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Simulink Model of a BPSK Direct Sequence Spread Spectrum System

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Maram Y. (view profile)

 

20 May 2013 (Updated )

Model of a BPSK DSS system with two users through an AWGN channel, attached to a BER calculator.

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Description

Input is generated using the Random Integer Generator block, converted to polar (with unipolar we get 3 states after multiplication instead of 4), then multiplied with the output of a PN-Generator.
The data is modulated using BPSK then sent through an AWGN channel.
On the receiver side we multiply with the same PN sequence and demodulate.
The BER-Calculator block compares sent data with received data, and outputs a vector with count of symbols, errors, and the BER.

To add more users simply copy the whole TX and RX part and attach it to the add block after adding another input to it.

Required Products Simulink
MATLAB release MATLAB 7.12 (R2011a)
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Comments and Ratings (3)
29 May 2016 José Chispa  
25 Apr 2016 ali khandan

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18 Jun 2013 oswaldo gerar

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Updates
21 May 2013 1.1

removed note from description.

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