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The communication channel cannot be separated from noise, interference and fading.
To minimize mutual interference, you can use a scatter code. This research uses Gold Code
with a code length of 31. This simulation aims to determine the effect of the number of multipath
components on the Gold Code performance of multipath fading channels. This simulation uses
digital modulation, namely BPSK (Binary Phase Shift Keying). In the simulation of flat fading
channel with 1 multipath component number, the results of the comparison of simulated BER
with theoretical BER are almost the same so that the simulation results can be said to be valid
and can be used on selective fading channels. In the simulation of frequency selective fading
channels with variations of multipath components have different values, this happens due to
interference. In this simulation, the number of multipath 27 components that have the most
disruptive signals results in the worst performance. In multi-user cross-correlation, it has poor
performance, seen from the cross-correlation function, where the correlation value of user 1
with 2, 3 and 4 is more than 0, this value indicates the user is being interfered with by other
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