1. In considering a CDMA system in which assuming that all interferers provide equal power with the users of the system:

a) If 63 users share a CDMA system and each user has a processing gain of 511, determine the average probability of error for each user.

Hint: Use the DSSS Pe Formula in which the thermal noise Eb/No is not a factor.

b).     If the Pe is allowed to increase by
two (2) order of magnitude (an order of magnitude is a multiple of 10, 100,
1000, etc… e.g.,: 1 order of magnitude = 1x10,

2 order = 1 x 102 =
100), what is the change in the number of users in percentages.


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