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# Wireless Communication and Walsh Code Matrix

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(a) Graph the theoretical number of users of a CDMA system with a data rate of 9.6 kbs and 14.4 kbs while varying the Voice activity factors from 10% - 100%
(b) Create the Walsh code matrix for a W16.
(c) For IS-95, on the forward link, list the Walsh code assigned to the various logical channels (hint: there are 64 Walsh codes)

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#### Solution Preview

(a) Graph the theoretical number of users of a CDMA system with a data rate of 9.6 kbs and 14.4 kbs while varying the Voice activity factors from 10% - 100%

Solution

CDMA system (TIA IS-95) capacity:
= the total number of users present in the band
= ...

#### Solution Summary

The wireless communications and Walsh code matrix are found. The expert graphs the theoretical number of users of a CDMA system. Solution answers include Matlab code and plots for (a) and a Hadamard matrix for (b).

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