Consider a direct sequence spread spectrum (DSSS) system attempting to transfer data.

Consider a direct sequence spread spectrum (DSSS) system attempting to transfer data. The DSSS system has a chipping rate of 1 Mcps (1 million chips per sec). A data source provides a 10 Kbps data rate (10 thousand bits/sec) input into that DSSS system, which spreads the signal and transmits it.

1.a.  Calculate the processing gain being used.  Show each of your steps;

b.  If you needed to increase the processing gain for the system, while supporting the same source, how would you do it?

2.a. Describe/explain

b.what are spread spectrum orthogonal codes, ii) why they are useful, and iii) why sometimes those signals with orthogonal codes transmitted do not stay orthogonal?

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