Explain how a cdma system works, Computer Networking

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(a) Explain how a CDMA system works?

(b) Explain howWelsh-Hadamard codes are generated. Explain why orthogonality between different spreading codes is important.

(c) Consider an 8-user CDMA system.

The data vector of all users is given by [1,1,1,1,-1,-1,-1,1].

Find the total transmit signal.

 


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