A CDMA system consists of 15 equal-power users that transmit information at a rate of 10,000…

A CDMA system consists of 15 equal-power users that transmit information at a rate of 10,000 bits/s, each using a DS spread spectrum signal operating at a chip rate of 1 MHz. The modulation is binary PSK. a. Determine the Eb/J0, where J0 is the spectral density of the combined interference.

b. What is the processing gain?

c. How much should the processing gain be increased to allow for doubling the number of users without affecting the output SNR?

 

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