Direct-sequence spread-spectrum system for transmitting data


Assignment:

A direct-sequence spread-spectrum system uses QPSK modulation for transmitting data. It is required that the bit-error probability be 10r5 and that Ech/I0 ≤ -30.4 dB. Assuming perfect synchronization, what is the minimum number of chips/bit required?

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Other Engineering: Direct-sequence spread-spectrum system for transmitting data
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