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GATE ECE 2007 | Question-63

In a Direct Sequence CDMA system the chip rate is $1.2288 \times 10^{6}$ chips per second. If the processing gain is desired to be AT LEAST $100,$ the data rate

  1. must be less than or equal to $12.288 \times 10^{3}$ bits per sec
  2. must be greater than $12.288 \times 10^{3}$ bits per sec
  3. must be exactly equal to $12.288 \times 10^{3}$ bits per sec
  4. can take any value less than $122.88 \times 10^{3}$ bits per sec
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