Unformatted text preview: inefficient. 6.7 QAM takes advantage of the fact that it is possible to send two different signals simultaneously on the same carrier frequency, by using two copies of the carrier frequency, one shifted by 90˚ with respect to the other. For QAM, each carrier is ASK modulated. 6.8 The sampling rate must be higher than twice the highest signal frequency....
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- Fall '14
- highest signal frequency, Khalid ALBaidhani Week4