Write the comparison of digital modulation techniques
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The three factors that influence the choice of digital modulation system are
• Bandwidth efficiency: the number of bits per second that can be
transmitted per Hertz of channel bandwidth
• Error performance: the probability of making a bit error at the receiver,
as a function of the signal-to-noise ratio
• Equipment complexity: which effectively corresponds to the cost of the
system
• Bandwidth efficiency: the number of bits per second that can be
transmitted per Hertz of channel bandwidth
• Error performance: the probability of making a bit error at the receiver,
as a function of the signal-to-noise ratio
• Equipment complexity: which effectively corresponds to the cost of the
system
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