1. Computer Science Engineering (CSE)
  2. Communication Engineering
  3. Preamble is used for

Preamble is used for

A. detect start of transmission
B. to set automatic gain control
C. to align internal clocks
D. all of the mentioned
Answer» D. all of the mentioned
Explanation: the receiver uses preamble for detecting the start of transmission, to set automatic gain control, and to align internal clocks and local oscillator with the received signal.
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