Multiple Choice
__________ are utilized to allow synchronization of the receivers between different slots and frames.
A) preamble
B) data
C) guard bits
D) trail bits
Correct Answer:

Verified
Correct Answer:
Verified
Q13: Which system allows larger processing gain?<br>A)direct sequence<br>B)frequency
Q14: TDMA allocates a single time per frame
Q15: The bandwidth of FDMA channel is<br>A)wide<br>B)narrow<br>C)large<br>D)zero
Q16: Fast frequency hopping is<br>A)several modulations per hop<br>B)several
Q17: In which technique is phase coherence hard
Q19: Which of the following is not true
Q20: Which type of demodulator is used in
Q21: Which duration is shorter?<br>A)hop duration<br>B)symbol duration<br>C)chip duration<br>D)none
Q22: The minimum spacing between consecutive hop positions
Q23: _ is based on FDMA/FDD.<br>A)gsm<br>B)w-cdma<br>C)cordless telephone<br>D)amps