Q.1.
Zero forced equalizers are used for
Q.2.
The autocorrelation function is maximum at
Q.3.
Which needs more signal power?
Q.4.
Which of the following technique used in CDMA
Q.5.
US digital cellular system based on CDMA was standardized as
Q.6.
Which is easier to implement and is preferred?
Q.7.
The non coherent FSK needs Eb/N0 than coherent FSK.
Q.8.
The DPSK needs Eb/N0 than BPSK.
Q.9.
Which is the main system consideration?
Q.10.
In the frequency of the carrier signal is varied based on the information in an a digital signal
Q.11.
In the amplitude of the carrier signal is varied based on the information in an a digital signal
Q.12.
In modulation , the bit rate is 8 times the baud rate
Q.13.
In modulation , the baud rate is 1/4 times the bit rate
Q.14.
Which of the following is not a characteristic of PN sequence?
Q.15.
symbols.
Q.16.
PN sequence can be generated using .
Q.17.
DSSS system spreads the baseband signal by the baseband pulses with a pseudo noise sequence.
Q.18.
The bandwidth of the channel used in the hopset is called
Q.19.
A TDMA system usesMHz for the forward link, which is broken into radio channels ofkHz. If 8 speech channels are supported on a single radio channel, how many simultaneous users can be accommodated?
Q.20.
of TDMA system is a measure of the percentage of transmitted data that contains information as opposed to providing overhead for the access scheme.