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Broadband Communication
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Course Name
MSc IT (Master of Science in Information Technology)
Subject Code MT0037 (Broadband Communication)
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PART - A
PART - B
PART - C
Subject : Broadband Communication
MT0037 : PART - C
| Q. 1 | Consider a satellite having 4/6 GHz link. If
the earth station's antenna has 30 m diameter
and the antenna on the satellite has 1.5 in
diameter, the uplink loss and down link loss
incurred is |
| | A) | Uplink = 328.5 dB, downlink = 340.5 dB |
| B) | Uplink = 89.65 dB, downlink = 95.24 dB | | C) | Uplink= 100.47 dB, downlink= 67.2 dB | | D) | Uplink = 99.7 dB, downlink 103.6 dB | | | | | Q. 2 | At the receiver end the signal is
companded, decoded and demultiplexed to
separate 24 individual signals. The
commutators sweep continuously at a rate of
8000 revolutions per second through all 24
signals. Each sample is encoded using |
| | A) | 192 bits |
| B) | 64000 bits | | C) | 3 bits | | D) | 256 bits | | | | | Q. 3 | Select the points true for multiplexing
a) Multiplexing means transmitting more than
one signal on a single channel
b) Multiplexing can be achieved only by sharing
time.
c) Process of multiplexing increases the
bandwidth requireme |
| | A) | a), b), c), d), e) |
| B) | c), d), e) | | C) | a), d), e) | | D) | b), d), e) | | | | | Q. 4 | How many bits are required to achieve a
signal to quantization noise ratio of at least 40
dB? |
| | A) | 5 |
| B) | 6 | | C) | 7 | | D) | 8 | | | | | Q. 5 | Find the necessary clearance for FFZ.
Given the distance of the obstacle from the
transmitter d, = 20 km and from the Rx, dr =
30 km measured along the LOS. The frequency
of transmission is 3GHz |
| | A) | 68.3 m |
| B) | 34.64 m | | C) | 32.48 m | | D) | 8.66 m | | | |
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