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Telecommunication
Consider that a signal is transmitted over a channel of bandwidth 200 kHz and the total path loss in the channel is found to be 60dB. The noise power per ... is- 100dBm. Determine the required transmit power to achieve data rate of 40kb/s.
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GATE CSE 2022 | Question: 49
Consider a $100 \; \text{Mbps}$ link between an earth station (sender) and a satellite (receiver) at an altitude of $2100 \; \text{km}.$ The signal ... receive a packet of $1000 \; \text{bytes}$ transmitted by the sender is _______________.
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Data Communications and Networks, James Irvine and David Harle, Chapter 8, Question 8.1.2.1
An information source produces 8 different symbols with probabilities 1/2, 1/4, 1/8, 1/16,1/32, 1/64, 1/128, 1/128. These symbols are encoded as 000, ... information per symbol?(ii) What are the probabilities of occurrence for a 0 and a 1?
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Kurose and Ross Edition 6 Exercise 3 Question R9 (Page No 286)
In our rdt protocols, why did we need to introduce sequence numbers?
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Andrew S. Tanenbaum Edition 5 Exercise 4 Question 10 (Page No. 351)
Consider five wireless stations, A, B, C, D, and E. Station A can communicate with allother stations. B can communicate with A, C and E. C can communicate ... are possible?(c) When B is sending to C, what other communications are possible?
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MadeEasy Workbook: Computer Networks - Network Communication
What signal-to-noise ratio is needed to put a T1 carrier on a 50-kHz line?
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MadeEasy Test Series: Computer Networks - Communication
To transmit 100 digitized voice channel using a channel of 20 KHz. what should be the ratio of bits/hertz if we use no guard band. assume the human voice normally contains frequencies from 0 to 4000 hz and assume 8 bits per sample.
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MadeEasy Test Series 2017: Computer Networks - Communication
Assume there are 100 nodes are connected to a 1000 meter length of the coaxial cable. Using some protocol, each node can transmit 50 frames/second, where the average ... place)I got .125 but given is 12.5%?Please check which is correct?
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Transfering Data and Transmitter Power, is there any idea?
We have one 1-MB file that in 1second moved from 1Mhz channel with 60db Attenuation. if the density of power to noise be -174 dBm/Hz, the transmitter power is equal to 1Micro Watt.My question is how this value be calculated? any idea?
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UGC NET CSE | December 2013 | Part 3 | Question: 48
____ is a type of transmission impairment in which the signal looses strength due to the resistance of the transmission mediumAttenuationDistortionNoiseDecibel
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UGC NET CSE | December 2013 | Part 3 | Question: 46
A client-server system uses a satellite network, with the satellite at a height of 40,000 kms. What is the best-case delay in response to a request? (Note that the speed ... ,00,000 km/second)133.33 m sec266.67 m sec400.00 m sec533.33 m sec
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UGC NET CSE | December 2013 | Part 3 | Question: 43
What is the bit rate for transmitting uncompressed 800 $\times$ 600 pixel colour frames with 8 bits/pixel at 40 frames/second?2.4 Mbps15.36 Mbps153.6 Mbps1536 Mbps
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UGC NET CSE | December 2012 | Part 2 | Question: 3
The GSM network is divided into the following three major systems:SS, BSS, OSSBSS, BSC, MSCCELL, BSS, OSSSS, CELL, MSC
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UGC NET CSE | June 2012 | Part 3 | Question: 64
Match the following with link quality measurement and handoff initiation : ... }$\text{(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)}$
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UGC NET CSE | June 2012 | Part 2 | Question: 45
_____ is a satellite based tracking system that enables the determination of person’s positionBluetoothWAPShort Message ServiceGlobal Positioning System
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UGC NET CSE | June 2012 | Part 2 | Question: 39
For the transmission of the signal. Bluetooth wireless technology usestime division multiplexingfrequency division multiplexingtime division duplexfrequency division duplex
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UGC NET CSE | June 2012 | Part 2 | Question: 19
The station to hub distance in which it is 2000 meters100 Base-T$_X$100 Base-F$_X$100 Base-T$_4$100 Base-T$_1$
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UGC NET CSE | June 2014 | Part 3 | Question: 06
In a digital transmission, the receiver clock is $0.1$ percent faster than the sender clock. How many extra bits per second does the receiver receive if the data rate is $1$ Mbps ?$10$ bps$100$ bps$1000$ bps $10000$ bps
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ISRO2014-45
Consider a $50$ kbps satellite channel with a $500$ milliseconds round trip propagation delay. If the sender wants to transmit $1000$ bit frames, ... receive the frame?$250$ milliseconds$20$ milliseconds$520$ milliseconds$270$ milliseconds
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ISRO2015-49
What frequency range is used for microwave communications, satellite and radar?Low frequency$: 30$ kHz to $300$ kHzMedium frequency$: 300$ kHz to $3$ MHzSuper high frequency$: 3000$ MHz to $30000$ MHzExtremely high frequency$: 30000$ kHz
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ISRO2008-9
What is the bandwidth of the signal that ranges from $40$ kHz $4$ MHz$36$ MHz$360$ kHz$3.96$ MHz$396$ kHz
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ISRO2007-24, ISRO2016-67
Bit stuffing refers toinserting a $0$ in user stream to differentiate it with a flaginserting a $0$ in flag stream to avoid ambiguityappending a nipple to the flag sequenceappending a nipple to the use data stream
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ISRO2007-22
Phase transition for each bit are used inAmplitude modulationCarrier modulationManchester encodingNRZ encoding
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ISRO2007-20
If the bandwidth of a signal is $5$ kHz and the lowest frequency is $52$ kHz, what is the highest frequency$5$ kHz$10$ kHz$47$ kHz$57$ kHz
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ISRO2007-13
By using an eight bit optical encoder the degree of resolution that can be obtained is (approximately)$1.8^\circ$3.4^\circ$2.8^\circ$1.4^\circ$
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