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Consider binary data transmission at a rate of 56 kbps using baseband binary pulse amplitude
modulation (PAM) that is designed to have a raised-cosine spectrum. The transmission bandwidth
(in kHz) required for a roll-off factor of 0.25 is –––––.
    Correct answer is '35'. Can you explain this answer?
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    Consider binary data transmission at a rate of 56 kbps using baseband ...
    To calculate the required transmission bandwidth, we need to use the formula for the bandwidth of a raised cosine filter:

    B = (1 + α)R

    where B is the bandwidth, α is the roll-off factor, and R is the symbol rate. In this case, R = 56 kbps, and α = 0.25. Therefore:

    B = (1 + 0.25) × 56 kHz
    B = 70 kHz

    Therefore, the required transmission bandwidth is 70 kHz.
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    Consider a simple communication system where multiple nodes are connected by a shared broadcast medium (like Ethernet or wireless). The nodes in the system use the following carrier-sense based medium access protocol. A node that receives a packet to transmit will carrier-sense the medium for 5 units of time. If the node does not detect any other transmission in this duration, it starts transmitting its packet in the next time unit. If the node detects another transmission, it waits until this other transmission finishes, and then begins to carrier-sense for 5 time units again. Once they start to transmit, nodes do not perform any collision detection and continue transmission even if a collision occurs. All transmissions last for 20 units of time. Assume that the transmission signal travels at the speed of 10 meters per unit time in the medium.Assume that the system has two nodes P and Q, located at a distance d meters from each other. P starts transmitting a packet at time t=0 after successfully completing its carrier-sense phase. Node Q has a packet to transmit at time t=0 and begins to carrier-sense the medium. The maximum distance d (in meters, rounded to the closest integer) that allows Q to successfully avoid a collision between its proposed transmission and P’s ongoing transmission is _____. Correct answer is '50 to 50'. Can you explain this answer?

    Consider binary data transmission at a rate of 56 kbps using baseband binary pulse amplitudemodulation (PAM) that is designed to have a raised-cosine spectrum. The transmission bandwidth(in kHz) required for a roll-off factor of 0.25 is –––––.Correct answer is '35'. Can you explain this answer?
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    Consider binary data transmission at a rate of 56 kbps using baseband binary pulse amplitudemodulation (PAM) that is designed to have a raised-cosine spectrum. The transmission bandwidth(in kHz) required for a roll-off factor of 0.25 is –––––.Correct answer is '35'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about Consider binary data transmission at a rate of 56 kbps using baseband binary pulse amplitudemodulation (PAM) that is designed to have a raised-cosine spectrum. The transmission bandwidth(in kHz) required for a roll-off factor of 0.25 is –––––.Correct answer is '35'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider binary data transmission at a rate of 56 kbps using baseband binary pulse amplitudemodulation (PAM) that is designed to have a raised-cosine spectrum. The transmission bandwidth(in kHz) required for a roll-off factor of 0.25 is –––––.Correct answer is '35'. Can you explain this answer?.
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