General

What is noiseless channel in computer network?

What is noiseless channel in computer network?

An idealistic channel in which no frames are lost, corrupted or duplicated. The protocol does not implement error control in this category.

What is noisy channel and noiseless channel?

Definition of Noisy Channels & Its Types Noiseless Channel: Noiseless Channel means that there will not any kind of disturbance in the path when data is carried forward from sender to receiver.

What is noiseless protocol?

It is a unidirectional protocol in which data frames are traveling in only one direction-from the sender to receiver. The data link layer of the receiver immediately removes the header from the frame and hands the data packet to its network layer, which can also accept the packet immediately.

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What do you mean by noisy channel?

[′nȯiz·ē ′chan·əl] (communications) In information theory, a communications channel in which the effects of random influences cannot be dismissed.

Which gave the maximum data rate of a noiseless channel?

Nyquist’s theorem
Nyquist’s theorem specifies the maximum data rate for noiseless condition, whereas the Shannon theorem specifies the maximum data rate under a noise condition. The Nyquist theorem states that a signal with the bandwidth B can be completely reconstructed if 2B samples per second are used.

What are the two protocols for noisy channels?

Noisy Channels Protocol

  • Stop-and-Wait Automatic Repeat Request. The Stop-and-Wait Automatic Repeat Request (Stop-and-Wait ARQ), adds a simple error control mechanism to the Stop-and-Wait Protocol.
  • Go-Back-N Automatic Repeat Request.
  • Selective Repeat Automatic Repeat Request.

What key factors affect highest data rate for noiseless channel and noisy channel?

Data rate depends upon 3 factors: The bandwidth available. Number of levels in digital signal. The quality of the channel – level of noise.

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What is maximum data rate of a channel with noise without noise?

with these characteristics, the channel can never transmit much more than 13Mbps, no matter how many or how few signals level are used and no matter how often or how infrequently samples are taken.

Which gives the maximum data rate of a noiseless channel?

Nyquist’s theorem specifies the maximum data rate for noiseless condition, whereas the Shannon theorem specifies the maximum data rate under a noise condition. The Nyquist theorem states that a signal with the bandwidth B can be completely reconstructed if 2B samples per second are used.

What is Nyquist bit rate of noiseless channel?

Bit Rate = 2 x bandwidth x l0g2 L In this formula, bandwidth is the bandwidth of the channel, L is the number of signal levels used to represent data, and Bit Rate is the bit rate in bits per second.

How are noiseless channels calculated?

What is maximum data rate of noisy channel?