Transmission failure is caused by three factors: attenuation, distortion, and noise. What precisely is the issue, and how can it be resolved so that things run more smoothly?
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- Suppose a signal travels through a transmission medium and its power is reduced to one-half. What would be the attenuation (loss of power)?If the signal at the end of a 6km cable has a power value of 2, if you knew that this cable loses 0.5 dB per km (i.e. -0.5 dB/km), then the power of the signal at the beginning of the cable was ..............Noise is a type of transmission impairment in which an outside source such as crosstalk corrupts a signal. Explain?
- Attenuation, distortion, and noise are the three factors that contribute to transmission failure. What exactly is the problem, and how can we fix it so that things go more smoothly?is a sort of transmission impairment in which the signal weakens because to the transmission medium's resistance.If you are using a connection with transmission rate of 64000 bps and a 3200 Km/s propagation speed, then it would take you ...................... milliseconds to carry a bit for a distance of 160Km.
- Suppose a signal travels through a transmission medium and its power is reduced to one-half. What is the attenuation in decibel?Why does boosting a signal reduce the system's dependability?A BCD code is being transmitted to a remote receiver. The bits are A3, A2, A1, and A0, with A3 as the MSB. The receiver circuitry includes a BCD error detector circuit that examines the received code to see if it is a legal BCD code (i.e., =1001). Design this circuit to produce a HIGH for any error condition
- A system has a bandwidth of 4 kHz and a signal-to-noise ratio of 32 dB at the input to the receiver. Calculate (a) its information-carrying capacity and (b) the capacity of the channel if its bandwidth is doubled, while the transmitted signal power remains constant.Suppose that you noticed that flying two 60 mile trips was too much for a pigeon and you had to let the pigeon rest for 2 hours before returning. How does the “Winston Channel” compare to DSL under this circumstance?Calculate the minimum timeout value for a stop-and-wait algorithm running over a 50-meter point-to-point copper link. Assume a minimum delay of 5 µs at the receiver. If you know the distance between two points, you can calculate the speed-of-light latency, although you have to be careful because light travels across different media at different speeds: It travels at 3.0 × 108 m/s in a vacuum, 2.3 × 108 m/s in a copper cable, and 2.0 × 108 m/s in an optical fiber.