1. A line has a signal-to-noise ratio of 1000 and a bandwidth of 4000 KHz. What is the maximum data rate supported by this line?
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- A line has signal to noise ratio of 1000 and a bandwidth of 4000 kHz. What is the maximum data rate supported by this line?What is the maximum data rate if that same system is subject to noise, with an average power level of 600 and an average noise level of 200?Assume that, in a Stop-and-Wait system, the length of the line is 10 Km, the volume of the pipe is 5Kbytes, and 1 bit takes 40 milliseconds to make a round trip. What is the bandwidth of the line?
- 112. The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is a. 6200 bps b. 9500 bps c. 31000 bps d. 37000 bpsData communication Suppose that the spectrum of a channel is between 8 MHz and 10 MHz, and the intended capacity is 8 Mbps. a. What should be the signal-to-noise ratio (SNR) to obtain this capacity? Constant values= c=3x^10°m/s, k=1,38x^10231/K IWhat is the channel capacity for a signal power of 100 W, noise power of 20 W and a bandwidth of 4 kHz of a digital system?
- Assume that a voice channel occupies a bandwidth of 8 kHz. We need to multiplex 10 voice channels with guard bands of 1000 Hz using FDM. Calculate the required bandwidth1) What is the major factor that makes coaxial cable less susceptible to noise than twistedpair cable? (a) Inner conductor (b) Diameter of cable (c) Outer sheath (d) Insulating material 2) Aliasing can be defined as errors occurring when (a) The sample rate exceeds twice the input frequency.(b) The bandwidth is less than the input frequency.(c) The number of bits per sample is low.(d) The sampling signal has been incorrectly identified. 3) In _______encoding, three levels are used: positive, zero, and negative. (a) Unipolar RZ (b) Bipolar RZ (c) Polar NRZ (d) Manchester NRZ 4) The ________ rate defines the number of data elements sent in 1sec; the ______ rate isthe number of signal elements sent in 1sec. (a) data; signal (b) signal; data (c) bit; baud (d) baud; bit5) The channel capacity of a noiseless channel can be improved by (a)Increasing the signal-to-noise ratio. (b) Decreasing the channel bandwidth.(c) Applying error correction technique. (d) Applying M-ary modulation scheme. 6)…Calculate the theoretical maximum channel capacity of a noisy channel with bandwidth 6 kHz if the signal-to-noise ratio is 27 dB. Give your answer to 3 significant figures and state what noise properties are assumed.
- An analog signal carries 4 bits in each signal unit. if 1000 signal units are sent per second, then baud rate and bit rate of the signal are____ and___.Computer science What is the maximum number of slots in a TDM frame if n signal sources with the same data rate are to be sent at the same time?A mobile station traveling at a speed of 60 km/h transmits at 900 MHz. If it receives or transmits data at a rate of 64 kbps, is the channel fading slow or fast?