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Consider a communication system with a transmission loss of 100 dB and a noise spectral density...
A communication system operates in the presence of white noise with a two-sided power spectral density...
A communication system operates in the presence of white noise with a two-sided power spectral density Sn(w)=10^-14 W/Hz and with a path loss of 20 dB. Calculate the minimum required bandwidth and the minimum required power of the transmitter for a 10 kHz sinusoidal input and a 40 dB output signal to noise ratio if the modulation is a) DSB-SC b) SSB-SC c) FM with Af = 10 kHz
In a broadcasting communication system, the transmitter power is 40 KW, the channel attenuation is 80...
In a broadcasting communication system, the transmitter power is 40 KW, the channel attenuation is 80 dB, and the noise power spectral density is 10-10 W/Hz. The message signal has a bandwidth of 104 Hz and a normalized message signal power of 0.2 Determine the output SNR if the modulation format of the signal is: (a) DSB-SC (b) SSB-SC (c) Conventional AM with a modulation index of 0.85. (d) FM with a frequency modulation index of 3
Q1. A DSB-SC signal is transmitted over a noisy channel with power spectral density of noise...
Q1. A DSB-SC signal is transmitted over a noisy channel with power spectral density of noise given as, 0, otherwise with B-200 kHz and N 10W Hz. The message bandwidth is 10 kHz and its average power is 10 W. Assume A,-1, 100kHz, and the channel attenuates signal power by a factor of 1000 (-30 dB). Assume that a suitable band-pass filter is used at the receiver to limit out-of-band noise. (a) Determine the average signal power at the receiver...
In a broadcasting system, the transmitted signal power is 50 kW, the attenuation of the signal...
In a broadcasting system, the transmitted signal power is 50 kW, the attenuation of the signal is 155 dB (in passing from the input to the transmitting antenna to the output of the receiving antenna), and the available mean power-spectral density of the noise in the system from all sources has a mean power spectral density level 10-18 W/Hz (as if added at the receiving antenna's output). The bandwidth of the message signal m(t) is 8 KHz. Determine the output...
A communication system has a Gaussian pdf with zero mean, o = 1/2 variance and a...
A communication system has a Gaussian pdf with zero mean, o = 1/2 variance and a bandwidth W = 10kHz with noise power No 10-15 W/Hz. The transmission loss power is 100dB. Calculate the transmitted power, St, to achieve the output signal to noise ratio, (Sp)... = 40 dB for each modulation scheme as listed below. Show your all calculations for each modulation scheme in detail and explain your solutions clearly. SSB b. DSB-LC with modulation index u = 1...
8 8.6-4 For a DSB-SC system with a channel noise PSD of Sn() 10-12 and a baseband signal of bandw...
8 8.6-4 For a DSB-SC system with a channel noise PSD of Sn() 10-12 and a baseband signal of bandwidth 5 kHz, the receiver output SNR is required to be at least 47 dB. The receiver is as shown in Fig. 8.30. (a) What must be the signal power Si received at the receiver input? (b) What is the receiver output noise power No? (c) What is the minimum transmitted power Sr if the channel transfer function is He)10-3 over...
4. (5 pts) Suppose that the SNR at the receiver of a communication system is-10 dB....
4. (5 pts) Suppose that the SNR at the receiver of a communication system is-10 dB. If the noise power at the receiver is 5000 × 10-9 W, calculate the signal power (in μW) at the receiver. 5. (5 pts) Assume we have two communication systems, A and B. Suppose SNRA-5, SNRB10 and BA 600 kHz. What is the required channel bandwidth for system B in order to achieve the same maximum transmission rate as system A?
An SSB modulated signal is transmitted over a noisy channel, having a spectral density of N0/2...
An SSB modulated signal is transmitted over a noisy channel, having a spectral density of N0/2 of 2*10-9 W/Hz. The message bandwidth is 4kHz and the carrier frequency is 200 kHz. Assume that the average received power of the signal is -80 dBm. Determine the post-detection SNR of the receiver.
Calculate the maximum allowable path loss in dB between a radio transmitter and a receiver for...
Calculate the maximum allowable path loss in dB between a radio transmitter and a receiver for the following transmission parameters. Assume the free space propagation loss condition. Transmitter's power: 10 Watt. Minimum required SNR (Signal to Noise Ratio) at the receiver: 5 dB. . Transmission channel bandwidth: 25 kHz. Noise power density No-0.8 x 10-9 W/Hz .Transmitting and receiving antenna gains are 1 dBi and 2 dBi respectively
5. Basic Problem. We need to determine the transmitter power for a broadcasting system given the...
5. Basic Problem. We need to determine the transmitter power for a broadcasting system given the following information: . The message has 8 kHz bandwidth and normalized power of 0.5. . The systems uses a channel with 60 kHz bandwidth and attenuation of 40 dB. The power spectral density N10-12 W/Hz. pre-emphasis/de-emphasis is used. » A frequency modulation scheme is to be used. For simplicity, assume no (a) Determine the minimum transmitter power that will achieve a 40 dB SNR...
A communication system operates in the presence of white noise with a two-sided power spectral density Sn(w)=10^-14 W/Hz and with a path loss of 20 dB. Calculate the minimum required bandwidth and the minimum required power of the transmitter for a 10 kHz sinusoidal input and a 40 dB output signal to noise ratio if the modulation is a) DSB-SC b) SSB-SC c) FM with Af = 10 kHz
In a broadcasting communication system, the transmitter power is 40 KW, the channel attenuation is 80 dB, and the noise power spectral density is 10-10 W/Hz. The message signal has a bandwidth of 104 Hz and a normalized message signal power of 0.2 Determine the output SNR if the modulation format of the signal is: (a) DSB-SC (b) SSB-SC (c) Conventional AM with a modulation index of 0.85. (d) FM with a frequency modulation index of 3
Q1. A DSB-SC signal is transmitted over a noisy channel with power spectral density of noise given as, 0, otherwise with B-200 kHz and N 10W Hz. The message bandwidth is 10 kHz and its average power is 10 W. Assume A,-1, 100kHz, and the channel attenuates signal power by a factor of 1000 (-30 dB). Assume that a suitable band-pass filter is used at the receiver to limit out-of-band noise. (a) Determine the average signal power at the receiver...
In a broadcasting system, the transmitted signal power is 50 kW, the attenuation of the signal is 155 dB (in passing from the input to the transmitting antenna to the output of the receiving antenna), and the available mean power-spectral density of the noise in the system from all sources has a mean power spectral density level 10-18 W/Hz (as if added at the receiving antenna's output). The bandwidth of the message signal m(t) is 8 KHz. Determine the output...
A communication system has a Gaussian pdf with zero mean, o = 1/2 variance and a bandwidth W = 10kHz with noise power No 10-15 W/Hz. The transmission loss power is 100dB. Calculate the transmitted power, St, to achieve the output signal to noise ratio, (Sp)... = 40 dB for each modulation scheme as listed below. Show your all calculations for each modulation scheme in detail and explain your solutions clearly. SSB b. DSB-LC with modulation index u = 1...
8 8.6-4 For a DSB-SC system with a channel noise PSD of Sn() 10-12 and a baseband signal of bandwidth 5 kHz, the receiver output SNR is required to be at least 47 dB. The receiver is as shown in Fig. 8.30. (a) What must be the signal power Si received at the receiver input? (b) What is the receiver output noise power No? (c) What is the minimum transmitted power Sr if the channel transfer function is He)10-3 over...
4. (5 pts) Suppose that the SNR at the receiver of a communication system is-10 dB. If the noise power at the receiver is 5000 × 10-9 W, calculate the signal power (in μW) at the receiver. 5. (5 pts) Assume we have two communication systems, A and B. Suppose SNRA-5, SNRB10 and BA 600 kHz. What is the required channel bandwidth for system B in order to achieve the same maximum transmission rate as system A?
Calculate the maximum allowable path loss in dB between a radio transmitter and a receiver for the following transmission parameters. Assume the free space propagation loss condition. Transmitter's power: 10 Watt. Minimum required SNR (Signal to Noise Ratio) at the receiver: 5 dB. . Transmission channel bandwidth: 25 kHz. Noise power density No-0.8 x 10-9 W/Hz .Transmitting and receiving antenna gains are 1 dBi and 2 dBi respectively
5. Basic Problem. We need to determine the transmitter power for a broadcasting system given the following information: . The message has 8 kHz bandwidth and normalized power of 0.5. . The systems uses a channel with 60 kHz bandwidth and attenuation of 40 dB. The power spectral density N10-12 W/Hz. pre-emphasis/de-emphasis is used. » A frequency modulation scheme is to be used. For simplicity, assume no (a) Determine the minimum transmitter power that will achieve a 40 dB SNR...
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