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Calculate the maximum allowable path loss in dB between a radio transmitter and a receiver for...
Exercise 4: Calculate the required transmitter power Sr of DSC-SC, SSB, and conventional AM (DSC+...
comms systems theory:
Exercise 4: Calculate the required transmitter power Sr of DSC-SC, SSB, and conventional AM (DSC+carrier) systems for transmitting an audio signal which has a bandwidth of 10 kHz with an output SNR of 40 dB. Assume that the channel introduces a 30 dB power loss and the channel noise is white noise with a power spectral density of η/2-10-9 W/Hz. Assume μ2Sm-0.5 for the conventional AM system.
Exercise 4: Calculate the required transmitter power Sr of DSC-SC,...
As a communications system engineer, you are asked to setup a communication system to serve a distance of 100m using an access point transmitting signals with power 20dBm at the frequency 2.4GHz. The...
As a communications system engineer, you are asked to setup a communication system to serve a distance of 100m using an access point transmitting signals with power 20dBm at the frequency 2.4GHz. The antennas used at the transmitter and receiver side have the gains shown in the picture below. The coaxial cables used to interface the systems to the antennas have losses shown in the picture below What is the received signal power in dBm at the input of the...
Problem As a communications system engineer, you are asked to setup a communication system to serve...
Problem As a communications system engineer, you are asked to setup a communication system to serve a distance of 100m using an access point transmitting signals with power 20dBm at the frequency 2.4GHz. The antennas used at the transmitter and receiver side have the gains shown in the picture below. The coaxial cables used to interface the systems to the antennas have losses shown in the picture below. What is the received signal power in dBm at the input of...
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?
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...
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...
Consider a communication system with a transmission loss of 100 dB and a noise spectral density...
Consider a communication system with a transmission loss of 100 dB and a noise spectral density of 104 W/Hz at the receiver input. If the average message power is 1W, and the bandwidth is 10 kHz, determine the average transmitted power (in kW) required to achieve a post-detection SNR of 40 dB or better when the modulation is: (a) AM DSB-TC with ka-1; and0.1 v. (b) FM w .0000 Hz/v ith kf-10,000, 50,000, and 10
Solve the multi-task problem: The LEO cellular satellite communication system requires the forward link (from satellite...
Solve the multi-task problem: The LEO cellular satellite communication system requires the forward link (from satellite to the earth mobile) signal-to-noise ratio (SNR) in the output of the earth station receiver to be 17dB. The link has the following specifications: Operation frequency f = 6 GHz Receiver antenna gain (earth station), Gr = 0 dB Transmitter antenna gain (satellite), Gt = 3 dB Distance to satellite, d = 1000 km Bandwidth of the receiver, B = 2 MHz Noise...
Consider the satellite relay link with the following parameters. Downlink EIRP of the satellite: 55 dBW...
Consider the satellite relay link with the following parameters. Downlink EIRP of the satellite: 55 dBW Transmit frequency: Receiver noise temperature:700 K Receiver antenna gain Transmitter- receiver distance: 41,000 km System bandwidth: Total system losses (margin): 3 dB 2 GHz 0 dB 50 kHz (a) Find the received signal power in dBW (b) Find the receiver noise level in dBW (c) Calculate the signal-to-noise ratio at the receiver in dB
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...
comms systems theory:
Exercise 4: Calculate the required transmitter power Sr of DSC-SC, SSB, and conventional AM (DSC+carrier) systems for transmitting an audio signal which has a bandwidth of 10 kHz with an output SNR of 40 dB. Assume that the channel introduces a 30 dB power loss and the channel noise is white noise with a power spectral density of η/2-10-9 W/Hz. Assume μ2Sm-0.5 for the conventional AM system.
Exercise 4: Calculate the required transmitter power Sr of DSC-SC,...
As a communications system engineer, you are asked to setup a communication system to serve a distance of 100m using an access point transmitting signals with power 20dBm at the frequency 2.4GHz. The antennas used at the transmitter and receiver side have the gains shown in the picture below. The coaxial cables used to interface the systems to the antennas have losses shown in the picture below What is the received signal power in dBm at the input of the...
Problem As a communications system engineer, you are asked to setup a communication system to serve a distance of 100m using an access point transmitting signals with power 20dBm at the frequency 2.4GHz. The antennas used at the transmitter and receiver side have the gains shown in the picture below. The coaxial cables used to interface the systems to the antennas have losses shown in the picture below. What is the received signal power in dBm at the input of...
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?
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...
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...
Consider a communication system with a transmission loss of 100 dB and a noise spectral density of 104 W/Hz at the receiver input. If the average message power is 1W, and the bandwidth is 10 kHz, determine the average transmitted power (in kW) required to achieve a post-detection SNR of 40 dB or better when the modulation is: (a) AM DSB-TC with ka-1; and0.1 v. (b) FM w .0000 Hz/v ith kf-10,000, 50,000, and 10
Consider the satellite relay link with the following parameters. Downlink EIRP of the satellite: 55 dBW Transmit frequency: Receiver noise temperature:700 K Receiver antenna gain Transmitter- receiver distance: 41,000 km System bandwidth: Total system losses (margin): 3 dB 2 GHz 0 dB 50 kHz (a) Find the received signal power in dBW (b) Find the receiver noise level in dBW (c) Calculate the signal-to-noise ratio at the receiver in dB
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...
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