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Suppose a digital communication system uses a transmission power of 250 mW and a carrier frequency...
Problem #2: (40 points) Consider the following communication link. Both the transmitter and receivers are properly...
Problem #2: (40 points) Consider the following communication link. Both the transmitter and receivers are properly matched to their respective antennas. Assume that the system nominal temperature is 290 K. A detailed block diagram of the receiver is shown in the figure Determine 1. The effective isotropic radiated power in dBm. 2. The space loss in dB 3. The communication link total losses in dB 4. What would be the received power at the receiver input in dBm? 5. What's...
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?
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...
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 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
For a digital communication system, (i) if the energy per bit is 12 dB and the...
For a digital communication system, (i) if the energy per bit is 12 dB and the noise level is 8 dB, what is the spectral efficiency? (ii) If the channel bandwidth increases, what will happen to the spectral efficiency and Eb/N0. (iii) In a binary communication system with an asymmetric transmitter, bits 0 and 1 are generated with 0.4 and 0.6 probabilities respectively. The receiver receives th e bit stream of data through a noisy channel with the noise mean...
A gsm communication system has the following properties: R=range=2km. P=base station transmitter output power=10W. Gi=base station...
A gsm communication system has the following properties: R=range=2km. P=base station transmitter output power=10W. Gi=base station transmitter antenna gain=12dB. Gr=phone (receiver) antenna gain=3dB. f=frequency of the waves=2GHz. a-) Find the received power at the phone antenna (P.)? (15 points) b-) Find the SNR) in dB at the receiver (phone), if the noise power is N=-90dB ? Is this a "good","average", or "barely acceptable" SNR ? (10 points)
1. Suppose log10(x) = 25. Calculate log2 (x) by calculating x and then calculating log2 (x)....
1. Suppose log10(x) = 25. Calculate log2 (x) by calculating x and then calculating log2 (x). Be sure to show the instructions you gave to R, as well as the value of x and the final result. 2. Find log2 (x), as in (1) without calculating x, by multiplying by something. 3. Suppose log2 (x) = 25. Calculate log10(x) for y = 25 by calculating x and then calculating log10(x). Be sure to show the instructions you gave to R,...
Let us consider the binary digital communication system in which bit 1 is represented by the...
Let us consider the binary digital communication system in which bit 1 is represented by the waveform Acos(ωt) of bit duration T, where ω is the carrier radial frequency and A is the constant amplitude. On the hand, the bit 0 is represented by the following waveform instead (A/10)cos(ωt). During the transmission the channel has introduced the uniform random phase shift Φ and transmitted waveform is affected by zero-mean white Gaussian noise of variance σ2. To demodulate, we perform the...
Problem #2: (40 points) Consider the following communication link. Both the transmitter and receivers are properly matched to their respective antennas. Assume that the system nominal temperature is 290 K. A detailed block diagram of the receiver is shown in the figure Determine 1. The effective isotropic radiated power in dBm. 2. The space loss in dB 3. The communication link total losses in dB 4. What would be the received power at the receiver input in dBm? 5. What's...
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?
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...
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
A gsm communication system has the following properties: R=range=2km. P=base station transmitter output power=10W. Gi=base station transmitter antenna gain=12dB. Gr=phone (receiver) antenna gain=3dB. f=frequency of the waves=2GHz. a-) Find the received power at the phone antenna (P.)? (15 points) b-) Find the SNR) in dB at the receiver (phone), if the noise power is N=-90dB ? Is this a "good","average", or "barely acceptable" SNR ? (10 points)
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