A communication system has a bandwidth of 100 MHz and an SNR (db) of 33 db....
A communication system has a bandwidth of 100 MHz and an SNR (db) of 33 db.
-
What is the theoretical maximum data rate (R) on this channel?
-
How many signal levels (symbols) do we need to achieve this data rate?
-
If we want to increase the maximum data rate to 10 Gbps, what SNR (db) do we need on this
medium?
Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
A communication system has a bandwidth of 100 MHz and an SNR
(db) of 33 db....
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?
Determine the bandwidth for a communication channel that has an SNR of 35 dB and capable...
Determine the bandwidth for a communication channel that has an SNR of 35 dB and capable of transmitting the data rate at 37.2 Kbps.
(a) Consider a digital communication system with a frequency band ranging from 3 MHz to 4...
(a) Consider a digital communication system with a frequency band ranging from 3 MHz to 4 MHz. It is required to operate without unacceptable bit errors for which let the required SNR min = 24dB. Compute the channel transmission capacity for this minimum value of SNR. (b) Let us consider a Nyquist channel capacity formula C = 2B log2 (M) (in bits/second) where M is the number of signal levels per second, and B is the bandwidth assumed in part...
Consider a point-to-point channel. Assume the bandwidth of the channel is 5 MHz and the signal-to-noise...
Consider a point-to-point channel. Assume the bandwidth of the channel is 5 MHz and the signal-to-noise ratio of this channel is 24 dB. a) What is the capacity of this channel? b) How many signal levels are required to achieve the above maximum transmission rate?
Consider a channel with a bandwidth of 1MHz with SNR of 35 dB 1) what is...
Consider a channel with a bandwidth of 1MHz with SNR of 35 dB 1) what is the maximum bit rate to achieve any arbitrarily small errors 2) what will be the band rte if 16QAM is used? 3) what will be the band rate if 1024 QAM is used?
3.18. Given the narrow (usable) audio bandwidth of a telephone transmission facility, a nominal SNR of...
3.18. Given the narrow (usable) audio bandwidth of a telephone transmission facility, a nominal SNR of 56 dB (400,000), and a certain level of distortion a. What is the theoretical maximum channel capacity (kbps) of traditional telephone lines? b. What can we say about the actual maximum channel capacity?
Question # B.4 An RF system having a RF-bandwidth of 1 MHz, has a front-end preamplifier of gain ...
WRITE LEGIBLY OR TYPE THE ANSWERS WITH EXPLANATIONS
THANKS!!!
Question # B.4 An RF system having a RF-bandwidth of 1 MHz, has a front-end preamplifier of gain (A) equal to 20 dB and a noise-figure (NF) of 4 dB. The preamplifier is followed by a mixer stage with a NF 18 dB. Suppose the signal-to-noise ratio (SNR) at the mixer output is 30 dB, find the SNR at the preamplifier input. Hint: Use Friis formula F21F (Answer hints: NF (Total)...
Noise-related problems Question # B.4 An RF system having a RF-bandwidth of 1 MHz, has a...
Noise-related problems Question # B.4 An RF system having a RF-bandwidth of 1 MHz, has a front-end preamplifier of gain (A) equal to 20 dB and a noise-figure (NF) of 4 dB. The preamplifier is followed by a mixer stage with a NF 18 dB. Suppose the signal-to-noise ratio (SNR) at the mixer output is 30 dB, find the SNR at the preamplifier input. Hint: Use Friis formula: Answer hints: NF (Total) 4.96 dB)
Problem 3 A receiver has a bandwidth of 1 MHz and a noise figure of 10...
Problem 3 A receiver has a bandwidth of 1 MHz and a noise figure of 10 dB. The receiver sensitivity is -90 dBm. The Boltzmann constant is k=1.38x10-23 Joule/deg K, and the room temperature is 300 deg Kelvin. a) What is the ratio of the SNR at the input to the receiver (computed over the bandwidth of interest) to the SNR at the output of the receiver? b) What is the noise power at output of the receiver? c) Find...
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
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?
(a) Consider a digital communication system with a frequency band ranging from 3 MHz to 4 MHz. It is required to operate without unacceptable bit errors for which let the required SNR min = 24dB. Compute the channel transmission capacity for this minimum value of SNR. (b) Let us consider a Nyquist channel capacity formula C = 2B log2 (M) (in bits/second) where M is the number of signal levels per second, and B is the bandwidth assumed in part...
3.18. Given the narrow (usable) audio bandwidth of a telephone transmission facility, a nominal SNR of 56 dB (400,000), and a certain level of distortion a. What is the theoretical maximum channel capacity (kbps) of traditional telephone lines? b. What can we say about the actual maximum channel capacity?
WRITE LEGIBLY OR TYPE THE ANSWERS WITH EXPLANATIONS
THANKS!!!
Question # B.4 An RF system having a RF-bandwidth of 1 MHz, has a front-end preamplifier of gain (A) equal to 20 dB and a noise-figure (NF) of 4 dB. The preamplifier is followed by a mixer stage with a NF 18 dB. Suppose the signal-to-noise ratio (SNR) at the mixer output is 30 dB, find the SNR at the preamplifier input. Hint: Use Friis formula F21F (Answer hints: NF (Total)...
Noise-related problems Question # B.4 An RF system having a RF-bandwidth of 1 MHz, has a front-end preamplifier of gain (A) equal to 20 dB and a noise-figure (NF) of 4 dB. The preamplifier is followed by a mixer stage with a NF 18 dB. Suppose the signal-to-noise ratio (SNR) at the mixer output is 30 dB, find the SNR at the preamplifier input. Hint: Use Friis formula: Answer hints: NF (Total) 4.96 dB)
Problem 3 A receiver has a bandwidth of 1 MHz and a noise figure of 10 dB. The receiver sensitivity is -90 dBm. The Boltzmann constant is k=1.38x10-23 Joule/deg K, and the room temperature is 300 deg Kelvin. a) What is the ratio of the SNR at the input to the receiver (computed over the bandwidth of interest) to the SNR at the output of the receiver? b) What is the noise power at output of the receiver? c) Find...
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
Most questions answered within 3 hours.
-
Where is the error in this code sequence?
String s1 = "Hello";
String s2 = "ello";...
asked 11 months ago -
Financial data for Joel de Paris, Inc., for last year
follow:
Joel de Paris, Inc.
Balance...
asked 11 months ago -
Consider this reaction:
Al2(SO4)3 (aq)+ BaCl3
(aq) Al2Cl6 (aq)- +
3BaSO4(s) . What is the...
asked 11 months ago -
Suppose that Savneet is considering increasing her
recent random sample from 20 car rentals to 40...
asked 11 months ago -
Trucks arrive at an unloading terminal at an average rate of 120
per hour.
Trucks arrive...
asked 11 months ago -
Why are methanol and ethanol completely soluble in water while
octanol is not very little soluble....
asked 11 months ago -
A facilities manager at a university reads in a research report
that the mean amount of...
asked 11 months ago -
When the CuSO4 is rehydrated by adding water to the anhydrous
compound, is this an endothermic...
asked 11 months ago -
A ray of sunlight is passing from diamond into crown glass; the
angle of incidence is...
asked 11 months ago -
A block of mass 0.249 kg is placed on top of a light, vertical
spring of...
asked 11 months ago -
how do the kidneys compensate in the presences of acidosis
a) trigger hyperventilate
b) reserve acid...
asked 11 months ago -
Question 501 pts
The rental rate of capital to the firm increases. Which of the
following...
asked 11 months ago