b) For SSB-SC system, with a channel noise psd of 10-¹0 and a baseband signal bandwidth 4KHz, the receiver output SNR is required to be at least 70 dBm. I. II. III. What must be the signal power S; at the receiver input. What is the receiver output noise power No. What is the minimum transmitted power ST if the channel transfer function is Hc(w) = 104 over the transmission band?

b) For SSB-SC system, with a channel noise psd of 10-¹0 and a baseband signal bandwidth 4KHz, the receiver output SNR is required to be at least 70 dBm. I. II. III. What must be the signal power S; at the receiver input. What is the receiver output noise power No. What is the minimum transmitted power ST if the channel transfer function is Hc(w) = 104 over the transmission band?

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

If a signal to interference ratio of 15 dB is required for satisfactory forward channel performance of a cellular system, what is the frequency reuse factor and cluster size that should be used for maximum capacity if the path loss exponent is (a) it = 4 , (b) it = 3? Assume that there are 6 co-channels cells in the first tier, and all of them are at the same distance from the mobile. Use suitable approximations.
Q1 ] A carrier signal ( peak amplitude = 39V , frequency = 100MHz ) frequency modulated by the baseband signal ( peak amplitude = 5V , bandwidth = 12.02kHz ) . The frequency deviation is 77.53kHz , and the load is 5112. Determine ( a ) the load power , ( b ) the bandwidth of the transmitted signal . ( consider only IJn ( $ ) > 0.1 ) .
A cellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case. Find the optimal value of N for(a) omnidirectional antennas, (b) 120° sectoring, and (c) 60° sectoring. Should sectoring beused? If so, which case (60° or 120°) should be used? (Assume a path loss exponent of n=4and consider trunking efficiency.)
A cellular service provider decides to use a digital TDMA scheme which can tolerate a signal- to-interference ratio of 15 dB in the worst case.i. Find the optimal value of N for the following scenarios:a) Omnidirectional antennas,b) 120° sectoring,c) 60° sectoring.ii. Should sectoring be used? If so, which case (60° or 120°) should be used? (Assume a path loss exponent of n = 4 and consider trunking efficiency.)
In a telephone line of bandwidth 3200 KHz and signal-to-noise ratio S/N=50 dB. What is the channel capacity C? Assuming N=8 levels of encoding schemes, what is the channel bandwidth BW in this case?
If the SNR value is C dB in a communication system, what can be said about the signal strength and noise power in such a system?
5. The following data is available: fc= carrier frequency = 750kHz, Ac= maximum amplitude of the unmodulated carrier = 10V fm= modulator frequency = 300Hz-8kHz modulation index m=0.5 a) What is the frequency of the upper sideband? b) What is the frequency of the lower sideband? c) What is the amplitude of the modulating signal? d) What is the maximum amplitude of the envelope of the modulated signal? e) What is the minimum amplitude of the envelope of the modulated signal? f) What is the bandwidth of the modulated wave? g) Write an expression for the modulated wave
For double sideband (DSB) signal f) What is the difficulty of synchronous demodulation (coherent detection)? g) Compare between the ordinary amplitude modulation (AM), and double sideband (DSB) modulation in terms of transmitted power, complexity of demodulation, receiver cost, and bandwidth
Type your question here Fig. below represents the receiver of quadrature multiplexing scheme, where ?(?) = ?1 (?)????? ? + ?1 (?)????? ? Let the local carrier at The receiver have a phase error of ?? . Radian as shown in the figure. a- Derive an expression for ?1(?) if ?? is small. b- Estimate how small ?? should be to keep the interference caused by ?2(?) at least 20 dB if ?1(?) and ?2(?) are of equal magnitude.
1.) Answer the following: a. At 50% modulation DSBSC, what is the percentage power saving?b. At 75% modulation, what percentage of the total transmitted power is in the sideband?c. For conventional AM, the useful power, that is, the power that carries the information is rather small reaching a maximum of ______.Select the correct response:-One-fifth of the total signal power at 100% modulation-One-third of the total signal power at 100% modulation-One-fourth of the total signal power at 100% modulation-One-tenth of the total signal power at 100% modulation
For double sideband (DSB) signala) Write the time domain equation XDSB(t).b) Write the frequency domain equation XDSB(ω).c) Draw the block diagram for DSB signal Generation.d) Draw the receiver block diagram. e) Explain with drawing the demodulation process of double sideband (DSB) signal using coherent detector.f) What is the difficulty of synchronous demodulation (coherent detection)? g) Compare between the ordinary amplitude modulation (AM), and double sideband (DSB) modulation in terms of transmitted power, complexity of demodulation, receiver cost, and bandwidth
Consider a mobile system at 900 MHz carrier frequency, and with 25-kHz bandwidth, that is affected by thermal noise (noise temp Te = 300k). Antenna gains of Tx and Rx sides are 8dB and -2dB respectively. Cable loss at Tx is 2dB. The noise figure at Rx is 7dB. The required operating SNR is 18dB and desired range of coverage is 2km. The break point is at 10dB up to which the path loss is given by [ ] , beyond that point the path loss exponent is 3.8, and the fading margin is 10dB. What is the minimum Tx power required?