Need a sol Q6) Assume a 1 Mbps link of 1000-kilometers in length with 5 nanoseconds permeter propagation delay. Assume negligible time for ACK frames and processingdelay, what is the minimum frame size required to achieve a link utilization of no lessthan 75%?OUS

Given: 1. Link Bandwidth (Transmission Rate, R): R=1Mbps=106bits/second. 2. Link Length:…

Answered: Q6) Assume a 1 Mbps link of…

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...

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2. A TDMA System operates at 100Mbps with a 2ms frame time. Assume that all slots are equal length and that a guard time of 1us is required between slots a. Compute the efficiency of the communication resource for the case of 1,2,5,10,20,50 and 100 slots per frame. b. Repeat part (a) assuming that a 100-bit preamble is required at the start of each slot. Compute the efficiency of the communication resource in terms of the desired information transmission c. Plot the results of part a and part b
Q4. Consider the 16-QAM digital modulation scheme (a) What does the abbreviation QAM stand for? (b) Sketch an I-Q constellation diagram for this modulation scheme. (c) State the number of bits per symbol. (d) If the bit rate that is achieved with this modulation scheme is 256 Mbit s, what is the baud (symbol) rate?
Q4. Consider the rectangular 16-QAM (quadrature amplitude modulation) digital modulation scheme (a) Sketch an I-Q constellation diagram for this modulation scheme. (b) State the number of bits per symbol. (c) If the bit rate that is achieved with this modulation scheme is 24 Mbit s-1, what is the baud (symbol) rate?
Q4. Consider the QPSK digital modulation scheme (a) What does the abbreviation QPSK stand for? (b) Sketch an I-Q constellation diagram for this modulation scheme. (c) State the number of bits per symbol. (d) If the bit rate that is achieved with this modulation scheme is 128 Mbit s-, what is the baud (symbol) rate?
Please solve it for STS and TST
7+6) This QUESTION FROM DIGITAL COMMUNICATIONS II course.
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Assume the channel bandwidth is 3100 Hz and the maximum data rate is 35 kb/s. To improve the maximum data rate by 60%, how many times should the signal-to-noise-rate (SNR) increase? Based on the improved maximum data rate and SNR, if the SNR further increases by 10 times, can the maximum data rate further increase by 20%?
Q4) a) A binary data stream needs to be transmitted at 4 Mbit/s by means of binary signaling. To reduce ISI, a raised cosine roll-off pulse of roll-off factor r = 1/3 will be used. Determine the minimum required bandwidth for this transmission. b) For the binary sequence 010000101010000011, sketch its HDB3 code.
5.7 Design an STS switch for 128 primary TDM signals of the CCITT hierarchy (30 voice channels per input). Blocking should be less than 0.002 and the loading is 0.2 erlang per channel. How many time slot interchange modules are needed? What is the complexity of the switch? Repeat Problem 5.7 for a TST design.
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Q6) Assume a 1 Mbps link of 1000-kilometers in length with 5 nanoseconds per meter propagation delay. Assume negligible time for ACK frames and processing delay, what is the minimum frame size required to achieve a link utilization of no less than 75%? OUS