1. (c) Eight sources, six with a bit rate of 100kbps and two with a bit rate of 200kbps are to be combined using multilevel TDM with no synchronizing bits. Answer the following questions about the final stage of multiplexing: i) How many channels we have now? ii) What is the size of a frame in bits? iii) What is frame rate? iv) What is the duration of a frame? v) What is the data rate?

1. (c) Eight sources, six with a bit rate of 100kbps and two with a bit rate of 200kbps are to be combined using multilevel TDM with no synchronizing bits. Answer the following questions about the final stage of multiplexing: i) How many channels we have now? ii) What is the size of a frame in bits? iii) What is frame rate? iv) What is the duration of a frame? v) What is the data rate?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Two channels, one at 190Kbps and the other at 180Kbps, are to be multiplexed using Pulse-Stuffing TDM with no synchronisation bits. Please respond to the following questions. I Determine the size of frames in bits. ii) Determine the frame rate. iii) Determine the duration of Frame.
a) Digital communication in our time today has made technology easier to live with. Discuss the compression techniques which are proposed for still images? b) Under the coding techniques available in communication system, elaborate on the one which seeks to minimize the data which reduces the size. c) To ensure a transmission free loss in a communication network, some considerations were made to determine the channel capacity. An AWGN channel with 4.0112-kHz bandwidth with a noise power spectral density of W/Hz. The signal power necessary at the receiver is 0.111 mW. Find the channel capacity of this network that will bring about the loss free transmission.
q10-
14. The signal to noise ratio on your phone line is 1000:1 and your modem attempts 7000 symbols per second, with each symbol representing 6 bits. a) What is the data rate that your modem is attempting? b) If the bandwidth on the line is 3000 Hz, what is the maximum theoretical data rate? c) Check all three limits, show your work. exceeded? Which of the three limits were
2. (b) Suppose we have a 9 GHz bandwidth channel. If the upper limit of the bit rate is about 20 Gbps, what is the signal to noise ratio in decibel (dB)?
THIS QUESTION FROM DIGITAL COMMUNICATION ONE COURSE
c) One of the challenges in time-division multiplexing is how to handle a disparity in the input data rate. State the three data rate management techniques in time- division multiplexing. d) Assume we have three channels, two with bit rates of 100 kbps and another with a bit rate of 200 kbps, and they are to be multiplexed. Explain in words as well as by sketching how this can be achieved? ii. Calculate the frame rate. 111. From the list of data rate management techniques (see Question 1(c)), identify another approach that can be applied in this multiplexing scenario. Using that new approach, repeat from Question 1(d)i to iii. Calculate the bit rate of the link.
i need B part Solution
1. A mobile station traveling at a speed of 60 km/h transmits at 900 MHz. If it receives or transmits data at a rate of 64 kbps, is the channel fading slow or fast?
Data Communication subject , i need fast and correctly