2. (a) Suppose a radio channel occupies a bandwidth of 11 kHz. We need to multiplex 14 radio channels with guard bands of 790 Hz using FDM. Calculate the required bandwidth. 2. (b) Suppose, you have 11 channels, each of 55 MBps. You have to use synchronous TDM to multiplex these channels. If each channel passes 3 characters during each input slot, answer the following: • What is the size of an output frame in bits? • What is the input bit duration? • What is the output slot duration? • What is the output bit duration? • What is the output frame rate? • What is the output data rate?

2. (a) Suppose a radio channel occupies a bandwidth of 11 kHz. We need to multiplex 14 radio channels with guard bands of 790 Hz using FDM. Calculate the required bandwidth. 2. (b) Suppose, you have 11 channels, each of 55 MBps. You have to use synchronous TDM to multiplex these channels. If each channel passes 3 characters during each input slot, answer the following: • What is the size of an output frame in bits? • What is the input bit duration? • What is the output slot duration? • What is the output bit duration? • What is the output frame rate? • What is the output 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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Concept explainers

Network transmission cabling

A network is a collection of devices connected by communication links. A device can be a computer or any instrument capable of sending and receiving data or information formed by other nodes toward the network. A channel that connects people or things is known as a network. It sends the data from one place to another. It is the basic concept of a computer, network, and data communications.

Question

2. (a) Suppose a radio channel occupies a bandwidth of 11 kHz. We need to multiplex 14 radio channels with guard bands of 790 Hz using FDM.
Calculate the required bandwidth.
2. (b) Suppose, you have 11 channels, each of 55 MBps. You have to use synchronous TDM to multiplex these channels. If each channel passes 3
characters during each input slot, answer the following:
• What is the size of an output frame in bits?
• What is the input bit duration?
• What is the output slot duration?
• What is the output bit duration?
• What is the output frame rate?
• What is the output data rate?

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2. (a) Suppose a radio channel occupies a bandwidth of 11 kHz. We need to multiplex 14 radio channels with guard bands of 790 Hz using FDM. Calculate the required bandwidth.
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