Channel Models A Tutorial 1 V1.0 February 21‚ 2007 Please send comments/corrections/feedback to Raj Jain‚ jain@acm.org Please send comments to jain@acm.org 1 This work was sponsored in part by WiMAX Forum. Channel Models: A Tutorial 2 V1 Created on 2/21/2007 TABLE CONTENTS CHANNEL MODELS: A TUTORIAL..................................................................................................................................3 CHANNEL MODELS: A TUTORIAL.....................
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What is Data Communications? Next Topic | TOC The distance over which data moves within a computer may vary from a few thousandths of an inch‚ as is the case within a single IC chip‚ to as much as several feet along the backplane of the main circuit board. Over such small distances‚ digital data may be transmitted as direct‚ two-level electrical signals over simple copper conductors. Except for the fastest computers‚ circuit designers are not very concerned about the shape of the conductor or
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Communication strategy Plan In the midst of the two acre greenery‚ a farm house was recently converted to a non-profit organization. As the eleven member committee headed by Ms. Baabou June‚ Director of Voice Of Bangalore‚ a nonprofit firm‚ unfolded their mind to discuss one of the buzzing topics‚ few members begin to gossip about the news headlines embellished on the newspaper lying in front of them. The firm was recently ranked as #1 in the nation for quick turn-over in resolving social issues
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EME communication EME communication‚ which stands for Earth-Moon-Earth communication‚ is known as moon bounce. The concept is to send radio signals from the earth to the moon‚ then by the surface of the moon reflected back to earth and then signal received. It means to use the moon as a passive reflector for accomplishing the two way communication between two locations on earth. As we know the distance between the Earth and the moon is very large‚ there will be huge path loss during the transmission
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According to Jean Roberts (2009) “Communication is the passing of messages‚ information‚ ideas‚ attitudes‚ feelings‚ fears‚ doubts‚ news‚ emotions‚ etc -to and from one person to another person‚ from one person to a group‚ from one group to another group. It involves listening‚ questioning‚ explaining‚ clarifying‚ encouraging‚ facilitating‚ challenging‚ convincing‚ verifying‚ comforting and supporting. Messages can be conveyed or passed in writing‚ in conversation‚ by behaviour‚ by attitude‚ through
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definition for a model According to Wilson’s definition a model is the explicit interpretation of one’s understanding of a situation‚ or simply of one’s idea about that situation. It can be expressed in mathematics‚ symbols or words. But it is essentially a description of entities‚ process or attributes and the relationships between them. It may be prescriptive or illustrative‚ but about all‚ it must be useful. Describe the purpose and uses of models There are various use of models; here I am
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Reliability Evaluation of Communication Network Considering Capacity and Delay of Transmission Sheikh Mominul Islam Abstract This paper introduces a reliability index Capacity and Delay Related Reliability (CDRR) for communication networks. An algorithm is proposed for evaluating the CDRR. This algorithm needs the binary system states generated by the minimal paths‚ message flow capacity and time delay of these states. A criterion for computing the delay time of the binary system states is also
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PRINCIPLE OF GENERATION‚ TRANSMISSION AND DISTRIBUTION OF HIGH AC VOLTAGES INTRODUCTION The potential benefits of electrical energy supplied to a number of consumers from a common generating system were recognized shortly after the development of the ‘dynamo’‚ commonly known as the generator. The first public power station was put into service in 1882 in London (Holborn). Soon a number of other public supplies for electricity followed in other developed countries. The early systems
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Deshmukh College of Engineering‚ Sevagram 1 Wireless Mobile Communication - A Study of 3G Technology Amit K. Mogal Department of Computer Science‚ CMCS College‚ Nashik-13 Email: amit.mogal@gmail.com -------------------------------------------------------------------ABSTRACT-----------------------------------------------------------------Third Generation (3G) mobile devices and services will transform wireless communications in to on-line‚ real-time connectivity. 3G wireless technology will
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ADKAR model Lewin’s change model Kotter’s change model - ADKAR stands for Awareness‚ Desire‚ Knowledge‚ Ability and Reinforcement. Each word represents a step in the change process and must be done in order so that the desired change is achieved. - This model focuses on principles of change that are effective on an individual. Its focus is on how to change people. Steps - Awareness: To begin change‚ an individual must know what needs to change and why. What the risks for not changing are‚ benefit
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