'Radio propagation' diaporamas de présentation

WELCOME

WELCOME. ELEMENT 3 SUBELEMENT. SUBELEMENT G1 COMMISSION'S RULES 5 Exam Questions-5 Groups] 60 Questions SUBELEMENT G2 OPERATING PROCEDURES [5 Exam Questions-5 Groups] 59 Questions SUBELEMENT G3 RADIO WAVE PROPAGATION [3 Exam Questions-3 Groups] 41 Questions

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Lecture 1

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Cellular Mobile Communication Systems Lecture 2

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General Licensing Class

General Licensing Class. Subelement G3, Questions Only Radio Wave Propagation 3 Exam Questions, 3 Groups. G3A01 What is the sunspot number?. A measure of solar activity based on counting sunspots and sunspot groups A 3 digit identifier which is used to track individual sunspots

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On Distinguishing the Multiple Radio Paths in RSS-based Ranging

On Distinguishing the Multiple Radio Paths in RSS-based Ranging. Dian Zhang, Yunhuai Liu, Xiaonan Guo , Min Gao and Lionel M. Ni College of Software, Shenzhen University Department of Computer Science and Engineering, Hong Kong University of Science and Technology,

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RELAYING PROTOCOLS AND RELAY SELECTION FOR MULTI-HOP AND COOPERATIVE COMMUNICATION NETWORKS

RELAYING PROTOCOLS AND RELAY SELECTION FOR MULTI-HOP AND COOPERATIVE COMMUNICATION NETWORKS. AALTO UNIVERSITY School of Science and Technology Wang Wei. Issues of 4G systems.

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Voice capacity in CDMA 2000 1xRTT systems

Voice capacity in CDMA 2000 1xRTT systems. Term project (COE-543) By S.M.Rehman #230419. Outline. Introduction Advantages of CDMA systems Propagation Loss Models Parameters considered Plan of action Simulated results Future work Conclusions. Introduction.

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The Sun

The Sun. The sun. What is the Sun? The Sun is a Star!. The size of the sun. Is the sun a large, small or medium sized star? The sun is an average size star. Surface of the sun. Is the sun calm or violent?

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Sistem Komunikasi

Sistem Komunikasi. oleh Risanuri Hidayat. Pengantar. Telekomunikasi = komunikasi yang dipisahkan oleh jarak Ada 3 komponen utama : Isyarat Komunikasi Kanal Komunikasi Jaringan Komunikasi. Isyarat Komunikasi. Isyarat Komunikasi.

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PERFORMANCE MEASUREMENTS OF WIRELESS SENSOR NETWORKS

PERFORMANCE MEASUREMENTS OF WIRELESS SENSOR NETWORKS. Gizem ERDO?AN. WIRELESS SENSOR NETWORKS. Wireless Battery powered Ad-hoc Sense & monitor : temperature, humidity, light intensity, voltage, current, volume, acceleration, sound, pressure ,etc.

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563.11.2 Wireless Location Tracking

563.11.2 Wireless Location Tracking. Saman A. Zonouz University of Illinois Fall 2007. Outline. Algorithms Technologies Products. 2. Wireless Location Tracking Approaches. Brannstrom 02 . Direct Approaches E.g. GPS Expensive Impractical for indoors location tracking

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Air Interface

Air Interface. Analog Transmission. In analog transmission, the state of line can vary continuously and smoothly among an infinite number of states States can be signal strengths, voltages, or other measurable conditions

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Introduction

Introduction. A Brief History. Wireless communications originated with the demonstration by Tesla in 1893, followed by the invention of wireless telegraph by Marconi in 1896 Advances in wireless communications have led to radio, television, mobile telephones, and communication satellites

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Investigating writing in the disciplines through corpora Viviana Cortes Iowa State University

Investigating writing in the disciplines through corpora Viviana Cortes Iowa State University. Outline of the presentation. Course description Example of class presentation Student work sample Student corpus work Report. Course description. Taught in a computer lab Maximum 20 students

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Introduction to Wireless Sensor Networks

Introduction to Wireless Sensor Networks. Wireless Terms, FAQ & Glossary 27 January 2005. Organizational. Class Website. www.engineering.uiowa.edu/~ece195/2005/. Class Time. Office Hours. Organizational. No Class on Monday January 31. Review Questions.

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Emergency Communications

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Introduction to Sensor Networks

Introduction to Sensor Networks. Rabie A. Ramadan, PhD Cairo University http://rabieramadan.org rabie@rabieramadan.org 3. Localization Techniques in WSNs . Why do I need localization ?. In sensor networks, nodes are deployed without priori knowledge about their locations.

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Atmospheric Layers

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Information Propagation Speed in Bidirectional Vehicular Delay Tolerant Networks

Information Propagation Speed in Bidirectional Vehicular Delay Tolerant Networks . Infocom 2011. Introduction . Analysis the information propagation speed in bidirectional vehicular delay tolerant networks on highways. A threshold(phase transition)

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