'Fresnel zone' diaporamas de présentation

RF Networks

RF Networks. There are two aspects of networking which must be considered when installing either an NCL or LMS product:. 1. Ethernet Networking (IP). 2. Radio Networking (RF). This presentation will focus on the RF side of the NCL and LMS products. RF Terminology.

1.05k views • 77 slides

Physical Principles of Propagation

Chapter 4 Section A. Physical Principles of Propagation. Introduction to Propagation. Propagation is the heart of every radio link. During propagation, many processes act on the radio signal. attenuation

787 views • 62 slides

RF Networks

RF Networks. There are two aspects of networking which must be considered when installing either an NCL or LMS product:. 1. Ethernet Networking (IP). 2. Radio Networking (RF). This presentation will focus on the RF side of the NCL and LMS products. RF Terminology.

618 views • 61 slides

Chapter 4 Radio Frequency Signal and Antenna Concepts

Certified Wireless Network Administrator (CWNA) PW0-105. Chapter 4 Radio Frequency Signal and Antenna Concepts. Chapter 4 Overview. Active and Passive Gain Azimuth and Elevation Charts Interpreting Polar Charts Beamwidth Antenna Types Visual Line of Sight RF Line of Sight Fresnel Zone.

394 views • 34 slides

583 views • 30 slides

Mobile Radio Propagation

Mobile Radio Propagation. Large Scale Propagation Effects Distance dependent loss Reflection Diffraction Scattering Useful in estimating radio coverage Small Scale Propagation Effects Rapid fluctuations of received signal strength over short durations or short distances

422 views • 27 slides

Link Budget Calculation

Link Budget Calculation. Training materials for wireless trainers. Goals. To be able to calculate how far we can go with the equipment we have To understand why we need high masts for long links To learn about software that helps to automate the process of planning radio links.

491 views • 24 slides

Wireless and Mobile Communication Systems

Wireless and Mobile Communication Systems. Lecture Slide Part 1 Version 2011-2012 Mohd Nazri Mahmud. Introduction, OBE. This course reviews the topics on optical fibre, wireless & mobile and satellite communication systems.

481 views • 23 slides

Wireless and Mobile Communication Systems

Wireless and Mobile Communication Systems. Lecture Slide Part 1 Version 2011-2012 Mohd Nazri Mahmud. Introduction, OBE. This course reviews the topics on optical fibre, wireless & mobile and satellite communication systems.

435 views • 23 slides

ITU Spectrum Management System for Developing Countries (SMS4DC)

240 views • 23 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS)

< September,2003 > Doc.:IEEE802.15-03/0365. Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANS). Submission Title: [ Study of mm wave propagation modeling to realize WPANs ]

239 views • 23 slides

Intro to Microwave Propagation for data

456 views • 21 slides