tailieunhanh - Mobile & Wireless Networking – Lecture 1: Introduce wireless transmission - Geert Heijenk

outline of lecture 1,introduction,about the course “mobile & wireless networking", history, current wireless technologies, important trends, wireless transmission (1/2), frequencies, signals, antennas, signal propagation, multiplexing.   | 262001 Mobile Wireless Networking Lecture 1 Introduction Wireless Transmission 1 2 Schiller Section 1 Section - Geert Heijenk Mobile and Wireless Networking 2009 2010 Outline of Lecture 1 Introduction About the course Mobile Wireless Networking History Current Wireless Technologies Important trends Wireless Transmission 1 2 Frequencies Signals Antennas Signal Propagation Multiplexing 2 Mobile and Wireless Networking 2009 2010 Mobile Wireless Networking Mobile user can use network services while moving . point of attachment to network Usually user is moving with his her networking device Wireless communications without using a wire directly between two user nodes or often between user node and access point connected to the fixed wired network Networking roughly all architectures protocols and algorithms at the link layer mostly medium access control MAC network layer and transport layer we will briefly address physical layer as well 3 Mobile and Wireless Networking 2009 .