New Standards for Wireless LANs

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Definition of Wireless and Mobile • Wireless – Communication without wires, can be mobile and fixed • Mobile – Portable devices (laptops, notebooks etc.) connected at different location to wired networks (e.g. LAN or PSTN) – Portable devices (phones, notebooks, PDAs etc.) connected to wireless networks (UMTS, GSM, WLAN….) - 10 - TZI – FB 1 – Kommunikationsnetze Andreas Könsgen – Summer Term 2011
Early History of Wireless Communications • In history first light and sound have been used to transmit messages over wide distances - 11 - Pics from http://www.connected-earth.com TZI – FB 1 – Kommunikationsnetze Andreas Könsgen – Summer Term 2011
Page 1 and 2: New Standards for Wireless LANs Sum
Page 3 and 4: Exam: Organisational Issues • Ora
Page 5 and 6: Objective of the Lecture ● Unders
Page 7 and 8: Course Overview (2) ● IEEE 802.16
Page 9: Chapter 1: First Mobile and Wireles
Page 13 and 14: History of Wireless Communication
Page 15 and 16: Today's Wireless Communication (1)
Page 17 and 18: End Chapter 1
Page 19 and 20: Chapter 2 - Overview • Part 1 (to
Page 21 and 22: Application Transport Network Data
Page 23 and 24: Structure of Digital Transmission S
Page 25 and 26: Frequencies for Mobile Communicatio
Page 27 and 28: Important Frequency Assignments Cel
Page 29 and 30: ISM Bands: Assignments Some typical
Page 31 and 32: Attenuation results in path loss
Page 33 and 34: Attenuation of different frequencie
Page 35 and 36: • Signal can take many different
Page 37 and 38: Radio Channel Characteristics • S
Page 39 and 40: Real World Example: Time variation
Page 41 and 42: Noise and Interference • So far:

New Standards for Wireless LANs

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