IEEE 802.11 Overview

Nov 06, 2012

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Context. Wireless DifferencesPower managementBandwidthSecurityaddressing. Presentation. Physical. Link. Network. Transport. Session. Application. 802.3. 802.4. 802.5. 802.11. 802.2. . . . PHY. MAC. LLC. OSI. IEEE. Logical Link Control Services. Upper Layer. 802.2. 802.11. Upper Layer. 80

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IEEE 802.11 Overview

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Wireless Ethernet IEEE 802.11 Standard Overview

Wireless Ethernet IEEE 802.11 Standard Overview. Dirk Grunwald Assoc. Professor Dept. of Computer Science University of Colorado, Boulder. What’s Covered. High level overview of the 802.11 standard Motivation Organization MAC-level protocol. Global. Satellite. Suburban. Urban.

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Wireless IEEE 802.11

Wireless IEEE 802.11. WLAN Standards Performance Architecture Security. IEEE 802.11 Standard. IEEE 802.11b IEEE 802.11a IEEE 802.11g IEEE 802.11i. 802.11b. CCK (Complimentary Code Keying) DSSS (Direct Sequence Spread Spectrum) 11 Mbps / 2.4 GHz 4 Data Rates (1, 2, 5,5 11 Mbps)

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IEEE 802.11

IEEE 802.11. 802.11 Wireless Local Area Networks Bruce Kraemer Chair 802.11 V03. Disclaimer….

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Overview of the IEEE 802.11 Standard

U above law F. Hakim sak 5306 2003. The importance of standards in WLAN.. Why?To avoid what happen in most of the 1990s.Markets was bad.Relatively low data rates, high prices, and the lack of standards kept many end users from purchasing the wire-free form media.. U above law F. Hakim sak 5306 20

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IEEE 802.11 Family

IEEE 802.11 Family. Dr. Muid Mufti ID Technologies Islamabad. 802.11 Variants. IEEE 802.11d Additional regulatory domains IEEE 802.11e for improved quality of service IEEE 802.11f to regulate inter-access point hand offs IEEE 802.11i to improve WLAN security IEEE 802.11n

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IEEE 802.11 Overview and Meshed Networking

IEEE 802.11 Overview and Meshed Networking. ELEC6076 Computer Networks Alan Ford ajf101@ecs.soton.ac.uk. Overview. IEEE 802.11 802.11b features and architecture The hidden node problem Issues with TCP over wireless Wireless security Meshed Networking Approaches and Issues. IEEE 802.11.

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IEEE 802.11

IEEE 802.11. Wireless Local Area Networks (WLAN’s). Two modes of operation:. 1. Ad-Hoc Mode The clients communicate directly with each other. No mediation is needed. 2. Infrastructure Mode Clients and stations. Stations – Computers with NIC (Network Interface Cards) and Access Points (APs).

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IEEE 802.11

IEEE 802.11. Characteristics of Wireless LANs. Advantages very flexible alternative to wired LANs (almost) no wiring difficulties (e.g. historic buildings, firewalls) ad-hoc networks without previous planning possible

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IEEE 802.11

IEEE 802.11. IEEE802.11 Perspectives on document 6N14746 ( NB of China’s contribution on the MAC and PHY Specs for Wireless high data rate application - 5.4.2 in 6N14603 WG 1 Agenda). Abstract.

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IEEE 802.11 Overview

IEEE 802.11 Overview. Onno W. Purbo Onno@indo.net.id. Wireless Differences Power management Bandwidth Security addressing. Context. Application. Presentation. Session. Transport. Network. 802.2. LLC. Link. 802.3. 802.4. 802.5. 802.11. MAC. Physical. PHY. OSI. IEEE.

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IEEE 802.11 (MAC)

On Optimizing Backoff Counter Reservation and Classifying Stations for the IEEE 802.11 Distributed Wireless LANs. IEEE 802.11 (MAC). DCF - Distributed Coordination Function PCF - Point Coordination Function CSMA/CA with binary exponential backoff. DCF Enhancements.

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Wireless Ethernet IEEE 802.11 Standard Overview

Wireless Ethernet IEEE 802.11 Standard Overview. Dirk Grunwald Assoc. Professor Dept. of Computer Science University of Colorado, Boulder. What’s Covered. High level overview of the 802.11 standard Motivation Organization Station Services MAC-level protocol Power Saving. Resources.

879 views • 66 slides

IEEE 802.11 Architecture

IEEE 802.11 Architecture. Module contents. IEEE 802.11 Terminology IEEE 802.11 MAC Frames Operational Processes Configuration parameters. PC-Card Hardware. Radio Hardware. 802.11 frame format. WMAC controller with Station Firmware (WNIC-STA). 802.3 frame format. Platform

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IEEE 802.11

IEEE 802.11. 802.11 Wireless Local Area Networks Bruce Kraemer Chair 802.11 bkraemer@ieee.org V09. Disclaimer….

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IEEE 802.11 Status

IEEE 802.11 Status. July 2006 Dorothy Stanley – Aruba Networks IEEE 802.11 Liaison – IETF dstanley@arubanetworks.com. Completed IEEE 802.11 Standard, Amendments, Recommended Practice. Note: The letters “l, o, q” are not used. IEEE 802.11 Amendments, Recommended Practice Under Development.

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General Overview IEEE 802.11 WLAN Standard

General Overview IEEE 802.11 WLAN Standard. Content. Overview of IEEE 802 Current IEEE 802.11 Standards New Developments within IEEE 802.11 ETSI Cooperation/Harmonization Industry Promoter Groups. IEEE-SA BD OF GOV. COMPUTER SOCIETY SAB. IEEE-SA STDS BD. APPEALS PRESS RELEASES RULES.

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