'Extended service set ess' presentation slideshows

Chapter 4

Chapter 4. Wireless LAN Technologies and Products. IEEE 802.11. Its Detailed Description. Wireless LAN Architecture. Four major differences between Wireless LAN and Wired LANs: Destination Address Does not Equal Destination Location .

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MOBILE COMMUNICATION

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Access Point

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15-744: Computer Networking

15-744: Computer Networking. L-9 Wireless. Wireless Intro. TCP on wireless links Wireless MAC Assigned reading [BPSK97] A Comparison of Mechanism for Improving TCP Performance over Wireless Links [BM09] In Defense of Wireless Carrier Sense Optional

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IEEE 802.11 Wireless LAN Draft Standard

IEEE 802.11 Wireless LAN Draft Standard. Professor R. A. Carrasco. Introduction. IEEE 802.11 Draft 5.0 is a draft standard for Wireless Local Area Network (WLAN) communication.

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Wireless LAN Security

Network Security. Wireless LAN Security. Lecture 8. WLAN Security - Contents. Wireless LAN 802.11 Technology Security History Vulnerabilities Demonstration. Wireless LANs. IEEE ratified 802.11 in 1997. Also known as Wi-Fi. Wireless LAN at 1 Mbps & 2 Mbps.

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Wireless LAN Security

Network Security. Wireless LAN Security. Lecture 8. WLAN Security - Contents. Wireless LAN 802.11 Technology Security History Vulnerabilities Demonstration. Wireless LANs. IEEE ratified 802.11 in 1997. Also known as Wi-Fi. Wireless LAN at 1 Mbps & 2 Mbps.

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Wireless# Guide to Wireless Communications

Wireless# Guide to Wireless Communications. Chapter 7 Low-Speed Wireless Local Area Networks. Objectives. Describe how WLANs are used List the components and modes of a WLAN Describe how an RF WLAN works Explain the differences between IR, IEEE 802.11, and IEEE 802.11b WLANs

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Welcome to CS 334/534

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Lecture 7: WLAN

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Chapter 8: Wireless Services Part 2: Wireless LAN

Chapter 8: Wireless Services Part 2: Wireless LAN. Computer Data Communications. Introduction. Overview of Wireless LANs Key Application Areas Wireless LAN requirements IEEE 802.11 Architecture IEEE 802.11 Terminology IEEE 802.11 Services

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Security in IEEE 802.11 WLANs

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Wireless LAN Technology

Wireless LAN Technology. Wireless LANs. A wireless LAN use s wireless transmission medium. Used to have high prices, low data rates, occupational safety concerns, and licensing requirements. Problems have been addressed. Popularity of wireless LANs has grown rapidly.

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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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WLAN Terminology and Technology

WLAN Terminology and Technology. Active and passive scanning Power saving operation Data rates and throughput Dynamic rate and switching Authentication and association The distribution system and roaming Infrastructure and ad hoc modes BSSID, SSID, BSS, ESS Protection mechanisms.

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Chapter 14. Wireless LANs

Chapter 14. Wireless LANs. IEEE 802.11 Bluetooth. Basic Service Set (BSS). BSS The building block of a wireless LAN BSS with an AP Access Point (AP): central base station BSS without an AP Stand-alone network Cannot send data to other BSSs Ad hoc architecture BSS with an AP

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Chapter 14. Wireless LANs

Chapter 14. Wireless LANs. IEEE 802.11 Bluetooth. Basic Service Set (BSS). BSS The building block of a wireless LAN BSS with an AP Access Point (AP): central base station BSS without an AP Stand-alone network Cannot send data to other BSSs Ad hoc architecture BSS with an AP

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Introduction to IEEE 802.11

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Introduction to Wireless LAN

Introduction to Wireless LAN. Outline. Architecture MAC Management Distributed Coordination Function (DCF). Architecture. Station Access Point (AP) Basic Service Set (BSS) Distribution System (DS) Extended Service Set (ESS). Access Point (AP). Basic Service Set (BSS).

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