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Wireless LAN - WLAN

Wireless LAN - WLAN

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791 views • 58 slides
Chapter 9 802.11 MAC Architecture

Chapter 9 802.11 MAC Architecture

Certified Wireless Network Administrator (CWNA) PW0-105. Chapter 9 802.11 MAC Architecture. Chapter 9 Overview. Packets, Frames, and Bits Data-Link Layer Physical Layer 802.11 and 802.3 Interoperability Three 802.11 Frame Types Beacon Management Frame (Beacon) Passive Scanning

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689 views • 51 slides
802.11 PCF and Power Save Mode

802.11 PCF and Power Save Mode

802.11 PCF and Power Save Mode. Overview. Time is divided into contention period (CP) and contention free period (CFP). During CP, transfers used DCF, i.e., Data-ACK, or RTS-CTS-Data-ACK, with exponential back-off etc.

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505 views • 49 slides
Lecture 7: WLAN

Lecture 7: WLAN

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622 views • 45 slides
IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard. Chapter 14. IEEE 802 Protocol Layers. Protocol Architecture. Functions of physical layer: Encoding/decoding of signals Preamble generation/removal (for synchronization) Bit transmission/reception Includes specification of the transmission medium.

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952 views • 38 slides
CSE401n: Computer Networks

CSE401n: Computer Networks

CSE401n: Computer Networks. Lecture 16 Wireless Link & LANs WS: ch-14 KR: 5.7. 802.11b operate at 2.4 GHz, 11 Mbps widely deployed 802.11a 5-6 GHz range up to 54 Mbps 802.11g 2.4 GHz up to 54 Mbps All have base-station and ad-hoc network versions

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442 views • 37 slides
Wireless Communication

Wireless Communication

Wireless Communication. Background of Wireless Communication. Wireless Communication Technology. Wireless Networking and Mobile IP. Wireless Local Area Networks. Student Presentations and Projects. IEEE 802.11 WLAN Standard. Chapter 14. IEEE 802.11 Wireless LAN Standard.

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721 views • 35 slides
IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard. From Chapter 14 of Stallings Wireless Book. Original slides by Thomas Fronckowiak. IEEE 802 Protocol Layers. Protocol Architecture. Functions of physical layer: Encoding/decoding of signals Preamble generation/removal (for synchronization)

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1.4k views • 35 slides
IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard. Chapter 14. IEEE 802 Protocol Layers. Protocol Architecture. Functions of physical layer: Encoding/decoding of signals Preamble generation/removal (for synchronization) Bit transmission/reception Includes specification of the transmission medium.

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493 views • 33 slides
IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard. Chapter 14. IEEE 802 Protocol Layers. Protocol Architecture. Functions of physical layer: Encoding/decoding of signals Preamble generation/removal (for synchronization) Bit transmission/reception Includes specification of the transmission medium.

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459 views • 33 slides
IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard. Chapter 14. IEEE 802 Protocol Layers. Protocol Architecture. Functions of physical layer: Encoding/decoding of signals Preamble generation/removal (for synchronization) Bit transmission/reception Includes specification of the transmission medium.

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423 views • 33 slides
Clarification on Some HCF Frame Exchange Rules

Clarification on Some HCF Frame Exchange Rules

Clarification on Some HCF Frame Exchange Rules. Sunghyun Choi and Javier del Prado Philips Research USA sunghyun.choi@philips.com Srinivas Kandala and Ken Nakashima Sharp Labs srini@sharplabs.com. Outline. Response depending on frame subtypes ACK or not ACK vs. QoS CF-ACK

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200 views • 18 slides
Clarification on Some HCF Frame Exchange Rules

Clarification on Some HCF Frame Exchange Rules

Clarification on Some HCF Frame Exchange Rules. Sunghyun Choi and Javier del Prado Philips Research USA sunghyun.choi@philips.com Srinivas Kandala and Ken Nakashima Sharp Labs srini@sharplabs.com. Outline. Response depending on frame subtypes ACK or not ACK vs. QoS CF-ACK

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229 views • 12 slides
802.11e EDCA-APSD TXOP Handoff September 2003

802.11e EDCA-APSD TXOP Handoff September 2003

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224 views • 9 slides
Clarification on Some HCF Frame Exchange Rules

Clarification on Some HCF Frame Exchange Rules

Clarification on Some HCF Frame Exchange Rules. Sunghyun Choi and Javier del Prado Philips Research USA sunghyun.choi@philips.com Srinivas Kandala and Ken Nakashima Sharp Labs srini@sharplabs.com. Outline. Response depending on frame subtypes ACK or not ACK vs. QoS CF-ACK

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104 views • 9 slides

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