'Coordination function' diaporamas de présentation

Wireless Networking

Wireless Networking. Chapter 16. Objectives. Explain wireless networking standards Describe the process for implementing Wi-Fi networks Describe troubleshooting techniques for wireless networks. Overview. Introduction to Wireless Networking. Wireless network uses radio waves as the media

1.14k views • 79 slides

Adaptive Packet Reservation Protocols

Adaptive Packet Reservation Protocols. ??? ?? ???????? ???. O UTLINE. An Overview of IEEE 802.11 Legacy 802.11 ? DCF ( Distributed coordination function ) PCF ( Point coordination function ) QoS S upport M echanisms of 802.11e ? EDCF ( Enhanced DCF ) HCF controlled channel access.

707 views • 61 slides

Behavior-Based Paradigm, Part I

Behavior-Based Paradigm, Part I. February 6, 2007 Class Meeting 7. Herbert, the soda can collector (MIT, Connell and Brooks, 1987). NOTE: Exam #1 is NEXT THURSDAY (Feb. 15). What to expect for Exam #1: Will cover all lecture notes through Thursday Feb. 8

629 views • 47 slides

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

431 views • 37 slides

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.

634 views • 35 slides

ANSI/IEEE 802.11

ANSI/IEEE 802.11. Wireless LAN Medium Access Control(MAC) and Physical Layer(PHY) Specifications. 802.11 Design issue. The media impact the design Neither absolute nor readily observable boundaries Unprotected from outside signals Less reliable than wired PHYs Dynamic topologies

459 views • 35 slides

Hybrid Coordination Function (HCF) Frame Exchange and NAV Details

Hybrid Coordination Function (HCF) Frame Exchange and NAV Details. First version: 2001-02-07 Revision 1: 2001-02-26 Revision 2: 2001-03-12 (including material from 00/452r2). Michael Fischer

416 views • 34 slides

EEE449 Computer Networks

EEE449 Computer Networks. Wireless Local Area Network (LAN). WLAN. key application areas: LAN extension cross-building interconnect nomadic access ad hoc networking. WLAN. LAN extension Linked into the wired LAN

402 views • 34 slides

EEE449 Computer Networks

EEE449 Computer Networks. Wireless Local Area Network (LAN). WLAN. key application areas: LAN extension cross-building interconnect nomadic access ad hoc networking. WLAN. LAN extension Linked into the wired LAN

341 views • 34 slides

392 views • 28 slides

Definations

Definations basic service set (BSS): A set of stations controlled by a single coordination function. independent basic service set (IBSS): A BSS that forms a self-contained network, and in which no access to a distribution system (DS) is available.

316 views • 25 slides

Definations

Definations basic service set (BSS): A set of stations controlled by a single coordination function. independent basic service set (IBSS): A BSS that forms a self-contained network, and in which no access to a distribution system (DS) is available.

255 views • 25 slides

Analytical study of frame aggregation in error-prone channels

2014 YU-ANTL Lab Seminar. Analytical study of frame aggregation in error-prone channels. May 29, 2014 Shinnazar Seytnazarov Advanced Networking Technology Lab. ( YU-ANTL) Dept. of Information & Comm. Eng, Graduate School, Yeungnam University, KOREA

332 views • 20 slides

Provision of Multimedia Services in 802.11-based Networks

Provision of Multimedia Services in 802.11-based Networks. Colin Roby CMSC 681 Fall 2007. Overview. 1. Multimedia Streaming in 802.11 Networks. 2. 802.11e Mac Layer Enhancement. 3.Sustain Quality of Service in WLAN. 4. Challenges for Quality of Service Provision.

287 views • 12 slides