'Mac protocols' diaporamas de présentation

Southern Methodist University Fall 2003 EETS 8316/NTU CC745-N Wireless Networks

Southern Methodist University Fall 2003 EETS 8316/NTU CC745-N Wireless Networks. Lecture 8: Mobile Data, Part III. Instructor : Jila Seraj email : jseraj@engr.smu.edu http://www.engr.smu.edu/~jseraj/ tel: 214-505-6303. Session Outline. Review of last week Wireless LAN. Announcements.

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Medium Access Control (MAC) and Wireless LANs

Medium Access Control (MAC) and Wireless LANs. Outline. Wireless LAN Technology Medium Access Control for Wireless IEEE 802.11. Wireless LAN Applications. LAN Extension Cross-building interconnect Nomadic Access Ad hoc networking. LAN Extension.

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A Jamming-Resistant MAC Protocol for Single-Hop Wireless Networks

A Jamming-Resistant MAC Protocol for Single-Hop Wireless Networks. Baruch Awerbuch (JHU) Andrea W. Richa (ASU) Christian Scheideler ( Uni PB). Wireless jamming. blocking of the wireless channel due to interference, noise or collision at the receiver side. X. X. X. X.

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Link Layer and LANs

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MAC Protocols for VANETs

MAC Protocols for VANETs. Alexandru Oprea Department of Computer Science University of Freiburg 16 th February 2010 Ad Hoc Networks Seminar. Alexandru Oprea. MAC Protocols for VANETs. 16 th February 2010. Based on: Hamid Menouar and Fethi Filali , EURECOM

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Wireless Sensor Networks

Wireless Sensor Networks. A ?. ????????? ?????? ????????????? ?????? ???????? ??????????? ????? ???????????? ????????? ??? ????????? ??????????? papavass@mail.ntua.gr ???: 210 772-2550. Sensors. What is a sensor:

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Mobile and Ad hoc Networks

Mobile and Ad hoc Networks. Background of Ad hoc Wireless Networks. Wireless Communication Technology and Research. Ad hoc Routing and Mobile IP and Mobility. Wireless Sensor and Mesh Networks. Student Presentations. Adhoc Wireless MAC. http://web.uettaxila.edu.pk/CMS/SP2012/teAWNms/.

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CMPE 257: Wireless and Mobile Networking SET 3a:

CMPE 257: Wireless and Mobile Networking SET 3a:. Medium Access Control Protocols. MAC Protocol Topics. Modeling and performance analysis of collision avoidance MAC protocols. MAC Protocols. Contention based MAC protocols:

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IT 601: Mobile Computing

MAC Protocols Prof. Anirudha Sahoo IIT Bombay. IT 601: Mobile Computing . ISSUES in Wireless MAC. Bandwidth Efficiency BW available is very limited MAC should be designed such that the scarce bandwidth is utilized in an efficient manner Hidden and Exposed Node Problem

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Ch 5. MAC in WMNs

Ch 5. MAC in WMNs. Myungchul Kim mckim@cs.kaist.ac.kr. Wireless routers called wireless mesh points (MPs) MAC protocols with omni directional antennas for sharing a single channel: Aloha, Slotted Aloha, CSMA, CSMA/CA IEEE 802.11 MAC and IEEE 802.11e MAC: single channel Throughput improvement

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PERFORMANCE MEASUREMENTS OF WIRELESS SENSOR NETWORKS

PERFORMANCE MEASUREMENTS OF WIRELESS SENSOR NETWORKS. Gizem ERDO?AN. WIRELESS SENSOR NETWORKS. Wireless Battery powered Ad-hoc Sense & monitor : temperature, humidity, light intensity, voltage, current, volume, acceleration, sound, pressure ,etc.

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Mobility-Aware MAC Protocol for Wireless Sensor Network

Mobility-Aware MAC Protocol for Wireless Sensor Network. Tang Zhiyong and Waltenegus Dargie TU Dresden Chair of Computer Networks. Outline. MAC protocols in wireless sensor networks Mobility MA-MAC Evaluation Future work. MAC Protocols.

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Introduction to Wireless Sensor Networks

Introduction to Wireless Sensor Networks. Medium Access Control (MAC) 21 February 2005. Organizational. Class Website. www.engineering.uiowa.edu/~ece195/2005/. Class Time. Office Hours. Contention-Based MAC Protocols. Channel are not divided, but shared channel allocated on-demand

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Wireless MAC Protocols for Ad-Hoc Networks

Wireless MAC Protocols for Ad-Hoc Networks. Derek J Corbett Supervisor: Prof. David Everitt. Introduction. Wireless Ad-Hoc Networks A network that is formed spontaneously by devices locating eachother, lacking any kind of fixed infrastructure.

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An Energy-Efficient MAC Protocol for Wireless Sensor Networks

An Energy-Efficient MAC Protocol for Wireless Sensor Networks. Wei Ye 1 , John Heidemann 1 , Deborah Estrin 2 1 USC Information Sciences Institute 2 UCLA and USC/ISI. Introduction. Wireless sensor network Special ad hoc wireless network Large number of nodes w/ sensors & actuators

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Random Access protocols

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TinyOS 2.0 Network Stack Enhancements

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Ch 11. Multiple Antenna Techniques for WMNs

Ch 11. Multiple Antenna Techniques for WMNs. Myungchul Kim mckim@icu.ac.kr. MAC protocol and network layer How about physical layer ?. Introduction. Multiple antennas Smart antennas techniques Multiple-input multiple-output (MIMO). Survey of multiple antenna techniques.

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Multiple Access Links and Protocols

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