'Multi hop' diaporamas de présentation

Nandu Kushalnagar & Gabriel Montenegro. Sub-IP Mesh for LoWPAN . LoWPAN Considerations. Adhoc multi hop meshing Proactive routing Reactive routing Routing Above IP (Orthogonally possible) Sub-IP (Allows efficient header compression, smaller route tables) Flexible routing metric

Some Security Challenges for Mesh Networks. Jean-Pierre Hubaux EPFL Switzerland Joint work with Imad Aad, Naouel Ben Salem, Levente Buttyan, Srdjan Capkun, Markus Jakobsson, and Maxim Raya Funded by the MICS/Terminodes project, www.mics.org.

The Meraka Indoor wireless mesh test bed A new multi hop routing benchmarking tool. David Johnson Senior Researcher Wireless Africa Programme Meraka CSIR. 450 million rural people in Africa are isolated from the rest of the world. Connect them all by 2017. Sound crazy?.

DRAND: Distributed Randomized TDMA Scheduling for Wireless Ad-Hoc Networks. Injong Rhee (with Ajit Warrier, Jeongki Min, Lisong Xu) Department of Computer Science North Carolina State University. A. C. B. Static Channel Assignment Problem (for stationary networks).

Multi-Resolution Spatial and Temporal Coding in a Wireless Sensor Network for Long-Term Monitoring Applications. You- Chiun Wang, Member, IEEE, Yao-Yu Hsieh, and Yu- Chee Tseng, Senior Member, IEEE. IEEE TRANSACTIONS ON COMPUTERS, TC-2008-08-0420. Outline. Introduction

Multi hop connections using 802.11. Guido R. Hiertz , Yunpeng Zang ComNets Chair of Communication Networks Aachen University (RWTH) Germany Jörg Habetha Philips Research Aachen Germany. Advantages of multi frequency mesh networks Less interference Exclusive channels Reuse patterns ….

Smart Grid Discussions – November 2010. Date: 2010-November-08. Abstract: NIST PAP#2 Report r6 recommended changes Other Smart Grid activities. Monday Agenda Item 4.1.12. Smart Grid Meetings. Agenda Topics for the Week. Action Item Finalize change suggestions for the NIST PAP#2 Report

Block-switched Networks: A New Paradigm for Wireless Transport. Ming Li, Devesh Agrawal, Deepak Ganesan and Arun Venkataramani presented by zhen qin, marcel flores. Motivation. How TCP works. E2E rate control is error-prone. How TCP works. E2E retransmissions are wasteful. How TCP works.

Architecture and Evaluation of an Unplanned 802.11b Mesh Network. John Bicket, Daniel Aguayo, Sanjit Biswas, and Robert Morris MIT Computer Science and Artificial Intelligence Lab Presented by Anuradha Kadam February 6, 2007. Outline. Introduction Roofnet Design Evaluation Network Use

Architecture and Evaluation of an Unplanned 802.11b Mesh Network. John Bicket, Daniel Aguayo, Sanjit Biswas, Robert Morris. Two approaches to constructing community networks are common. Multi-hop chosen locations directional an high-quality radio linkstennas

An Adaptive Energy-Efficient MAC Protocol for Wireless Sensor Networks. Tijs van Dam Koen Langendoen Presenter: Michael Curcio. ACM SenSys 2003. Sensor Networks. Low message rate Insensitive to latency Low processing power and memory capacity Lots of redundancy Often battery operated!.

Simulations in wireless sensor and ad hoc networks. Comparison, ‘ proof of concept ’ , independent variable, simplicity issues …. IEEE Communications Magazine 2008. Ivan Stojmenovic Ivan@site.uottawa.ca www.site.uottawa.ca/~ivan. Sensor may measure. Internet. Distance, Direction, Speed

Introduction Ad Hoc Wireless Networks Ad Hoc Wireless Internet. Chapter 5: Ad Hoc Wireless Networks. 0. 1. 2. 3. 4. 5. 6. 7. Advent of Ad hoc Wireless Networks.

Time Synchronization. Murat Demirbas SUNY Buffalo. Need for TimeSync. Typical purpose of sensor networks: collect sensor data, log to database and correlate with time, location, etc.

Wireless Mesh Networks. Paul A.S. Ward Shoshin Distributed Systems Group University of Waterloo pasward@ccng.uwaterloo.ca. Outline. Introduction Modeling and Capacity Multi-radio and Multi-channel Systems Congestion Control, Fairness, Load Balancing and Quality of Service

On the advantage of multi-hop extensions to IEEE 802.11 infrastructure mode. Sathya Narayanan Panasonic Pei Liu Shivendra Panwar Polytechnic University. Overview. We study the effect of using multi-hopping

Multicast + Network Coding in Ad Hoc Networks. CS 218 Fall 2008. Routing vs Network Coding. y 1. y 1. f 1 ( y 1 ,y 2 ,y 3 ). y 1. y 2. f 2 ( y 1 ,y 2 ,y 3 ). y 3. y 3. y 3. x. B. C. A. y. B. C. A. x  y. B. C. A. B. C. A. Benefit of Network Coding. y. x. B. C. A.

Oveview of Wireless Sensor Networks KD Kang. Overview. What is a sensor network? Sensing Microsensors Constraints, Problems, and Design Goals Overview of Research Issues and Challenges. Applications. Applications. Interface between Physical and Digital Worlds Many applications

The Wireless Media System: A Mobile Broadband System with invisible Infrastructure and low Radio Exposure of Humans. Bernhard H. Walke, Ian Herwono, Ralf Pabst, Daniel Schultz Aachen University, Communication Networks Adhoc’03 Workshop, May 06, 2003, Stockholm, Sweden.

Scenario di riferimento e mappa delle presentazioni. Capitolo 4: acquisizione dei dati dal campo ( presentazione e demo 13.45-14.25). Monitoring System Architecture. Wine Transport and Distribution. Sensors used during wine transport. Wine Transport and Distribution.