'Collision free' presentation slideshows

Medium Access Control

Medium Access Control. Channel Allocation. Static channel allocation in LANs and MANs FDMA, TDMA, CDMA Dynamic channel allocation in LANs and MANs MAC protocols: with collisions, polling, token. Static Channel Allocation. Delay for one fast channel: Delay for multiple FDM slower channels:.

1.1k views • 90 slides

Motion Planning for Deformable Robots

Motion Planning for Deformable Robots. Serhat Tekin 11/7/2006. Motivation. Motion planning is a classical problem Mostly for rigid or articulated robots Deformable variants are recent Massive configuration space even for simple cases Existing methods not directly applicable. Motivation.

702 views • 57 slides

643 views • 48 slides

Integrated Road Safety Program

Integrated Road Safety Program. Second Year Results and Update. Introduction. IRSP approved by City Council on June 25 th , 2003 3E approach to road safety Engineering Enforcement Education. Benefits of Partnership.

535 views • 37 slides

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Path Planning Based on Ant Colony Algorithm and Distributed Local Navigation for Multi-Robot Systems. Proceedings of the 2006 IEEE International Conference on Mechatronics and Automation June 25 - 28, 2006, Luoyang, China Shirong Liu and Linbo Mao and Jinshou Yu. ???????? ????????. Outline.

477 views • 36 slides

Cryptography: Numbers and Tools

Cryptography: Numbers and Tools. Gerard Tel Dept of Computing Science, Utrecht. Talk overview. Part 1: Numbers for Crypto Definition and existence: require P ? NP Encryption with numbers: Elgamal Numbers versus Ad hoc: Hashing Part 2: Tools Zero knowledge proofs Secret Sharing

468 views • 33 slides

CS 313 Introduction to Computer Networking & Telecommunication

CS 313 Introduction to Computer Networking & Telecommunication. Medium Access Control Sublayer. Topics. Introduction Channel Allocation Problem Multiple Access Protocols CDMA. Introduction. Broadcast networks Key issue: who gets to use the channel when there is competition

407 views • 26 slides

CS 313 Introduction to Computer Networking & Telecommunication

CS 313 Introduction to Computer Networking & Telecommunication. Medium Access Control Sublayer. Topics. Introduction Channel Allocation Problem Multiple Access Protocols CDMA. Introduction. Broadcast networks Key issue: who gets to use the channel when there is competition

268 views • 26 slides

Planning for Humanoid Robots

Planning for Humanoid Robots. Presented by Irena Pashchenko CS326a, Winter 2004. What is different?. High Dimensionality ( >30 DOF ) Requires careful control to maintain static and dynamic stability. Two problems ( I ).

439 views • 25 slides

Authors : Saravanan Balasubramanian, Demet Aksoy Published : Computer Networks

Adaptive energy-efficient registration and online scheduling for asymmetric wireless sensor networks. Authors : Saravanan Balasubramanian, Demet Aksoy Published : Computer Networks Speaker : Wen-Chuan Huang. Outline. Introduction AEROS Message format Channel division

307 views • 20 slides

ICS 454 Principles of Cryptography

ICS 454 Principles of Cryptography. Secure Hashing and DSS Sultan Almuhammadi. Outline. One-way functions Secure Hash function Authentication (example) Digital Signature Standards (DSS). Definitions. One-way function f :A ? B Given x ? A, it is easy to compute f ( x )

275 views • 19 slides

On Delaying Collision Checking in PRM Planning

297 views • 17 slides

257 views • 16 slides

TOWARD A COMPLETE CONTROL FRAMEWORK FOR ADAPTIVE CAPACITY ALLOCATION IN MOBILE DVB-RCS

TOWARD A COMPLETE CONTROL FRAMEWORK FOR ADAPTIVE CAPACITY ALLOCATION IN MOBILE DVB-RCS. Nedo Celandroni*, Franco Davoli°, Erina Ferro*, Alberto Gotta*, Raffaello Secchi *. *ISTI-CNR, Area della Ricerca del C.N.R., Via Moruzzi 1, I-56124 Pisa, Italy

277 views • 14 slides

Planning the Shortest Safe Path amidst Unpredictably Moving Obstacles

Planning the Shortest Safe Path amidst Unpredictably Moving Obstacles. Jur van den Berg, Mark Overmars Universiteit Utrecht The Netherlands. Planning amidst Moving Obstacles. Motions not known beforehand Future trajectories estimated (extrapolating velocity)

247 views • 12 slides

Computer and Network Security

Computer and Network Security. Mini Lecture by Milica Barjaktarovic. Why do we need computer security?. Potentially very costly loss of data and/or equipment due to: Hardware and software failures Natural disasters External attacks: From the Internet Internal attacks: From employees.

290 views • 12 slides

Using collision-free scheduling: dream or reality?

188 views • 7 slides

Transmission Scheduling for Mobile Ad Hoc Networks with Multiple-access Interference

Summer Undergraduate Research Experience - 2006. Transmission Scheduling for Mobile Ad Hoc Networks with Multiple-access Interference Ankit Misra Advisor : Dr. Harlan Russell. Background. Analysis. Simulations. Implications. Ad Hoc Networks No Infrastructure Required

116 views • 1 slides