'Propagation model' diaporamas de présentation

Performance evaluation of Urban Mesh Networks

Performance evaluation of Urban Mesh Networks. Vinay Sridhara Department of Electrical Engineering University of Delaware. Overview. Motivation Simulation Environment Mobility models Propagation models Simulation methodology Simulation parameters Performance evaluation Coverage

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Introduction to SEAMCAT

Introduction to SEAMCAT. European Communications Office Jean-Philippe Kermoal - SEAMCAT Manager (ECO) June 2012 ( Jean-Philippe.Kermoal@eco.cept.org ). Outline. Part 1: Why SEAMCAT?. Spectrum engineering challenges. increasing penetration of the existing radio applications.

569 views • 37 slides

Introduction to ns-2

Introduction to ns-2. Noun Choi Oct. 11, 2007. Outline. Background ns-2 Internals Short demo Troubleshooting Reference links Q & A. History and Status. UCB REAL network simulator VINT from LBL, PARC, UCB, & USC ns-1 ns-2, currently maintained by USC/ISI 100K lines of C++

393 views • 28 slides

Voice capacity in CDMA 2000 1xRTT systems

Voice capacity in CDMA 2000 1xRTT systems. Term project (COE-543) By S.M.Rehman #230419. Outline. Introduction Advantages of CDMA systems Propagation Loss Models Parameters considered Plan of action Simulated results Future work Conclusions. Introduction.

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Introduction to Wireless simulations

Introduction to Wireless simulations. Shao-Cheng Wang. Wireless Simulations. Before simulation Generate traffic files: cbrgen.tcl Generate mobility files: setdest & calcdest Simulation simple-wireless.tcl After simulation Trace formats Nam.

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RADAR: An In-Building RF-based User Location and Tracking System

RADAR: An In-Building RF-based User Location and Tracking System. Paramvir Bahl and Venkata N. Padmanabhan Microsoft Research. Related work. GPS Active badge Scales poorly due to the limited range of IR Significant installation and maintenance cost

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Relevance Propagation for Web Search

Relevance Propagation for Web Search. Dr. Tie-Yan Liu Web Search and Mining Group Microsoft Research Asia Joint Work with Tao Qin, Tsinghua University. Outline. Introduction Generic framework for relevance propagation Evaluations Effectiveness analysis Complexity analysis Conclusions.

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [ P reliminary Technical Proposal for PTC Communications ] Date Submitted: [ 18 July 2012 ] Source: [ J. Li, Y Lee, H. Movahedi , M-C Doong ] Company [ Lilee Systems ]

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RRC Propagation Information Field strength prediction method

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Radar Differential Phase Signatures of Ice Orientation for the Prediction of Lightning Initiation and Cessation

Photo credit: Gene Blevins. Radar Differential Phase Signatures of Ice Orientation for the Prediction of Lightning Initiation and Cessation. Space Shuttle Endeavor (STS-127). Lawrence. D. Carey 1 , Walter. A. Petersen 2 , and Wiebke Deierling 1

450 views • 15 slides

Frequency Assignment Planning

Frequency Assignment Planning. Prepared by Torsten Jacob ICAO ANB/CNS. General Methodology. The electromagnetic compatibility of radio equipment should be calculated by the following method: determine the desired signal level at the victim receiver front end;

296 views • 14 slides

Frequency Assignment Planning

Frequency Assignment Planning. Prepared by Torsten Jacob ICAO ANB/CNS. General Methodology. The electromagnetic compatibility of radio equipment should be calculated by the following method: determine the desired signal level at the victim receiver front end;

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MAC in ns2 simulation

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Preference sharing-A Study On Anonymity

Preference sharing-A Study On Anonymity. Team Neighbors. Progress Report II. Why Full Bruteforce Failed?. Generating k-plexes (Limited). We first find the cliques in a network, for a given size

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CDMA/OFDMA system: General settings

CDMA/OFDMA system: General settings. OBS : On this slide there are 9 tabs (as it is today in SEAMCAT 3), towards the last slides there will be a total of 5 tabs due to the proposed new layout. Obs : should leave room for LTE/ Wimax options.

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Adaptive Waveform Design for Full Spectral Dominance

Adaptive Waveform Design for Full Spectral Dominance. PI: Arye Nehorai Co-PI: Danilo Erricolo. Text Text Text SubText.

114 views • 1 slides

Adaptive Waveform Design for Full Spectral Dominance

Adaptive Waveform Design for Full Spectral Dominance. PI: Arye Nehorai Co-PI: Danilo Erricolo. Text Text Text SubText.

161 views • 1 slides