'Secondary users' presentation slideshows

Spectrum Agile Radio

Spectrum Agile Radio. Team 4 Jim Kile Don Little Samir Shah. Structure of Presentation. Definition, why?, and evolution Background concepts White space, measurements Regulatory environment Wireless standards Implementations. Spectrum Agile Radio (SAR).

1.11k views • 87 slides

Introduction to Cognitive radios Part one

Introduction to Cognitive radios Part one. HY 539 Presented by: George Fortetsanakis. Increased user demand. The ISM band is a host of many different wireless technologies. WiFi Bluetooth Wimax The number of devices that function at the ISM band is constantly growing.

724 views • 72 slides

Introduction to Cognitive radios Part one

Introduction to Cognitive radios Part one. HY 539 Presented by: George Fortetsanakis. Increased user demand. The ISM band is a host of many different wireless technologies. WiFi Bluetooth Wimax The number of devices that function at the ISM band is constantly growing.

497 views • 39 slides

Fundamental Lower Bound for Node Buffer Size in Intermittently Connected Wireless Networks

Fundamental Lower Bound for Node Buffer Size in Intermittently Connected Wireless Networks. Yuanzhong Xu, Xinbing Wang Shanghai Jiao Tong University , China. Outline. Introduction Motivations Objectives Model and Assumption Percolation of Active Nodes Lower Bound In Supercritical Case

564 views • 38 slides

Lecture on Mobile P2P Computing Prof. Maria Papadopouli University of Crete ICS-FORTH

Lecture on Mobile P2P Computing Prof. Maria Papadopouli University of Crete ICS-FORTH http://www.ics.forth.gr/mobile. Agenda. Introduction on Mobile Computing & Wireless Networks Wireless Networks - Physical Layer IEEE 802.11 MAC Wireless Network Measurements & Modeling

377 views • 37 slides

Practices and challenges in implementing SW systems

Practices and challenges in implementing SW systems. October 2011. Agenda. Implemented practices and challenges overcame Futures challenges. Implemented practices and challenges overcame. Reuse of best practices Peruvian Customs modernization. Reuse of best practices.

387 views • 28 slides

HEAD: A Hybrid Spectrum Trading Framework for QoS -aware Secondary Users

HEAD: A Hybrid Spectrum Trading Framework for QoS -aware Secondary Users. Xiaojun Feng , Qian Zhang and Bo Li Hong Kong University of Science and Technology DySPAN 2014. Outline. Background System Model Hybrid Spectrum Trading Framework Simulation Results Conclusions. Background.

363 views • 24 slides

Middlebury College Banner Implementation: Minerva Project Kathy Weiss Assistant Registrar for the Undergraduate College

478 views • 23 slides

Multi-Band CSMA/CA-Based Cognitive Radio Networks

Multi-Band CSMA/CA-Based Cognitive Radio Networks. Jo Woon Chong, Youngchul Sung, and Dan Keun Sung School of EECS KAIST IWCMC 2009. Outline. Introduction Proposed RawPEACH MAC Scheme For Multi-band CSMA/CA System Markov Chain Analysis

325 views • 19 slides

Status Report on TV White Space in Japan (Liaison Report to JP MIC)

Status Report on TV White Space in Japan (Liaison Report to JP MIC). Date: 2013-11-13. Authors:. Abstract. This presentation contains current status toward introducing TV white space applications in Japan. History of report. Summary of the last report.

398 views • 18 slides

Accessing Drinking Water Data For GIS Aps -- Interim SOP to Ensure Data is Secure

Accessing Drinking Water Data For GIS Aps -- Interim SOP to Ensure Data is Secure. EPA Spring GIS Workgroup Meeting March 26, 2004 Philadelphia, PA. 1. Objectives of Interim SOP.

271 views • 14 slides

Effective, Efficient & Economic Service Delivery

Effective, Efficient & Economic Service Delivery. Presented by Dr Maria S. Motebang 02/11/2004. 1. Introduction. Definition of Concepts: Effective: capable, useful, functional, productive, competent Efficient: unwasteful, economic, productive

404 views • 13 slides

Ohio Department of Mental Health Provider Web Portal

299 views • 12 slides

Cognitive Radio: Opportunities and Challenges

337 views • 11 slides