'Spectrum utilization' diaporamas de présentation

Cognitive Wireless Networking in the TV Bands

672 views • 56 slides

Allocating Dynamic Time-Spectrum Blocks in Cognitive Radio Networks

523 views • 34 slides

Enabling Co-channel Coexistence of 802.22 and 802.11af Systems in TV White Spaces

Enabling Co-channel Coexistence of 802.22 and 802.11af Systems in TV White Spaces. Xiaojun Feng , Qian Zhang, and Bo Li Hong Kong University of Science and Technology IEEE ICC 2013. Outline. Background Coexistence Problem Busy-tone based Coexistence Framework Simulation Results

613 views • 26 slides

Bin Le

Bin Le.

266 views • 26 slides

Opportunistic Spectrum Access: Challenges, Architecture, Protocols

Opportunistic Spectrum Access: Challenges, Architecture, Protocols. C. Santivanez, R. Ramanathan (presenter), C. Partridge, R. Krishnan, M. Condell, S. Polit Internetwork Research Department BBN Technologies, Cambridge, MA (ramanath@bbn.com). Outline. Introduction and motivation

440 views • 25 slides

Progress Report on OWDM-Based Cognitive Radio System

Progress Report on OWDM-Based Cognitive Radio System. Presenter: Kuan-Hung Chen Adviser: Tzi-Dar Chiueh March 28, 2005. Outline. Why Cognitive Radios? Motivation Orthogonal Wavelet Division Multiplexing (OWDM) OWDM-Based Cognitive Radio System Simulation Results Conclusions.

446 views • 24 slides

A Prior-Free Revenue Maximizing Auction for Secondary Spectrum Access

A Prior-Free Revenue Maximizing Auction for Secondary Spectrum Access. Ajay Gopinathan and Zongpeng Li IEEE INFOCOM 2011 , Shanghai, China. The Secondary Spectrum Market. We require an auction protocol for secondary spectrum access that is Revenue -Maximizing Strategyproof (truthful)

396 views • 23 slides

ITU-R Standardization Activities

206 views • 19 slides

Software Radio Enabling Dynamic Spectrum Management

311 views • 18 slides

Software Radio Enabling Dynamic Spectrum Management

291 views • 18 slides

802-22 Response to Comments on the 802.22 Revision PAR

802-22 Response to Comments on the 802.22 Revision PAR. Date: 2013-11-13. Authors:. Summary. 802.22 General Comments The 802.22 WG submitted the initial revision PAR as contained in document [ 22-13-0138Rev2 ] on October 10 th 2013

279 views • 16 slides

Cognitive Engine Development for IEEE 802.22

Cognitive Engine Development for IEEE 802.22. Lizdabel Morales April 16 th , 2007 lizdabel@vt.edu. Presentation Outline. Introduction IEEE 802.22 Cognitive Radio CE Development Approach Simulation and Results Future Work. What is a cognitive radio?. Cognitive radio. Cognition cycle.

399 views • 14 slides

Mobility and Spectrum Management of Wireless Networks and Mobile C ommunications

Mobility and Spectrum Management of Wireless Networks and Mobile C ommunications. Qian Zhang Hong Kong University of Science and Technology 2011-12-13. RFID Applications. Internet. Voice. Email. Various Info/Media. New Mobile Devices. SMS. Video. Sensor Applications.

230 views • 9 slides

Evolutionary and Game Changing Technologies for Solar Power Generation

190 views • 7 slides

Mark A. McHenry. Ph.D. President and CTO Shared Spectrum Company

186 views • 6 slides