'Power efficiency' diaporamas de présentation

Programmable processors for wireless base-stations

Programmable processors for wireless base-stations. Sridhar Rajagopal ( sridhar@rice.edu ) December 9, 2003. Fact#1: Wireless rates ? clock rates. 4. 10. Clock frequency (MHz). 3. 10. 2. 10. W-LAN data rate (Mbps). 1. 10. 0. 10. -1. 10. Cellular data rate (Mbps). -2. 10. -3.

741 views • 64 slides

Digital Modulation Schemes

Digital Modulation Schemes. transmitter. receiver. Transmission. Modulation. Amplitude Modulation. Double Sideband Spectrum. QPSK modulation. In Practice. RZ and NRZ Line Codes & spectra. Nyquist Pulses for zero-ISI. Raised Cosine Spectrum. Spectrum of Raised Cosine pulse.

1.54k views • 63 slides

Always race to sleep?

Always race to sleep?. i.e. how we managed to confuse ourselves by talking about two kinds of race to sleep. Always race to sleep?. i.e. how we managed to confuse ourselves by talking about two kinds of race to sleep.

365 views • 30 slides

info@freehand-dsp

430 views • 26 slides

Comments on 802.11 HEW Draft PAR & 5C Document

Comments on 802.11 HEW Draft PAR & 5C Document. Authors:. Date: 2014-01-20. Abstract. This document provides some comments on the 802.11 HEW Draft PAR & 5C Document based on 13/1410r3. Commented Topics. Quantified throughput improvement Power Efficiency Bands and Backward Compatibility

368 views • 21 slides

What is a Sensor Web ?

What is a Sensor Web ?. Abhinav Roongta Wireless Information Networking Group University of Florida March 3, 2004. Outline. Sensor Web Definition Basics Organization Potential Current applications. Introduction. Single transducer monitors and records particular aspect of environment.

371 views • 20 slides

EASY6000

EASY6000. A step forward for HEP electronics Viareggio, 14 June 2019. New requirements in HL-LHC. EASY6000 concept. Extremely flexible architecture, allowing more configurations than the previous generation

311 views • 19 slides

Presentation Overview

Presentation Overview. What is Virtual Retinal Display Basics of VRD How Work VRD VRD System Overview Key Features Advantages Disadvantages Application Future Scope Conclusion. W hat is Virtual Retinal Display?. PDD under development in HIT lab, University of Washington.

305 views • 17 slides

Presentation Overview

Presentation Overview. What is Virtual Retinal Display Basics of VRD How Work VRD VRD System Overview Key Features Advantages Disadvantages Application Future Scope Conclusion. W hat is Virtual Retinal Display?. PDD under development in HIT lab, University of Washington.

291 views • 17 slides

Digital Modulation

Digital Modulation. Better performance and more cost effective than analog modulation methods (AM, FM, etc.) Used in 2 nd generation (2G) cellular systems in U.S. from 1998 - present AT&T Wireless, Verizon Wireless, Sprint, T-mobile, Cingular (now AT&T), Nextel (now Sprint), etc.

390 views • 17 slides

Power-Accuracy Tradeoffs in Human Activity Transition Detection

Power-Accuracy Tradeoffs in Human Activity Transition Detection. Prepared for DATE 2010 Dresden, Germany Jeffrey Boyd , Hari Sundaram, Aviral Shrivastava Arizona State University. The Ideal. Small Lightweight Unobtrusive Battery Life: Days, Weeks. On Low-power HW & SW:.

271 views • 16 slides

CHEP 2012 Computing in High Energy and Nuclear Physics

296 views • 16 slides

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: [ Bridging the gap between SC and OFDM as a basis for the 802.15.3c PHY ] Date Submitted: [14 November, 2006] Source: [Slobodan Nedic, Nedics Associates]

226 views • 16 slides

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????????. ?? ?? : Linearity Improvement of High Efficiency Envelope Tracking Amplifier using Dynamic Gate Voltage Takeshi Okada, Yoji Isota, Takayuki Sasamori, Teruo Tobana

272 views • 14 slides

ASGC Site Report

ASGC Site Report. Felix Lee HEPiX 2011 Fall In Vancouver 24 Oct, 2011. 2. ASGC Data Centre. Cooling Power : CPU Power Summer 1 : 1.4 Winter 1 : 2. Total Capacity 2MW, 400 tons AHUs 99 racks ~ 800 m2 Resources 15,000 CPU Cores 6 PB Disk 5 PB Tape Rack Space Usage (Racks)

290 views • 12 slides

Common mistakes

208 views • 9 slides

OK Free Trade Zone

168 views • 6 slides

Low Cost Free Space Optical Link using LEDs

Low Cost Free Space Optical Link using LEDs. Dr. Stephen E. Ralph. Hardware/Optics. FSO. Interface. Driver. Driver. Interface. LED. PD. USB. USB. Serial Data Transfer. Block Diagram. 500Mbps max bit rate. Tasks. Optimum LEDs/PDs

179 views • 4 slides

Rise of The Machines

373 views • 2 slides

The Plasma Tweeter

115 th NYC October 10-13 2003 . Waves and Beams. http://ionAudio.net. The flame has no mass: Perfect Transient Response, Acoustic Impedance Match!. Improve overall system linearity. Increase flame size to include midrange frequencies!!.

460 views • 1 slides