'Guard time' diaporamas de présentation

Wireless Local Networks are Emerging

1.47k views • 131 slides

Mohammed E. Eltayeb Electrical Engineering Department

Opportunistic Scheduling with Limited Feedback in Wireless Communications Systems. By. Mohammed E. Eltayeb Electrical Engineering Department King Fahd University of Petroleum and Minerals (KFUPM) E-mail: melgaily@kfupm.edu.sa Thesis Advisor : Dr. Yahya S. AL-Harthi.

701 views • 70 slides

Salient features

Salient features. BASIC IDEA : Channel bandwidth is divided into multiple subchannels to reduce ISI and frequency-selective fading. Multicarrier transmission : Subcarriers are orthogonal each other in frequency domain. Time-domain spreading:

887 views • 40 slides

DIGITAL SPREAD SPECTRUM SYSTEMS

DIGITAL SPREAD SPECTRUM SYSTEMS. ENG-737 Lecture 9. Wright State University James P. Stephens. MULTIPATH SCENARIO. TYPES OF FADING DUE TO MULTIPATH. Multipath - Delay Spread Flat Frequency selective Doppler (Frequency Dispersion) Fast Slow What is Coherence BW?

689 views • 40 slides

Broadband Wireless

451 views • 32 slides

Analysis of a Clock Synchronization Protocol for Wireless Sensor Networks

Faranak Heidarian Julien Schmaltz Frits Vaandrager. Analysis of a Clock Synchronization Protocol for Wireless Sensor Networks. Introduction Synchronization Algorithm Time Model UPPAAL Model Error Scenarios Clique Topology Line Topology Conclusion. Outline. Introduction.

305 views • 19 slides

Multiuser Diversity Gain Enhancement by Guard Time Reduction

336 views • 19 slides

Grant Scheduling for EPONs Considering Varying RTTs and Grant Window Sizes

Grant Scheduling for EPONs Considering Varying RTTs and Grant Window Sizes. ??? 2011-03-02. System Model. Offline DBA framework Grant Sizing & Grant Scheduling Fixed Guard Time between Transmission Windows Ignore GRANT message and Scheduling Time.

259 views • 15 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: IEEE802.15.3: Guard Time in the 802.15.3 MAC. Date Submitted: 19 September, 2001 Source: Dr. William Shvodian Company: XtremeSpectrum

209 views • 14 slides

Godly Marriages

Godly Marriages. The Toilet Paper Roll: Do they grow on the holders? Health Watch: Bringing Her Flowers is Not Harmful to Your Health Real Men Ask for Directions When Lost Loss of Identity: Losing the remote to your spouse How to Be the Ideal Shopping Companion

258 views • 8 slides