'Packet losses' diaporamas de présentation

Mobile Ad Hoc Networks: routing, power control and security

Mobile Ad Hoc Networks: routing, power control and security. Mostly written by Dr. Nitin H. Vaidya University of Illinois at Urbana-Champaign March 22, 2006. Notes. Names in brackets, as in [Xyz00], refer to a reference Most schemes include many more details, and optimizations

1.75k views • 168 slides

An Introduction to Network Coding

1.57k views • 119 slides

Telecommunication Systems and Technologies

968 views • 82 slides

TCP for Wireless and Mobile Hosts

TCP for Wireless and Mobile Hosts. Nitin H. Vaidya Computer Science Department Texas A&M University vaidya@cs.tamu.edu http://www.cs.tamu.edu/faculty/vaidya/. Note. This is an overview talk Lot of work discussed in this talk is by other people, not by Vaidya

774 views • 69 slides

Interference-Aware Fair Control in Wireless Sensor Networks

Interference-Aware Fair Control in Wireless Sensor Networks. Present by Zhe Zhou. Outline. Introduction Related Work Motivation and Definitions IFRC Design Parameter Selection In IFRC Evaluation Conclusions. Outline. Introduction Related Work Motivation and Definitions IFRC Design

672 views • 56 slides

VoIP AND MOBILITY

653 views • 52 slides

Modeling TCP Throughput: A Simple Model and its Empirical Validation

Modeling TCP Throughput: A Simple Model and its Empirical Validation. Jitendra Padhye, Victor Firoiu, Don Towsley, and Jim Kurose Department of Computer Science University of Massachusetts Amherst, MA. Contributions.

639 views • 41 slides

TCP\IP window and Slow-Start study over wireless channels

TCPIP window and Slow-Start study over wireless channels. TERM PROJECT PRESENTATION Presented By Kaleemullah Khan Electrical Engineering ID # 220564. Problem definition. TCP earlier designed for wired networks Problems faced when TCP is used for wireless networks

536 views • 33 slides

Multimedia Streaming Protocols

Multimedia Streaming Protocols. Multimedia Streaming Protocols. signalling and control protocols protocols conveying session setup information and VCR-like commands (play, pause, mute, setup, fast forward, backward etc.) ex. RTSP, SDP, SIP real-time transport protocols

624 views • 30 slides

Prof. Maria Papadopouli University of Crete ICS-FORTH ics.forth.gr/mobile

Lecture on VoIP over wireless networks. 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

525 views • 30 slides

Diagnosing Wireless Packet Losses in 802.11: Separating Collision from Weak Signal

Diagnosing Wireless Packet Losses in 802.11: Separating Collision from Weak Signal. Presented By: Jacob H. Cox Jr For ECE 256: Wireless Networking and Mobile Computing February 10, 2009. Acknowledgments.

456 views • 29 slides

RTSP Real Time Streaming Protocol

798 views • 27 slides

689 Lecture 2

689 Lecture 2. Review of Last Lecture Networking basics TCP/UDP review. Multimedia Applications. Video-on-demand Near-video-on-demand Interactive games Teleconferencing IP Telephony Training/Travel videos. Multimedia Requirements. Guarantees over long periods of time

390 views • 27 slides

Investigation of Voice Traffic in Wi-Fi Environment

Investigation of Voice Traffic in Wi-Fi Environment. Jukka Kantanen, 21.10.2019. IEEE 802.11b WLAN Some Basics of Voice Traffic What is VoIP? Parameters Affecting VoIP Quality Measurement Setup Results. Topics. IEEE 802.11b WLAN. Operating in the ISM band at 2.4 GHz

480 views • 23 slides

Analysis of compressed depth and image streaming on unreliable networks

Analysis of compressed depth and image streaming on unreliable networks. Pietro Zanuttigh, Andrea Zanella, Guido M. Cortelazzo. The problem. Remote browsing of 3D scenes over wireless channels 3D representations usually require huge amount of data Real time browsing

313 views • 23 slides

Assessing The Real Impact of 802.11 WLANs: A Large-Scale Comparison of Wired and Wireless Traffic

Assessing The Real Impact of 802.11 WLANs: A Large-Scale Comparison of Wired and Wireless Traffic. Maria Papadopouli * Assistant Professor Department of Computer Science University of North Carolina at Chapel Hill (UNC).

323 views • 21 slides

TCP over ad hoc networks

350 views • 19 slides

Helping TCP Work at Gbps

Helping TCP Work at Gbps. Cheng Jin the FAST project at Caltech. http://netlab.caltech.edu/FAST. Talk Outline. TCP Reno does not perform well at Gbps TCP protocol has stability problems How FAST improves stability of TCP Project status. High Energy Physics.

279 views • 17 slides

SureCall: Towards Glitch-Free Real-Time Audio/Video Conferencing

SureCall: Towards Glitch-Free Real-Time Audio/Video Conferencing. Amit Mondal, Northwestern University Ross Cutler, Microsoft Corporation Cheng Huang , Microsoft Research Jin Li, Microsoft Research Aleksandar Kuzmanovic, Northwestern University. Physical Presence or United Communications?.

274 views • 15 slides

TCP in Wireless Environments: Problems and Solutions

TCP in Wireless Environments: Problems and Solutions. Author: Ye Tian, Kai Xu, Nirwan Ansari Reporter: ???. Contents. 1. Abstract. 2. Introduction. 3. Challenges. 4. Approaches. Abstract. Dominance remarkable simplicity and reliability Design wired networks

253 views • 15 slides