'Multipath propagation' diaporamas de présentation

Computer Data Communications

Chapter 9: Wireless Services Part 3: Cellular Wireless Networks. Computer Data Communications. Introduction. Overview of Cellular System Cellular Geometries Frequency Reuse Operations of Cellular System Mobile Radio Propagation Effects Design Factors Multipath Propagation

955 views • 65 slides

Data and Computer Communications

763 views • 56 slides

EE 6331, Spring, 2009 Advanced Telecommunication

EE 6331, Spring, 2009 Advanced Telecommunication. Zhu Han Department of Electrical and Computer Engineering Class 8 Feb. 12 th , 2009. Outline. Review Small Scale Fading Small-scale Multipath Propagation Dopler Effect Small-scale Multipath Measurements Four types of Fading Slow Fading

934 views • 41 slides

Wireless Channel Emulation

Wireless Channel Emulation. Mehmood Ismail Tily Sabiha Hasan. INTRODUCTION. Introduction. The aim of the project is to design and emulate the effects of wireless propagation on transmitted signals. Specifically targeting the effects of wireless communication amongst multiple motes.

465 views • 33 slides

The Propagation Factor in Mobile Wireless Networks

The Propagation Factor in Mobile Wireless Networks. Syed Aun Abbas LUMS SSE. Structure of the Talk. Aims to look at Mobile networks from numerous perspectives Business considerations Inter cell considerations Intra cell considerations System considerations

469 views • 24 slides

Improving QoS Support in Mobile Ad Hoc Networks

Improving QoS Support in Mobile Ad Hoc Networks. Agenda Motivations Proposed Framework Packet-level FEC Multipath Routing Simulation Results Conclusions. Motivations. Challenges for improving QoS in MANET Network congestion, buffer overflow

417 views • 24 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: [Ranging with IEEE 802.15.4 Narrow-Band PHY] Date Submitted: [14 November, 2012] Source: [Wolfram Kluge, Dietmar Eggert, Liang Li] Company: [Atmel]

244 views • 15 slides

Underwater wireless communication

Underwater wireless communication. By: k.shiva shankar Electronics and communication engineering (06J11A04A4). INTRODUCTION.

881 views • 13 slides

Fading

Fading. Yan Fei. Contents. Concepts Cause of Fading Slow and Fast Fading Fading Models Solution. Concept. What is Fading? It is about the phenomenon of loss of signal in telecommunications. A fading channel is a communication channel that experiences fading. Cause of Fading.

339 views • 4 slides