'Transmitted signal' diaporamas de présentation

Introduction

Introduction. Lecture # 2. Overview. Fundamentals of wireless communication technology The electromagnetic spectrum Radio propagation mechanisms Characteristics of the wireless channel Modulation techniques Multiple access techniques Error control Computer networks

1.05k views • 88 slides

Physical Layer

Physical Layer. Overview of physical layer Channel limitation Modulation/demodulation. Introduction. Physical layer. What You Need for Better Understanding. Representation of Information. Digital representation Information that occurs naturally in digital form data files or image files

2.58k views • 81 slides

Physical Layer

Physical Layer. Overview of physical layer Channel limitation Modulation/demodulation. Introduction. Physical layer. What You Need for Better Understanding. Representation of Information. Digital representation Information that occurs naturally in digital form data files or image files

959 views • 81 slides

Modulation Techniques

Modulation Techniques. Dr. J. Martin Leo Manickam Professor. Challenges in Mobile Communication. Channel fading Energy Bandwidth. Digital Modulation. Digital signal is converted into analog bit stream. Classification. Linear modulation. Non linear (constant envelope) modulation.

996 views • 54 slides

Modulation Techniques

Modulation Techniques. Dr. J. Martin Leo Manickam Professor. Challenges in Mobile Communication. Channel fading Energy Bandwidth. Digital Modulation. Digital signal is converted into analog bit stream. Classification. Linear modulation. Non linear (constant envelope) modulation.

563 views • 54 slides

An Edgeworth Series Expansion for Multipath Fading Channel Densities

An Edgeworth Series Expansion for Multipath Fading Channel Densities. Nickie Menemenlis C. D. Charalambous McGill University University of Ottawa. 41 st IEEE 2002 Conference on Decision and Control December 10 - 13, 2002 Las Vegas, Nevada. Overview. Wireless Communication System

418 views • 31 slides

Physical layer

511 views • 28 slides

Channel Equalization Techniques

Channel Equalization Techniques. Fernando Gregorio Based on: 1-Adaptive Signal Processing, Benesty-Huang 2-Fundamentals of Adaptive Filtering, Ali H. Sayed. Outline. Introducction Channel equalization Linear equalizers Decision feedback equalizers

1.06k views • 26 slides

The Lean Enterprise

435 views • 22 slides

Introduction to Wireless Sensor Networks

Introduction to Wireless Sensor Networks. Spread Spectrum and CDMA 24 February 2005. Organizational. Class Website. www.engineering.uiowa.edu/~ece195/2005/. Class Time. Midterm Exam. Time: March 10, 2005. Modulation Schemes. Basic Question Why do we modulate at all?

292 views • 16 slides

Ali Al- Saihati ID# 200350130

223 views • 13 slides

Binary Phase Shift Keying (BPSK) & Quadri Phase Shift Keying (QPSK)

Binary Phase Shift Keying (BPSK) & Quadri Phase Shift Keying (QPSK). Binary Phase Shift Keying (BPSK). The BPSK signal is generated as: The transmitted signals are: - -. Illustration of BPSK. Note: Bits 1 and 0 have the same amplitude and frequency but they differ in phase.

1.05k views • 12 slides

Rome, February 14, 2013

Status of the Project Report on the first year activities. With the support of the Prevention, Preparedness and Consequence Management of Terrorism and other Security-related Risks Programme European Commission - Directorate-General Home Affairs. Rome, February 14, 2013.

199 views • 9 slides

Information Capacity and Communication Systems

232 views • 9 slides

Collaborative Research: Collective Mode Spectroscopy in Unconventional Superconductors

CeCoIn 5. P in. P out. Meander line. CeCoIn 5. Collaborative Research: Collective Mode Spectroscopy in Unconventional Superconductors John B. Ketterson, Northwestern University, DMR 0509357.

97 views • 2 slides

Measuring Wireless Propagation in Sensor Networks

TX. RX. Center for Embedded Networked Sensing. Measuring Wireless Propagation in Sensor Networks. Valerie Bick, Katherine Kuan, Eric Seidler, Haleh Tabrizi Mentor: David Browne, UnWiReD Lab - http://www.unwired.ee.ucla.edu/. Introduction: Wireless Communication Network Sensors.

152 views • 1 slides