Mm- Wave Propaga-on: Fundamentals and Models
|
|
|
- Elaine Snow
- 5 years ago
- Views:
Transcription
1 Mm- Wave Propaga-on: Fundamentals and Models Hajime Suzuki 7 April 2014 CSIRO Computa-onal Informa-cs
2 CSIRO Radio Physics Laboratory Advanced Wireless Broadband Communica:ons in Rural Areas Page 2
3 Coded OFDM Wireless LAN Mm- Wave Propaga:on: Fundamentals and Models Page 3
4 CSIRO s WLAN Testbed Carrier: 2.4 GHz, 5.2 GHz, 40 GHz Bandwidth: 125 MHz Time resolu:on: 8 ns raw, 16 ns aper filtering. BER / FER measurement Mm- Wave Propaga:on: Fundamentals and Models Page 4
5 CSIRO s WLAN Testbed Carrier: 2.4 GHz, 5.2 GHz, 40 GHz Bandwidth: 125 MHz Time resolu:on: 8 ns raw, 16 ns aper filtering. BER / FER measurement Mm- Wave Propaga:on: Fundamentals and Models Page 5
6 Mul-gigabit mm- Wave PtoP System Mm- Wave Propaga:on: Fundamentals and Models Page 6
7 Mm- Wave Propaga:on: Fundamentals and Models Page 7
8 mm- Wave Frequency 3kHz 30kHz 300kHz 3MHz 30MHz 300MHz 3GHz 30GHz 300GHz 3THz 30THz 300THz VLF LF MF HF VHF UHF SHF EHF Infrared UV 100km 10km 1km 100m 10m 1m 100mm 10mm 1mm 100µm 10µm 1µm 100nm Wavelength mm-wave Mm- Wave Propaga:on: Fundamentals and Models Page 8
9 How to Generate Electromagne-c Wave Half wavelength, e.g. 5 mm at 30 GHz Mm- Wave Propaga:on: Fundamentals and Models Page 9
10 Half- Wave Dipole Radia-on Mm- Wave Propaga:on: Fundamentals and Models Page 10
11 Friis Transmission Formula P r = PG G t t r 4 λ π d 2 P r P t G G t r : Received power (W) : Transmitted power (W) :Transmitter antenna gain : Receiver antenna gain λ : Wavelength (m) d : Distance (m) Mm- Wave Propaga:on: Fundamentals and Models Page 11
12 Friis Transmission Formula P r [dbm] = P[dBm] + G t t [dbi] + G [dbi] ( log f [MHz] + 20 log [km]) r d P [dbm] = r P[dBm] + G t t [dbi] + G [dbi] ( log f [GHz] + 20 log [m]) r d Mm- Wave Propaga:on: Fundamentals and Models Page 12
13 Half- Wave Dipole Radia-on Mm- Wave Propaga:on: Fundamentals and Models Page 13
14 Ver-cally Polarized Wave Mm- Wave Propaga:on: Fundamentals and Models Page 14
15 Horizontally Polarized Wave Mm- Wave Propaga:on: Fundamentals and Models Page 15
16 Linearly Polarized Wave Mm- Wave Propaga:on: Fundamentals and Models Page 16
17 Circularly Polarized Wave Mm- Wave Propaga:on: Fundamentals and Models Page 17
18 Reflec-on and Refrac-on ε, σ 1 µ 1, 1 θ1 θ1 ε = 1µ 1 sinθ1 ε 2µ 2 sin θ 2 ε, σ 2 µ 2, 2 θ 2 Mm- Wave Propaga:on: Fundamentals and Models Page 18
19 Electrical Proper-es of Material ε ʹ = a ( f [GHz]) b σ = c( f [GHz]) d [S/m] r ITU-R P.2040 Effects of building materials and structures on radiowave propagation above about 100 MHz Mm- Wave Propaga:on: Fundamentals and Models Page 19
20 Reflec-on and Transmission Coefficients ITU-R P.2040 Glass 30 GHz Mm- Wave Propaga:on: Fundamentals and Models Page 20
21 Reflec-on and Refrac-on Mm- Wave Propaga:on: Fundamentals and Models Page 21
22 Standing Wave Mm- Wave Propaga:on: Fundamentals and Models Page 22
23 Total Reflec-on Mm- Wave Propaga:on: Fundamentals and Models Page 23
24 Reflec-on of Parabola Antenna Mm- Wave Propaga:on: Fundamentals and Models Page 24
25 Mul-path Tx Rx Mm- Wave Propaga:on: Fundamentals and Models Page 25
26 Mul-path Tx Rx Mm- Wave Propaga:on: Fundamentals and Models Page 26
27 Mul-path Amplitude Time Impulse response h α k N = k k = 1 j k ( τ) α e φ δ ( τ τ ) : Amplitude of kth component φ : Phase shift of kth component k τ : Time delay of kth component k N : Number of signal components k Magnitude (db) N ( f ) = H k= 1 α e k jφ k e j2πfτ k Frequency Frequency Response Mm- Wave Propaga:on: Fundamentals and Models Page 27
28 Mul-path Tx Rx Mm- Wave Propaga:on: Fundamentals and Models Page 28
29 Mul-path Magnitude (db) Phase (deg) Frequency (GHz) Frequency (GHz) 0 Magnitude (db) Time (ns) Mm- Wave Propaga:on: Fundamentals and Models Page 29
30 Diffrac-on Mm- Wave Propaga:on: Fundamentals and Models Page 30
31 Diffrac-on Mm- Wave Propaga:on: Fundamentals and Models Page 31
32 ScaSering Mm- Wave Propaga:on: Fundamentals and Models Page 32
33 ScaSering Mm- Wave Propaga:on: Fundamentals and Models Page 33
34 ASenua-on Due to Atmospheric Gases ITU-R P Line-by-line calculation Pressure: 1013 hpa Temperature: 15 C Water-vapor density: 7.5g/m 3 Mm- Wave Propaga:on: Fundamentals and Models Page 34
35 ASenua-on Due to Atmospheric Gases ITU-R P Path Attenuation Calculation Method Mm- Wave Propaga:on: Fundamentals and Models Page 35
36 Conclusions mmw propagation fundamentals and models covered (especially for terrestrial and indoor communications). mmw propagation issues related to radio astronomy and space communications?
Contents. ITS323: Introduction to Data Communications CSS331: Fundamentals of Data Communications. Transmission Media and Spectrum.
2 ITS323: Introduction to Data Communications CSS331: Fundamentals of Data Communications Sirindhorn International Institute of Technology Thammasat University Prepared by Steven Gordon on 3 August 2015
ITS323: Introduction to Data Communications CSS331: Fundamentals of Data Communications
ITS323: Introduction to Data Communications CSS331: Fundamentals of Data Communications Sirindhorn International Institute of Technology Thammasat University Prepared by Steven Gordon on 3 August 2015
Radio Propagation Fundamentals
Radio Propagation Fundamentals Concept of Electromagnetic Wave Propagation Mechanisms Modes of Propagation Propagation Models Path Profiles Link Budget Fading Channels Electromagnetic (EM) Waves EM Wave
Antenna & Propagation. Basic Radio Wave Propagation
For updated version, please click on http://ocw.ump.edu.my Antenna & Propagation Basic Radio Wave Propagation by Nor Hadzfizah Binti Mohd Radi Faculty of Electric & Electronics Engineering hadzfizah@ump.edu.my
Experimental Evaluation Scheme of UWB Antenna Performance
Tokyo Tech. Experimental Evaluation Scheme of UWB Antenna Performance Sathaporn PROMWONG Wataru HACHITANI Jun-ichi TAKADA TAKADA-Laboratory Mobile Communication Research Group Graduate School of Science
Vehicle Networks. Wireless communication basics. Univ.-Prof. Dr. Thomas Strang, Dipl.-Inform. Matthias Röckl
Vehicle Networks Wireless communication basics Univ.-Prof. Dr. Thomas Strang, Dipl.-Inform. Matthias Röckl Outline Wireless Signal Propagation Electro-magnetic waves Signal impairments Attenuation Distortion
Mobile Communications
Mobile Communications Part IV- Propagation Characteristics Professor Z Ghassemlooy School of Computing, Engineering and Information Sciences University of Northumbria U.K. http://soe.unn.ac.uk/ocr Contents
Chapter 3. Mobile Radio Propagation
Chapter 3 Mobile Radio Propagation Based on the slides of Dr. Dharma P. Agrawal, University of Cincinnati and Dr. Andrea Goldsmith, Stanford University Propagation Mechanisms Outline Radio Propagation
E-716-A Mobile Communications Systems. Lecture #2 Basic Concepts of Wireless Transmission (p1) Instructor: Dr. Ahmad El-Banna
October 2014 Ahmad El-Banna Integrated Technical Education Cluster At AlAmeeria E-716-A Mobile Communications Systems Lecture #2 Basic Concepts of Wireless Transmission (p1) Instructor: Dr. Ahmad El-Banna
WIRELESS TRANSMISSION
COMP 635: WIRELESS NETWORKS WIRELESS TRANSMISSION Jasleen Kaur Fall 205 Outline Frequenc Spectrum Ø Usage and Licensing Signals and Antennas Ø Propagation Characteristics Multipleing Ø Space, Frequenc,
Wireless Communication Fundamentals Feb. 8, 2005
Wireless Communication Fundamentals Feb. 8, 005 Dr. Chengzhi Li 1 Suggested Reading Chapter Wireless Communications by T. S. Rappaport, 001 (version ) Rayleigh Fading Channels in Mobile Digital Communication
EEM.Ant. Antennas and Propagation
EEM.ant/0304/08pg/Req: None 1/8 UNIVERSITY OF SURREY Department of Electronic Engineering MSc EXAMINATION EEM.Ant Antennas and Propagation Duration: 2 Hours Spring 2003/04 READ THESE INSTRUCTIONS Answer
Ad hoc and Sensor Networks Chapter 4: Physical layer. Holger Karl
Ad hoc and Sensor Networks Chapter 4: Physical layer Holger Karl Goals of this chapter Get an understanding of the peculiarities of wireless communication Wireless channel as abstraction of these properties
A bluffer s guide to Radar
A bluffer s guide to Radar Andy French December 2009 We may produce at will, from a sending station, an electrical effect in any particular region of the globe; (with which) we may determine the relative
Final Examination. 22 April 2013, 9:30 12:00. Examiner: Prof. Sean V. Hum. All non-programmable electronic calculators are allowed.
UNIVERSITY OF TORONTO FACULTY OF APPLIED SCIENCE AND ENGINEERING The Edward S. Rogers Sr. Department of Electrical and Computer Engineering ECE 422H1S RADIO AND MICROWAVE WIRELESS SYSTEMS Final Examination
Written Exam Channel Modeling for Wireless Communications - ETIN10
Written Exam Channel Modeling for Wireless Communications - ETIN10 Department of Electrical and Information Technology Lund University 2017-03-13 2.00 PM - 7.00 PM A minimum of 30 out of 60 points are
Chapter 1: Telecommunication Fundamentals
Chapter 1: Telecommunication Fundamentals Block Diagram of a communication system Noise n(t) m(t) Information (base-band signal) Signal Processing Carrier Circuits s(t) Transmission Medium r(t) Signal
Wireless PHY: Modulation and Demodulation
Wireless PHY: Modulation and Demodulation Y. Richard Yang 09/6/2012 Outline Admin and recap Frequency domain examples Basic concepts of modulation Amplitude modulation Amplitude demodulation frequency
Chapter 4 Radio Communication Basics
Chapter 4 Radio Communication Basics Chapter 4 Radio Communication Basics RF Signal Propagation and Reception Basics and Keywords Transmitter Power and Receiver Sensitivity Power - antenna gain: G TX,
RECOMMENDATION ITU-R P The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands
Rec. ITU-R P.1816 1 RECOMMENDATION ITU-R P.1816 The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands (Question ITU-R 211/3) (2007) Scope The purpose
CS441 Mobile & Wireless Computing Communication Basics
Department of Computer Science Southern Illinois University Carbondale CS441 Mobile & Wireless Computing Communication Basics Dr. Kemal Akkaya E-mail: kemal@cs.siu.edu Kemal Akkaya Mobile & Wireless Computing
Data and Computer Communications Chapter 4 Transmission Media
Data and Computer Communications Chapter 4 Transmission Media Ninth Edition by William Stallings Data and Computer Communications, Ninth Edition by William Stallings, (c) Pearson Education - Prentice Hall,
Liquidmetal Electromagnetic Properties & RF Shielding Overview
Liquidmetal Electromagnetic Properties & RF Shielding Overview Liquidmetal alloy is more transparent to RF signals than many similar materials 1 Introduction H ow a material interacts with radio frequency
Wireless Sensor Networks 4th Lecture
Wireless Sensor Networks 4th Lecture 07.11.2006 Christian Schindelhauer schindel@informatik.uni-freiburg.de 1 Amplitude Representation Amplitude representation of a sinus curve s(t) = A sin(2π f t + ϕ)
Elements of Communication System Channel Fig: 1: Block Diagram of Communication System Terminology in Communication System
Content:- Fundamentals of Communication Engineering : Elements of a Communication System, Need of modulation, electromagnetic spectrum and typical applications, Unit V (Communication terminologies in communication
Antenna Engineering Lecture 0: Introduction
Antenna Engineering Lecture 0: Introduction ELCN405 Fall 2011 Communications and Computer Engineering Program Faculty of Engineering Cairo University 2 Outline 1 Electromagnetic Spectrum Recent Advances
Introduction to wireless systems
Introduction to wireless systems Wireless Systems a.a. 2014/2015 Un. of Rome La Sapienza Chiara Petrioli Department of Computer Science University of Rome Sapienza Italy Background- Wireless Systems What
Section 1 Wireless Transmission
Part : Wireless Communication! section : Wireless Transmission! Section : Digital modulation! Section : Multiplexing/Medium Access Control (MAC) Section Wireless Transmission Intro. to Wireless Transmission
Outline. Wireless PHY: Modulation and Demodulation. Admin. Page 1. g(t)e j2πk t dt. G[k] = 1 T. G[k] = = k L. ) = g L (t)e j2π f k t dt.
![Outline. Wireless PHY: Modulation and Demodulation. Admin. Page 1. g(t)e j2πk t dt. G[k] = 1 T. G[k] = = k L. ) = g L (t)e j2π f k t dt.](/thumbs/76/74238457.jpg "Outline. Wireless PHY: Modulation and Demodulation. Admin. Page 1. g(t)e j2πk t dt. G[k] = 1 T. G[k] = = k L. ) = g L (t)e j2π f k t dt.")
Outline Wireless PHY: Modulation and Demodulation Y. Richard Yang Admin and recap Basic concepts o modulation Amplitude demodulation requency shiting 09/6/202 2 Admin First assignment to be posted by this
Mobile Radio Propagation Channel Models
Wireless Information Transmission System Lab. Mobile Radio Propagation Channel Models Institute of Communications Engineering National Sun Yat-sen University Table of Contents Introduction Propagation
Chapter 1 Introduction
Wireless Information Transmission System Lab. Chapter 1 Introduction National Sun Yat-sen University Table of Contents Elements of a Digital Communication System Communication Channels and Their Wire-line
Rec. ITU-R P RECOMMENDATION ITU-R P PROPAGATION BY DIFFRACTION. (Question ITU-R 202/3)
Rec. ITU-R P.- 1 RECOMMENDATION ITU-R P.- PROPAGATION BY DIFFRACTION (Question ITU-R 0/) Rec. ITU-R P.- (1-1-1-1-1-1-1) The ITU Radiocommunication Assembly, considering a) that there is a need to provide
PRINCIPLES OF COMMUNICATION SYSTEMS. Lecture 1- Introduction Elements, Modulation, Demodulation, Frequency Spectrum
PRINCIPLES OF COMMUNICATION SYSTEMS Lecture 1- Introduction Elements, Modulation, Demodulation, Frequency Spectrum Topic covered Introduction to subject Elements of Communication system Modulation General
Chapter 2: Wireless Transmission. Mobile Communications. Spread spectrum. Multiplexing. Modulation. Frequencies. Antenna. Signals
Mobile Communications Chapter 2: Wireless Transmission Frequencies Multiplexing Signals Spread spectrum Antenna Modulation Signal propagation Cellular systems Prof. Dr.-Ing. Jochen Schiller, http://www.jochenschiller.de/
Chapter-15. Communication systems -1 mark Questions
Chapter-15 Communication systems -1 mark Questions 1) What are the three main units of a Communication System? 2) What is meant by Bandwidth of transmission? 3) What is a transducer? Give an example. 4)
Topic 5: Radio wave propagation and safety issues
6. Short-distance link design, Fresnel ellipsoide. Topic 5: Radio wave propagation and safety issues A 6. 10-km Short-distance link system, link see design, figures Fresnel 1) and 3) ellipsoide. below,
Outline. Wireless PHY: Modulation and Demodulation. Admin. Page 1. G[k] = 1 T. g(t)e j2πk t dt. G[k] = = k L. ) = g L (t)e j2π f k t dt.
![Outline. Wireless PHY: Modulation and Demodulation. Admin. Page 1. G[k] = 1 T. g(t)e j2πk t dt. G[k] = = k L. ) = g L (t)e j2π f k t dt.](/thumbs/89/97558237.jpg "Outline. Wireless PHY: Modulation and Demodulation. Admin. Page 1. G[k] = 1 T. g(t)e j2πk t dt. G[k] = = k L. ) = g L (t)e j2π f k t dt.")
Outline Wireless PHY: Modulation and Demodulation Y. Richard Yang Admin and recap Basic concepts o modulation Amplitude modulation Amplitude demodulation requency shiting 9/6/22 2 Admin First assignment
RRC Vehicular Communications Part II Radio Channel Characterisation
RRC Vehicular Communications Part II Radio Channel Characterisation Roberto Verdone Slides are provided as supporting tool, they are not a textbook! Outline 1. Fundamentals of Radio Propagation 2. Large
Radar Reprinted from "Waves in Motion", McGourty and Rideout, RET 2005
Radar Reprinted from "Waves in Motion", McGourty and Rideout, RET 2005 What is Radar? RADAR (Radio Detection And Ranging) is a way to detect and study far off targets by transmitting a radio pulse in the
Wireless Channel Propagation Model Small-scale Fading
Wireless Channel Propagation Model Small-scale Fading Basic Questions T x What will happen if the transmitter - changes transmit power? - changes frequency? - operates at higher speed? Transmit power,
Information on the Evaluation of VHF and UHF Terrestrial Cross-Border Frequency Coordination Requests
Issue 1 May 2013 Spectrum Management and Telecommunications Technical Bulletin Information on the Evaluation of VHF and UHF Terrestrial Cross-Border Frequency Coordination Requests Aussi disponible en
Reference Distribution
EPAC 08, Genoa, Italy RF Reference Signal Distribution System for FAIR M. Bousonville, GSI, Darmstadt, Germany P. Meissner, Technical University Darmstadt, Germany Dipl.-Ing. Michael Bousonville Page 1
Modeling Mutual Coupling and OFDM System with Computational Electromagnetics
Modeling Mutual Coupling and OFDM System with Computational Electromagnetics Nicholas J. Kirsch Drexel University Wireless Systems Laboratory Telecommunication Seminar October 15, 004 Introduction MIMO
WIRELESS COMMUNICATIONS PRELIMINARIES
WIRELESS COMMUNICATIONS Preliminaries Radio Environment Modulation Performance PRELIMINARIES db s and dbm s Frequency/Time Relationship Bandwidth, Symbol Rate, and Bit Rate 1 DECIBELS Relative signal strengths
Input electric signal. Transmitter. Noise and signals from other sources. Receiver. Output electric. signal. Electrical Communication System
Electrical Communication System: Block Diagram Information Source Input Transducer Input electric signal Transmitter Transmitted signal Noise and signals from other sources Channel Destination Output Transducer
Rec. ITU-R P RECOMMENDATION ITU-R P *
Rec. ITU-R P.682-1 1 RECOMMENDATION ITU-R P.682-1 * PROPAGATION DATA REQUIRED FOR THE DESIGN OF EARTH-SPACE AERONAUTICAL MOBILE TELECOMMUNICATION SYSTEMS (Question ITU-R 207/3) Rec. 682-1 (1990-1992) The
Study of Factors which affect the Calculation of Co- Channel Interference in a Radio Link
International Journal of Electronic and Electrical Engineering. ISSN 0974-2174 Volume 8, Number 2 (2015), pp. 103-111 International Research Publication House http://www.irphouse.com Study of Factors which
Attenuation in vegetation
Recommendation ITU-R P.833-7 (02/2012) Attenuation in vegetation P Series Radiowave propagation ii Rec. ITU-R P.833-7 Foreword The role of the Radiocommunication Sector is to ensure the rational, equitable,
EEG 816: Radiowave Propagation 2009
Student Matriculation No: Name: EEG 816: Radiowave Propagation 2009 Dr A Ogunsola This exam consists of 5 problems. The total number of pages is 5, including the cover page. You have 2.5 hours to solve
Groundwave Propagation, Part One
Groundwave Propagation, Part One 1 Planar Earth groundwave 2 Planar Earth groundwave example 3 Planar Earth elevated antenna effects Levis, Johnson, Teixeira (ESL/OSU) Radiowave Propagation August 17,
David Tipper. Graduate Telecommunications and Networking Program
Wireless Communication Fundamentals David Tipper Associate Professor Graduate Telecommunications and Networking Program University it of Pittsburgh Telcom 2700 Slides 2 Wireless Networks Wireless Wide
PROPAGATION MODELING 4C4
PROPAGATION MODELING ledoyle@tcd.ie 4C4 http://ledoyle.wordpress.com/temp/ Classification Band Initials Frequency Range Characteristics Extremely low ELF < 300 Hz Infra low ILF 300 Hz - 3 khz Ground wave
Noise and Propagation mechanisms
2 Noise and Propagation mechanisms Noise Johnson-Nyquist noise Physical review 1928 V rms2 = 4kTBR k : Bolzmann s constant T : absolute temperature B : bandwidth R : Resistance P=4kTB 1 1 Why is this a
Antenna Engineering Lecture 0: Introduction
Antenna Engineering Lecture 0: Introduction ELC 405a Fall 2011 Department of Electronics and Communications Engineering Faculty of Engineering Cairo University 2 Outline 1 Why Study Antenna Engineering?
Half-Wave Dipole. Radiation Resistance. Antenna Efficiency
Antennas Simple Antennas Isotropic radiator is the simplest antenna mathematically Radiates all the power supplied to it, equally in all directions Theoretical only, can t be built Useful as a reference:
Recommendation ITU-R F (05/2011)
Recommendation ITU-R F.1764-1 (05/011) Methodology to evaluate interference from user links in fixed service systems using high altitude platform stations to fixed wireless systems in the bands above 3
Chapter 2 PHYSICAL AND LINK LAYER
Chapter 2 PHYSICAL AND LINK LAYER Distributed Computing Group Mobile Computing Winter 2005 / 2006 Overview Frequencies Signals Antennas Signal propagation Multiplexing Spread spectrum CDMA Modulation Distributed
Structure of the Lecture
Structure of the Lecture Chapter 2 Technical Basics: Layer 1 Methods for Medium Access: Layer 2 Representation of digital signals on an analogous medium Signal propagation Characteristics of antennas Chapter
Week 2. Topics in Wireless Systems EE584-F 03 9/9/2003. Copyright 2003 Stevens Institute of Technology - All rights reserved
Week Topics in Wireless Systems 43 0 th Generation Wireless Systems Mobile Telephone Service Few, high-power, long-range basestations -> No sharing of spectrum -> few users -> expensive 44 Cellular Systems
KULLIYYAH OF ENGINEERING
KULLIYYAH OF ENGINEERING DEPARTMENT OF ELECTRICAL & COMPUTER ENGINEERING ANTENNA AND WAVE PROPAGATION LABORATORY (ECE 4103) EXPERIMENT NO 3 RADIATION PATTERN AND GAIN CHARACTERISTICS OF THE DISH (PARABOLIC)
Range Considerations for RF Networks
TI Technology Days 2010 Range Considerations for RF Networks Richard Wallace Abstract The antenna can be one of the most daunting components of wireless designs. Most information available relates to large
Engineering Discovery
Modeling, Computing, & Measurement: Measurement Systems # 4 Dr. Kevin Craig Professor of Mechanical Engineering Rensselaer Polytechnic Institute 1 Frequency Response and Filters When you hear music and
Supporting Network Planning Tools II
Session 5.8 Supporting Network Planning Tools II Roland Götz LS telcom AG / Spectrocan 1 Modern Radio Network Planning Tools Radio Network Planning Tool Data / Result Output Data Management Network Processor
Wireless Transmission:
Wireless Transmission: Physical Layer Aspects and Channel Characteristics Frequencies Signals Antenna Signal propagation Multiplexing Modulation Spread spectrum Cellular systems 1 Frequencies for communication
Get Discount Coupons for your Coaching institute and FREE Study Material at COMMUNICATION SYSTEMS
COMMUNICATION SYSTEMS 1. BASICS OF COMMUNICATION 2. AMPLITUDE MODULATION Get Discount Coupons for your Coaching institute and FREE Study Material at www.pickmycoaching.com 1 BASICS OF COMMUNICATION 1.
OBJECTIVES: PROPAGATION INTRO RADIO WAVES POLARIZATION LINE OF SIGHT, GROUND WAVE, SKY WAVE IONOSPHERE REGIONS PROPAGATION, HOPS, SKIPS ZONES THE
WAVE PROPAGATION OBJECTIVES: PROPAGATION INTRO RADIO WAVES POLARIZATION LINE OF SIGHT, GROUND WAVE, SKY WAVE IONOSPHERE REGIONS PROPAGATION, HOPS, SKIPS ZONES THE IONOSPHERIC LAYERS ABSORPTION AND FADING
Wireless Physical Layer Concepts: Part II
Wireless Physical Layer Concepts: Part II Raj Jain Professor of CSE Washington University in Saint Louis Saint Louis, MO 63130 Jain@cse.wustl.edu Audio/Video recordings of this lecture are available at:
RVRUSA - DATA DE REFERENCIA PARA INGENIEROS
Useful formulae Electrical formulae Electrical power in KW: DC power [KW]: YROW DPSHUH YROW DPSHUH AC power (single phase) [KW]: AC power (three-phase) [KW]: where: cos( j ) YROW DPSHUH 73. cos( j) Volt:
UNDER STANDING RADIO FREQUENCY Badger Meter, Inc.
UNDER STANDING RADIO FREQUENCY UNDERSTANDING RADIO FREQUENCY Regional Sales Meeting March 1-2, 2011 Brian Fiut Sr. Product Manager Itron Inc. Liberty Lake, WA August 25, 2010 RADIO PROPAGATION Radio consists
RADIATIONS. ELECTROMAGNETIC WAVES. Talián Csaba Gábor Dept. Biophysics Apr
RADIATIONS. ELECTROMAGNETIC WAVES. Talián Csaba Gábor Dept. Biophysics Apr 16. 2012. WHAT IS RADIATION? PROPAGATION OF ENERGY IN SPACE THROUGH TRAVELLING OF PARTICLES OR WAVES Particle: alfa-, beta-radiantion
Ultrawideband Radiation and Propagation
Ultrawideband Radiation and Propagation by Werner Sörgel, Christian Sturm and Werner Wiesbeck LS telcom Summit 26 5. July 26 UWB Applications high data rate fine resolution multimedia localisation UWB
Propagation data required for the design of Earth-space aeronautical mobile telecommunication systems
Recommendation ITU-R P68-3 (0/01) Propagation data required for the design of Earth-space aeronautical mobile telecommunication systems P Series Radiowave propagation ii Rec ITU-R P68-3 Foreword The role
Narrow- and wideband channels
RADIO SYSTEMS ETIN15 Lecture no: 3 Narrow- and wideband channels Ove Edfors, Department of Electrical and Information technology Ove.Edfors@eit.lth.se 2012-03-19 Ove Edfors - ETIN15 1 Contents Short review
Wireless Networked Systems. Lec #1b: PHY Basics
Wireless Networked Systems CS 795/895 - Spring 2013 Lec #1b: PHY Basics Tamer Nadeem Dept. of Computer Science Wireless Communication Page 2 Spring 2013 CS 795/895 - Wireless Networked Systems Radio Signal
Unbounded Transmission Media
Unbounded Transmission Media Unbounded Media The three main types of wireless media are Radio Microwave infrared Electromagnetic spectrum for wireless communication Unguided waves can travel from source
LE/EECS 3213 Fall Sebastian Magierowski York University. EECS 3213, F14 L8: Physical Media
LE/EECS 3213 Fall 2014 L8: Physical Media Properties Sebastian Magierowski York University 1 Key characteristics of physical media What signals in media are made out of Delay through media Attenuation
RECOMMENDATION ITU-R P Prediction of sky-wave field strength at frequencies between about 150 and khz
Rec. ITU-R P.1147-2 1 RECOMMENDATION ITU-R P.1147-2 Prediction of sky-wave field strength at frequencies between about 150 and 1 700 khz (Question ITU-R 225/3) (1995-1999-2003) The ITU Radiocommunication
ECE 476/ECE 501C/CS Wireless Communication Systems Winter Lecture 6: Fading
ECE 476/ECE 501C/CS 513 - Wireless Communication Systems Winter 2004 Lecture 6: Fading Last lecture: Large scale propagation properties of wireless systems - slowly varying properties that depend primarily
ECE 476/ECE 501C/CS Wireless Communication Systems Winter Lecture 6: Fading
ECE 476/ECE 501C/CS 513 - Wireless Communication Systems Winter 2005 Lecture 6: Fading Last lecture: Large scale propagation properties of wireless systems - slowly varying properties that depend primarily
Unit 3 - Wireless Propagation and Cellular Concepts
X Courses» Introduction to Wireless and Cellular Communications Unit 3 - Wireless Propagation and Cellular Concepts Course outline How to access the portal Assignment 2. Overview of Cellular Evolution
Ultra Wideband Radio Propagation Measurement, Characterization and Modeling
Ultra Wideband Radio Propagation Measurement, Characterization and Modeling Rachid Saadane rachid.saadane@gmail.com GSCM LRIT April 14, 2007 achid Saadane rachid.saadane@gmail.com ( GSCM Ultra Wideband
Revision of Lecture One
Revision of Lecture One System blocks and basic concepts Multiple access, MIMO, space-time Transceiver Wireless Channel Signal/System: Bandpass (Passband) Baseband Baseband complex envelope Linear system:
Project: IEEE P Working Group for Wireless Personal Area Networks N
Project: IEEE P82.15 Working Group for Wireless Personal Area Networks N (WPANs( WPANs) Title: [Merging two-path and S-V models for LOS desktop channel environments] Date Submitted: [July, 26] Source:
1. COMMUNICATION 10. COMMUNICATION SYSTEMS GIST The sending and receiving of message from one place to another is called communication. Two important forms of communication systems are (i) Analog and (ii)
On the Plane Wave Assumption in Indoor Channel Modelling
On the Plane Wave Assumption in Indoor Channel Modelling Markus Landmann 1 Jun-ichi Takada 1 Ilmenau University of Technology www-emt.tu-ilmenau.de Germany Tokyo Institute of Technology Takada Laboratory
Lecture 7/8: UWB Channel. Kommunikations
Lecture 7/8: UWB Channel Kommunikations Technik UWB Propagation Channel Radio Propagation Channel Model is important for Link level simulation (bit error ratios, block error ratios) Coverage evaluation
A presentation of Pirmin Vogel, Benjamin Weber and Marco Karch 2008 by P.V.B.M.M.K. Ltd. & Co KG (release date , ver. 1.
A presentation of Pirmin Vogel, Benjamin Weber and Marco Karch 2008 by P.V.B.M.M.K. Ltd. & Co KG (release date 07 04 08, ver. 1.02) introduction Cablecom canceled many TV channels out of the program to
Wireless Transmission Rab Nawaz Jadoon
Wireless Transmission Rab Nawaz Jadoon DCS Assistant Professor COMSATS IIT, Abbottabad Pakistan COMSATS Institute of Information Technology Mobile Communication Frequency Spectrum Note: The figure shows
Interference Measurements in HF and UHF Bands Caused by Extension of Power Line Communication Bandwidth for Astronomical purpose
Interference Measurements in HF and UHF Bands Caused by Extension of Power Line Communication Bandwidth for Astronomical purpose Fuminori Tsuchiya 1*, Hiroaki Misawa 1, Tomoyuki Nakajo 1, Ichiro Tomizawa
Project: IEEE P Working Group for Wireless Personal Area Networks (WPANs)
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Title: Link Budget Analysis for Terahertz Fixed Wireless Links Date Submitted: 14 November, 2012 Source: Michael Grigat,
CubeSat Communications Review and Concepts. Workshop, July 2, 2009
CubeSat Communications Review and Concepts CEDAR CubeSats Constellations and Communications Workshop, July 2, 29 Charles Swenson Presentation Outline Introduction slides for reference Link Budgets Data
Recommendation ITU-R SF.1843 (10/2007)
Recommendation ITU-R SF.1843 (10/2007) Methodology for determining the power level for high altitude platform stations ground to facilitate sharing with space station receivers in the bands 47.2-47.5 GHz
Antenna Engineering Lecture 3: Basic Antenna Parameters
Antenna Engineering Lecture 3: Basic Antenna Parameters ELC 405a Fall 2011 Department of Electronics and Communications Engineering Faculty of Engineering Cairo University 2 Outline 1 Radiation Pattern
Chapter 3. System Theory and Technologies. 3.1 Physical Layer. ... How to transport digital symbols...?
Chapter 3 System Theory and Technologies 1 r... How to transport digital symbols...? 3.1.1 Introduction 3.1. Symbols, Bits and Baud 3.1.3 Wired Physical Layers 3.1.4 Radio based physical layer electromagnetic
Revision of Lecture One
Revision of Lecture One System block Transceiver Wireless Channel Signal / System: Bandpass (Passband) Baseband Baseband complex envelope Linear system: complex (baseband) channel impulse response Channel:
Written Exam Information Transmission - EIT100
Written Exam Information Transmission - EIT00 Department of Electrical and Information Technology Lund University 204-05-27 4.00 9.00 *** SOLUTION *** The exam consists of five problems. 20 of 50 points
Channel. Muhammad Ali Jinnah University, Islamabad Campus, Pakistan. Multi-Path Fading. Dr. Noor M Khan EE, MAJU
Instructor: Prof. Dr. Noor M. Khan Department of Electronic Engineering, Muhammad Ali Jinnah University, Islamabad Campus, Islamabad, PAKISTAN Ph: +9 (51) 111-878787, Ext. 19 (Office), 186 (Lab) Fax: +9
A Novel Compact CPW-FED Printed Dipole Antenna for UHF RFID and Wireless LAN Applications
International Journal of Electronics and Computer Science Engineering 427 Available Online at www.ijecse.org ISSN- 2277-1956 A Novel Compact CPW-FED Printed Dipole Antenna for UHF RFID and Wireless LAN
Propagation curves and conditions of validity (homogeneous paths)
Rec. ITU-R P.368-7 1 RECOMMENDATION ITU-R P.368-7 * GROUND-WAVE PROPAGATION CURVES FOR FREQUENCIES BETWEEN 10 khz AND 30 MHz (1951-1959-1963-1970-1974-1978-1982-1986-1990-1992) Rec. 368-7 The ITU Radiocommunication
RECOMMENDATION ITU-R SM.1134 *
Rec. ITU-R SM.1134 1 RECOMMENDATION ITU-R SM.1134 * Rec. ITU-R SM.1134 INTERMODULATION INTERFERENCE CALCULATIONS IN THE LAND-MOBILE SERVICE (Question ITU-R 44/1) (1995) The ITU Radiocommunication Assembly,