Spectra of UWB Signals in a Swiss Army Knife
|
|
- Cory Rose
- 5 years ago
- Views:
Transcription
1 Spectra of UWB Signals in a Swiss Army Knife Andrea Ridolfi EPFL, Switzerland joint work with Pierre Brémaud, EPFL (Switzerland) and ENS Paris (France) Laurent Massoulié, Microsoft Cambridge (UK) Martin Vetterli, EPFL (Switzerland) Moe Z. Win, MIT (USA) p.1/21
2 OVERVIEW A very general stochastic model for pulse trains p.2/21
3 OVERVIEW A very general stochastic model for pulse trains Large family of Pulse Modulated Signals (UWB communications) Multipath Faded Pulse Sequences Biological Signals Network Traffic p.2/21
4 OVERVIEW A very general stochastic model for pulse trains Large family of Pulse Modulated Signals (UWB communications) Multipath Faded Pulse Sequences Biological Signals Network Traffic The model is Modular (features can be subsequently added) It holds in the Spatial Case (e.g. locations of mobile units) It easily allows to compute the Power Spectrum Spectral contribution of different features appear clearly and separately. p.2/21
5 THE MODEL Shot Noise with Random Excitation p.3/21
6 THE MODEL Shot Noise with Random Excitation can be interpreted as a Random Filtering Function p.3/21
7 THE MODEL Shot Noise with Random Excitation can be interpreted as a Random Filtering Function is a sequence of random points (Point Process) p.3/21
8 THE MODEL Shot Noise with Random Excitation can be interpreted as a Random Filtering Function is a sequence of random points (Point Process) is a sequence of i.i.d. random parameters (Marks) p.3/21
9 THE MODEL Shot Noise with Random Excitation can be interpreted as a Random Filtering Function is a sequence of random points (Point Process) is a sequence of i.i.d. random parameters (Marks) is called Marked Point Process p.3/21
10 THE MODEL Shot Noise with Random Excitation Randomly filtered Point Process not limited to the Poisson case First order characteristics (for free!): Campbell s theorem Second order characteristics: Covariance Measure (see [Daley & Vere-Jones, 1988 & 2002]). p.3/21
11 POWER SPECTRUM General formula for the Power Spectral Density [Ridolfi, 04] p.4/21
12 POWER SPECTRUM General formula for the Power Spectral Density [Ridolfi, 04] where and is the Fourier transform of w.r.t., is a random variable distributed as the i.i.d. Marks p.4/21
13 POWER SPECTRUM General formula for the Power Spectral Density [Ridolfi, 04] where and is the Fourier transform of w.r.t., is a random variable distributed as the i.i.d. Marks is the power spectral (pseudo) density of the point process (Bartlett spectrum) p.4/21
14 POWER SPECTRUM General formula for the Power Spectral Density [Ridolfi, 04] where and is the Fourier transform of w.r.t., is a random variable distributed as the i.i.d. Marks is the power spectral (pseudo) density of the point process (Bartlett spectrum) is the average number of point per unit of time (average intensity of the point process) p.4/21
15 POWER SPECTRUM General formula for the Power Spectral Density [Ridolfi, 04] Swiss Army Knife structure: by appropriately choosing and we can obtain several exact Spectral Expressions: p.4/21
16 POWER SPECTRUM General formula for the Power Spectral Density [Ridolfi, 04] Swiss Army Knife structure: by appropriately choosing and we can obtain several exact Spectral Expressions: UWB Transmissions Multipath Faded Pulse Trains Neuronal Sequences Network Traffic p.4/21
17 POWER SPECTRUM General formula for the Power Spectral Density [Ridolfi, 04] UWB Signals FCC Mask p.4/21
18 SIMPLE EXAMPLE: PULSE MODULATIONS Pulse Position Modulation where is the pulse shape code the information (positions relative to the regular -grid) p.5/21
19 SIMPLE EXAMPLE: PULSE MODULATIONS Pulse Position Modulation It is a Shot Noise with Random Excitation with p.5/21
20 SIMPLE EXAMPLE: PULSE MODULATIONS Pulse Position Modulation It is a Shot Noise with Random Excitation with Hence, p.5/21
21 SIMPLE EXAMPLE: PULSE MODULATIONS Pulse Position Modulation It is a Shot Noise with Random Excitation with Hence, p.5/21
22 SIMPLE EXAMPLE: PULSE MODULATIONS Pulse Position Modulation It is a Shot Noise with Random Excitation with Hence, p.5/21
23 SIMPLE EXAMPLE: PULSE MODULATIONS Pulse Position Modulation It is a Shot Noise with Random Excitation with Hence p.5/21
24 SIMPLE EXAMPLE: PULSE MODULATIONS Let s add some features: Pulse Position and Amplitude Modulation with jitter where is the pulse shape and code the information represent the clock jitter p.6/21
25 SIMPLE EXAMPLE: PULSE MODULATIONS Let s add some features: Pulse Position and Amplitude Modulation with jitter It is a Shot Noise with Random Excitation with, i.e. p.6/21
26 SIMPLE EXAMPLE: PULSE MODULATIONS Let s add some features: Pulse Position and Amplitude Modulation with jitter It is a Shot Noise with Random Excitation with, i.e. Hence, p.6/21
27 SIMPLE EXAMPLE: PULSE MODULATIONS Let s add some features: Pulse Position and Amplitude Modulation with jitter It is a Shot Noise with Random Excitation with, i.e. Hence, p.6/21
28 SIMPLE EXAMPLE: PULSE MODULATIONS Let s add some features: Pulse Position and Amplitude Modulation with jitter It is a Shot Noise with Random Excitation with, i.e. Hence, p.6/21
29 SIMPLE EXAMPLE: PULSE MODULATIONS Let s add some features: Pulse Position and Amplitude Modulation with jitter It is a Shot Noise with Random Excitation with, i.e. Hence p.6/21
30 SIMPLE EXAMPLE: PULSE MODULATIONS Let s add some features: Pulse Position and Amplitude Modulation with jitter It is a Shot Noise with Random Excitation with, i.e. Hence Modularly added features appear explicitly and separately. p.6/21
31 MORE PULSE MODULATIONS.. more modelling and more (free) exact spectral densities Pulse interval modulations Pulse modulations with Time-Hopping Pulse modulations with Direct-Sequences Pulse modulations with random losses Pulse modulations with random distortions.. any combination of the above p.7/21
32 MORE PULSE MODULATIONS.. more modelling and more (free) exact spectral densities Pulse interval modulations Pulse modulations with Time-Hopping Pulse modulations with Direct-Sequences Pulse modulations with random losses Pulse modulations with random distortions.. any combination of the above a matter of choosing the appropriate and which can be modularly complexified ad libitum., p.7/21
33 MULTIPATH FADED PULSE TRAINS Pulse Train over a Multipath Fading Channel multipath fading channel p.8/21
34 MULTIPATH FADED PULSE TRAINS Pulse Train over a Multipath Fading Channel multipath fading channel Double Cluster (indoor) model of [Saleh & Valenzuela, 1987] pulse primary replicas (principal reflections) secondary replicas (secondary scattering) time p.8/21
35 MULTIPATH FADED PULSE TRAINS p.9/21 Pulse Train with Principal Replicas where is the pulse shape is a Marked Point Process
36 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal Replicas where is the pulse shape is a Marked Point Process are the Propagation Delays, assumed to be i.i.d. w.r.t. is a sequence of i.i.d. Point Processes p.9/21
37 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal Replicas where is the pulse shape is a Marked Point Process are the Propagation Delays, assumed to be i.i.d. w.r.t. is a sequence of i.i.d. Point Processes are the Gains. p.9/21
38 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal Replicas and Random Gains p.10/21
39 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal Replicas and Random Gains where are random parameters, i.i.d. w.r.t. to both indexes (Marks) is a sequence of i.i.d. Marked Point Processes are the random Gains p.10/21
40 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal Replicas and Random Gains Let p.10/21
41 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal Replicas and Random Gains Let Then.. a Shot Noise with Random Excitation. p.10/21
42 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal and Secondary Replicas and Random Gains p.11/21
43 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal and Secondary Replicas and Random Gains Pulse Train p.11/21
44 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal and Secondary Replicas and Random Gains Secondary Replicas (Secondary Scattering) of the Pulse Train i.i.d. Marked Point Processes p.11/21
45 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal and Secondary Replicas and Random Gains Primary Replicas (Principal Reflections) of the Pulse Train p.11/21
46 MULTIPATH FADED PULSE TRAINS Pulse Train with Principal and Secondary Replicas and Random Gains Secondary Replicas (Secondary Scattering) of Principal Reflections,, i.i.d. Marked Point Processes. p.11/21
47 MULTIPATH FADED PULSE TRAINS.. a Shot Noise with Random Excitation p.12/21
48 MULTIPATH FADED PULSE TRAINS.. a Shot Noise with Random Excitation where p.12/21
49 MULTIPATH FADED PULSE TRAINS.. a Shot Noise with Random Excitation and where p.12/21
50 MULTIPATH FADED PULSE TRAINS.. a Shot Noise with Random Excitation Remarks: The Double Cluster nature of the point is captured by the Marks (Cluster Point Processes are indeed Shot Noises [Bremaud et al, 2005]) p.13/21
51 MULTIPATH FADED PULSE TRAINS.. a Shot Noise with Random Excitation Remarks: The Double Cluster nature of the point is captured by the Marks (Cluster Point Processes are indeed Shot Noises [Bremaud et al, 2005]) No Poisson assumption on the Pulses and the Replicas (Poisson assumption on the pulses is unrealistic) p.13/21
52 MULTIPATH FADED PULSE TRAINS.. a Shot Noise with Random Excitation Remarks: The Double Cluster nature of the point is captured by the Marks (Cluster Point Processes are indeed Shot Noises [Bremaud et al, 2005]) No Poisson assumption on the Pulses and the Replicas (Poisson assumption on the pulses is unrealistic) Fading can be taken into account using The Marks (Pulse Distortion) p.13/21
53 MULTIPATH FADED PULSE TRAINS.. a Shot Noise with Random Excitation Remarks: The Double Cluster nature of the point is captured by the Marks (Cluster Point Processes are indeed Shot Noises [Bremaud et al, 2005]) No Poisson assumption on the Pulses and the Replicas (Poisson assumption on the pulses is unrealistic) Fading can be taken into account using The Marks (Pulse Distortion) Modulating Process (Fast Fading) (see the proceedings for more details). p.13/21
54 POWER SPECTRUM p.14/21 Recall
55 POWER SPECTRUM p.14/21 Recall where now with
56 POWER SPECTRUM p.15/21 Therefore
57 POWER SPECTRUM Therefore Characteristics of the Pulse Train, e.g. of the Pulse Modulation p.15/21
58 POWER SPECTRUM Therefore Characteristics of the Multipath Fading Channel. p.15/21
59 EXAMPLE: CLASSICAL MULTIPATH FADING CHANNEL Double Poisson Cluster model of [Saleh & Valenzuela, 1987] p.16/21
60 EXAMPLE: CLASSICAL MULTIPATH FADING CHANNEL Double Poisson Cluster model of [Saleh & Valenzuela, 1987] The primary and secondary replicas are Poisson Point Processes for every, form a Poisson Point Process for every and, form a Poisson Point Process p.16/21
61 EXAMPLE: CLASSICAL MULTIPATH FADING CHANNEL Double Poisson Cluster model of [Saleh & Valenzuela, 1987] The primary and secondary replicas are Poisson Point Processes for every, form a Poisson Point Process for every and, form a Poisson Point Process The gains are deterministic p.16/21
62 EXAMPLE: CLASSICAL MULTIPATH FADING CHANNEL Double Poisson Cluster model of [Saleh & Valenzuela, 1987] The primary and secondary replicas are Poisson Point Processes for every, form a Poisson Point Process for every and, form a Poisson Point Process The gains are deterministic We do not assume the Pulse Train to be Poisson p.16/21
63 EXAMPLE: CLASSICAL MULTIPATH FADING CHANNEL Double Poisson Cluster model of [Saleh & Valenzuela, 1987] Then and p.16/21
64 SOFTWARE TOOLBOX The Swiss Army structure of the spectral formula (modularity) allowed to easily develop a Matlab Software Toolbox (GNU GPL) lcavwww.epfl.ch/software The software is by default UWB oriented (UWB Pulse Modulated Signals). Acknowledgments: We are grateful to Justin Salez for coding in Matlab our theoretical results; G.M. Maggio for the precious advice in defining default parameters of UWB transmissions. p.17/21
65 NUMERICAL RESULTS We consider a PPM transmitted signal with the following characteristics Symbol period of ns Binary symbols coded into ns and ns Gaussian derivative pulse shape, V, width ns over a Double Cluster Poisson multipath fading channel characterized by ns ( ) with ns ( ) with. p.18/21
66 NUMERICAL RESULTS 120 dbm/hz Hz x 10 9 PPM p.19/21
67 NUMERICAL RESULTS 120 dbm/hz Hz x 10 9 PPM with primary replicas p.19/21
68 NUMERICAL RESULTS 120 dbm/hz Hz x 10 9 PPM with primary and secondary replicas p.19/21
69 REMARKS Approach based on a Shot Noise with Random Excitation Provides a very general yet tractable model Provides exact general expressions of the Power Spectra It unifies, simplifies and extends previous results and provides new ones It allows to tackle very complicated pulse signal scenarios It easily allows a software implementation. p.20/21
70 MORE DETAILS A. Ridolfi, Power Spectra of Random Spikes and Related Complex Signals. With Application to Communications. Ph.D. thesis, EPFL, Lausanne, Switzerland, P. Brémaud, L. Massoulié and A. Ridolfi. Power Spectra of Random Spike Fields & Related Processes. To appear in Journal of Applied Probability, December A. Ridolfi and M. Z. Win. Ultrawide Bandwidth Signals as Shot-Noise: a Unifying Approach. To appear in IEEE Journal on Selected Areas in Communications, special issue on UWB wireless communications - theory and applications, A. Ridolfi and M. Z. Win. Power Spectra of Multipath Faded Pulse Trains. IEEE International Symposium on Information Theory - ISIT A. Ridolfi and M. Z. Win. Spectrum of Random Pulse Trains Received via Multipath Channels. Technical report, to be submitted, lcavwww.epfl.ch/ ridolfi andrea.ridolfi@epfl.ch p.21/21
EITN85, FREDRIK TUFVESSON, JOHAN KÅREDAL ELECTRICAL AND INFORMATION TECHNOLOGY. Why do we need UWB channel models?
Wireless Communication Channels Lecture 9:UWB Channel Modeling EITN85, FREDRIK TUFVESSON, JOHAN KÅREDAL ELECTRICAL AND INFORMATION TECHNOLOGY Overview What is Ultra-Wideband (UWB)? Why do we need UWB channel
More informationUWB Channel Modeling
Channel Modeling ETIN10 Lecture no: 9 UWB Channel Modeling Fredrik Tufvesson & Johan Kåredal, Department of Electrical and Information Technology fredrik.tufvesson@eit.lth.se 2011-02-21 Fredrik Tufvesson
More informationChannel Modeling ETI 085
Channel Modeling ETI 085 Overview Lecture no: 9 What is Ultra-Wideband (UWB)? Why do we need UWB channel models? UWB Channel Modeling UWB channel modeling Standardized UWB channel models Fredrik Tufvesson
More informationAnalyzing Pulse Position Modulation Time Hopping UWB in IEEE UWB Channel
Analyzing Pulse Position Modulation Time Hopping UWB in IEEE UWB Channel Vikas Goyal 1, B.S. Dhaliwal 2 1 Dept. of Electronics & Communication Engineering, Guru Kashi University, Talwandi Sabo, Bathinda,
More informationElham Torabi Supervisor: Dr. Robert Schober
Low-Rate Ultra-Wideband Low-Power for Wireless Personal Communication Area Networks Channel Models and Signaling Schemes Department of Electrical & Computer Engineering The University of British Columbia
More informationPERFORMANCE ANALYSIS OF MIMO WIRELESS SYSTEM WITH ARRAY ANTENNA
PERFORMANCE ANALYSIS OF MIMO WIRELESS SYSTEM WITH ARRAY ANTENNA Mihir Narayan Mohanty MIEEE Department of Electronics and Communication Engineering, ITER, Siksha O Anusandhan University, Bhubaneswar, Odisha,
More informationChapter 2 Direct-Sequence Systems
Chapter 2 Direct-Sequence Systems A spread-spectrum signal is one with an extra modulation that expands the signal bandwidth greatly beyond what is required by the underlying coded-data modulation. Spread-spectrum
More informationPerformance Analysis of Different Ultra Wideband Modulation Schemes in the Presence of Multipath
Application Note AN143 Nov 6, 23 Performance Analysis of Different Ultra Wideband Modulation Schemes in the Presence of Multipath Maurice Schiff, Chief Scientist, Elanix, Inc. Yasaman Bahreini, Consultant
More informationUWB Small Scale Channel Modeling and System Performance
UWB Small Scale Channel Modeling and System Performance David R. McKinstry and R. Michael Buehrer Mobile and Portable Radio Research Group Virginia Tech Blacksburg, VA, USA {dmckinst, buehrer}@vt.edu Abstract
More informationDS-UWB signal generator for RAKE receiver with optimize selection of pulse width
International Research Journal of Engineering and Technology (IRJET) e-issn: 2395-56 DS-UWB signal generator for RAKE receiver with optimize selection of pulse width Twinkle V. Doshi EC department, BIT,
More informationChapter 2 Channel Equalization
Chapter 2 Channel Equalization 2.1 Introduction In wireless communication systems signal experiences distortion due to fading [17]. As signal propagates, it follows multiple paths between transmitter and
More informationLecture 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
More informationDATE: June 14, 2007 TO: FROM: SUBJECT:
DATE: June 14, 2007 TO: FROM: SUBJECT: Pierre Collinet Chinmoy Gavini A proposal for quantifying tradeoffs in the Physical Layer s modulation methods of the IEEE 802.15.4 protocol through simulation INTRODUCTION
More informationOn the performance of Turbo Codes over UWB channels at low SNR
On the performance of Turbo Codes over UWB channels at low SNR Ranjan Bose Department of Electrical Engineering, IIT Delhi, Hauz Khas, New Delhi, 110016, INDIA Abstract - In this paper we propose the use
More informationLab 3.0. Pulse Shaping and Rayleigh Channel. Faculty of Information Engineering & Technology. The Communications Department
Faculty of Information Engineering & Technology The Communications Department Course: Advanced Communication Lab [COMM 1005] Lab 3.0 Pulse Shaping and Rayleigh Channel 1 TABLE OF CONTENTS 2 Summary...
More informationPERFORMANCE EVALUATION OF DIRECT SEQUENCE SPREAD SPECTRUM UNDER PHASE NOISE EFFECT WITH SIMULINK SIMULATIONS
PERFORMANCE EVALUATION OF DIRECT SEQUENCE SPREAD SPECTRUM UNDER PHASE NOISE EFFECT WITH SIMULINK SIMULATIONS Rupender Singh 1, Dr. S.K. Soni 2 1,2 Department of Electronics & Communication Engineering,
More informationWideband Channel Characterization. Spring 2017 ELE 492 FUNDAMENTALS OF WIRELESS COMMUNICATIONS 1
Wideband Channel Characterization Spring 2017 ELE 492 FUNDAMENTALS OF WIRELESS COMMUNICATIONS 1 Wideband Systems - ISI Previous chapter considered CW (carrier-only) or narrow-band signals which do NOT
More informationPower limits fulfilment and MUI reduction based on pulse shaping in UWB networks
Power limits fulfilment and MUI reduction based on pulse shaping in UWB networks Luca De Nardis, Guerino Giancola, Maria-Gabriella Di Benedetto Università degli Studi di Roma La Sapienza Infocom Dept.
More informationEffect of Time Bandwidth Product on Cooperative Communication
Surendra Kumar Singh & Rekha Gupta Department of Electronics and communication Engineering, MITS Gwalior E-mail : surendra886@gmail.com, rekha652003@yahoo.com Abstract Cognitive radios are proposed to
More informationUltra Wideband Channel Model for IEEE a and Performance Comparison of DBPSK/OQPSK Systems
B.V. Santhosh Krishna et al, / (IJCSIT) International Journal of Computer Science and Information Technologies, Vol. 2 (1), 211, 87-96 Ultra Wideband Channel Model for IEEE 82.1.4a and Performance Comparison
More informationNarrow Band Interference (NBI) Mitigation Technique for TH-PPM UWB Systems in IEEE a Channel Using Wavelet Packet Transform
Narrow Band Interference (NBI) Mitigation Technique for TH-PPM UWB Systems in IEEE 82.15.3a Channel Using Wavelet Pacet Transform Brijesh Kumbhani, K. Sanara Sastry, T. Sujit Reddy and Rahesh Singh Kshetrimayum
More informationPerformance of Wideband Mobile Channel with Perfect Synchronism BPSK vs QPSK DS-CDMA
Performance of Wideband Mobile Channel with Perfect Synchronism BPSK vs QPSK DS-CDMA By Hamed D. AlSharari College of Engineering, Aljouf University, Sakaka, Aljouf 2014, Kingdom of Saudi Arabia, hamed_100@hotmail.com
More informationOverview. Measurement of Ultra-Wideband Wireless Channels
Measurement of Ultra-Wideband Wireless Channels Wasim Malik, Ben Allen, David Edwards, UK Introduction History of UWB Modern UWB Antenna Measurements Candidate UWB elements Radiation patterns Propagation
More informationMODELLING FOR BLUETOOTH PAN RELIABILITY
MODELLING FOR BLUETOOTH PAN RELIABILITY Xiao Xiong John Pollard University College London Department of Electronic and Electrical Engineering Torrington Place, London, WC1E7JE, UK Email: jp@ee.ucl.ac.uk
More informationModel Needs for High-accuracy Positioning in Multipath Channels
1 Model Needs for High-accuracy Positioning in Multipath Channels Aalborg University, Aalborg, Denmark Graz University of Technology, Graz, Austria Introduction 2 High-accuracy Positioning Manufacturing
More informationUNIVERSITY OF MICHIGAN DEPARTMENT OF ELECTRICAL ENGINEERING : SYSTEMS EECS 555 DIGITAL COMMUNICATION THEORY
UNIVERSITY OF MICHIGAN DEPARTMENT OF ELECTRICAL ENGINEERING : SYSTEMS EECS 555 DIGITAL COMMUNICATION THEORY Study Of IEEE P802.15.3a physical layer proposals for UWB: DS-UWB proposal and Multiband OFDM
More informationBER Performance of UWB Modulations through S-V Channel Model
World Academy of Science, Engineering and Technology 6 9 BER Performance of UWB Modulations through S-V Channel Model Risanuri Hidayat Abstract BER analysis of Impulse Radio Ultra Wideband (IR- UWB) pulse
More informationUltra Wideband Signals and Systems in Communication Engineering
Ultra Wideband Signals and Systems in Communication Engineering Second Edition M. Ghavami King's College London, UK L. B. Michael Japan R. Kohno Yokohama National University, Japan BICENTENNIAL 3 I CE
More informationDESIGN AND ANALYSIS OF MULTIBAND OFDM SYSTEM OVER ULTRA WIDE BAND CHANNELS
DESIGN AND ANALYSIS OF MULTIBAND OFDM SYSTEM OVER ULTRA WIDE BAND CHANNELS G.Joselin Retna Kumar Research Scholar, Sathyabama University, Chennai, Tamil Nadu, India joselin_su@yahoo.com K.S.Shaji Principal,
More informationBER Performance of UWB Modulations through S-V Channel Model
Vol:3, No:1, 9 BER Performance of UWB Modulations through S-V Channel Model Risanuri Hidayat International Science Index, Electronics and Communication Engineering Vol:3, No:1, 9 waset.org/publication/364
More informationUltra Wide Band Communications
Lecture #3 Title - October 2, 2018 Ultra Wide Band Communications Dr. Giuseppe Caso Prof. Maria-Gabriella Di Benedetto Lecture 3 Spectral characteristics of UWB radio signals Outline The Power Spectral
More informationDynamic bandwidth direct sequence - a novel cognitive solution for ultra-wideband communications
University of Wollongong Research Online University of Wollongong Thesis Collection 1954-2016 University of Wollongong Thesis Collections 2008 Dynamic bandwidth direct sequence - a novel cognitive solution
More informationOptimizing Reception Performance of new UWB Pulse shape over Multipath Channel using MMSE Adaptive Algorithm
IOSR Journal o Engineering (IOSRJEN) ISSN (e): 2250-3021, ISSN (p): 2278-8719 Vol. 05, Issue 01 (January. 2015), V1 PP 44-57 www.iosrjen.org Optimizing Reception Perormance o new UWB Pulse shape over Multipath
More informationWireless Communication: Concepts, Techniques, and Models. Hongwei Zhang
Wireless Communication: Concepts, Techniques, and Models Hongwei Zhang http://www.cs.wayne.edu/~hzhang Outline Digital communication over radio channels Channel capacity MIMO: diversity and parallel channels
More informationOn the Multi-User Interference Study for Ultra Wideband Communication Systems in AWGN and Modified Saleh-Valenzuela Channel
On the Multi-User Interference Study for Ultra Wideband Communication Systems in AWGN and Modified Saleh-Valenzuela Channel Raffaello Tesi, Matti Hämäläinen, Jari Iinatti, Ian Oppermann, Veikko Hovinen
More informationPerformance of Bit Error Rate and Power Spectral Density of Ultra Wideband with Time Hopping Sequences.
University of Tennessee, Knoxville Trace: Tennessee Research and Creative Exchange Masters Theses Graduate School 12-2003 Performance of Bit Error Rate and Power Spectral Density of Ultra Wideband with
More informationDesigning Ultra-Wide Bandwidth (UWB) Receivers for Multi-User Interference Environments
Designing Ultra-Wide Bandwidth (UWB) Receivers for Multi-User Interference Environments Norman C. Beaulieu Hua Shao Somasundaram Niranjayan Iraj Hosseini Bo Hu David Young 1 2 Outline Introduction Soft-Limiting
More informationAN ABSTRACT OF A THESIS THEORY AND APPLICATION OF TIME REVERSAL TECHNIQUE TO ULTRA WIDEBAND WIRELESS COMMUNICATIONS. Abiodun E.
AN ABSTRACT OF A THESIS THEORY AND APPLICATION OF TIME REVERSAL TECHNIQUE TO ULTRA WIDEBAND WIRELESS COMMUNICATIONS Abiodun E. Akogun Master of Science in Electrical Engineering Inter symbol interference
More informationChannel Models. Spring 2017 ELE 492 FUNDAMENTALS OF WIRELESS COMMUNICATIONS 1
Channel Models Spring 2017 ELE 492 FUNDAMENTALS OF WIRELESS COMMUNICATIONS 1 Narrowband Channel Models Statistical Approach: Impulse response modeling: A narrowband channel can be represented by an impulse
More informationChapter 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,
More informationC th NATIONAL RADIO SCIENCE CONFERENCE (NRSC 2011) April 26 28, 2011, National Telecommunication Institute, Egypt
New Trends Towards Speedy IR-UWB Techniques Marwa M.El-Gamal #1, Shawki Shaaban *2, Moustafa H. Aly #3, # College of Engineering and Technology, Arab Academy for Science & Technology & Maritime Transport
More informationAnalysis of massive MIMO networks using stochastic geometry
Analysis of massive MIMO networks using stochastic geometry Tianyang Bai and Robert W. Heath Jr. Wireless Networking and Communications Group Department of Electrical and Computer Engineering The University
More informationA Soft-Limiting Receiver Structure for Time-Hopping UWB in Multiple Access Interference
2006 IEEE Ninth International Symposium on Spread Spectrum Techniques and Applications A Soft-Limiting Receiver Structure for Time-Hopping UWB in Multiple Access Interference Norman C. Beaulieu, Fellow,
More informationUltra Wideband Transceiver Design
Ultra Wideband Transceiver Design By: Wafula Wanjala George For: Bachelor Of Science In Electrical & Electronic Engineering University Of Nairobi SUPERVISOR: Dr. Vitalice Oduol EXAMINER: Dr. M.K. Gakuru
More informationEITN85, FREDRIK TUFVESSON ELECTRICAL AND INFORMATION TECHNOLOGY
Wireless Communication Channels Lecture 6: Channel Models EITN85, FREDRIK TUFVESSON ELECTRICAL AND INFORMATION TECHNOLOGY Content Modelling methods Okumura-Hata path loss model COST 231 model Indoor models
More informationPerformance Analysis of Rake Receivers in IR UWB System
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE) e-issn: 2278-2834,p- ISSN: 2278-8735. Volume 6, Issue 3 (May. - Jun. 2013), PP 23-27 Performance Analysis of Rake Receivers in IR UWB
More informationCALIFORNIA STATE UNIVERSITY, NORTHRIDGE FADING CHANNEL CHARACTERIZATION AND MODELING
CALIFORNIA STATE UNIVERSITY, NORTHRIDGE FADING CHANNEL CHARACTERIZATION AND MODELING A graduate project submitted in partial fulfillment of the requirements For the degree of Master of Science in Electrical
More informationDevelopment of a MATLAB Toolbox for Mobile Radio Channel Simulators
J.Univ.Ruhuna 14 :4-45 Volume, December 14 ISSN 345-9387 RESEARCH ARTICLE Development of a MATLAB Toolbox for Mobile Radio Channel Simulators D. S. De Silva Department of Electrical and Information Engineering,
More informationIEEE a UWB Receivers Performance in Different Body Area Network Channels
IEEE 802.15.4a UWB Receivers Performance in Different Body Area Network Channels Ville Niemelä, Matti Hämäläinen, Senior Member, IEEE, Jari Iinatti, Senior Member, IEEE, Ryuji Kohno, Senior Member, IEEE
More informationAnalysis of Fast Fading in Wireless Communication Channels M.Siva Ganga Prasad 1, P.Siddaiah 1, L.Pratap Reddy 2, K.Lekha 1
International Journal of ISSN 0974-2107 Systems and Technologies IJST Vol.3, No.1, pp 139-145 KLEF 2010 Fading in Wireless Communication Channels M.Siva Ganga Prasad 1, P.Siddaiah 1, L.Pratap Reddy 2,
More informationPerformance Evaluation of OFDM System with Rayleigh, Rician and AWGN Channels
Performance Evaluation of OFDM System with Rayleigh, Rician and AWGN Channels Abstract A Orthogonal Frequency Division Multiplexing (OFDM) scheme offers high spectral efficiency and better resistance to
More informationNoise-based frequency offset modulation in wideband frequency-selective fading channels
16th Annual Symposium of the IEEE/CVT, Nov. 19, 2009, Louvain-la-Neuve, Belgium 1 Noise-based frequency offset modulation in wideband frequency-selective fading channels A. Meijerink 1, S. L. Cotton 2,
More informationComparative Channel Capacity Analysis of a MIMO Rayleigh Fading Channel with Different Antenna Spacing and Number of Nodes
Comparative Channel Capacity Analysis of a MIMO Rayleigh Fading Channel with Different Antenna Spacing and Number of Nodes Anand Jain 1, Kapil Kumawat, Harish Maheshwari 3 1 Scholar, M. Tech., Digital
More informationMinimax Universal Sampling for Compound Multiband Channels
ISIT 2013, Istanbul July 9, 2013 Minimax Universal Sampling for Compound Multiband Channels Yuxin Chen, Andrea Goldsmith, Yonina Eldar Stanford University Technion Capacity of Undersampled Channels Point-to-point
More informationMultiple Input Multiple Output (MIMO) Operation Principles
Afriyie Abraham Kwabena Multiple Input Multiple Output (MIMO) Operation Principles Helsinki Metropolia University of Applied Sciences Bachlor of Engineering Information Technology Thesis June 0 Abstract
More informationThis is a repository copy of A simulation based distributed MIMO network optimisation using channel map.
This is a repository copy of A simulation based distributed MIMO network optimisation using channel map. White Rose Research Online URL for this paper: http://eprints.whiterose.ac.uk/94014/ Version: Submitted
More informationOn the Spectral and Power Requirements for Ultra-Wideband Transmission
MITSUBISHI ELECTRIC RESEARCH LABORATORIES http://www.merl.com On the Spectral and Power Requirements for Ultra-Wideband Transmission Hongsan Sheng, Philip Orlik, Alexander M. Haimovich, Leonard J. Cimini,
More informationTHOMAS PANY SOFTWARE RECEIVERS
TECHNOLOGY AND APPLICATIONS SERIES THOMAS PANY SOFTWARE RECEIVERS Contents Preface Acknowledgments xiii xvii Chapter 1 Radio Navigation Signals 1 1.1 Signal Generation 1 1.2 Signal Propagation 2 1.3 Signal
More informationMobile-to-Mobile Wireless Channels
Mobile-to-Mobile Wireless Channels Alenka Zajic ARTECH HOUSE BOSTON LONDON artechhouse.com Contents PREFACE xi ma Inroduction 1 1.1 Mobile-to-Mobile Communication Systems 2 1.1.1 Vehicle-to-Vehicle Communication
More informationCognitive Radio Techniques
Cognitive Radio Techniques Spectrum Sensing, Interference Mitigation, and Localization Kandeepan Sithamparanathan Andrea Giorgetti ARTECH HOUSE BOSTON LONDON artechhouse.com Contents Preface xxi 1 Introduction
More informationProject: 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: [UWB Channel Model for Indoor Residential Environment] Date Submitted: [2 September, 24] Source: [Chia-Chin
More informationOn the UWB System Coexistence With GSM900, UMTS/WCDMA, and GPS
1712 IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 20, NO. 9, DECEMBER 2002 On the UWB System Coexistence With GSM900, UMTS/WCDMA, and GPS Matti Hämäläinen, Student Member, IEEE, Veikko Hovinen,
More informationA High-Precision Ultra Wideband Impulse Radio Physical Layer Model for Network Simulation
A High-Precision Ultra Wideband Impulse Radio Physical Layer Model for Network Simulation Jérôme Rousselot, Jean-Dominique Decotignie 2 nd Omnet++ Workshop, Rome, 6.3.2009 Overview Research Problem and
More informationECE 4600 Communication Systems
ECE 4600 Communication Systems Dr. Bradley J. Bazuin Associate Professor Department of Electrical and Computer Engineering College of Engineering and Applied Sciences Course Topics Course Introduction
More informationSpectral Shape of UWB Signals-Influence of Modulation Format, Multiple Access Scheme and Pulse Shape
MITSUBISHI ELECTRIC RESEARCH LABORATORIES http://www.merl.com Spectral Shape of UWB Signals-Influence of Modulation Format, Multiple Access Scheme and Pulse Shape Nakache, Y.; Molisch, A. TR003-40 May
More informationInternational Journal of Advance Engineering and Research Development. Performance Comparison of Rayleigh and Rician Fading Channel Models: A Review
Scientific Journal of Impact Factor (SJIF): 5.71 International Journal of Advance Engineering and Research Development Volume 5, Issue 02, February -2018 e-issn (O): 2348-4470 p-issn (P): 2348-6406 Performance
More informationPerformance Analysis of Equalizer Techniques for Modulated Signals
Vol. 3, Issue 4, Jul-Aug 213, pp.1191-1195 Performance Analysis of Equalizer Techniques for Modulated Signals Gunjan Verma, Prof. Jaspal Bagga (M.E in VLSI, SSGI University, Bhilai (C.G). Associate Professor
More informationPerformance Evaluation of a UWB Channel Model with Antipodal, Orthogonal and DPSK Modulation Scheme
International Journal of Wired and Wireless Communications Vol 4, Issue April 016 Performance Evaluation of 80.15.3a UWB Channel Model with Antipodal, Orthogonal and DPSK Modulation Scheme Sachin Taran
More informationChannel Modelling ETIM10. Channel models
Channel Modelling ETIM10 Lecture no: 6 Channel models Fredrik Tufvesson Department of Electrical and Information Technology Lund University, Sweden Fredrik.Tufvesson@eit.lth.se 2012-02-03 Fredrik Tufvesson
More informationLecture 9: Spread Spectrum Modulation Techniques
Lecture 9: Spread Spectrum Modulation Techniques Spread spectrum (SS) modulation techniques employ a transmission bandwidth which is several orders of magnitude greater than the minimum required bandwidth
More informationMIMO CHANNEL OPTIMIZATION IN INDOOR LINE-OF-SIGHT (LOS) ENVIRONMENT
MIMO CHANNEL OPTIMIZATION IN INDOOR LINE-OF-SIGHT (LOS) ENVIRONMENT 1 PHYU PHYU THIN, 2 AUNG MYINT AYE 1,2 Department of Information Technology, Mandalay Technological University, The Republic of the Union
More informationCourse 2: Channels 1 1
Course 2: Channels 1 1 "You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? And radio operates exactly
More informationSpread Spectrum Techniques
0 Spread Spectrum Techniques Contents 1 1. Overview 2. Pseudonoise Sequences 3. Direct Sequence Spread Spectrum Systems 4. Frequency Hopping Systems 5. Synchronization 6. Applications 2 1. Overview Basic
More informationPRINCIPLES OF COMMUNICATIONS
PRINCIPLES OF COMMUNICATIONS Systems, Modulation, and Noise SIXTH EDITION INTERNATIONAL STUDENT VERSION RODGER E. ZIEMER University of Colorado at Colorado Springs WILLIAM H. TRANTER Virginia Polytechnic
More informationBER Performance and Spectral Properties of Interleaved Convolutional Time Hopping for UWB Impulse Radio
BER Performance and Spectral Properties of Interleaved Convolutional Time Hopping for UWB Impulse Radio David Laney, Gian Mario Maggio, Frederic Lehmann and Lawrence Larson Center for Wireless Communications,
More informationEffects of Fading Channels on OFDM
IOSR Journal of Engineering (IOSRJEN) e-issn: 2250-3021, p-issn: 2278-8719, Volume 2, Issue 9 (September 2012), PP 116-121 Effects of Fading Channels on OFDM Ahmed Alshammari, Saleh Albdran, and Dr. Mohammad
More informationCapacity and Mutual Information of Wideband Multipath Fading Channels
1384 IEEE TRANSACTIONS ON INFORMATION THEORY, VOL. 46, NO. 4, JULY 2000 Capacity and Mutual Information of Wideband Multipath Fading Channels I. Emre Telatar, Member, IEEE, and David N. C. Tse, Member,
More informationDigital Audio Broadcasting Eureka-147. Minimum Requirements for Terrestrial DAB Transmitters
Digital Audio Broadcasting Eureka-147 Minimum Requirements for Terrestrial DAB Transmitters Prepared by WorldDAB September 2001 - 2 - TABLE OF CONTENTS 1 Scope...3 2 Minimum Functionality...3 2.1 Digital
More informationCOMMUNICATION SYSTEMS
COMMUNICATION SYSTEMS 4TH EDITION Simon Hayhin McMaster University JOHN WILEY & SONS, INC. Ш.! [ BACKGROUND AND PREVIEW 1. The Communication Process 1 2. Primary Communication Resources 3 3. Sources of
More informationMsc Engineering Physics (6th academic year) Royal Institute of Technology, Stockholm August December 2003
Msc Engineering Physics (6th academic year) Royal Institute of Technology, Stockholm August 2002 - December 2003 1 2E1511 - Radio Communication (6 ECTS) The course provides basic knowledge about models
More informationOn the Capacity Region of the Vector Fading Broadcast Channel with no CSIT
On the Capacity Region of the Vector Fading Broadcast Channel with no CSIT Syed Ali Jafar University of California Irvine Irvine, CA 92697-2625 Email: syed@uciedu Andrea Goldsmith Stanford University Stanford,
More informationELT COMMUNICATION THEORY
ELT 41307 COMMUNICATION THEORY Project work, Fall 2017 Experimenting an elementary single carrier M QAM based digital communication chain 1 ASSUMED SYSTEM MODEL AND PARAMETERS 1.1 SYSTEM MODEL In this
More informationUniversity of Jordan. Faculty of Engineering & Technology. Study Plan. Master Degree. Year plan
University of Jordan Faculty of Engineering & Technology Study Plan Master Degree In Electrical Engineering/Communication (Thesis Track) Year plan 2005 STUDY PLAN MASTER IN Electrical Engineering /Communication
More informationPerformance Study of MIMO-OFDM System in Rayleigh Fading Channel with QO-STB Coding Technique
e-issn 2455 1392 Volume 2 Issue 6, June 2016 pp. 190 197 Scientific Journal Impact Factor : 3.468 http://www.ijcter.com Performance Study of MIMO-OFDM System in Rayleigh Fading Channel with QO-STB Coding
More informationDesign of Complex Wavelet Pulses Enabling PSK Modulation for UWB Impulse Radio Communications
Design of Complex Wavelet Pulses Enabling PSK Modulation for UWB Impulse Radio Communications Limin Yu and Langford B. White School of Electrical & Electronic Engineering, The University of Adelaide, SA
More informationCHANNEL MODELS, INTERFERENCE PROBLEMS AND THEIR MITIGATION, DETECTION FOR SPECTRUM MONITORING AND MIMO DIVERSITY
CHANNEL MODELS, INTERFERENCE PROBLEMS AND THEIR MITIGATION, DETECTION FOR SPECTRUM MONITORING AND MIMO DIVERSITY Mike Sablatash Communications Research Centre Ottawa, Ontario, Canada E-mail: mike.sablatash@crc.ca
More informationWritten 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
More informationSpread Spectrum (SS) is a means of transmission in which the signal occupies a
SPREAD-SPECTRUM SPECTRUM TECHNIQUES: A BRIEF OVERVIEW SS: AN OVERVIEW Spread Spectrum (SS) is a means of transmission in which the signal occupies a bandwidth in excess of the minimum necessary to send
More informationUnit 8 - Week 7 - Computer simulation of Rayleigh fading, Antenna Diversity
X Courses» Introduction to Wireless and Cellular Communications Announcements Course Forum Progress Mentor Unit 8 - Week 7 - Computer simulation of Rayleigh fading, Antenna Diversity Course outline How
More informationPropagation Channels. Chapter Path Loss
Chapter 9 Propagation Channels The transmit and receive antennas in the systems we have analyzed in earlier chapters have been in free space with no other objects present. In a practical communication
More informationUWB Technology for Wireless Body Area Network
UWB Technology for Wireless Body Area Network Ushakiran 1, Durga Prasad 2 P.G Student, Dept. of ECE, NMAM Institute of Technology, Nitte, Udupi District, Karnataka, India 1 Associate Professor, Dept. of
More informationHandout 13: Intersymbol Interference
ENGG 2310-B: Principles of Communication Systems 2018 19 First Term Handout 13: Intersymbol Interference Instructor: Wing-Kin Ma November 19, 2018 Suggested Reading: Chapter 8 of Simon Haykin and Michael
More informationIEEE P Wireless Personal Area Networks
IEEE P802.15 Wireless Personal Area Networks Project Title Date Submitted IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Technical Specification Draft for PSSS 250-2000 scheme 915
More informationOptical Intensity-Modulated Direct Detection Channels: Signal Space and Lattice Codes
IEEE TRANSACTIONS ON INFORMATION THEORY, VOL. 49, NO. 6, JUNE 2003 1385 Optical Intensity-Modulated Direct Detection Channels: Signal Space and Lattice Codes Steve Hranilovic, Student Member, IEEE, and
More informationMohammed issa Ikhlayel Submitted To Prof.Dr. Mohab Manjoud. 27/12/2005.
بسم االله الرحمن الرحيم Spatial Channel Model For Wireless Communication Mohammed issa Ikhlayel Submitted To Prof.Dr. Mohab Manjoud. 27/12/2005. outline Introduction Basic of small scale channel -Received
More informationCSC344 Wireless and Mobile Computing. Department of Computer Science COMSATS Institute of Information Technology
CSC344 Wireless and Mobile Computing Department of Computer Science COMSATS Institute of Information Technology Wireless Physical Layer Concepts Part II Electromagnetic Spectrum Frequency, Period, Phase
More informationInterference Scenarios and Capacity Performances for Femtocell Networks
Interference Scenarios and Capacity Performances for Femtocell Networks Esra Aycan, Berna Özbek Electrical and Electronics Engineering Department zmir Institute of Technology, zmir, Turkey esraaycan@iyte.edu.tr,
More informationCommon Control Channel Allocation in Cognitive Radio Networks through UWB Multi-hop Communications
The first Nordic Workshop on Cross-Layer Optimization in Wireless Networks at Levi, Finland Common Control Channel Allocation in Cognitive Radio Networks through UWB Multi-hop Communications Ahmed M. Masri
More informationINTERFERENCE SELF CANCELLATION IN SC-FDMA SYSTEMS -A CAMPARATIVE STUDY
INTERFERENCE SELF CANCELLATION IN SC-FDMA SYSTEMS -A CAMPARATIVE STUDY Ms Risona.v 1, Dr. Malini Suvarna 2 1 M.Tech Student, Department of Electronics and Communication Engineering, Mangalore Institute
More informationMoe Z. Win, Fernando Ramrez-Mireles, and Robert A. Scholtz. Mark A. Barnes. the experiments. This implies that the time resolution is
Ultra-Wide Bandwidth () Signal Propagation for Outdoor Wireless Communications Moe Z. Win, Fernando Ramrez-Mireles, and Robert A. Scholtz Communication Sciences Institute Department of Electrical Engineering-Systems
More information