# Direction of Arrival Analysis on a Mobile Platform. Sam Whiting, Dana Sorensen, Todd Moon Utah State University

Size: px
Start display at page:

Download "Direction of Arrival Analysis on a Mobile Platform. Sam Whiting, Dana Sorensen, Todd Moon Utah State University"

## Transcription

1 Direction of Arrival Analysis on a Mobile Platform Sam Whiting, Dana Sorensen, Todd Moon Utah State University

2 Objectives Find a transmitter Be mobile

3 Previous Work Tatu Peltola - 3 RTL dongles

4 Our Hardware 2 RTL-SDR Moto X Pure

5 Previous Work - Methods MUSIC IEEE Trans. Antennas Propagation, Vol. AP-34 (March 1986), pp MN (Min Norm) MVDR (Capon) J. Capon High-Resolution Frequency-Wavenumber Spectrum Analysis Cross Correlation TDOA (time difference of arrival)

6 Cross Correlation Didn t give us the DOA results we wanted, but played an important role in synchronizing our receivers. x1, x2: signals from receivers r : cross correlation Tau: the sample difference

7 Cross Correlation We can reduce the needed number of computations significantly by completing this problem in the frequency domain.

8 Cross Correlation

9 Cross Correlation For electromagnetic waves traveling at the speed of light and a sample rate of 2 MHz, this solution is able to resolve differences of... Sub sample resolution can be achieved through interpolation

10 Why bring up Cross Correlation? The RTL-SDR receivers don t start at the same time (a sample offset). We can correct this by delaying one of the signals until they are roughly aligned in time. The delay we need to apply is the value we get from cross correlation.

11 Sample Offset Block Median sample offset from several cross-correlations Stops after n iterations Can be reset via message

12 Sample Offset Block

13 Eigenvector method Phase difference method Still works after downsampling to less than 1 ks/sec Steer our phased array with a vector until we find the most power

14 Eigenvector method 1. Estimate covariance matrix 2. Find maximum eigenvalue 3. Return the argument of the eigenvector

15 Eigenvector method (Not Complicated) Analytical solution for the eigenvalue problem. Return the argument of the eigenvector

16 Eigenvector method

17 Phase Coherency

18 Phase Coherency A constant phase offset can be corrected with addition

19 Which blocks are custom? Sample Offset - cross correlation once (or n times) PCA DOA - returns phase difference Pi2Pi - wraps a float into the range from -pi to pi Phase to DOA - map from phase to DOA with arc cosine Hold State - holds/updates a calibration value Message sinks - turns a value into a message Delay - added message control Add Const F - message control for adding a float constant

20 Complete Flowgraph

21 Making it Mobile Gather parameters in Java UI

22 Making it Mobile Cross-compile C++ flowgraph to statically linked executable Call it using Android Java Native Interface wrapper

23 Making it Mobile UDP packets for data, control between Java and Gnuradio Now we can add maps, headings, arrows etc. Red arrow represents the direction ambiguity due to using a phase difference method

24 The Prototype Finest-quality plywood and tape Half-wavelength spacing (FRS band) USB hub for RTL-SDR dongles

25 Testing Walkie Talkies (FRS Band) FM Radio Stations

26 Videos ubsnuxx8g

27 Videos KDnkXq2mVM&t=8s

28 Code

29 Thanks This research was funded by the Laboratory for Telecommunication Sciences in Maryland. Template app by Dave Mahoney

30 Auxiliary Slides

31 Principal Component Analysis Our incoming signal s(t) is received by two different antennas as x1(t) and x2(t). We ll call x1(t) our reference, and let x2(t) have a delay represented as Tau.

32 Principal Component Analysis Use the narrow-band assumption to say that the primary difference between the two signals can be represented by a phase shift in the carrier frequency.

33 Principal Component Analysis Stack our signals into a vector

34 Principal Component Analysis Set up a beam steering vector, and apply it to our signal.

35 Principal Component Analysis Take the variance of y in order to look at power of the filter output.

36 Principal Component Analysis Maximize the power by changing the steering vector with a constraint to limit the gain.

37 Principal Component Analysis Setup the constrained optimization problem with Lagrange multipliers.

38 Principal Component Analysis We are left with an eigenvalue problem.

39 Principal Component Analysis The maximum eigenvalue has an eigenvector that provides us with our optimal steering vector. This can be normalized, and the phase angle extracted.

40 Capon Method

41 Capon Method Analytical solution for the eigenvalue problem. Return the argument of the eigenvector

### Time and Frequency Corrections in a Distributed Network Using GNURadio

Sam Whiting SAM@WHITINGS.ORG Electrical and Computer Engineering Department, Utah State University, 4120 Old Main Hill, Logan, UT 84322 Dana Sorensen DANA.R.SORENSEN@GMAIL.COM Electrical and Computer Engineering

### Approaches for Angle of Arrival Estimation. Wenguang Mao

Approaches for Angle of Arrival Estimation Wenguang Mao Angle of Arrival (AoA) Definition: the elevation and azimuth angle of incoming signals Also called direction of arrival (DoA) AoA Estimation Applications:

### Bluetooth Angle Estimation for Real-Time Locationing

Whitepaper Bluetooth Angle Estimation for Real-Time Locationing By Sauli Lehtimäki Senior Software Engineer, Silicon Labs silabs.com Smart. Connected. Energy-Friendly. Bluetooth Angle Estimation for Real-

### Eigenvalues and Eigenvectors in Array Antennas. Optimization of Array Antennas for High Performance. Self-introduction

Short Course @ISAP2010 in MACAO Eigenvalues and Eigenvectors in Array Antennas Optimization of Array Antennas for High Performance Nobuyoshi Kikuma Nagoya Institute of Technology, Japan 1 Self-introduction

### Using GNU Radio for Analog Communications. Hackspace Brussels - January 31, 2019

Using GNU Radio for Analog Communications Hackspace Brussels - January 31, 2019 Derek Kozel Radio Amateur since second year of university UK Advanced license MW0LNA, US Extra K0ZEL Moved from the San Francisco

### DIRECTION OF ARRIVAL ESTIMATION IN WIRELESS MOBILE COMMUNICATIONS USING MINIMUM VERIANCE DISTORSIONLESS RESPONSE

DIRECTION OF ARRIVAL ESTIMATION IN WIRELESS MOBILE COMMUNICATIONS USING MINIMUM VERIANCE DISTORSIONLESS RESPONSE M. A. Al-Nuaimi, R. M. Shubair, and K. O. Al-Midfa Etisalat University College, P.O.Box:573,

### Experimental Characterization of a Large Aperture Array Localization Technique using an SDR Testbench

Experimental Characterization of a Large Aperture Array Localization Technique using an SDR Testbench M. Willerton, D. Yates, V. Goverdovsky and C. Papavassiliou Imperial College London, UK. 30 th November

### Adaptive Beamforming Applied for Signals Estimated with MUSIC Algorithm

Buletinul Ştiinţific al Universităţii "Politehnica" din Timişoara Seria ELECTRONICĂ şi TELECOMUNICAŢII TRANSACTIONS on ELECTRONICS and COMMUNICATIONS Tom 57(71), Fascicola 2, 2012 Adaptive Beamforming

### Understanding Advanced Bluetooth Angle Estimation Techniques for Real-Time Locationing

Understanding Advanced Bluetooth Angle Estimation Techniques for Real-Time Locationing EMBEDDED WORLD 2018 SAULI LEHTIMAKI, SILICON LABS Understanding Advanced Bluetooth Angle Estimation Techniques for

### Antennas and Propagation. Chapter 5c: Array Signal Processing and Parametric Estimation Techniques

Antennas and Propagation : Array Signal Processing and Parametric Estimation Techniques Introduction Time-domain Signal Processing Fourier spectral analysis Identify important frequency-content of signal

### Performance Analysis of MUSIC and MVDR DOA Estimation Algorithm

Volume-8, Issue-2, April 2018 International Journal of Engineering and Management Research Page Number: 50-55 Performance Analysis of MUSIC and MVDR DOA Estimation Algorithm Bhupenmewada 1, Prof. Kamal

### Matlab exercises 2015 ELEC-E5410 Signal processing for communications

Matlab exercises 2015 ELEC-E5410 Signal processing for communications Matlab exercises Matlab exercises in ELEC-E5410 Signal Processing for Communications min 50% of exercises required to be returned See

### Lab 1: Analog Modulations

Lab 1: Analog Modulations Due: October 11, 2018 This lab contains two parts: for the first part you will perform simulation entirely in MATLAB, for the second part you will use a hardware device to interface

RADIO SCIENCE, VOL. 40,, doi:10.1029/2004rs003142, 2005 Radio frequency interference mitigation with phase-only adaptive beam forming P. A. Fridman ASTRON, Dwingeloo, Netherlands Received 5 August 2004;

### Adaptive Beamforming. Chapter Signal Steering Vectors

Chapter 13 Adaptive Beamforming We have already considered deterministic beamformers for such applications as pencil beam arrays and arrays with controlled sidelobes. Beamformers can also be developed

### Performance Evaluation of Capon and Caponlike Algorithm for Direction of Arrival Estimation

Performance Evaluation of Capon and Caponlike Algorithm for Direction of Arrival Estimation M H Bhede SCOE, Pune, D G Ganage SCOE, Pune, Maharashtra, India S A Wagh SITS, Narhe, Pune, India Abstract: Wireless

### Three Element Beam forming Algorithm with Reduced Interference Effect in Signal Direction

Vol. 3, Issue. 5, Sep - Oct. 3 pp-749-753 ISSN: 49-6645 Three Element Beam forming Algorithm with Reduced Interference Effect in Signal Direction V. Manjula, M. Tech, K.Suresh Reddy, M.Tech, (Ph.D) Deparment

### Indoor Localization based on Multipath Fingerprinting. Presented by: Evgeny Kupershtein Instructed by: Assoc. Prof. Israel Cohen and Dr.

Indoor Localization based on Multipath Fingerprinting Presented by: Evgeny Kupershtein Instructed by: Assoc. Prof. Israel Cohen and Dr. Mati Wax Research Background This research is based on the work that

### S. Ejaz and M. A. Shafiq Faculty of Electronic Engineering Ghulam Ishaq Khan Institute of Engineering Sciences and Technology Topi, N.W.F.

Progress In Electromagnetics Research C, Vol. 14, 11 21, 2010 COMPARISON OF SPECTRAL AND SUBSPACE ALGORITHMS FOR FM SOURCE ESTIMATION S. Ejaz and M. A. Shafiq Faculty of Electronic Engineering Ghulam Ishaq

### Microphone Array Feedback Suppression. for Indoor Room Acoustics

Microphone Array Feedback Suppression for Indoor Room Acoustics by Tanmay Prakash Advisor: Dr. Jeffrey Krolik Department of Electrical and Computer Engineering Duke University 1 Abstract The objective

### What's New in MATLAB and Simulink for Signal Processing? Daniel Aronsson, Application Engineer

What's New in MATLAB and Simulink for Signal Processing? Daniel Aronsson, Application Engineer 2014 The MathWorks, Inc. 1 Signal Processing 2 Harmonic and Intermodulation Distortion Measurement Industry-standard

### Adaptive Antenna Technique for Mobile Communication

Adaptive Antenna Technique for Mobile Communication Ryszard J. Katulski Technical University of Gdansk. Department of Radiocommunication e-mail: rjkat@sunrise.pg.gda.pl Keywords: Abstract: mobile telecommunication,

### Chapter 4 DOA Estimation Using Adaptive Array Antenna in the 2-GHz Band

Chapter 4 DOA Estimation Using Adaptive Array Antenna in the 2-GHz Band 4.1. Introduction The demands for wireless mobile communication are increasing rapidly, and they have become an indispensable part

### Merging Propagation Physics, Theory and Hardware in Wireless. Ada Poon

HKUST January 3, 2007 Merging Propagation Physics, Theory and Hardware in Wireless Ada Poon University of Illinois at Urbana-Champaign Outline Multiple-antenna (MIMO) channels Human body wireless channels

### TDOA-Based Localization Using Distributed Sensors Based on Commodity Hardware. EW Europe 2017 London

TDOA-Based Localization Using Distributed Sensors Based on Commodity Hardware EW Europe 2017 London Dana Christen dc@decodio.com Agenda 1. TDoA: introduction and principle 2. Workflow overview 3. Hardware

### A Review on Beamforming Techniques in Wireless Communication

A Review on Beamforming Techniques in Wireless Communication Hemant Kumar Vijayvergia 1, Garima Saini 2 1Assistant Professor, ECE, Govt. Mahila Engineering College Ajmer, Rajasthan, India 2Assistant Professor,

TRANSMITS BEAMFORMING AND RECEIVER DESIGN FOR MIMO RADAR 1 Nilesh Arun Bhavsar,MTech Student,ECE Department,PES S COE Pune, Maharastra,India 2 Dr.Arati J. Vyavahare, Professor, ECE Department,PES S COE

### Performance Study of A Non-Blind Algorithm for Smart Antenna System

International Journal of Electronics and Communication Engineering. ISSN 0974-2166 Volume 5, Number 4 (2012), pp. 447-455 International Research Publication House http://www.irphouse.com Performance Study

### 6 Uplink is from the mobile to the base station.

It is well known that by using the directional properties of adaptive arrays, the interference from multiple users operating on the same channel as the desired user in a time division multiple access (TDMA)

### A novel digital beamformer applied in vehicle mounted HF receiving device

LETTER IEICE Electronics Express, Vol.11, No.2, 1 8 A novel digital beamformer applied in vehicle mounted HF receiving device Huajun Zhang, Huotao Gao a), Qingchen Zhou, Lin Zhou, and Fan Wang Electronic

### METIS Second Training & Seminar. Smart antenna: Source localization and beamforming

METIS Second Training & Seminar Smart antenna: Source localization and beamforming Faculté des sciences de Tunis Unité de traitement et analyse des systèmes haute fréquences Ali Gharsallah Email:ali.gharsallah@fst.rnu.tn

### Adaptive Wireless. Communications. gl CAMBRIDGE UNIVERSITY PRESS. MIMO Channels and Networks SIDDHARTAN GOVJNDASAMY DANIEL W.

Adaptive Wireless Communications MIMO Channels and Networks DANIEL W. BLISS Arizona State University SIDDHARTAN GOVJNDASAMY Franklin W. Olin College of Engineering, Massachusetts gl CAMBRIDGE UNIVERSITY

### MOBILE satellite communication systems using frequency

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 45, NO. 11, NOVEMBER 1997 1611 Performance of Radial-Basis Function Networks for Direction of Arrival Estimation with Antenna Arrays Ahmed H. El Zooghby,

### Wireless Transmission Detection and Monitoring System using GNU Radio and Multiple RTL SDR Receivers

RESEARCH ARTICLE OPEN ACCESS Wireless Transmission Detection and Monitoring System using GNU Radio and Multiple RTL SDR Receivers Madhuram Mishra*, Dr. Anjali Potnis** *M.Tech. Student (Department of Electrical

### 3 USRP2 Hardware Implementation

3 USRP2 Hardware Implementation This section of the laboratory will familiarize you with some of the useful GNURadio tools for digital communication system design via SDR using the USRP2 platforms. Specifically,

### High Resolution Techniques for Direction of Arrival Estimation of Ultrasonic Waves

American Journal of Signal Processing 214, 4(2): 49-9 DOI: 1.923/j.ajsp.21442.2 High Resolution Techniques for Direction of Arrival Estimation of Ultrasonic Waves Mujahid F. Al-Azzo, Khalaf I. Al-Sabaawi

### WHITE PAPER. Hybrid Beamforming for Massive MIMO Phased Array Systems

WHITE PAPER Hybrid Beamforming for Massive MIMO Phased Array Systems Introduction This paper demonstrates how you can use MATLAB and Simulink features and toolboxes to: 1. Design and synthesize complex

### Compressed Sensing for Multiple Access

Compressed Sensing for Multiple Access Xiaodai Dong Wireless Signal Processing & Networking Workshop: Emerging Wireless Technologies, Tohoku University, Sendai, Japan Oct. 28, 2013 Outline Background Existing

### An ultra-low-cost antenna array frontend for GNSS application

International Collaboration Centre for Research and Development on Satellite Navigation Technology in South East Asia An ultra-low-cost antenna array frontend for GNSS application Thuan D. Nguyen, Vinh

### Lab 1: Analog Modulations

Lab 1: Analog Modulations October 20, 2017 This lab contains two parts: for the first part you will perform simulation entirely in MATLAB, for the second part you will use a hardware device to interface

### TIIVISTELMÄRAPORTTI (SUMMARY REPORT)

2014/2500M-0015 ISSN 1797-3457 (verkkojulkaisu) ISBN (PDF) 978-951-25-2640-6 TIIVISTELMÄRAPORTTI (SUMMARY REPORT) Modern Signal Processing Methods in Passive Acoustic Surveillance Jaakko Astola*, Bogdan

Advances in Radio Science (23) 1: 149 153 c Copernicus GmbH 23 Advances in Radio Science Downlink beamforming concepts in UTRA FDD M. Schacht 1, A. Dekorsy 1, and P. Jung 2 1 Lucent Technologies, Thurn-und-Taxis-Strasse

### Design and Test of FPGA-based Direction-of-Arrival Algorithms for Adaptive Array Antennas

2011 IEEE Aerospace Conference Big Sky, MT, March 7, 2011 Session# 3.01 Phased Array Antennas Systems and Beam Forming Technologies Pres #: 3.0102, Paper ID: 1198 Rm: Elbow 3, Time: 8:55am Design and Test

### ONE of the most common and robust beamforming algorithms

TECHNICAL NOTE 1 Beamforming algorithms - beamformers Jørgen Grythe, Norsonic AS, Oslo, Norway Abstract Beamforming is the name given to a wide variety of array processing algorithms that focus or steer

### I. INTRODUCTION. Keywords: Smart Antenna, Adaptive Algorithm, Beam forming, Signal Nulling, Antenna Array.

Performance Analysis of Constant Modulus Algorithm (CMA) Blind Adaptive Algorithm for Smart Antennas in a W-CDMA Network Nwalozie G.C, Okorogu V.N, Umeh K.C, and Oraetue C.D Abstract- Smart Antenna is

### Channel Modelling ETIN10. Directional channel models and Channel sounding

Channel Modelling ETIN10 Lecture no: 7 Directional channel models and Channel sounding Ghassan Dahman / Fredrik Tufvesson Department of Electrical and Information Technology Lund University, Sweden 2014-02-17

### SOFTWARE DEFINED RADIO IMPLEMENTATION IN 3GPP SYSTEMS

SOFTWARE DEFINED RADIO IMPLEMENTATION IN 3GPP SYSTEMS R. Janani, A. Manikandan and V. Venkataramanan Arunai College of Engineering, Thiruvannamalai, India E-Mail: jananisaraswathi@gmail.com ABSTRACT Radio

### Direction of Arrival Algorithms for Mobile User Detection

IJSRD ational Conference on Advances in Computing and Communications October 2016 Direction of Arrival Algorithms for Mobile User Detection Veerendra 1 Md. Bakhar 2 Kishan Singh 3 1,2,3 Department of lectronics

### Study Of Sound Source Localization Using Music Method In Real Acoustic Environment

International Journal of Electronics Engineering Research. ISSN 975-645 Volume 9, Number 4 (27) pp. 545-556 Research India Publications http://www.ripublication.com Study Of Sound Source Localization Using

### Optimum Beamforming. ECE 754 Supplemental Notes Kathleen E. Wage. March 31, Background Beampatterns for optimal processors Array gain

Optimum Beamforming ECE 754 Supplemental Notes Kathleen E. Wage March 31, 29 ECE 754 Supplemental Notes: Optimum Beamforming 1/39 Signal and noise models Models Beamformers For this set of notes, we assume

### Low Cost Em Signal Direction Estimation With Two Element Time Modulated Array System For Military/Police Search Operations

Low Cost Em Signal Direction Estimation With Two Element Time Modulated Array System For Military/Police Search Operations B.Gayathri #1, M.Devendra *2 Department of ECE( M.tech), G.P.R Engg College, Kurnool.

### Matched filter. Contents. Derivation of the matched filter

Matched filter From Wikipedia, the free encyclopedia In telecommunications, a matched filter (originally known as a North filter [1] ) is obtained by correlating a known signal, or template, with an unknown

### Efficient Signal Identification using the Spectral Correlation Function and Pattern Recognition

Efficient Signal Identification using the Spectral Correlation Function and Pattern Recognition Theodore Trebaol, Jeffrey Dunn, and Daniel D. Stancil Acknowledgement: J. Peha, M. Sirbu, P. Steenkiste Outline

### A GENERAL SYSTEM DESIGN & IMPLEMENTATION OF SOFTWARE DEFINED RADIO SYSTEM

A GENERAL SYSTEM DESIGN & IMPLEMENTATION OF SOFTWARE DEFINED RADIO SYSTEM 1 J. H.VARDE, 2 N.B.GOHIL, 3 J.H.SHAH 1 Electronics & Communication Department, Gujarat Technological University, Ahmadabad, India

### ON SAMPLING ISSUES OF A VIRTUALLY ROTATING MIMO ANTENNA. Robert Bains, Ralf Müller

ON SAMPLING ISSUES OF A VIRTUALLY ROTATING MIMO ANTENNA Robert Bains, Ralf Müller Department of Electronics and Telecommunications Norwegian University of Science and Technology 7491 Trondheim, Norway

### K.NARSING RAO(08R31A0425) DEPT OF ELECTRONICS & COMMUNICATION ENGINEERING (NOVH).

Smart Antenna K.NARSING RAO(08R31A0425) DEPT OF ELECTRONICS & COMMUNICATION ENGINEERING (NOVH). ABSTRACT:- One of the most rapidly developing areas of communications is Smart Antenna systems. This paper

### Channel Modelling ETI 085

Channel Modelling ETI 085 Lecture no: 7 Directional channel models Channel sounding Why directional channel models? The spatial domain can be used to increase the spectral efficiency i of the system Smart

### Airo Interantional Research Journal September, 2013 Volume II, ISSN:

Airo Interantional Research Journal September, 2013 Volume II, ISSN: 2320-3714 Name of author- Navin Kumar Research scholar Department of Electronics BR Ambedkar Bihar University Muzaffarpur ABSTRACT Direction

ECEN 4652/5002 Communications Lab Spring 2017 2-6-17 P. Mathys Lab 3: Introduction to Software Defined Radio and GNU Radio 1 Introduction A software defined radio (SDR) is a Radio in which some or all

### Detection of Multipath Propagation Effects in SAR-Tomography with MIMO Modes

Detection of Multipath Propagation Effects in SAR-Tomography with MIMO Modes Tobias Rommel, German Aerospace Centre (DLR), tobias.rommel@dlr.de, Germany Gerhard Krieger, German Aerospace Centre (DLR),

### Post beam steering techniques as a means to extract horizontal winds from atmospheric radars

Post beam steering techniques as a means to extract horizontal winds from atmospheric radars VN Sureshbabu 1, VK Anandan 1, oshitaka suda 2 1 ISRAC, Indian Space Research Organisation, Bangalore -58, India

### Smart antenna for doa using music and esprit

IOSR Journal of Electronics and Communication Engineering (IOSRJECE) ISSN : 2278-2834 Volume 1, Issue 1 (May-June 2012), PP 12-17 Smart antenna for doa using music and esprit SURAYA MUBEEN 1, DR.A.M.PRASAD

### Radio direction finding applied to DVB-T network for vehicular mobile reception

Radio direction finding applied to DVB-T network for vehicular mobile reception Franck Nivole, Christian Brousseau, Stéphane Avrillon, Dominique Lemur, Louis Bertel To cite this version: Franck Nivole,

### ROBUST ADAPTIVE BEAMFORMER USING INTERPO- LATION TECHNIQUE FOR CONFORMAL ANTENNA ARRAY

Progress In Electromagnetics Research B, Vol. 23, 215 228, 2010 ROBUST ADAPTIVE BEAMFORMER USING INTERPO- LATION TECHNIQUE FOR CONFORMAL ANTENNA ARRAY P. Yang, F. Yang, and Z. P. Nie School of Electronic

### SIGNAL MODEL AND PARAMETER ESTIMATION FOR COLOCATED MIMO RADAR

SIGNAL MODEL AND PARAMETER ESTIMATION FOR COLOCATED MIMO RADAR Moein Ahmadi*, Kamal Mohamed-pour K.N. Toosi University of Technology, Iran.*moein@ee.kntu.ac.ir, kmpour@kntu.ac.ir Keywords: Multiple-input

### Estimating Millimeter Wave Channels Using Out-of-Band Measurements

Estimating Millimeter Wave Channels Using Out-of-Band Measurements Anum Ali*, Robert W. Heath Jr.*, and Nuria Gonzalez-Prelcic** * Wireless Networking and Communications Group The University of Texas at

### Certification of wireless positioning systems/real time location systems. Realtime Precision Everywhere

Certification of wireless positioning systems/real time location systems Realtime Precision Everywhere Introduction Wireless positioning systems/real time location systems use active mobile units and active

### GPS Anti-jamming Performance Simulation Based on LCMV Algorithm Jian WANG and Rui QIN

2017 2nd International Conference on Software, Multimedia and Communication Engineering (SMCE 2017) ISBN: 978-1-60595-458-5 GPS Anti-jamming Performance Simulation Based on LCMV Algorithm Jian WANG and

### With A Hardware Demonstrator. MIMO Channel Measurements. Department of Communications Engineering. University of Bremen.

Jacobs Bremen Summer School Progress in Mathematics for Communication Systems Bremen, July 3rd, 27 MIMO Channel Measurements With A Hardware Demonstrator Henning Paul Department of Communications Engineering

### gr-doa: Direction Finding in GNU-Radio

gr-doa: Direction Finding in GNU-Radio GRCon 2017 Travis F. Collins, PhD Srikanth Pagadarai, PhD September 12, 2017 Sponsors T. Collins 1 Outline Project Background MUSIC Hardware options USRP-N210 X300/X310

12.215 Modern Navigation Thomas Herring Summary of Last class Finish up some aspects of estimation Propagation of variances for derived quantities Sequential estimation Error ellipses Discuss correlations:

### Wireless Communication Systems: Implementation perspective

Wireless Communication Systems: Implementation perspective Course aims To provide an introduction to wireless communications models with an emphasis on real-life systems To investigate a major wireless

### BEAMFORMING has long been used in many areas, such

IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 55, NO. 8, AUGUST 2007 4139 Quadratically Constrained Beamforming Robust Against Direction-of-Arrival Mismatch Chun-Yang Chen, Student Member, IEEE, and P.

### EFFICIENT SMART ANTENNA FOR 4G COMMUNICATIONS

http:// EFFICIENT SMART ANTENNA FOR 4G COMMUNICATIONS 1 Saloni Aggarwal, 2 Neha Kaushik, 3 Deeksha Sharma 1,2,3 UG, Department of Electronics and Communication Engineering, Raj Kumar Goel Institute of

### Accurate Distance Tracking using WiFi

17 International Conference on Indoor Positioning and Indoor Navigation (IPIN), 181 September 17, Sapporo, Japan Accurate Distance Tracking using WiFi Martin Schüssel Institute of Communications Engineering

### GNSS OBSERVABLES. João F. Galera Monico - UNESP Tuesday 12 Sep

GNSS OBSERVABLES João F. Galera Monico - UNESP Tuesday Sep Basic references Basic GNSS Observation Equations Pseudorange Carrier Phase Doppler SNR Signal to Noise Ratio Pseudorange Observation Equation

### STAP approach for DOA estimation using microphone arrays

STAP approach for DOA estimation using microphone arrays Vera Behar a, Christo Kabakchiev b, Vladimir Kyovtorov c a Institute for Parallel Processing (IPP) Bulgarian Academy of Sciences (BAS), behar@bas.bg;

### International Journal of Scientific & Engineering Research, Volume 6, Issue 7, July ISSN

International Journal of Scientific & Engineering Research, Volume 6, Issue 7, July-215 594 Study of DOA Estimation Using Music Algorithm Bindu Sharma 1, Ghanshyam Singh 2, Indranil Sarkar 3 Abstract Wireless

Uplink and Downlink Beamforming for Fading Channels Mats Bengtsson and Björn Ottersten 999-02-7 In Proceedings of 2nd IEEE Signal Processing Workshop on Signal Processing Advances in Wireless Communications,

### Drum Transcription Based on Independent Subspace Analysis

Report for EE 391 Special Studies and Reports for Electrical Engineering Drum Transcription Based on Independent Subspace Analysis Yinyi Guo Center for Computer Research in Music and Acoustics, Stanford,

### Consideration of Sectors for Direction of Arrival Estimation with Circular Arrays

2010 International ITG Workshop on Smart Antennas (WSA 2010) Consideration of Sectors for Direction of Arrival Estimation with Circular Arrays Holger Degenhardt, Dirk Czepluch, Franz Demmel and Anja Klein

### Antenna Measurements using Modulated Signals

Antenna Measurements using Modulated Signals Roger Dygert MI Technologies, 1125 Satellite Boulevard, Suite 100 Suwanee, GA 30024-4629 Abstract Antenna test engineers are faced with testing increasingly

### Direction of Arrival Estimation in Smart Antenna for Marine Communication. Deepthy M Vijayan, Sreedevi K Menon /16/\$31.

International Conference on Communication and Signal Processing, April 6-8, 2016, India Direction of Arrival Estimation in Smart Antenna for Marine Communication Deepthy M Vijayan, Sreedevi K Menon Abstract

### An Accurate phase calibration Technique for digital beamforming in the multi-transceiver TIGER-3 HF radar system

An Accurate phase calibration Technique for digital beamforming in the multi-transceiver TIGER-3 HF radar system H. Nguyen, J. Whittington, J. C Devlin, V. Vu and, E. Custovic. Department of Electronic

### Index Terms Uniform Linear Array (ULA), Direction of Arrival (DOA), Multiple User Signal Classification (MUSIC), Least Mean Square (LMS).

Design and Simulation of Smart Antenna Array Using Adaptive Beam forming Method R. Evangilin Beulah, N.Aneera Vigneshwari M.E., Department of ECE, Francis Xavier Engineering College, Tamilnadu (India)

### Distributed beamforming with software-defined radios: frequency synchronization and digital feedback

Distributed beamforming with software-defined radios: frequency synchronization and digital feedback François Quitin, Muhammad Mahboob Ur Rahman, Raghuraman Mudumbai and Upamanyu Madhow Electrical and

### Localization in Wireless Sensor Networks

Localization in Wireless Sensor Networks Part 2: Localization techniques Department of Informatics University of Oslo Cyber Physical Systems, 11.10.2011 Localization problem in WSN In a localization problem

### GNU RADIO BASED DIGITAL BEAMFORMING SYSTEM: BER AND COMPUTATIONAL PERFORMANCE ANALYSIS. Sarankumar Balakrishnan, Lay Teen Ong

GNU RADIO BASED DIGITAL BEAMFORMING SYSTEM: BER AND COMPUTATIONAL PERFORMANCE ANALYSIS Sarankumar Balakrishnan, Lay Teen Ong Temasek Laboratories, National University of Singapore, Singapore ABSTRACT The

### Mobile Communications: Technology and QoS

Mobile Communications: Technology and QoS Course Overview! Marc Kuhn, Yahia Hassan kuhn@nari.ee.ethz.ch / hassan@nari.ee.ethz.ch Institut für Kommunikationstechnik (IKT) Wireless Communications Group ETH

### HARDWARE IMPLEMENTATION OF A PROPOSED QR- TLS DOA ESTIMATION METHOD AND MUSIC, ESPRIT ALGORITHMS ON NI-PXI PLATFORM

Progress In Electromagnetics Research C, Vol. 45, 203 221, 2013 HARDWARE IMPLEMENTATION OF A PROPOSED QR- TLS DOA ESTIMATION METHOD AND MUSIC, ESPRIT ALGORITHMS ON NI-PXI PLATFORM Nizar Tayem *, Muhammad

### From Antenna to Bits:

From Antenna to Bits: Wireless System Design with MATLAB and Simulink Cynthia Cudicini Application Engineering Manager MathWorks cynthia.cudicini@mathworks.fr 1 Innovations in the World of Wireless Everything

### Detection of Obscured Targets: Signal Processing

Detection of Obscured Targets: Signal Processing James McClellan and Waymond R. Scott, Jr. School of Electrical and Computer Engineering Georgia Institute of Technology Atlanta, GA 30332-0250 jim.mcclellan@ece.gatech.edu

### Software Defined Radio! Primer + Project! Gordie Neff, N9FF! Columbia Amateur Radio Club! March 2016!

Software Defined Radio! Primer + Project! Gordie Neff, N9FF! Columbia Amateur Radio Club! March 2016! Overview! What is SDR?! Why should I care?! SDR Concepts! Potential SDR project! 2! Approach:! This

Advances in Direction-of-Arrival Estimation Sathish Chandran Editor ARTECH HOUSE BOSTON LONDON artechhouse.com Contents Preface xvii Acknowledgments xix Overview CHAPTER 1 Antenna Arrays for Direction-of-Arrival

### Lab 2: Digital Modulations

Lab 2: Digital Modulations Due: November 1, 2018 In this lab you will use a hardware device (RTL-SDR which has a frequency range of 25 MHz 1.75 GHz) to implement a digital receiver with Quaternary Phase

### 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

### A Weighted Least Squares Algorithm for Passive Localization in Multipath Scenarios

A Weighted Least Squares Algorithm for Passive Localization in Multipath Scenarios Noha El Gemayel, Holger Jäkel, Friedrich K. Jondral Karlsruhe Institute of Technology, Germany, {noha.gemayel,holger.jaekel,friedrich.jondral}@kit.edu

### Location Finding Sensors Using TDOA

Location Finding Sensors Using TDOA K. Anila Y. Padma G. V. K Sharma M. Tech DSSP, Manager Associate Professor, Department of ECE ICOMM tele limited Department of ECE GITAM University Visakhapatnam, India