Real-Time Software Receiver Using Massively Parallel
|
|
- Lorena Collins
- 5 years ago
- Views:
Transcription
1 Real-Time Software Receiver Using Massively Parallel Processors for GPS Adaptive Antenna Array Processing Jiwon Seo, David De Lorenzo, Sherman Lo, Per Enge, Stanford University Yu-Hsuan Chen, National Cheng Kung University, Taiwan Dennis Akos, University of Colorado, Boulder ION ITM January 2011 The authors gratefully acknowledge the support of the Federal Aviation Administration.
2 Motivation Synchronize time between GBTs under GPS interference? (Stanford s effort) GPS jammers Ground Based Transceivers (GBTs) for FAA s Alternate Position Navigation and Timing (APNT) 2
3 Our Previous Work WAAS geostationary satellite (L5 signal) Adaptive GPS antenna array for robust time synchronization Direct beam to a satellite (1 tracked SV is enough for time transfer) Null to jammers Antenna array [Whelan and Enge, ION GNSS 2010] [Chen et al., ION GNSS 2010] 3
4 Current Work GPS L5 signals 12 direct beams for all-in-view GPS satellites Real-time software receiver with expanded capabilities Null to jammers 12 direct beams 40 Msps (20 Msps I & Q) 14-bit resolution data Possible aviation application: Protecting GBAS ground facility 4
5 Receiver Architecture: Initial Phase Alignment Adaptive beamsteering software receiver RF/IF & A/D RF/IF & A/D Algorithm Algorithm Weight Control Algorithm Algorithm Algorithm Carrier Wipeoff Code Wipeoff Tracking Loops RF/IF & A/D RF/IF & A/D Carrier NCO Code NCO Array Steering Vector T W init W init e e e 1 j 2 j 3 j 4 - Tracks 4 antennas independently and calibrates phase differences - Assigns synthesized data to a main tracking channel for beamsteering [De Lorenzo et al., ION GNSS 2010] 5
6 Receiver Architecture: Adaptive Beamsteering Adaptive beamsteering software receiver RF/IF & A/D RF/IF & A/D Algorithm Algorithm Weight Control Algorithm Algorithm Algorithm Carrier Wipeoff Code Wipeoff Tracking Loops RF/IF & A/D RF/IF & A/D Carrier NCO Code NCO Φn W W MVDR Adaptive Array Processing n T EX X T Φ W W n W n MVDR (Minimum Variance Distortionless Response) - Signal covariance should be calculated n1 n n [De Lorenzo et al., ION GNSS 2010] 6
7 Computational Cost Single-antenna L1 receiver 4-antenna adaptive beamsteering L5 receiver Sampling rate Number of channels Synthesis of 4-antenna data Covariance calculation Sample resolution 4 Msps x Msps 12 x 5 60 T: Computational cost for 12-channel L1 software receiver 50 T 100 T None Beamforming Correlation cost 1.7 T x 12 beams = 20 T None Adaptive processing 15 T 2 bits No Dynamic bit-wise range parallelism 14 bits for anti-jamming (About twice faster [Ledvina et al., 2003]) 7
8 Objective & Challenges Objective: Real-time 4-antenna adaptive beamsteering L5 software receiver (85 of integer-correlation L1 receivers; 135 of bit-wise-parallel-correlation L1 receivers) Don t: Have hardware support such as FPGA or ASIC Do: Use a desktop computer with commercial-off-the-shelf off processors Desktop Parallel Processing 8
9 Desktop Parallel Processors Commercial-off-the-shelf desktop parallel processors CPU (Central Processing Unit) GPU (Graphics Processing Unit) Intel Core i7 950 NVIDIA GeForce GTX 480 ($300) ($500) 4 cores 480 cores 9
10 Hardware Setup Raw IF data collection setup (4 sets) Gigabit Ethernet 14-bit, 40 Msps Trimble Antenna USRP2 (Universal Solid State t Disk Software Radio Peripheral) in a Linux box Demonstrate t real-time computational ti capability for L5 processing 4-antenna, 14-bit, 40 Msps (20 Msps I & Q), L1 data 10
11 GPU-Based Parallel Correlator global memory, gmem (green) 768 samples 1 ms raw IF in-phase data (20000 samples) 1) Data copy & synthesis (1 block handles 768 samples) 768 X sine & cosine tables shared memory, smem (yellow) 2) Carrier wipe off 3 X threads in 1 block 3) Code wipe off (1 thread handles 3 samples) 3 code replica ) Reallocation of smem for parallel reduction 1 5) Accumulation by parallel reduction in smem 6) Atomic addition of accumulated values from 27 blocks in gmem (27 blocks handle 1 tracking channel) 11
12 Timing Diagram of Initial Design 1 ms Data Input Massively parallel computation in GPU (CUDA C) Data move to GPU Synthesis & Correlation 0.2 ms 0.6 ms Parallel computation in CPU (C/C++) Time Covariance 0.3 ms Limit for real time Tracking, etc 0.2 ms 12
13 Hardware Parallelism CPU GPU computation engine GPU copy engine Tracking, etc Synthesis & Correlation Data move to GPU 0.6 ms Covariance 0.3 ms Limit for real time t 01 2 Time Buffer 1 Buffer 2 13
14 Load Balancing Between CPU & GPU CPU Covariance GPU computation engine Synthesis & Correlation GPU copy engine Data move to GPU 0.6 ms Tracking, etc 0.2 ms Limit for real time Time 14
15 Anti-Jamming Capability Tracking without beamsteering 5 tracking channels for 1 satellite 8 satellites in view Beamsteering channel (same as 1st antenna channel) 4 channels tracking 4 antennas independently (for real-time phase calibration; Calibration data are stored as a lookup table) 15
16 Anti-Jamming Capability Tracking with adaptive beamsteering 6 db 8 satellites in view About 6 db C/N 0 enhancement in beamsteering channel (benefit from a direct beam) C/N 0 enhancement for all satellites (synthesized IF data 12 times with 12 different weight vectors to make 12 direct beams) 16
17 Anti-Jamming Capability Simulated CDMA jamming in the direction of PRN 10 (40 db J/S, PRN 168 as CDMA jammer) Tracking under simulated CDMA jammer PRN 10 is completely lost Most single antenna channels are lost (Calibration data is already stored as a table by the real-time calibration scheme; Satellite ground tracks repeat) 17
18 Anti-Jamming Capability Simulated CDMA jamming in the direction of PRN 10 (40 db J/S, PRN 168 as CDMA jammer) Tracking under simulated CDMA jammer Beamsteering channels are still tracking! Some single antenna channels are good, but lower C/N 0 Single antenna channels of PRN 25 track the jammer! 18
19 Real-Time Receiver Demo (Recorded) 19
20 Real-Time Receiver Demo (Recorded) 20
21 Summary Objective: - Real-time, 4-antenna, all-in-view, adaptive beamsteering GPS software receiver capable of L5 signal processing and running on a desktop computer Results: - Developed an optimized parallel computation architecture for the beamsteering receiver on cost-efficient CPU & GPU - Confirmed real-time computational capability and anti-jamming performance under a synthetic CDMA jammer - Demonstrated that cost-efficient commercial-off-the-shelf hardware and processors would be enough to implement an adaptive beamsteering GPS receiver END 21
INTRODUCTION HARDWARE ARCHITECTURE OF RECEIVER
Validation of a Controlled Reception Pattern Antenna (CRPA) Receiver Built from Inexpensive General-purpose Elements During Several Live Jamming Test Campaigns Yu-Hsuan Chen, Stanford University Sherman
More informationThe WAAS/L5 Signal for Robust Time Transfer: Adaptive Beamsteering Antennas for Satellite Time Synchronization
The WAAS/L5 Signal for Robust Time Transfer: Adaptive Beamsteering Antennas for Satellite Time Synchronization David S. De Lorenzo 1, Sherman C. Lo 1, Jiwon Seo 1, Yu-Hsuan Chen 2, Per K. Enge 1 1 Stanford
More informationAntenna Arrays for Robust GNSS in Challenging Environments Presented by Andriy Konovaltsev
www.dlr.de Chart 1 > Antenna Arrays for Robust GNSS > A. Konovaltsev > 17.11.2014 Antenna Arrays for Robust GNSS in Challenging Environments Presented by Andriy Konovaltsev Institute of Communications
More informationTowards a Practical Single Element Null Steering Antenna
Towards a Practical Single Element Null Steering Antenna Yu-Hsuan Chen, Fabian Rothmaier, Stanford University Dennis Akos, University of Colorado at Boulder Sherman Lo and Per Enge, Stanford University
More informationHigh Gain Advanced GPS Receiver
High Gain Advanced GPS Receiver NAVSYS Corporation 14960 Woodcarver Road, Colorado Springs, CO 80921 Introduction The NAVSYS High Gain Advanced GPS Receiver (HAGR) is a digital beam steering receiver designed
More informationAn 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
More informationGNU 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
More informationGNSS RFI/Spoofing: Detection, Localization, & Mitigation
GNSS RFI/Spoofing: Detection, Localization, & Mitigation Stanford's 2012 PNT Challenges and Opportunities Symposium 14 - November - 2012 Dennis M. Akos University of Colorado/Stanford University with contributions
More informationAdaptive Array Technology for Navigation in Challenging Signal Environments
Adaptive Array Technology for Navigation in Challenging Signal Environments November 15, 2016 Point of Contact: Dr. Gary A. McGraw Technical Fellow Communications & Navigation Systems Advanced Technology
More informationSX-NSR 2.0 A Multi-frequency and Multi-sensor Software Receiver with a Quad-band RF Front End
SX-NSR 2.0 A Multi-frequency and Multi-sensor Software Receiver with a Quad-band RF Front End - with its use for Reflectometry - N. Falk, T. Hartmann, H. Kern, B. Riedl, T. Pany, R. Wolf, J.Winkel, IFEN
More informationWELCOME TO. The Role of GNSS Antennas in Mitigating Jamming and Interference. Co Moderator: Lori Dearman, Sr. Webinar Producer
WELCOME TO The Role of GNSS Antennas in Mitigating Jamming and Interference Audio is available via landline or VoIP For VoIP: You will be connected to audio using your computer s speakers or headset. Dr.
More informationAdaptive Antenna Array Processing for GPS Receivers
Adaptive Antenna Array Processing for GPS Receivers By Yaohua Zheng Thesis submitted for the degree of Master of Engineering Science School of Electrical & Electronic Engineering Faculty of Engineering,
More informationNavigation Accuracy and Interference Rejection for an Adaptive GPS Antenna Array
Navigation Accuracy and Interference Rejection for an Adaptive GPS Antenna Array David S. De Lorenzo, Stanford University Jason Rife, Stanford University Per Enge, Stanford University Dennis M. Akos, University
More informationMulti-Receiver Vector Tracking
Multi-Receiver Vector Tracking Yuting Ng and Grace Xingxin Gao please feel free to view the.pptx version for the speaker notes Cutting-Edge Applications UAV formation flight remote sensing interference
More informationHIGH GAIN ADVANCED GPS RECEIVER
ABSTRACT HIGH GAIN ADVANCED GPS RECEIVER NAVSYS High Gain Advanced () uses a digital beam-steering antenna array to enable up to eight GPS satellites to be tracked, each with up to dbi of additional antenna
More informationTEST RESULTS OF A DIGITAL BEAMFORMING GPS RECEIVER FOR MOBILE APPLICATIONS
TEST RESULTS OF A DIGITAL BEAMFORMING GPS RECEIVER FOR MOBILE APPLICATIONS Alison Brown, Huan-Wan Tseng, and Randy Kurtz, NAVSYS Corporation BIOGRAPHY Alison Brown is the President and CEO of NAVSYS Corp.
More informationKINEMATIC TEST RESULTS OF A MINIATURIZED GPS ANTENNA ARRAY WITH DIGITAL BEAMSTEERING ELECTRONICS
KINEMATIC TEST RESULTS OF A MINIATURIZED GPS ANTENNA ARRAY WITH DIGITAL BEAMSTEERING ELECTRONICS Alison Brown, Keith Taylor, Randy Kurtz and Huan-Wan Tseng, NAVSYS Corporation BIOGRAPHY Alison Brown is
More informationBIOGRAPHY ABSTRACT 1. INTRODUCTION
Evaluation of Positioning Algorithms for Wide Area Multilateration based Alternative Positioning Navigation and Timing (APNT) using 090 MHz ADS-B Signals Shau-Shiun Jan and Siang-Lin Jheng Department of
More informationResilient Alternative PNT Capabilities for Aviation to Support Continued Performance Based Navigation
Resilient Alternative PNT Capabilities for Aviation to Support Continued Performance Based Navigation Presented by Sherman Lo International Technical Symposium on Navigation & Timing ENAC, Toulouse, France
More informationMulti-core Platforms for
20 JUNE 2011 Multi-core Platforms for Immersive-Audio Applications Course: Advanced Computer Architectures Teacher: Prof. Cristina Silvano Student: Silvio La Blasca 771338 Introduction on Immersive-Audio
More informationGlobal Navigation Satellite System (GNSS) GPS Serves Over 400 Million Users Today. GPS is used throughout our society
Global avigation Satellite System (GSS) For freshmen at CKU AA December 10th, 2009 by Shau-Shiun Jan ICA & IAA, CKU Global avigation Satellite System (GSS) GSS (Global Positioning System, GPS) Basics Today
More informationMitigation of Continuous and Pulsed Radio Interference with GNSS Antenna Arrays
Mitigation of Continuous and Pulsed Radio Interference with GNSS Antenna Arrays Andriy Konovaltsev 1, David S. De Lorenzo 2, Achim Hornbostel 1, Per Enge 2 1 German Aerospace Center (DLR), Oberpfaffenhofen,
More informationGNSS Interference Detection and Localization using a Network of Low Cost Front-End Modules
GNSS Interference Detection and Localization using a Network of Low Cost Front-End Modules Jonas Lindström, Dennis M. Akos, Oscar Isoz and Marcus Junered Luleå University of Technology BIOGRAPHY Jonas
More informationSecond Workshop on Satellite Navigation Science and Technology for Africa April 2010
2135-1 Second Workshop on Satellite Navigation Science and Technology for Africa 6-23 April 2010 GPS Receivers, Receiver Signals and Principals of Operation Phillip W. Ward NavWard Consultants Garland,
More informationGNSS Signal Observations - Stanford and DLR
GNSS Signal Observations - Stanford and DLR Christoph Günther, Sherman Lo Contributors: Dennis Akos, Alan Chen, Johann Furthner, Grace Gao, Sebastian Graf, David de Lorenzo, Oliver Montenbruck, Alexander
More informationNavigation für herausfordernde Anwendungen Robuste Satellitennavigation für sicherheitskritische Anwendungen
www.dlr.de Chart 1 Navigation für herausfordernde Anwendungen Robuste Satellitennavigation für sicherheitskritische Anwendungen PD Dr.-Ing. habil. Michael Meurer German Aerospace Centre (DLR), Oberpfaffenhofen
More informationCompass-M1 Broadcast Codes and Their Application to Acquisition and Tracking
Compass-M1 Broadcast Codes and Their Application to Acquisition and Tracking Grace Xingxin Gao, Alan Chen, Sherman Lo, David De Lorenzo, Todd Walter and Per Enge Stanford University BIOGRAPHY Grace Xingxin
More informationTest Results of a 7-Element Small Controlled Reception Pattern Antenna
Test Results of a 7-Element Small Controlled Reception Pattern Antenna Alison Brown and David Morley, NAVSYS Corporation BIOGRAPHY Alison Brown is the President and CEO of NAVSYS Corporation. She has a
More informationTest Results from a Digital P(Y) Code Beamsteering Receiver for Multipath Minimization Alison Brown and Neil Gerein, NAVSYS Corporation
Test Results from a Digital P(Y) Code Beamsteering Receiver for ultipath inimization Alison Brown and Neil Gerein, NAVSYS Corporation BIOGRAPHY Alison Brown is the President and CEO of NAVSYS Corporation.
More informationCode Generation Scheme and Property Analysis of Broadcast Galileo L1 and E6 Signals
Code Generation Scheme and Property Analysis of Broadcast Galileo L1 and E6 Signals Grace Xingxin Gao, Jim Spilker, Todd Walter, and Per Enge Stanford University, CA, USA Anthony R Pratt Orbstar Consultants,
More informationMETIS 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
More informationComputational Efficiency of the GF and the RMF Transforms for Quaternary Logic Functions on CPUs and GPUs
5 th International Conference on Logic and Application LAP 2016 Dubrovnik, Croatia, September 19-23, 2016 Computational Efficiency of the GF and the RMF Transforms for Quaternary Logic Functions on CPUs
More information3D-Map Aided Multipath Mitigation for Urban GNSS Positioning
Summer School on GNSS 2014 Student Scholarship Award Workshop August 2, 2014 3D-Map Aided Multipath Mitigation for Urban GNSS Positioning I-Wen Chu National Cheng Kung University, Taiwan. Page 1 Outline
More informationTEST RESULTS OF A HIGH GAIN ADVANCED GPS RECEIVER
TEST RESULTS OF A HIGH GAIN ADVANCED GPS RECEIVER ABSTRACT Dr. Alison Brown, Randy Silva, Gengsheng Zhang,; NAVSYS Corporation. NAVSYS High Gain Advanced GPS Receiver () uses a digital beam-steering antenna
More informationGPU-accelerated SDR Implementation of Multi-User Detector for Satellite Return Links
DLR.de Chart 1 GPU-accelerated SDR Implementation of Multi-User Detector for Satellite Return Links Chen Tang chen.tang@dlr.de Institute of Communication and Navigation German Aerospace Center DLR.de Chart
More informationTHIS work focus on a sector of the hardware to be used
DISSERTATION ON ELECTRICAL AND COMPUTER ENGINEERING 1 Development of a Transponder for the ISTNanoSAT (November 2015) Luís Oliveira luisdeoliveira@tecnico.ulisboa.pt Instituto Superior Técnico Abstract
More informationCurrent Challenges (and Solutions) in Satellite Navigation. Omar García Crespillo Institute of Communication and Navigation
Current Challenges (and Solutions) in Satellite Navigation Omar García Crespillo Institute of Communication and Navigation Satellite Navigation Application Fields Navigation: automotive, aircrafts, shipping,
More informationA Software GPS Receiver Application for Embedding in Software Definable Radios
A Software GPS Receiver Application for Embedding in Software Definable Radios Kenn Gold Alison Brown, NAVSYS Corporation BIOGRAPHY Kenn Gold is a Product Area Manager at NAVSYS Corporation for the Advanced
More informationGPS Beamforming with Low-cost RTL-SDRs Wil Myrick, Ph.D.
with Low-cost RTL-SDRs Wil Myrick, Ph.D. September 13, 2017 Conference 2017 Recap from GRCon 2016 MWF Invented by Dr. Scott Goldstein and Dr. Irving Reed (1996) Initial Release (2001) Revisited GPS Work
More informationDevelopment of a Three-Element Beam Steering Antenna for Bearing Determination Onboard a UAV Capable of GNSS RFI Localization
Development of a Three-Element Beam Steering Antenna for Bearing Determination Onboard a UAV Capable of GNSS RFI Localization Adrien Perkins, Stanford University Yu-Hsuan Chen, Stanford University Wei
More informationBENEFITS OF A SPACE-BASED AUGMENTATION SYSTEM FOR EARLY IMPLEMENTATION OF GPS MODERNIZATION SIGNALS
BENEFITS OF A SPACE-BASED AUGMENTATION SYSTEM FOR EARLY IMPLEMENTATION OF GPS MODERNIZATION SIGNALS Alison Brown and Sheryl Atterberg, NAVSYS Corporation BIOGRAPHY Alison Brown is the President and CEO
More informationEvaluation & Comparison of Ranging Using Universal Access Transceiver (UAT) and 1090 MHz Mode S Extended Squitter (Mode S ES)
Evaluation & Comparison of Ranging Using Universal Access Transceiver (UAT) and 19 MHz Mode S Extended Squitter (Mode S ES) Yu Hsuan Chen, Sherman Lo, Per Enge Department of Aeronautics & Astronautics
More informationImproved GPS Carrier Phase Tracking in Difficult Environments Using Vector Tracking Approach
Improved GPS Carrier Phase Tracking in Difficult Environments Using Vector Tracking Approach Scott M. Martin David M. Bevly Auburn University GPS and Vehicle Dynamics Laboratory Presentation Overview Introduction
More informationGalileo GIOVE-A Broadcast E5 Codes and their Application to Acquisition and Tracking
Galileo GIOVE-A Broadcast E5 Codes and their Application to Acquisition and Tracking Grace Xingxin Gao, David S. De Lorenzo, Alan Chen, Sherman C. Lo, Dennis M. Akos, Todd Walter and Per Enge Stanford
More informationThe Benefit of Alternative Position, Navigation, and Timing (APNT) to Aviation and Other User Communities for Precise Time and Frequency Services
The Benefit of Alternative Position, Navigation, and Timing (APNT) to Aviation and Other User Communities for Precise Time and Frequency Services Mitch Narins, US Federal Aviation Administration Sherman
More informationMiniaturized GPS Antenna Array Technology and Predicted Anti-Jam Performance
Miniaturized GPS Antenna Array Technology and Predicted Anti-Jam Performance Dale Reynolds; Alison Brown NAVSYS Corporation. Al Reynolds, Boeing Military Aircraft And Missile Systems Group ABSTRACT NAVSYS
More informationUtilizing Batch Processing for GNSS Signal Tracking
Utilizing Batch Processing for GNSS Signal Tracking Andrey Soloviev Avionics Engineering Center, Ohio University Presented to: ION Alberta Section, Calgary, Canada February 27, 2007 Motivation: Outline
More informationHigh Performance Computing for Engineers
High Performance Computing for Engineers David Thomas dt10@ic.ac.uk / https://github.com/m8pple Room 903 http://cas.ee.ic.ac.uk/people/dt10/teaching/2014/hpce HPCE / dt10/ 2015 / 0.1 High Performance Computing
More informationThe Case for Recording IF Data for GNSS Signal Forensic Analysis Using a SDR
The Case for Recording IF Data for GNSS Signal Forensic Analysis Using a SDR Professor Gérard Lachapelle & Dr. Ali Broumandan PLAN Group, University of Calgary PLAN.geomatics.ucalgary.ca IGAW 2016-GNSS
More informationMutual Coupling Estimation for GPS Antenna Arrays in the Presence of Multipath
Mutual Coupling Estimation for GPS Antenna Arrays in the Presence of Multipath Zili Xu, Matthew Trinkle School of Electrical and Electronic Engineering University of Adelaide PACal 2012 Adelaide 27/09/2012
More informationIMPLEMENTATION OF SOFTWARE-BASED 2X2 MIMO LTE BASE STATION SYSTEM USING GPU
IMPLEMENTATION OF SOFTWARE-BASED 2X2 MIMO LTE BASE STATION SYSTEM USING GPU Seunghak Lee (HY-SDR Research Center, Hanyang Univ., Seoul, South Korea; invincible@dsplab.hanyang.ac.kr); Chiyoung Ahn (HY-SDR
More informationPhase Effects Analysis of Patch Antenna CRPAs for JPALS
Phase Effects Analysis of Patch Antenna CRPAs for JPALS Ung Suok Kim, David De Lorenzo, Jennifer Gautier, Per Enge, Stanford University John A. Orr, Worcester Polytechnic Institute BIOGRAPHY Ung Suok Kim
More informationAnalysis on GNSS Receiver with the Principles of Signal and Information
Analysis on GNSS Receiver with the Principles of Signal and Information Lishu Guo 1,2, Xuyou Li 1, Xiaoying Kong 2 1. College of Automation, Harbin Engineering University, Harbin, China 2. School of Computing
More informationVector tracking loops are a type
GNSS Solutions: What are vector tracking loops, and what are their benefits and drawbacks? GNSS Solutions is a regular column featuring questions and answers about technical aspects of GNSS. Readers are
More informationFrom 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
More informationRFI Impact on Ground Based Augmentation Systems (GBAS)
RFI Impact on Ground Based Augmentation Systems (GBAS) Nadia Sokolova SINTEF ICT, Dept. Communication Systems SINTEF ICT 1 GBAS: General Concept - improves the accuracy, provides integrity and approach
More informationDirect Comparison of the Multipath Performance of L1 BOC and C/A using On-Air Galileo and QZSS Transmissions
Direct Comparison of the Multipath Performance of L BOC and C/A using On-Air Galileo and QZSS Transmissions Yu Hsuan Chen, Sherman Lo, Per Enge Department of Aeronautics & Astronautics Stanford University
More informationSimulation and Validation of a GPS Antenna Array Concept for JPALS Application
Simulation and Validation of a GPS Antenna Array Concept for JPALS Application Ung Suok Kim, Dennis Akos, Per Enge, Stanford University Frederic Bastide, ENAC, France BIOGRAPHY Ung Suok Kim is a Ph.D.
More informationGPU-based data analysis for Synthetic Aperture Microwave Imaging
GPU-based data analysis for Synthetic Aperture Microwave Imaging 1 st IAEA Technical Meeting on Fusion Data Processing, Validation and Analysis 1 st -3 rd June 2015 J.C. Chorley 1, K.J. Brunner 1, N.A.
More informationGPS 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
More informationAn Experiment Study for Time Synchronization Utilizing USRP and GNU Radio
GNU Radio Conference 2017, September 11-15th, San Diego, USA An Experiment Study for Time Synchronization Utilizing USRP and GNU Radio Won Jae Yoo, Kwang Ho Choi, JoonHoo Lim, La Woo Kim, Hyoungmin So
More informationRobust GPS-Based Timing for PMUs Based on Multi-Receiver Position-Information-Aided Vector Tracking
Robust GPS-Based Timing for PMUs Based on Multi-Receiver Position-Information-Aided Vector Tracking Daniel Chou, Yuting Ng and Grace Xingxin Gao, University of Illinois Urbana-Champaign BIOGRAPHIES Daniel
More informationSatellite Navigation Principle and performance of GPS receivers
Satellite Navigation Principle and performance of GPS receivers AE4E08 GPS Block IIF satellite Boeing North America Christian Tiberius Course 2010 2011, lecture 3 Today s topics Introduction basic idea
More informationA GPS RECEIVER DESIGNED FOR CARRIER-PHASE TIME TRANSFER
A GPS RECEIVER DESIGNED FOR CARRIER-PHASE TIME TRANSFER Alison Brown, Randy Silva, NAVSYS Corporation and Ed Powers, US Naval Observatory BIOGRAPHY Alison Brown is the President and CEO of NAVSYS Corp.
More informationRF and Microwave Test and Design Roadshow 5 Locations across Australia and New Zealand
RF and Microwave Test and Design Roadshow 5 Locations across Australia and New Zealand Advanced PXI Technologies Signal Recording, FPGA s, and Synchronization Outline Introduction to the PXI Architecture
More informationSoftware-Defined GNSS Simulator
Software-Defined GNSS Simulator A Step Forward Conceptually, software-defined GNSS simulators are very attractive due to their flexibility and cost benefits. For practical reasons, such a simulator should
More informationLab on GNSS Signal Processing Part II
JRC SUMMERSCHOOL GNSS Lab on GNSS Signal Processing Part II Daniele Borio European Commission Joint Research Centre Davos, Switzerland, July 15-25, 2013 INTRODUCTION Second Part of the Lab: Introduction
More informationRobust GPS-Based Timing for Phasor Measurement Units: A Position-Information- Aided Approach
Robust GPS-Based Timing for Phasor Measurement Units: A Position-Information- Aided Approach Daniel Chou, Liang Heng, and Grace XingXin Gao, University of Illinois Urbana-Champaign BIOGRAPHIES Daniel Chou
More informationThe Possibility of Precise Automobile Navigation using GPS/QZS L5 and (Galileo E5) Pseudo ranges
The Possibility of Precise Automobile Navigation using GPS/QZS L5 and (Galileo E5 Pseudo ranges ION ITM ITM 013 Hiroko Tokura, Taro Suzuki, Tomoji Takasu, Nobuaki Kubo (Tokyo University of Marine Scienceand
More informationAlternate Position, Navigation & Time APNT for Civil Aviation
Alternate Position, Navigation & Time APNT for Civil Aviation For Working Group B of the International GNSS Committee Shanghai, May 2011 by Per Enge & Leo Eldredge Work supported by the Federal Aviation
More informationTWO-WAY TIME TRANSFER WITH DUAL PSEUDO-RANDOM NOISE CODES
TWO-WAY TIME TRANSFER WITH DUAL PSEUDO-RANDOM NOISE CODES Tadahiro Gotoh and Jun Amagai National Institute of Information and Communications Technology 4-2-1, Nukui-Kita, Koganei, Tokyo 184-8795, Japan
More information2015 The MathWorks, Inc. 1
2015 The MathWorks, Inc. 1 What s Behind 5G Wireless Communications? 서기환과장 2015 The MathWorks, Inc. 2 Agenda 5G goals and requirements Modeling and simulating key 5G technologies Release 15: Enhanced Mobile
More informationCUDA-Accelerated Satellite Communication Demodulation
CUDA-Accelerated Satellite Communication Demodulation Renliang Zhao, Ying Liu, Liheng Jian, Zhongya Wang School of Computer and Control University of Chinese Academy of Sciences Outline Motivation Related
More informationTrack and Vertex Reconstruction on GPUs for the Mu3e Experiment
Track and Vertex Reconstruction on GPUs for the Mu3e Experiment Dorothea vom Bruch for the Mu3e Collaboration GPU Computing in High Energy Physics, Pisa September 11th, 2014 Physikalisches Institut Heidelberg
More informationGAJET, a DRDC Evaluation Testbed for Navigation Electronic Warfare. Michel Clénet
GAJET, a DRDC Evaluation Testbed for Navigation Electronic Warfare Michel Clénet Outline Introduction CRPA project at DRDC Ottawa GAJET: An Evaluation Test bed for GPS Anti-Jam System An AJ simulation
More informationOpen Source Software Defined Radio Platform for GNSS Recording, Simulation and Tracking
Open Source Software Defined Radio Platform for GNSS Recording, Simulation and Tracking ION GNSS+ 2013 Session E3: Software Receivers September 19, 2013 Alison Brown NAVSYS Corporation Colorado Springs,
More informationModernised GNSS Receiver and Design Methodology
Modernised GNSS Receiver and Design Methodology March 12, 2007 Overview Motivation Design targets HW architecture Receiver ASIC Design methodology Design and simulation Real Time Emulation Software module
More informationIntegrated GPS/TOA Navigation using a Positioning and Communication Software Defined Radio
Integrated GPS/TOA Navigation using a Positioning and Communication Software Defined Radio Alison Brown and Janet Nordlie NAVSYS Corporation 96 Woodcarver Road Colorado Springs, CO 89 Abstract-While GPS
More informationSmall Controlled Reception Pattern Antenna (S-CRPA) Design and Test Results
Small Controlled Reception Pattern Antenna (S-CRPA) Design and Test Results Dr. Huan-Wan Tseng and Atterberg, NAVSYS Corporation BIOGRAPHY Dr. Huan-Wan Tseng is an Antenna & RF Engineer at NAVSYS Corporation.
More informationEvaluation of C/N 0 estimators performance for GNSS receivers
International Conference and Exhibition The 14th IAIN Congress 2012 Seamless Navigation (Challenges & Opportunities) 01-03 October, 2012 - Cairo, Egypt Concorde EL Salam Hotel Evaluation of C/N 0 estimators
More informationCharacterization of Signal Deformations for GPS and WAAS Satellites
Characterization of Signal Deformations for GPS and WAAS Satellites Gabriel Wong, R. Eric Phelts, Todd Walter, Per Enge, Stanford University BIOGRAPHY Gabriel Wong is an Electrical Engineering Ph.D. candidate
More informationNear Term Improvements to WAAS Availability
Near Term Improvements to WAAS Availability Juan Blanch, Todd Walter, R. Eric Phelts, Per Enge Stanford University ABSTRACT Since 2003, when it was first declared operational, the Wide Area Augmentation
More informationPerformance Tests of a 12-Channel Real-Time GPS L1 Software Receiver
Performance Tests of a 12-Channel Real-Time GPS L1 Software Receiver B.M. Ledvina, A.P. Cerruti, M.L. Psiaki, S.P. Powell, and P.M. Kintner College of Engineering, Cornell University BIOGRAPHIES Brent
More informationImproving Meetings with Microphone Array Algorithms. Ivan Tashev Microsoft Research
Improving Meetings with Microphone Array Algorithms Ivan Tashev Microsoft Research Why microphone arrays? They ensure better sound quality: less noises and reverberation Provide speaker position using
More informationDesign and Experiment of Adaptive Anti-saturation and Anti-jamming Modules for GPS Receiver Based on 4-antenna Array
Advances in Computer Science Research (ACRS), volume 54 International Conference on Computer Networks and Communication Technology (CNCT2016) Design and Experiment of Adaptive Anti-saturation and Anti-jamming
More informationMainlobe jamming can pose problems
Design Feature DIANFEI PAN Doctoral Student NAIPING CHENG Professor YANSHAN BIAN Doctoral Student Department of Optical and Electrical Equipment, Academy of Equipment, Beijing, 111, China Method Eases
More informationA Bavarian Initiative towards a Robust Galileo PRS Receiver
A Bavarian Initiative towards a Robust Galileo PRS Receiver Alexander Ruegamer, Ion Suberviola, Frank Foerster, Guenter Rohmer, Fraunhofer IIS Andriy Konovaltsev, Nikola Basta, Michael Meurer, German Aerospace
More informationGPS Receiver Autonomous Interference Detection
GPS Receiver Autonomous Interference Detection Awele Ndili, Stanford University Dr. Per Enge, Stanford University Presented at the 998 IEEE Position, Location and Navigation Symposium - PLANS 98 Palm Springs,
More informationA Modular Re-programmable Digital Receiver Architecture
A Modular Re-programmable Digital Receiver Architecture Eric Holm, Dr. Alison Brown, Richard Slosky, NAVSYS Corporation BIOGRAPHY Eric Holm is an Integrated Product Team leader for the Range and Tracking
More informationImplementation and Performance Evaluation of a Fast Relocation Method in a GPS/SINS/CSAC Integrated Navigation System Hardware Prototype
This article has been accepted and published on J-STAGE in advance of copyediting. Content is final as presented. Implementation and Performance Evaluation of a Fast Relocation Method in a GPS/SINS/CSAC
More informationBenefits of a Reconfigurable Software GNSS Receiver in Multipath Environment
Journal of Global Positioning Systems (4) Vol. 3, No. 1-: 49-56 Benefits of a Reconfigurable Software GNSS Receiver in Multipath Environment Fabio Dovis, Marco Pini, Massimiliano Spelat Politecnico di
More informationMonitoring Station for GNSS and SBAS
Monitoring Station for GNSS and SBAS Pavel Kovář, Czech Technical University in Prague Josef Špaček, Czech Technical University in Prague Libor Seidl, Czech Technical University in Prague Pavel Puričer,
More informationGPS software receiver implementations
GPS software receiver implementations OLEKSIY V. KORNIYENKO AND MOHAMMAD S. SHARAWI THIS ARTICLE PRESENTS A DETAILED description of the various modules needed for the implementation of a global positioning
More informationDemonstrations of Multi-Constellation Advanced RAIM for Vertical Guidance using GPS and GLONASS Signals
Demonstrations of Multi-Constellation Advanced RAIM for Vertical Guidance using GPS and GLONASS Signals Myungjun Choi, Juan Blanch, Stanford University Dennis Akos, University of Colorado Boulder Liang
More informationRF, HIL and Radar Test
RF, HIL and Radar Test Abhay Samant Marketing Manager India, Russia and Arabia RF Hardware In The Loop Complex Radio Environment Components of RF HIL Communication Modems Channel Simulation GPS Simulation
More informationA HIGH-PRECISION COUNTER USING THE DSP TECHNIQUE
A HIGH-PRECISION COUNTER USING THE DSP TECHNIQUE Shang-Shian Chen, Po-Cheng Chang, Hsin-Min Peng, and Chia-Shu Liao Telecommunication Labs., Chunghwa Telecom No. 12, Lane 551, Min-Tsu Road Sec. 5 Yang-Mei,
More informationPerformance and Jamming Test Results of a Digital Beamforming GPS Receiver
Performance and Jamming Test Results of a Digital Beamforming GPS Receiver Alison Brown, NAVSYS Corporation BIOGRAPHY Alison Brown is the President and CEO of NAVSYS Corporation. She has a PhD in Mechanics,
More informationNew Guide to GNSS Base stations
New Guide to GNSS Base stations Asian Base Stations Project Updated on December 2017 Outline 1 st Chapter (page3 page25) -Setting of The Base Station- Introduction Example of base Station (TUMSAT) Preparation
More informationWhat s Behind 5G Wireless Communications?
What s Behind 5G Wireless Communications? Marc Barberis 2015 The MathWorks, Inc. 1 Agenda 5G goals and requirements Modeling and simulating key 5G technologies Release 15: Enhanced Mobile Broadband IoT
More informationSoftware-Defined GPS Receiver Implemented on the Parallella-16 Board
Downloaded from orbit.dtu.dk on: Jan 18, 218 Software-Defined GPS Receiver Implemented on the Parallella-16 Board Olesen, Daniel Haugård; Jakobsen, Jakob; Knudsen, Per Published in: Proceedings of the
More information