A Low Datarate Localization System IMST GmbH Jac Romme - - PowerPoint PPT Presentation

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A Low Datarate Localization System IMST GmbH Jac Romme - - PowerPoint PPT Presentation

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A Low Datarate Localization System IMST GmbH Jac Romme Carl-Friedrich-Gau-Strae 2 Phone: +49-28 42-981 465 D-47475 Kamp-Lintfort, Fax: +49-28 42-981 499 Germany E-Mail: romme<at>imst.de UWB4SN, 04-11-2005, EFPL, Lausanne 1

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1 UWB4SN, 04-11-2005, EFPL, Lausanne

A Low Datarate Localization System

IMST GmbH Carl-Friedrich-Gauß-Straße 2 D-47475 Kamp-Lintfort, Germany Jac Romme Phone: +49-28 42-981 465 Fax: +49-28 42-981 499 E-Mail: romme<at>imst.de

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2 UWB4SN, 04-11-2005, EFPL, Lausanne

Outline

UWB @ IMST Puls-On Project Information System Concept Implementation Project Results (Movie)

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3 UWB4SN, 04-11-2005, EFPL, Lausanne

UWB @ IMST: Goals with UWB Technology

Specialisation on applications Low Data Rate (LDR)

Robust Transmission Localisation

Application Scenarios

Sensor Mesh Industrial Facilities, Control/Monitoring Entertainment-Theatre Emergency Services

Localisation part of general Concept IPOS (Currently, WLAN based Localization System)

Other Location calculation UWB Location calculation WLAN Location calculation

Application Postprocessing/ Data distribution

Raw WLAN data Raw ... data Raw UWB data

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4 UWB4SN, 04-11-2005, EFPL, Lausanne

UWB @ IMST: Activity Summary

Protected by NDA Ongoing Industry Antenna Development „UWB communication and localisation in indoor environments for emergency services“ Implementation & system demonstration 2004-2007 EU 6th FP STRP 2nd Call EUROPCOM Propagation measurements Channel models 2004-2008 EU 6th FP IP 1st Call PULSERS (II) „UWB communication and localisation in indoor environments“ 2003-2005 NRW Zukunfts- wettbewerb PULS-ON 100 Mbit Communications using Transmitted Reference Design & Implementation 2002-2004 NRW Zukunfts- wettbewerb BISON Propagation measurements / models Air interface / coexistence System capacity, System performance 2000-2004 EU 5th FP WHYLESS.COM

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5 UWB4SN, 04-11-2005, EFPL, Lausanne

Puls-On Project Scope

Partners: IMST, VCS Nachrichtentechnik AG Duration: 07/2003 – 05/2005 Budget:

IMST 950kEUR, VCS 300kEUR

Funding: IMST 35%, VCS 35% IMST:

Radio Layer and Positioning

VCS:

Data Concentration & Application

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6 UWB4SN, 04-11-2005, EFPL, Lausanne

Puls-On Project Objectives

Project objectives: Both LDR Communication and Positioning

Inside Buildings Indoor 2 Outdoor

Implementation of a Functional Demonstrator Extend Know-how on Localization: RF front-end, Signal Processing,... Restrictions:

Limited Project Budget

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7 UWB4SN, 04-11-2005, EFPL, Lausanne

Puls-On: System Concept

USB RS-MNT RS-OE POM GPS Receiver USB RS-232 Elektronischer Kompass USB RS-MNT RS-OE POM GPS Receiver USB RS-232 Elektronischer Kompass

PWR OK WIC0 ACT/CH0 ACT/CH1 WIC0 ACT/CH0 ACT/CH1 ETH ACT COL

WLAN Access Point KS Darstellungs-Monitor USB RS-MNT RS-OE POM GPS Receiver USB RS-232 Elektronischer Kompass MS KS-Server

Mobile Station Base Station Control Station Base Station Base Station

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8 UWB4SN, 04-11-2005, EFPL, Lausanne

System Concept – Mobile Station

Packet wise transmission Pulse-duration: 10 ns QPSK-TR signalling 2 Pulses/frame QPSK -> 2 bit/Frame Frame = 220 ns Packet length = 2000 Symbols or 0.44ms 500 Acquisition and Training Symbols 1500 Data Symbols Packet rate 2.5 Hz

Pulse Generator Pulse Generator IQ-mod 1 IQ-mod 1 I1 Q1 IQ-mod 2 IQ-mod 2 I2 Q2 Att1 Att1 Att2 Att2 Delay Delay DAC1 DAC1 I1 DAC2 DAC2 Q1 DAC3 DAC3 I2 DAC4 DAC4 Q2 Control Unit Control Unit

+

Amplifier Out Bandpas filter

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9 UWB4SN, 04-11-2005, EFPL, Lausanne

System Concept – Reference Station

20 40 60 80 100 120 140 160 180

  • 5
  • 4
  • 3
  • 2
  • 1

1 2 3 4 5 Θ [°] a r g ( U

1

  • U

2

) [ r a d ] 2 GHz 2.1 GHz 2.2 GHz 2.3 GHz 2.4 GHz 2.5 GHz 2.6 GHz 2.7 GHz 2.8 GHz 2.9 GHz 3 GHz

Demodulate packets & Determine Angle Of Arrival.

Port 2 Φ θ x y z Port 1

Incident plane waves from φ=90° and 0°≤θ≤180° hit the antenna system Phase difference of signal measured at the ports of the antenna system

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10 UWB4SN, 04-11-2005, EFPL, Lausanne

Implementation – Reference Station

Distr. PCB Delayline Positioning Finger Comm. Finger Baseband PCB

USB USB

PC IMST ADCs RX-FIFO

Data & Ctrl Data & Ctrl

AGC PCB Power Supply DACs

Data & Ctrl 8 analog signals 6 bit

HF and Baseband

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11 UWB4SN, 04-11-2005, EFPL, Lausanne

Implementation – Reference Station

Data & Ctrl Data & Ctrl

Power Supply

Data & Ctrl 8 analog signals 6 bit

HF and Baseband PCBs

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12 UWB4SN, 04-11-2005, EFPL, Lausanne

Implementation – Reference Station

AOA Samples COM Samples Resampler Resampler Periodical addition Find LOS and output the related Phase Phase2AOA Channel estimation Weighted Sum Combining Barker Code QPSK offset removal Frame Synchr QPSK2LLV Viterbi+CRC check DLL PPM offset estimation

AOA plane COM plane

ppm offset Samples Samples 2 pulse AOA PDP Weighting Coefficients IQ values IQ values IQ values LLV channel bits LLV Info bits AOA AOA Barker Code QPSK values

Signal Processing

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13 UWB4SN, 04-11-2005, EFPL, Lausanne

Project Results

Click here for Movie

  • r here

http://www.centrum21.de/C21/de/inpos/gotomovie.html

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14 UWB4SN, 04-11-2005, EFPL, Lausanne

Thank you for your attention!

Info at: Info at: http:// http://www www.centrum21.de/ .centrum21.de/ http://www.imst.de http://www.imst.de romme romme<at>imst.de <at>imst.de