Beware of COBRA ! CO mputer  B ased  R adio and  A ntennas Technische Universität Dresden
<ul><li>Software Defined Radio </li></ul><ul><li>Smart Antenna Concepts </li></ul><ul><li>Implementation </li></ul><ul><li...
High Diversity of Communications Systems !   Mobility indoor pedestrian high <ul><li>Software Radio </li></ul><ul><ul><li>...
Software Defined Radio - Idea   <ul><li>Software Radio </li></ul><ul><ul><li>Motivation  </li></ul></ul><ul><ul><li>Idea <...
Demonstrator Concept  Antennas Signal Processing RF-Components Transmitter Receiver <ul><li>Software Radio </li></ul><ul><...
Demonstrator Hardware - Signal Processing <ul><li>Software Radio </li></ul><ul><ul><li>Motivation  </li></ul></ul><ul><ul>...
Demonstrator Hardware - RF-Frontend Frequency Range:  5.21 GHz, 5.23 GHz (HiperLAN/2) 5.85 GHz, 5.87 GHz (ISM) Stability: ...
8 antennas for 5.2 GHz  (omni and polarized) 8 antennas for 5.8 GHz  (omni and polarized) 2 flexible stands Flexible confi...
Smart Antennas - State of the Art Sectorized  Antennas Beamforming at BS Space-Time Coding TX-Diversity  at BS GSM,UMTS GS...
Theory of Multi Antenna Systems (MIMO ) <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><ul><li>Stat...
MIMO-Systems Space-Time-Coding One data stream over multiple TX-antennas (robustness) V-BLAST One data stream for each ant...
Demonstrator Features <ul><li>Direct Sequence Spread Spectrum System  </li></ul><ul><li>Compliant with UMTS-Uplink  </li><...
PHY-Implementation  - Transmitter Channel 2 (DCH 3&4) Channel 3 (DCH 5&6) Channel 1 (DCH 1&2) Pilot (CCH ) Channel 1 (DCH ...
Scalable Transmitter Setup Sampling rate:  7.68 MHz Frequency Output:  Baseband Bandwidth:  4.68 MHz RRC  Filter   RRC  Fi...
Scalable  Receiver Setup From RF and  antennas PPC 7400 ICS 660 RRC  Filter   PPC 7400 Lowpass  ICS 660 Demod  A/D  PPC 74...
RAKE-Functionality Early Despread Pilot Late Despread Pilot On Time Despread Pilot  DOT PLL ∆ On Time Despread Data RAKE-F...
Project Sponsors <ul><li>COBRA demonstrator is part of the </li></ul><ul><li>Project  </li></ul>We would like to thank the...
The  - Chair and its Partners <ul><li>1 professor </li></ul><ul><li>3 secretaries </li></ul><ul><li>4 sen. scientists </li...
Research Topics Equipment Manufacturer Semiconductor Vendor Network Operator Physical Layer Research DSP Hardware&Tools Ra...
Industry Partner Program (IPP) <ul><li>This sponsoring program provides an opportunity for companies </li></ul><ul><ul><li...
<ul><li>Founded 1999  </li></ul><ul><li>Based in San Jose and Dresden with a RF design center in Maynard, Massachusetts </...
Mission Network  Planning Network Engineering Radioplan provides the technical essentials necessary to efficiently and eff...
<ul><li>Software Radio </li></ul><ul><ul><li>Motivation  </li></ul></ul><ul><ul><li>Idea </li></ul></ul><ul><ul><li>Demons...
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  1. 1. Beware of COBRA ! CO mputer B ased R adio and A ntennas Technische Universität Dresden
  2. 2. <ul><li>Software Defined Radio </li></ul><ul><li>Smart Antenna Concepts </li></ul><ul><li>Implementation </li></ul><ul><li>The Vodafone Chair </li></ul><ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul>Demonstrating future concepts of wireless communications ! 
  3. 3. High Diversity of Communications Systems ! Mobility indoor pedestrian high <ul><li>Software Radio </li></ul><ul><ul><li>Motivation </li></ul></ul><ul><ul><li>Idea </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Concept </li></ul></ul><ul><ul><li>Hardware </li></ul></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul> DAB DVB -T UMTS GSM GPRS EDGE DECT 10 100 1000 10000 100000 kBit/s Blue Tooth WLAN Data rate
  4. 4. Software Defined Radio - Idea <ul><li>Software Radio </li></ul><ul><ul><li>Motivation </li></ul></ul><ul><ul><li>Idea </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Concept </li></ul></ul><ul><ul><li>Hardware </li></ul></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul>Do as much signal processing as you can afford in software and you can <ul><li>use the same hardware for different communications systems </li></ul><ul><li>simple download system updates and new features </li></ul>
  5. 5. Demonstrator Concept Antennas Signal Processing RF-Components Transmitter Receiver <ul><li>Software Radio </li></ul><ul><ul><li>Motivation </li></ul></ul><ul><ul><li>Idea </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Concept </li></ul></ul><ul><ul><li>Hardware </li></ul></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul>
  6. 6. Demonstrator Hardware - Signal Processing <ul><li>Software Radio </li></ul><ul><ul><li>Motivation </li></ul></ul><ul><ul><li>Idea </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Concept </li></ul></ul><ul><ul><li>Hardware </li></ul></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul><ul><li>Host System: </li></ul><ul><li>Single Board Computer (Pentium 800 MHz, WinNT) </li></ul><ul><li>Sampling : </li></ul><ul><li>ICS660 D/A board 14 bit, sampling@ 7.68 MHz </li></ul><ul><li>ICS652 A/D boards with DDC (GC1012A), 12 bit, </li></ul><ul><li>sampling@ 61.44 MHz </li></ul><ul><li>Signal Processing (VantageRT 7400): </li></ul><ul><li>G4 (MPC7400) based compute environments which are connected by a Raceway++ network including crossbars on the PCILK++ </li></ul><ul><li>Parameters: </li></ul><ul><ul><li>Intermediate Frequency 15.36 MHz </li></ul></ul><ul><li>Bandwidth 5 MHz </li></ul>
  7. 7. Demonstrator Hardware - RF-Frontend Frequency Range: 5.21 GHz, 5.23 GHz (HiperLAN/2) 5.85 GHz, 5.87 GHz (ISM) Stability: ∆ f / f= ± 0.5 ppm Transmitter Bandwidth: 5 MHz Gain Control: 0 … 31 dB in steps of 1 dB Output Power TX: 21 dBm Output Noise Density: -90 dBm/Hz Receiver Output Frequency (IF): 15.36 MHz Bandwidth: 5 MHz Gain Control: 0 … 63 dB in steps of 1 dB Input Level Range: -90 … -30 dBm Noise Figure: < 4 dB Image Suppressing: > 50 dB <ul><li>Software Radio </li></ul><ul><ul><li>Motivation </li></ul></ul><ul><ul><li>Idea </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Concept </li></ul></ul><ul><ul><li>Hardware </li></ul></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul>
  8. 8. 8 antennas for 5.2 GHz (omni and polarized) 8 antennas for 5.8 GHz (omni and polarized) 2 flexible stands Flexible configurations: Up to 4X4 MIMO system Polarization diversity HiperLAN/2 and ISM-band Different antenna distances <ul><li>Software Radio </li></ul><ul><ul><li>Motivation </li></ul></ul><ul><ul><li>Idea </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Concept </li></ul></ul><ul><ul><li>Hardware </li></ul></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul>Demonstrator Hardware - Antenna System 
  9. 9. Smart Antennas - State of the Art Sectorized Antennas Beamforming at BS Space-Time Coding TX-Diversity at BS GSM,UMTS GSM,UMTS WLAN, UMTS <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><ul><li>State of Art </li></ul></ul><ul><ul><li>Theory </li></ul></ul><ul><ul><li>MIMO </li></ul></ul><ul><ul><li>Systems </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Features </li></ul></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul>
  10. 10. Theory of Multi Antenna Systems (MIMO ) <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><ul><li>State of Art </li></ul></ul><ul><ul><li>Theory </li></ul></ul><ul><ul><li>MIMO </li></ul></ul><ul><ul><li>Systems </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Features </li></ul></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul> Signal to Noise Ratio [dB] Throughput [bit/s/Hz] 0 5 10 15 20 25 30 0 5 10 15 20 25 30 6 times more bits over a radio channel @ SNR of 20 dB !
  11. 11. MIMO-Systems Space-Time-Coding One data stream over multiple TX-antennas (robustness) V-BLAST One data stream for each antenna (high-data rate) Transmitter Receiver <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><ul><li>State of Art </li></ul></ul><ul><ul><li>Theory </li></ul></ul><ul><ul><li>MIMO </li></ul></ul><ul><ul><li>Systems </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Features </li></ul></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul> D-BLAST, Multi-Stratum-Space-Time-Codes Multiple Data Streams over all antennas (high data rate & robustness)
  12. 12. Demonstrator Features <ul><li>Direct Sequence Spread Spectrum System </li></ul><ul><li>Compliant with UMTS-Uplink </li></ul><ul><li>Physical Layer implemented </li></ul><ul><li>Includes true synchronization </li></ul><ul><li>Usage of multiple antennas (currently 2 x 2) </li></ul><ul><li>Achievements: </li></ul><ul><li>Space-Time-Channel measurements </li></ul><ul><li>Performance Evaluation Space-Time-Algorithms </li></ul><ul><li>General Software Radio Framework including GUI’s </li></ul><ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><ul><li>State of Art </li></ul></ul><ul><ul><li>Theory </li></ul></ul><ul><ul><li>MIMO </li></ul></ul><ul><ul><li>Systems </li></ul></ul><ul><ul><li>Demonstrator </li></ul></ul><ul><ul><li>Features </li></ul></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul>
  13. 13. PHY-Implementation - Transmitter Channel 2 (DCH 3&4) Channel 3 (DCH 5&6) Channel 1 (DCH 1&2) Pilot (CCH ) Channel 1 (DCH 1&2) <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Transmitter </li></ul><ul><li>Receiver </li></ul><ul><li>Vodafone Chair </li></ul> Spreading Code N Gain N Space-Time Code SF N to antenna 1 to antenna 2
  14. 14. Scalable Transmitter Setup Sampling rate: 7.68 MHz Frequency Output: Baseband Bandwidth: 4.68 MHz RRC Filter RRC Filter Lowpass Lowpass Host PC ICS 660 To RF and antennas D/A Converter PPC 7400 UMTS Spreading PPC 7400 Data Source GUI <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Transmitter </li></ul><ul><li>Receiver </li></ul><ul><li>Vodafone Chair </li></ul> IQ-Mod
  15. 15. Scalable Receiver Setup From RF and antennas PPC 7400 ICS 660 RRC Filter PPC 7400 Lowpass ICS 660 Demod A/D PPC 7400 Frequency Sync. Time Sync. 3-Finger-Space-Time RAKE-Despreader Host Antenna Combiner GUI Sampling rate: 61.44 MHz (16x chiprate) Frequency Input: 15.36 MHz (IF = 4x chiprate) Bandwidth: 4.68 MHz <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Transmitter </li></ul><ul><li>Receiver </li></ul><ul><li>Vodafone Chair </li></ul>
  16. 16. RAKE-Functionality Early Despread Pilot Late Despread Pilot On Time Despread Pilot DOT PLL ∆ On Time Despread Data RAKE-Finger 1 Data symbols estimates from RRC-Filter <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Transmitter </li></ul><ul><li>Receiver </li></ul><ul><li>Vodafone Chair </li></ul> Space-Time Decoding ST- Decoding ST- Decoding Σ Maximum Ratio Combining Channel Coefficients Data Symbols RAKE-Finger 2 RAKE-Finger 3
  17. 17. Project Sponsors <ul><li>COBRA demonstrator is part of the </li></ul><ul><li>Project </li></ul>We would like to thank the following sponsors: <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Transmitter </li></ul><ul><li>Receiver </li></ul><ul><li>Sponsors </li></ul><ul><li>Vodafone Chair </li></ul> 
  18. 18. The - Chair and its Partners <ul><li>1 professor </li></ul><ul><li>3 secretaries </li></ul><ul><li>4 sen. scientists </li></ul><ul><li>system adm. </li></ul><ul><li>2 post-doc’s </li></ul><ul><li>20 Ph.D. students </li></ul><ul><li>15+ Ms students </li></ul>Sponsors Project Partners New since 2002 <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul><ul><li>Sponsors </li></ul><ul><li>Research </li></ul><ul><li>IPP </li></ul><ul><li>Spin-Off‘s </li></ul>
  19. 19. Research Topics Equipment Manufacturer Semiconductor Vendor Network Operator Physical Layer Research DSP Hardware&Tools Radio Modems Radio Networks <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul><ul><li>Sponsors </li></ul><ul><li>Research </li></ul><ul><li>IPP </li></ul><ul><li>Spin-Off‘s </li></ul>
  20. 20. Industry Partner Program (IPP) <ul><li>This sponsoring program provides an opportunity for companies </li></ul><ul><ul><li>to support our research activities, </li></ul></ul><ul><ul><li>to enhance teaching, </li></ul></ul><ul><ul><li>to get in touch with our researchers and students. </li></ul></ul><ul><li>As a thank you our IPP members will receive </li></ul><ul><ul><li>our quarterly newsletter &quot;Dresden Mobile&quot; </li></ul></ul><ul><ul><li>copies of MS-diploma theses and student project reports </li></ul></ul><ul><ul><li>copies of our publications and pre-prints </li></ul></ul><ul><ul><li>an invitation to our annual IPP event. </li></ul></ul><ul><li>The IPP membership therefore provides a platform to keep close contact with our chair. </li></ul>IPP-Event on October 15, 2003 <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul><ul><li>Sponsors </li></ul><ul><li>Research </li></ul><ul><li>IPP </li></ul><ul><li>Spin-Off‘s </li></ul>
  21. 21. <ul><li>Founded 1999 </li></ul><ul><li>Based in San Jose and Dresden with a RF design center in Maynard, Massachusetts </li></ul><ul><li>Investors include Apax, Atlas, Lehman Brothers and Sony </li></ul><ul><li>60 Mb/s Wireless LAN Chip </li></ul><ul><li>(IEEE 802.11a/b) released in 2002 </li></ul><ul><li>2002 Philips Semiconductors has acquired Systemonic </li></ul><ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul><ul><li>Sponsors </li></ul><ul><li>Research </li></ul><ul><li>IPP </li></ul><ul><li>Spin-Off‘s </li></ul>
  22. 22. Mission Network Planning Network Engineering Radioplan provides the technical essentials necessary to efficiently and effectively plan, build, and run mobile radio networks www.radioplan.de (Founded in 2000) <ul><li>Software Radio </li></ul><ul><li>Smart Antennas </li></ul><ul><li>Implementation </li></ul><ul><li>Vodafone Chair </li></ul><ul><li>Sponsors </li></ul><ul><li>Research </li></ul><ul><li>IPP </li></ul><ul><li>Spin-Off‘s </li></ul>
  23. 23. <ul><li>Software Radio </li></ul><ul><ul><li>Motivation </li></ul></ul><ul><ul><li>Idea </li></ul></ul><ul><ul><li>Demonstrator Concept </li></ul></ul><ul><ul><li>Hardware </li></ul></ul><ul><li>Smart Antennas </li></ul><ul><ul><li>State of Art </li></ul></ul><ul><ul><li>Theory </li></ul></ul><ul><ul><li>MIMO Systems </li></ul></ul><ul><ul><li>Demonstrator Features </li></ul></ul><ul><li>Implementation </li></ul><ul><ul><li>Transmitter </li></ul></ul><ul><ul><li>Receiver </li></ul></ul><ul><ul><li>Project Sponsors </li></ul></ul><ul><li>Vodafone Chair </li></ul><ul><ul><li>Sponsors </li></ul></ul><ul><ul><li>Research </li></ul></ul><ul><ul><li>IPP </li></ul></ul><ul><ul><li>Spin-Off‘s </li></ul></ul>Technische Universität Dresden

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