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July 2009. The Lund High Speed Wireless Center: 60 GHz Research. Date: 2009-07-13. Authors:. John Anderson, Lund University. Our mission. World-class research and system solutions in high-rate wireless communication A factor 10 above today’s data rates
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July 2009 The Lund High Speed Wireless Center: 60 GHz Research Date: 2009-07-13 Authors: John Anderson, Lund University John Anderson, Lund University
Our mission • World-class research and system solutions in high-rate wireless communication • A factor 10 above today’s data rates • New technologies: Antennas, RF Circuits, VLSI • New transmission methods : 60 GHz, some UWB • New algorithms: Bandwidth-efficient coding, data security • Maintain a strong knowledge base • Support Swedish industry in a strategic area • Educate skilled engineers and researchers • International cooperation John Anderson, Lund University
Issues in wireless communication • Demand continually increases Individualized services (personalized broadcasting, …) High speed product downloads (CDs, films, …) Appliance interactions (media players, laptops, ovens, …) • Push from technology evolution & IT convergence • Many users/services in a small space • ”Last 10 m problem”: Getting it off the street • High speed data in rural areas • LANs and PANs Affordablehigh speed data, where it is needed John Anderson, Lund University
Three Departments, Two universities Electrical and Information Science Lund A. Molisch, G. Kristensson, O. Edfors, V. Öwall, H. Sjöland, M. Gustafsson,F. Tufvesson, J.B. Anderson, T. Johansson Signals and SystemsChalmers A. Svensson Physics (Nano) Lund L.E. Wernersson John Anderson, Lund University
Center management F. Tufvesson, A. Molisch, A. Svensson M. Gustafsson, A. Molisch, G. Kristensson, F. Tufvesson, B.K. Lau L.E. Wernersson, H. Sjöland, D. Sjöberg, M. Gustafsson, G. Kristensson J.B. Anderson, O. Edfors, V. Öwall, T. Johansson, F. Rusek, M. Hell John Anderson, Lund University
Facilities and equipment Major laboratory and measurement equipment available • MIMO channel sounder (Sponsors KAW, FOI, LU) • Radio lab up to 60GHz (Sponsors KAW, Ericsson, Rohde & Schwarz) • Microwave anechoic chamber (Donation from Moteco/Perlos) • Lund U Nanocentrum processing facilities • Digital measurement lab John Anderson, Lund University
The perspective • Locally • 8000+ in wireless communication R&D in Lund • Large, medium, small and start-up companies in wireless (Ericsson AB, SonyEricsson, Axis, Perlos, TerraNet, ...) • Lund has a strong history in wireless (GSM foundations, Bluetooth developed here) • Nationally • Swedish industry needs strong research & skilled reseachers • Create new business opportunities for Sweden • Globally • Attract international companies • A liaison; an entre to Scandinavia John Anderson, Lund University
Major impacts 2006-2008 - I • Measurement campaigns - 3-10 GHz UWB infostations [Staffanstorp] - Sensor propagation in offices [E house] - Corner propagation [Landskrona] - Car to car propagation [Lund] • 60 GHz RF circuits - Beam forming architectures - Impulse transmitters in gated tunnel diodes • Bandwidth-efficient signaling methods - Faster than Nyquist signaling - FTN chips - MIMO receiver algorithms John Anderson, Lund University
Major impacts 2006-2008 - II • New wideband radio systems • - Detection/avoidance of other services • - Performance measures • - 60 GHz pulses • New antenna systems • - Improved physical bounds on small antennas • - Unified models of MIMO antenna/radio channels • New data security systems • - New crypto algorithms: Candidate for EU E-stream hardware • - Analysis of proposed algorithms • - New authentication algorithms John Anderson, Lund University
New infrastructure • Channel measurement facilities - New antenna systems - Planned frequency expansion • Professional master’s programs (the 2 largest at LU) - Wireless communication [30] - System on a chip [40] • Graduate/specialist courses - MIMO & space-time communication (F. Tufvesson) - Linear algebra for wireless communication (O. Edfors) - OFDM wireless communication (O. Edfors) - MIMO antennas (B.K. Lau) - Ultrawideband communication (F. Tufvesson) - Narrowband coded communication (J.B. Anderson) • 100 GHz measurement equipment (scope, impulse generator) John Anderson, Lund University
New funding for 60 GHz • Unique 60 GHz facilities for Sweden -- RF device fabrication -- Propagation measurement • Positioning Sweden in the new RF band • 60 GHz band gives unregulated wideband media for short range services • Low power technology important • Trained manpower for an important Swedish industry • Support new industry R&D in Lund and Sweden • Liaison to outside Scandinavia John Anderson, Lund University
Some ongoing projects John Anderson, Lund University
60/24 GHz CMOS Circuits at Lund University Recently measured 130nm and 90nm CMOS Technology, 12-60 GHz, System-on-Package • Oscillators, differential & quadrature • 60GHz frequency doublers • Receiver front-ends • PLL based LO generator with digital phase control John Anderson, Lund University
60GHz CMOS: Beamforming receivers Project leader: Prof. Henrik Sjöland phaseshifter phaseshifter CMOS Low cost & High integration 60GHz Wide band, compact antenna arrays Beamforming Increased range, reduced interference with phase shift at RF, LO, IF, or Baseband phaseshifter John Anderson, Lund University
24GHz CMOS: Oscillators Designed by Markus Törmänen VCO inductor on carrier, Q=80 0.36 mm2 90nm25GHz LC-VCO 0.97mm2 130nm 6GHz VCO with4x freq. multiplier 0.83 mm2 130nm 24GHz LC-QVCO 4 bit switched tuning Chip mounted on glass carrier System-on-Package John Anderson, Lund University
60 GHz CMOS: 130-nm 2nd order harmonic power amplifiers Designed by Johan Wernehag Chip under measurement in probe station John Anderson, Lund University
24 GHz CMOS: Receiver front ends at 130 nm, SoP technology Designed by Markus Törmänen With RF balun on carrier LNA performs balun function on-chip SoP = System On Package John Anderson, Lund University
24 GHz CMOS: Phase-locked loop based 12GHz LO generator in 90nm Designed by Andreas Axholt Our latest design: Just measured For beamforming transceivers with LO phase shift Digitally controlled phase shift 2 PLLs on one chip, no harmful interactions observed Currently under fabrication: Simplified LO phase shift 24GHz receiver with baseband phase shift Planned for next tape-out: 60GHz receiver with baseband phase shift John Anderson, Lund University
Landskrona measurement campaign HSWC: Measurement Campaigns John Anderson, Lund University
Bandwidth efficient BCJR decoder John Anderson, Lund University
60 GHz integrated antennas - I Daniel Sjöberg, Project leader The challenge: Couple the device energy to radiation The answer: Use the GaAs substrate as a dielectric antenna John Anderson, Lund University
60 GHz wide band integrated antennas - II Radiation pattern of dielectric resonator antenna, superposed on antenna structure. (.56x.65x1.30 mm) Tangential E-field at 60 GHz, uniform on the block, zero on the bowtie John Anderson, Lund University
60 GHz wide band integrated antennas - III GaAs sawn block, glued to ground plane, with bowtie feed (size 1 mm) HSWC: Integrated antennas John Anderson, Lund University
60 GHz impulse radio implementation - I • - Simple design, one-transistor only • Scalable to high frequencies • Gate may be used to pulse the oscillator Schematic operation Implementation HSWC: Impulse Radio John Anderson, Lund University
60 GHz impulse radio implementation - II DC Performance Control of pulse length down to 30 ps Can control pulse phase, amplitude and position John Anderson, Lund University
60 GHz impulse radio implementation - III Designed by Andreas Axholt 100 ps pulse in real time Spectrum of 100 ps pulse OOK at 2 Gpulse/s John Anderson, Lund University
HSWC and Lund University are committed to radio technologies needed for 802.11ad • A new effort is starting in 60 GHz • Channel modeling • RF technology • Antennae for handheld and notebooks • Industry-and-research collaboration is key to Productization July 2009 Conclusions Next Generation High Speed Wireless Communication John Anderson, Lund University