Human++ at the Holst Centre - Boston University€¦ · team up with IMEC in the Holst Centre...
Transcript of Human++ at the Holst Centre - Boston University€¦ · team up with IMEC in the Holst Centre...
Leverage your potential in wireless autonomous transducer solutions –team up with IMEC in the Holst Centre
[email protected] Director
Boston – November 17, 2006
Wireless Autonomous Transducer Solutions
2© Holst Centre
WATS Technology Focus
<10kb/s
DSP&storage
Security
MAC
RFNon-EWorld
Sensor CE-ADC Processor Radio
20µW 20µW 40µW 20µWAvg.
Power80 Mops 2nJ/b
Energy scavenger
100 µWAvg power
Power Mgr
< 500mV CMOSAbove IC MEMS, passivesGrain size packaging Ambient
Research highlights
Ultra low power radio
Ultra low power DSP
Micropower systems
Sensors & actuators
Plat
form
s
Generic technologies
Wireless Autonomous Transducer Solutions
4© Holst Centre
EEG, ECG, EMG read out at ultra low power
EEG
ECG
EMG
Electronically Selectable Gain: 400 - 2600Adjustable BandwidthUltra Low Power Dissipation 21 µA @ 3VLow Input Referred Noise = 70
nV/sqrt(Hz)High CMRR = 120 dB110 dB CMRR at 50 mV electrode offset
ISSCC06
Wireless Autonomous Transducer Solutions
5© Holst Centre
Ultra low power DSP
• Single channel QRS algorithm, detects heart beat in ECG waveform
• SiHive PearlRay3 issue slot VLIW
• Simulation (@90nm)Active power consumption 6mWDuty cycle 1%Average power consumption 60µW
Wireless Autonomous Transducer Solutions
6© Holst Centre
An alternative PHY for ZigBee: 802.15.4a
• BenefitsPositioningLow costLow powerScalable data rate - range
Wireless Autonomous Transducer Solutions
7© Holst Centre
UWB Transceiver Architecture demonstrated in lab –bits in – bits out
180 nm CMOSPulse Position ModulationMax. Pulse rate: 40 MHzEnergy per pulse: 50 pJ
180 nm CMOS 3.1-5GHzMax pulse rate: 20MHz15mA @ 1.8V SupplyISSCC06
Wireless Autonomous Transducer Solutions
8© Holst Centre
A 1nJ/burst 3-to-10GHz UWB Digital Transmitter in 90nm CMOS for IEEE 802.15.4a
• New ultra low power transmit architecture developed for IEEE 802.15.4a
90nm CMOS UMC1V supply3.5GHz carrier
0.65 nJ per 16 chips burst0.65mW for 1Mb/s
10GHz carrier1.4 nJ per 16 chips burst1.4mW for 1Mb/s
-10dBm in 50OhmPatent filed
• Working silicon• Accepted for ISSCC 07
Burst
Slot
Symbol
Chip
Burst
Slot
Symbol
Chip
Time
Freq
3494.4Mhz 9984.0Mhz
Mandatory mode:- Symbol rate: 1MHz- Chip rate: 499.2MHz- Chips per Burst: 16
1 2 3 5 6 8 9 10 12 13 14Band
499.2Mhz
low-band high-band
Wireless Autonomous Transducer Solutions
9© Holst Centre
Power management – from scavenger to storage
Power consumption: 30nWEfficiency: 95%250 x 270 µm2
RectifierDC/DC-
converter
Power Management Circuit
Controller
m Energystorage
scavenger
Healt
hca
re
Ind
ust
rial
Selected applicationswith leading innovators
Research highlights
Wireless Autonomous Transducer Solutions
11© Holst Centre
Pulse oxymeter powered with thermal energy (Demo)
+ +
Commercial pulse-oxy sensor clip/wrap
(Nonin)
3D stack for processing and wireless communication
BiTe thermo-electric generator “watch”
Autonomouswireless pulse-oxymeter
+ - Ultra-low power circuit design
- System integration
Wireless Autonomous Transducer Solutions
12© Holst Centre
Sensor driven contextual medical database access (Demo)
Wireless Autonomous Transducer Solutions
13© Holst Centre
Nokia 770 with interface to WATS sensor modules for fitness tracking
Wireless Autonomous Transducer Solutions
14© Holst Centre
High end sensor platform for industrial applications (Demo)
• ApplicationsPredictive maintenanceReal time machine control
• FeaturesSensors
Camera interfaceOptical linear arrayProximityAccelerometer
Inductive wireless power transferHigh speed radio connection (WiMedia)High performance microprocessor (ARM9)RT OS: eCOS
Wireless Autonomous Transducer Solutions
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Three modes of cooperation with IMEC-NL
• Technology PartnerDirectly involved in one or more of the generic technologies
• Project BasedBuilt around a number of sensors implemented on the generic platform in view of the client’s specific application
• Fellow TravelerAllowing companies of the eco-system preferred access to resultsNext Fellow Traveler Meeting is March 27, 2007 (Eindhoven)
Your local contact:Luc [email protected](781) 861-9736
Wireless Autonomous Transducer Solutions
16© Holst Centre