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


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


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


6© Holst Centre

An alternative PHY for ZigBee: 802.15.4a

• BenefitsPositioningLow costLow powerScalable data rate - range


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


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


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


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


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


15© Holst Centre

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

human++ at the holst centre - boston university€¦ · team up with imec in the holst centre...

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