1 1 eRFquake A quick look at wireless mobile sensors Copyright Nitrosoft 2010 NITROSOFT & CORTUS

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eRFquake

A quick look at wireless mobile sensors

Copyright Nitrosoft 2010

NITROSOFT & CORTUS

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Integrator’s challenges

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You designed a sensor, hard choice for wireless implementation ZigbeeZwaveWavenisWiFiProprietary (investment $$$)

You provide wireless communication, how to improve sensor coverageDistributorsPartnersProprietary (investment $$$)

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eRFquake foundations: interoperability

Wireless chipeRFquake

Sensor

Protocol freeZigbee, Zwave, Wavenis….

Sensor free Interfaces & Parameters

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Mobile sensor constraints

Mobile sensor, self poweredPower SupplyConsumptionBattery lifetime

Mobile sensor, RTLS locationMotion device Location device

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Wireless chipeRFquake

PCB

Sensor

Protocol freeZigbee, Zwave,

Wavenis….

Sensor freeInterface,

Parameters

Power freeEmbedded boosters (3 V -24V)

andEnergy Harvesting

Location

Motion Sensor Embedded RTLS

device

eRFquake’s focus on mobile

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eRFquake design

eRFquakeChip &

Co-Processor

Sensordevice

EnergyHarvesting

Boosterdevice

RF modem

Motion Sensor

I2C & SPI

RTLSdevice

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Energy Harvesting

eRFquakechip

EnergyHarvesting

Boosterdevice

Motion Sensor

RTLSdevice

Ultra low voltage

From 0.1 Volt

Voltage multiplier

carterpillar

PowerSupply

Energy from

PhotovoltaicAmperometric

Motion induction

Pyro electricity

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Booster

eRFquakechip

Booster Device

Energy harvesting

Motion Sensor

RTLSdevice

Power Supply

BoosterDevice

Sensor

Tuning voltage to sensor

needs.

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Motion sensor

eRFquakechip

Motion Sensor

Boosterdevice

RTLSdevice

StartStop Power

supply

Switchers

CPU Sleep mode

Energy harvesting

RF modem

RTLS device

Energy saving

Shut down if stopped

Shut down if stopped

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RTLS, tracking location

eRFquakechip

Boosterdevice

Motion Sensor

incoming RFBeacon

eRFquakeLocation

Distance(s) calculation

Energy harvesting

RTLSdevice

LoadRTLS

Incomingultrasound

Maths (FFT)

1 to 4 beacons100 meters

rangeAccuracy

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RTLS location

Em

itte

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Rece

ivers

o Beacon designLow voltage power supplyVoltage multiplier catterpillar (Nitrosoft TM)Long range ultrasound (100 meters)

o Mobile designUltrason transducer

Low Power ( 0.24 mA)Low cost (mass production)Tiny ( 4 mm2)

APS3 maths (Fast Fourier Transform)Multiple frequencies analysis by FFT for real time

tracking.

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Addressing integrator challenges

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o You designed a sensor, free choice for wireless implementation and added featuresPower supplyEnergy HarvestingRTLS and tracking mobile sensors

o You provide wireless communication, improving coverageeRFquake chip connectivityeRFquake interoperability