Hardwired NYC - September 9, 2014

@stevecheney | Co-Founder and SVP Business Operations

Estimote Physics of Beacons & Positioning

Estimote is the global leader in iBeacon solutions25,000+ developers are building on our hardware and software

platform

50+ employees in 2 offices: New York & Europe

Certified under Apple iBeacon program

$3.1 in funding YC Summer 2013 class

Shipping worldwide since August 2013

Estimote Stickers - “Nearables”

Virgin Atlantic @ Heathrow

Smartphones are amazing…

But…they’re not actually that smart

They lack context on your immediate surroundings

Physics and Beacon tech crash course

Beacon broadcasting radiowaves

Current in the wire creates magnetic field

wire

magnetic field

current

AC current creates electromagnetic wave

oscillator

2.4 Ghz ~ 13 cm

Electromagnetic waves

Sight for your Smartphone

Receiving radiowaves

Bluetooth antenna

Digitalizing and decoding information

iBeacon identification

B9407F30-F5F8-466E-AFF9-25556B57FE6D

12223

123

Proximity UUID: 128-bit unique identifier

Major: 16-bit unsigned integer

Minor: 16-bit unsigned integer

Combining UUID with external content

RSSI = Received Signal Strength Indicator

distance

received power

Antenna radiation pattern

Different antenna design

Estimote Beacon antenna

Bluetooth signals advertising

Every 100 or so ms

RSSI variation

iOS Core.location noise reduction

Noise reasonsInterference Diffraction

Multipath Absorption

Distance estimation

r = distance

I = power density ~ RSSI

P = broadcasted power

r = P

4 I

Extended range & trialiteration

x1, y1

x2, y2

x3, y3

r1r2

r3

Narrowed range & cell network

Estimote Indoor Positioning SDK

Estimote Indoor Positioning SDK

Steve Cheneysteve@estimote.com@stevecheney

Thank you& Q&A