Radio Links in Android Device, Rutronik

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Comparison of radio links inside an Android device and examples for applications

(Bluetooth Low Energy, Bluetooth, ANT+, NFC, WIFI)

Harald NaumannMobile +49-175-5774832 / [email protected]

http://www.rutronik.com / Harald Naumann / [email protected] / +49 175 5774832

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Short range radio inside Android phones

NFC Bluetooth 2.1 (EDR)

Bluetooth Low Energy /

BT Smart

ANT+ Wifi 802.11b/g

Wifi 802.11n

Google Nexus Prime

X X X X

Samsung S2 X X X

Motorola Razr Droid X X X X

Sony ARC S X X X X


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Berlin 25. – 27.09 (one day is for links around your phone) Several suppliers will talk about latest wireless solutions

Free of charge Roadshows and webinars here:http://www.rutronik.com/webinars.html Just send an email to [email protected] and ask for time/location of the Rutronik Wireless Roadshow

Today we have to hurry up and shrink

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Short range radio links inside phones

NFC Bluetooth 2.1 (EDR)

Bluetooth Low Energy

ANT+ Wifi 802.11b/g

Wifi 802.11n

Standard by

ISO/IEC Bluetooth SIG

Bluetooth SIG

Garmin Wi-Fi Alliance Wi-Fi Alliance

Network Standard

ISO 13157 etc.

IEEE 802.15.1

IEEE 802.15.1

proprietary IEEE 802.11b/g

IEEE 802.11n

Network Type

Pointto point

WPAN WPAN WPAN WPAN WPAN

Range free field

< 0.2 m ≈ 100 m (class 2) outdoor

≈ 100 moutdoor

≈ 100 moutdoor

≈ 38 m indoor / ≈ 140 m outdoor

≈ 70 m indoor / ≈ 250 m outdoor

Frequency 13.56 MHz 2.4–2.5 GHz 2.4–2.5 GHz2.4–2.5 GHz 2.4–2.5 GHz 2.4–2.5 GHzBit rate 424 kbit/s 2 to 3 Mbps ≈1.0 Mbps ≈1.0 Mbps (Max/Typ/Min)

54Mbps / 36Mbps / 1Mbps

150 Mbps / 90 Mbps Multi stream max 600 Mbps

Set-up time < 0.1 s < 6 s < 0.006 s ? ? ?Power consum-ption

< 15mA (read)

< 40 mA (class 2)

< 15 mA RX and TX

15 mA TX / 17 mA RX

(Max/Typ/Min) RX : 100 - 250mA TX: 250 - 350mA

?


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Bluetooth LE / Smart versus Classic Bluetooth

Feature BR/EDR Bluetooth LE NotesRF Channels 79 40 2 MHz spacing in LE

1MHz in BTModulation GFSK GFSKModulation Index 0.25 - 0.35 0.45 - 0.55 Wider signal – more

robustMax Tx Power +20 dBm (class 1)

+4dBm (class 2)+10dBm No class structure

+10 dBm regulatory limit

RX sensitivity -85 dBm -85 dBm BR pathloss = 90 db LE pathloss = 95 dB

Range (typical) 30 meter (up to 1500 meter with +18 dBm)

50 meter Modulation index, increased power for class 2


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Feature BR/EDR Bluetooth LE NotesPacket Format 6 (BR / EDR) 2 (LE) ID, FHS, DM, DH,

2-DH, 3-DH - Advertising/ Data

Ack Packet Len 126 µs 80 µs 63% shorter8 octet Packet 214 µs 144 µs 67% shorterMax Packet Size 2875 µs = 1021octets 328 µs = 27

octetsLE very short

Max Data Rate 2178.1 kb/s 305 kb/s LE very shortTime to transfer 1Mbyte

DH1 = 18.2 s, DH5 = 8.8 s, 3-DH5= 2.9s

13.9 s (LE) LE less efficient for large packets

CRC Strength 16 24 LE strongerEncryption Safer+ AES-128 LE stronger


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Feature BR/DER Bluetooth LE NotesProtocols Supported by Host

14 3 Only ATT required for all plain text applications

Min protocols for application

3 (SDP, L2CAP, App Protocol)

2 (ATT, L2CAP)

LE uses ATT for service discovery and apps )

1 MB using BR 8.81 s 13.93s BR 60% faster for data1 MB using DER 2.93 s 13.93s EDR ~5x faster1 MB using HS < 1 s 13.93s LE very slowL2CAP overhead 4 to 12

octets4 octets LE basic headers only

L2CAP configuration options

7 0 Nothing configured in LE

L2CAP commands 17 1 LE very simple


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Apps @ Car / Home / Factory

Bluetooth Low Energy Classic Bluetooth Wifi NFC/RFID passive tags NFC/RFID reader/ writer


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Bluetooth Low Energy @ Car / Home / Factory

Based on Nordic nRF8001 or nRF8002 Create your own BT LE design easy uC + sensor + nRF8001 + battery => That´s it

Phone with BT LE and heart rate belt

Keyboard and mouse on BT LE

Temperature data logger

Watch on BT LE

Proximity tagon BT LE


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ANT+ @ Car / Home / Factory

Based on Nordic nRF24APxx Create your own ANT+ design easy uC + nRF24APxx + battery => That´s it Or just one of the 20+ other ANT+ modules / Ics

by Rutronik

Wireless ECG

Wireless data logger

AAL Ambient Assisted Living Phone with ANT+


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NFC / RFID read only @ Car / Home / Factory

Free of charge app at Android market to control your Android smart phone

NFC / RFID tags by Sony Or just one of the 20+ other

NFC / RFID tagsby Rutronik

NFC reader reference /demo by STM

NFC app at Android market

NFC tags bySony or IDtronic

Phone with NFC


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NFC / RFID read & write @ Car / Home / Factory

Based on STM M24LR64E and /or RFID /NFC reader/writer CR95HF

Writing/ reading to EEPROM by NFC or I2C

STM M24LR64E + STM8 + temperature senor + battery = temperature data logger

Can be redesigned to any kind of data logger easy


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WIFI @ Car / Home / Factory

Phone with WIFI

Smart Home by WIFI uC + RS-9110-N-11-22 + battery => That´s it Or just one of the 20+ other WIFI modules / Ics

by Rutronik

“That´s it” solution is using a WIFI module with embedded TCP/IP stack controlled by AT commands

Or TCP/IP stack on your uC

Or drivers for Android, Linux and Windows XX


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Classic Bluetooth @ Car / Home / Factory

Phone with Bluetooth

Apps by Classic Bluetooth uC + PAN1321i + battery => That´s it Or just one of the 20+ other Bluetooth modules / ICs

by Rutronik

“That´s it” solution is using a BT module PAN1321i with SPP controlled by AT commandsHands free kit

for bikes

RS232 to BluetoothAdvertising on Bluetooth


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Your application @ Car / Home / Factory

ANT+for you

You want your own “That´s it” solution?

Just email to [email protected]

Call +49 175 5774832

Or text to +49 175 5774832

Or talk to someone of the wirelessteam at www.rutronik.com

Bluetooth LEfor you

Classic Bluetoothfor you

WIFI for you

NFCfor you

mailto:[email protected]

http://www.rutronik.com/

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Phone + 49 (0) 7231 801-0 | Fax + 49 (0) 7231 82282Speaker: Mr. Harald Naumann

Mobile: + 49 175 574832

E-Mail: [email protected]

Homepage: www.rutronik.com

Wireless Competence Centres

Kista (Sweden) , Ispringen (Germany)

>100 years wireless knowledge available to you

Page 16www.rutonik.com / Harald Naumann / [email protected] / +49 175 5774832

Thank you in the name ofthe wireless team

mailto:[email protected]

http://www.rutronik.com/

Radio Links in Android Device, Rutronik

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