Bluetooth bluetooth-low-energy-ant-nfc-wifi-compare

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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 Page 2

Short range radio inside Android phones

NFC Bluetooth2.1 (EDR)

BluetoothLow Energy /

BT Smart

ANT+ Wifi802.11b/g

Wifi802.11n

Google Nexus

PrimeX X X X

Samsung S2 X X X

Motorola Razr Droid X X X X

Sony

ARC S X X X X


480 minutes shirked to 25 minutes

Close the same topics free of charge� Wireless links around your Smart Phone:

NFC, Classic Bluetooth, Bluetooth Smart, ANT+ and WIFI

� Rutronik Wireless Roadshow Dortmund 22.- 24.05 and 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.htmlJust send an email to [email protected] and ask for time/location of the Rutronik Wireless Roadshow

� Today we have to hurry up and shrink


Short range radio links inside phones

NFC Bluetooth2.1 (EDR)

BluetoothLow Energy

ANT+ Wifi802.11b/g

Wifi802.11n

Standard by

ISO/IEC BluetoothSIG

BluetoothSIG

Garmin Wi-Fi Alliance Wi-Fi Alliance

NetworkStandard

ISO 13157 etc.

IEEE 802.15.1

IEEE 802.15.1

proprietary IEEE 802.11b/g

IEEE 802.11n

Network

Type

Point

to point

WPAN WPAN WPAN WPAN WPAN

Range freefield

< 0.2 m ≈ 100 m

(class 2) outdoor

≈ 100 m

outdoor

≈ 100 m

outdoor

≈ 38 m indoor/ ≈ 140 m

outdoor

≈ 70 m indoor/ ≈≈≈≈ 250 m

outdoorFrequency 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 GHz

Bit 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

?


Bluetooth LE / Smart versus Classic Bluetooth

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

1MHz in BTModulation GFSK GFSK

Modulation Index 0.25 - 0.35 0.45 - 0.55 Wider signal – morerobust

Max Tx Power +20 dBm (class 1) +4dBm (class 2)

+10dBm No class structure

+10 dBm regulatorylimit

RX sensitivity -85 dBm -85 dBm BR pathloss = 90 db

LE pathloss = 95 dBRange (typical) 30 meter

(up to 1500 meter with +18 dBm)

50 meter Modulation index, increased power for class 2



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% shorter

8 octet Packet 214 µs 144 µs 67% shorter

Max Packet Size 2875 µs = 1021octets 328 µs = 27 octets

LE very short

Max Data Rate 2178.1 kb/s 305 kb/s LE very short

Time to transfer1Mbyte

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

13.9 s (LE) LE less efficientfor large packets

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



Feature BR/DER Bluetooth LE NotesProtocols Supportedby Host

14 3 Only ATT required for all plain text applications

Min protocols forapplication

3 (SDP, L2CAP,

AppProtocol)

2 (ATT, L2CAP)

LE uses ATT for service discovery and apps )

1 MB using BR 8.81 s 13.93s BR 60% faster for data

1 MB using DER 2.93 s 13.93s EDR ~5x faster

1 MB using HS < 1 s 13.93s LE very slow

L2CAP overhead 4 to 12 octets

4 octets LE basic headers only

L2CAP configurationoptions

7 0 Nothing configured in LE

L2CAP commands 17 1 LE very simple


Apps @ Car / Home / Factory

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


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 mouseon BT LE

Temperature data logger

Watch on BT LE

Proximity tag

on BT LE


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 / Icsby Rutronik

Wireless ECG

Wireless data logger

AAL Ambient Assisted Living Phone with ANT+


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 by

Sony or IDtronic

Phone with NFC


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


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 / Icsby 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


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 / ICsby 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


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 LE

for you

Classic Bluetooth

for you

WIFI

for you

NFC

for you

16

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the wireless team

Technology

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