Radio Links in Android Device, Rutronik

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Radio Links in Android Device, Rutronik

  1. 1. Comparison of radio links inside anAndroid device and examples for applications (Bluetooth Low Energy, Bluetooth, ANT+, NFC, WIFI) Harald NaumannMobile +49-175-5774832 / harald_naumann@rutronik.com 1
  2. 2. Short range radio inside Android phones NFC Bluetooth Bluetooth ANT+ Wifi Wifi 2.1 (EDR) Low Energy / 802.11b/g 802.11n BT Smart Google Nexus X X X X Prime Samsung S2 X X X Motorola Razr Droid X X X X Sony ARC S X X X Xhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 2
  3. 3. 480 minutes shirked to 25 minutesClose 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.html Just send an email to nha@rutronik.com and ask for time/location of the Rutronik Wireless Roadshow Today we have to hurry up and shrinkhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 3
  4. 4. Short range radio links inside phones NFC Bluetooth Bluetooth ANT+ Wifi Wifi 2.1 (EDR) Low Energy 802.11b/g 802.11n Standard ISO/IEC Bluetooth Bluetooth Garmin Wi-Fi Alliance Wi-Fi Alliance by SIG SIG Network ISO 13157 IEEE IEEE proprietary IEEE IEEE 802.11n Standard etc. 802.15.1 802.15.1 802.11b/g Network Point WPAN WPAN WPAN WPAN WPAN Type to point Range free < 0.2 m ≈ 100 m ≈ 100 m ≈ 100 m ≈ 38 m indoor ≈ 70 m field (class 2) outdoor outdoor / ≈ 140 m indoor / ≈ 250 outdoor outdoor m outdoor Frequency 13.56 MHz 2.4–2.5 GHz 2.4–2.5 GHz 2.4–2.5 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) 150 Mbps / 90 54Mbps / Mbps Multi 36Mbps / stream max 1Mbps 600 Mbps Set-up time < 0.1 s <6s < 0.006 s ? ? ? Power < 15mA < 40 mA < 15 mA RX 15 mA TX / (Max/Typ/Min) ? consum- (read) (class 2) and TX 17 mA RX RX : 100 - ption 250mA TX:http://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 250 - 350mA Page 4
  5. 5. Bluetooth LE / Smart versus Classic Bluetooth Feature BR/EDR Bluetooth LE Notes RF Channels 79 40 2 MHz spacing in LE 1MHz in BT Modulation GFSK GFSK Modulation Index 0.25 - 0.35 0.45 - 0.55 Wider signal – more robust Max Tx Power +20 dBm (class 1) +10dBm +10 dBm regulatory +4dBm (class 2) No class structure limit RX sensitivity -85 dBm -85 dBm BR pathloss = 90 db LE pathloss = 95 dB Range (typical) 30 meter 50 meter Modulation index, (up to 1500 meter increased power for with +18 dBm) class 2http://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 5
  6. 6. Bluetooth LE / Smart versus Classic Bluetooth Feature BR/EDR Bluetooth LE Notes Packet 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 LE very short octets Max Data Rate 2178.1 kb/s 305 kb/s LE very short Time to transfer DH1 = 18.2 s, 13.9 s (LE) LE less efficient 1Mbyte DH5 = 8.8 s, for large packets 3-DH5= 2.9s CRC Strength 16 24 LE stronger Encryption Safer+ AES-128 LE strongerhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 6
  7. 7. Bluetooth LE / Smart versus Classic Bluetooth Feature BR/DER Bluetooth LE Notes Protocols Supported 14 3 Only ATT required for all by Host plain text applications Min protocols for 3 (SDP, 2 (ATT, LE uses ATT for service application L2CAP, L2CAP) discovery and apps ) App Protocol) 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 <1s 13.93s LE very slow L2CAP overhead 4 to 12 4 octets LE basic headers only octets L2CAP configuration 7 0 Nothing configured in LE options L2CAP commands 17 1 LE very simplehttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 7
  8. 8. Apps @ Car / Home / Factory  Bluetooth Low Energy  Classic Bluetooth  Wifi  NFC/RFID passive tags  NFC/RFID reader/ writerhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 8
  9. 9. 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 Keyboard and mouse on BT LE Phone with BT LE and heart rate belt Watch on BT LE Proximity tag on BT LE Temperature data loggerhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 9
  10. 10. 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 data logger AAL Ambient Assisted Living Phone with ANT+ Wireless ECGhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 10
  11. 11. 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 tags by Rutronik Phone with NFC NFC tags by NFC app at Sony or IDtronic NFC reader reference Android market /demo by STMhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 11
  12. 12. 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 easyhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 12
  13. 13. WIFI @ Car / Home / Factory  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 Phone with WIFIhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 13
  14. 14. Classic Bluetooth @ Car / Home / Factory  Apps by Classic Bluetooth  uC + PAN1321i + battery => That´s it  Or just one of the 20+ other Bluetooth modules / ICs by Rutronik Advertising on Bluetooth RS232 to Bluetooth  “That´s it” solution is using a BT module PAN1321i with SPP controlled by AT Hands free kit commands for bikes Phone with Bluetoothhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 14
  15. 15. Your application @ Car / Home / Factory  You want your own “That´s it” solution? Bluetooth LE  Just email to nha@rutronik.com for you  Call +49 175 5774832 NFC  Or text to +49 175 5774832 WIFI for you for you  Or talk to someone of the wireless team at www.rutronik.com ANT+ for you Classic Bluetooth for youhttp://www.rutronik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 Page 15
  16. 16. Thank you in the name of the wireless team RUTRONIK Elektronische Bauelemente GmbH Industriestraße 2 | 75228 Ispringen/Pforzheim >100 years wireless knowledge available to you Phone + 49 (0) 7231 801-0 | Fax + 49 (0) 7231 82282 Speaker: Mr. Harald Naumann Mobile: + 49 175 574832 E-Mail: harald_naumann@rutronik.com Homepage: www.rutronik.com Wireless Competence Centres Kista (Sweden) , Ispringen (Germany) 16www.rutonik.com / Harald Naumann / harald_naumann@rutronik.com / +49 175 5774832 Page 16

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