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The eyesIFX platform

The eyesIFX platform. Vlado Handziski Technical University Berlin Filling in for: Thomas Lentsch Infineon Technologies, AG. Infineon’s eyesIFX Platform. Developed by Infineon for the Energy-efficient self-organizing and collaborative wireless sensor networks project – EYES

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The eyesIFX platform

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  1. The eyesIFX platform Vlado Handziski Technical University Berlin Filling in for: Thomas Lentsch Infineon Technologies, AG TinyOS Technology Exchange II

  2. Infineon’s eyesIFX Platform • Developed by Infineon for the Energy-efficient self-organizing and collaborative wireless sensor networks project – EYES • TI MSP430 microcontroller family • 64 kbps 868MHz ASK/FSK Infineon Wireless Transceiver TDA5250 • HW UART based byte interface towards the radio • Integrated Temperature and Light sensors • Full TinyOS software support provided by TU Berlin TinyOS Technology Exchange II

  3. eyesIFXv2 Node Architecture TinyOS Technology Exchange II

  4. The eyesIFXv2 Mote TinyOS Technology Exchange II

  5. TDA525x Block Diagram TinyOS Technology Exchange II

  6. TDA525x - Feature List • Technology 0.5µ 25GHz BiCMOS-Process • Frequency bands 315MHz (TDA5251) • 433MHz (TDA5255) • 868MHz (TDA5250) 915MHz (TDA5252) (from Q2/05) • Data rate 1..64 KBit/s • Deviation / Mod. index 10..150KHz / mH > 2 • Sensitivity ASK: < -110 dBm @ 50W, BER = 10-3 • FSK: < -100 dBm @ 50W, BER = 10-3 • Transmit power Pout up to +13 dBm @ 50 W • Supply voltage 2.1..5.5V • Current consumption TX: typ. 10mA RX: typ. 8 mA @ 3V • Power down max. 100nA • Temperature range -40°C / +85°C • Self-polling with fast data rate detection easing CSMA protocol implementation, on-chip data and channel filters set via I²C or SPI bus TinyOS Technology Exchange II

  7. eyesIFXv2 Deployments • TU Berlin’s WSN Testbed • Testing WSN building automation applications in realistic setting • About 50 instrumented rooms, more then 120 nodes spread on four floors of the TKN office building • USB back channel allowing remote control and debugging TinyOS Technology Exchange II

  8. Summary • Initially developed as research platform for the EYES project • Targets the low-power end of the WSN application spectra • Shows how the cost of the WSN platforms can be reduced by reusing designs from related high volume markets • TDA 5250 family originally developed for the “Remote key-less car entry” application • Node design influenced by Infineon’s wireless tire pressure measurement solutions • eyesIFXv2 motes (868MHz) commercially available in Q2/05, after the end of the EYES project TinyOS Technology Exchange II

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