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G2 Microsystems

Dr David Crosby. G2 Microsystems. G2 Microsystems creates system-on-chip solutions and tags that leverage the global 802.11 infrastructure for locating, monitoring and tracking assets

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G2 Microsystems

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  1. Dr David Crosby G2 Microsystems

  2. G2 Microsystems creates system-on-chip solutions and tags that leverage the global 802.11 infrastructure for locating, monitoring and tracking assets Founded in 2004 by a group from Radiata, a start-up company that created the first Wi-Fi CMOS implementation, later acquired by Cisco Venture-backed with investments from Siemens Venture Fund, UPS Strategic Enterprise Fund, Starfish Ventures, and Deutsche Asset Management Ltd Corporate headquarters in Campbell, CA with research & development in Sydney, Australia Company Background

  3. Product: G2C501 • Low-power SoC that uses 802.11 infrastructure to locate, sense and track assets Wi-Fi Access Point • Multiple location technologies • Environmental sensing • Versatile – field programmable, secure communication • Multi-year battery life

  4. G2C501 Functional Blocks AES, RC4,TKIP, Michael, Hash-MD5, and Hash-SHA1 accelerator 2.4 GHz Low Power Transceiver Crypto Accelerator 802.11b RSSI Location ISO 24730 TDOA Location 802.11 and ISO 24730-2 PHY and MAC 32-bit CPU Subsystem General Sensor Interface eCOS TCP/IP, UDP… Security software Interfaces to sensors for temperature, humidity, shock, pressure, motion, light, chemical, security, radiation 125kHz Magnetic Receiver Digital Interface (External Flash, SPI,GPIO,UART) Real time clock supports timer wake-up 2KB Bytes NV memory Power sequencing Power Management Unit 900 MHz EPC

  5. 802.11: RSSI Based Location • 802.11b PHY/MAC (1, 2 , 5.5, 11 Mbps) • Uses existing WiFi infrastructure • Makes use of existing RSSI-based location solutions (e.g. CISCO LBS)

  6. ISO 24730 Location • Superset of ANSI 371.1 • TDOA • DS-CDMA (2.4 GHz) • 30 Mchip/s (60 MHz) • 60 kbps • Accuracy ~ 3m • Beaconing rates typically 30 seconds to days or more

  7. Electronic Product Code (EPC) • Emulates a passive RFID tag • and responds to RFID readers • Tag location is known when in range of the reader • Range of a few metres

  8. Uses magnetic induction coupling Less susceptible than 900 MHz EPC to environmental effects Wake/reconfigure tag at strategic locations Provides better time resolution of tag location Range 1-7m, adjustable Receive only, 802.11 return path 125 kHz Magnetic Sign Post

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