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Microlocal
and Geospatial News and Views Mapping Sensor Networks September 3, 2003 /Mike Liebhold RFID tech could become the basis for new cheap way to dial down the costs of very precise differential location services. Two companies Site Log Systems, and Samsys have announced" "Data Stakes, equipped with passive RFID tags, identify exact site locations and provide detailed information about buried assets or surface items of continuing interest." ... " Data Stake memory is accessed with a portable Data Stake Reader. A single reader can be used for any number of compatible stakes. The reader supplies radio frequency energy to the stake tag when the energized reader antenna is within operating distance. The tag responds with a burst of radio frequency energy encoded with identification number and memory contents. This encoded memory burst is received by the reader antenna and communicated to the reader computer screen." Meanwhild, Professor Deborah Estrin, Director of CENS, the Center for Embedded Networked Sensing " is leading investigation in a whole range of sensor net research requiring very precise location information: "CENS, a NSF Science & Technology Center, is developing Embedded Networked Sensing Systems and applying this revolutionary technology to critical scientific and social applications. Like the Internet, these large-scale, distributed, systems, composed of smart sensors and actuators embedded in the physical world, will eventually infuse the entire world, but at a physical level instead of virtual. ENS systems will form a critical infrastructure resource for society--they will monitor and collect information on such diverse subjects as plankton colonies, endangered species, soil & air contaminants, medical patients, and buildings, bridges and other man-made structures. Across this wide range of applications, Embedded Networked Sensing systems promise to reveal previously unobservable phenomena. The researchers in CENS are investigating fundamental properties of Embedded Networked Systems, developing new enabling technologies, and exploring novel scientific and educational applications". Here's an html version of "Embedded Everywhere" - a recent National Academy publication by an emminent committee lead by Professor Estrin, et. al. "Information technology (IT) is on the verge of another revolution. Driven by the increasing capabilities and ever declining costs of computing and communications devices, IT is being embedded into a growing range of physical devices linked together through networks and will become ever more pervasive as the component technologies become smaller, faster, and cheaper....These networked systems of embedded computers, referred to as EmNets throughout this report, have the potential to change radically the way people interact with their environment by linking together a range of devices and sensors that will allow information to be collected, shared, and processed in unprecedented ways.... Ongoing work in microelectromechanical systems (MEMS) will enable sensing and actuation on the scale of a nanometer. The possibilities for miniaturization extend into all aspects of life, and the potential for embedding computing and communications technology quite literally everywhere is becoming a reality. IT will eventually become an invisible component of almost everything in everyone's surroundings." If you are further interested, theres' quite a few related upcoming events: 9/6/03 Radio Frequency
Identification Technology (RFID) - Emerging Challenges and Opportunities - SVCWireless Assoc
- Santa Clara
9/8/03 NSF Workshop on Wireless Networked Sensor and Actuator Systems - CENS UCLA 11/15/03 ACM SensSys '03 - LA 11/15/03 RFID Privacy Workshop at MIT 2003 |
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