Writing an engaging and interesting book on a technical subject poses a significant challenge. Dive too deeply into the technical minutiae and you risk boring non-technical readers. Skim too superficially and you fail to do the subject justice. In his new book, You Are Here: From the Compass to GPS, […]
WiFi
Here are some RTLS news items of interest: Chinese plans to track cell phones raise concerns: Beijing to track people’s movements via their mobile phones – Computerworld. Hat Tip: @TheSchnack Skyhook brings location-awareness to the Sony NGP, including WiFi-only models — Engadget. Computer scientists develop smart, less obtrusive tracking system […]
Last week, Joshua Brustein reported at the New York Times that “Location-Based Services Have Not Caught On,” citing a Pew Center report that shows use of such services has declined from 5% to 4% over the last six months. The most current survey had a +/-3% margin of error. I […]
AeroScout announced yesterday that it has secured $16 million in venture financing to capitalize on the strong demand for its Real-Time Location System (RTLS) and to continue to accelerate the adoption of its Wi-Fi RFID solutions. New investor Evergreen Venture Partners led the round, and all of AeroScout’s existing investors […]
Time for more wireless updates: Here’s a great article about the British precursor to LORAN: “GEE.” GEE was one of the first implementations of the “Time-Difference-of-Arrival (TDOA)” concept used in some modern RTLS implementations. A simple explanation of Ekahau RTLS: “The Perfect Pairing of RF and IR.” Whatever happened to […]
ÆtherCzar briefly mentioned this last week, but it bears repeating in further detail. When you log in to Facebook, Twitter, or other such sites over an unsecured WiFi network, you are broadcasting your identity and login information in a way that anyone else on the network can detect and exploit. […]
A few updates: The FCC has granted Garmin’s request for an extension of the waiver allowing transmission of digital GPS coordinate data on GMRS. Hat Tip: Steven J. Crowley Trimble acquired RFID vendor ThingMagic. Hat Tip: VeryFields RFID GS1 Hong Kong announced the winners of the Hong Kong RFID Awards […]
Xirrus (Twitter) provides a wonderful series of posters describing the details of 802.11a/b/g wireless networks. Other posters in the same series describe Bluetooth, ZigBee and UWB data networks. Hat Tip: Johnny Wireless
It was a busy week to have been out on vacation. Here are some RTLS and Location-Based Services links to help get caught up: My employer, NFER® RTLS vendor Q-Track, unveiled an updated website, took second place in the Global Security Challenge, West Coast Final, and was featured in RFID […]