Women in Tech: Hedy Lamarr
It was back in 1941 when Hedy Lamarr, an Austria born actress, together with George Antheil co-patented a “secret communication system” which allowed radio control of torpedoes that could not be easily discovered, deciphered or jammed. Her secret: frequency hopping! Coordinated, rapid changes in radio frequencies would literally “hop” in the radio spectrum, thus evading detection and the potential of interference, in other words, being suppressed or jammed. Even though her idea was ahead of its time and not implemented in the U.S. until 1962, when it was used by U.S. military ships during a blockade of Cuba (after the patent had expired), it is now the basis for modern Frequency Hopping Spread Spectrum (FHSS) wireless communication systems. FHSS wireless systems are very resilient when it comes to impairments such as interference (deliberate or coincidental) and “jamming.” Other effects can be observed when wireless signals travel through space, such as the “multipath” phenomenon, simply because they use only very small amounts of radio spectrum at a time and don’t dwell (or remain) at that frequency long, instead “hop” to another frequency quickly. Statistically, chances are that the signal does not “land” at the interfering frequency, thereby successfully evading the jamming signal. This makes Denial of Service (DoS) attacks on FHSS systems very difficult, albeit not completely impossible. Information Pioneers – Hedy Lamarr Edition As part of BCS, The Chartered Institute for IT video series, Miranda Raison presents Hedy Lamarr for the “Information Pioneers” series and dives deeper into the history behind one of wireless communication’s leading ladies who, together with George Antheil, pioneered the beginning of a communication revolution. Hedy Lamarr would’ve been 101 years old this November.
Do You Have Intelligence at the Edge?
Smart devices have added a level of convenience to our lives that we couldn’t have imagined 20 or 30 years ago. Through applications we can manage our bank accounts, check email, listen to music, read the news, pay our bills — and that’s just the tipping point of what’s available today. Now, imagine a business being able to intelligently control the devices at the outermost edge of its communication network through third party applications that operate in a similar fashion to those used on our smartphones. With the Industrial Internet of Things (IIoT) emerging across markets, it is clear that we are heading toward a common goal of complete connectivity across a network – from Sensor-2-Server (S2S). The ability to collect data from any point in the network and transport it where it needs to go creates an opportunity for operational efficiencies driven by advanced data collection and analytics capabilities. Now, with the use of third party applications, it becomes easier to tie components together at the edge of the network and create actionable intelligence. ZumLink solutions are the industry’s first intelligent, programmable 900 MHz wireless network with the ability to connect third party applications. Think of ZumLink as the “smartphone” for industrial networks, allowing you to connect apps designed to meet demanding needs for collecting, protecting, transporting and controlling data from network end points all the way back to the server. Here are the specifics on what makes ZumLink unique: High Speed, Low Power, Long Range – 4Mbps Data Link Rate, 1 Watt output and 100-mile coverage area Programmability – Supports Python and Java, third party applications –just like a smartphone Maximum Flexibility – Standard and user defined hop sets, sense before transmit, frequency hopping and single channel option and user channel masking Until Friday, you have a chance to win a network of ZumLink radios that will help you get a jump start on your future industrial communication technology solutions. Simply provide FreeWave with your use case example and why you should win. All entries must be received by August 19th. FreeWave will announce the winner on August 31st, selected based on submission (U.S. and Canada only). The winning network must be deployed by October 31st. In return for the free radio network, the winning candidate will be able to gain additional promotion of their installation and network implementation! Submit here for your chance to win: http://bit.ly/2awdmkC
