Mesh Networks / New Antenna Technologies | WLPC Wireless LAN Weekly EP 25
This week’s content comes from an interview with Matt Holdrege, a wireless technologist who has helped many companies roll out new technologies. We get to hear Matt discuss Mesh Networking, as well as a description of a new intriguing Antenna Technology.
I am American and have always worked for American companies, but I am based in France and travel all over the world representing American technology. I also have done a lot of work in standardization, writing RFC’s in the IETF, chairing groups in the IETF, ITU-T, ETSI and other fora. I have done a lot of work in VoIP, especially in lawful intercept (wiretapping) for the FBI and other organizations. And I have been nominated as a Senior Member of the IEEE.
Access Points
First Generation – Autonomous Second Generation – Controller-Based Third Generation – Wireless Mesh
First Mesh – Single Radio, to ‘share’ for local access and backhaul Second Mesh – Dual Radios, one for local access and one for backhaul Third Mesh – Multiple Radios, multiple access frequencies, multiple redundant backhaul
RF is more of a ‘black art’ – mixing very high technology and a bit of ‘art’ to accomplish something that is essentially invisible.
New Antenna Technology coming from the Wireless ISP arena.
Wireless is best effort communication. Smart phones, hand-held gaming devices, and Netbooks don’t transmit with strictly vertical or horizontal polarity. Like cellular antenna systems, the FSRD’s multiple dipole antenna arrays are oriented off-axis in order to catch more signal, at any polarity at any time.
Data throughput is most important. Just catching more signal is only part of the equation when it comes to wireless data communications. The FSRD’s high-speed internal signal paths ensure that RF signal gets to the radio as fast as possible.
Too much signal is too much of a good thing. Physics prevent radios from processing unlimited amounts of data. The FSRD’s patent-pending Frequency Splitting Receptacle (FSR) ensures that only one frequency is sent to the radio at a time. As a result, the radio can actually use most of the signal that the FSRD sends to it.
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