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Isn't it a pain that WiFi drains so much battery power? If it wasn't for my WiFi usage, I am sure the charge on my Axim X30 battery would be twice as long. Well, apparently, there is some good news on the way. ExtremeTech has some info about a new Antenna Technology that is being developed that allows small devices to "lock on" to a signal - thus not wasting power looking for signals in all directions. "Although the company is eyeing mobile cellular devices, the initial use of the technology will be used in wireless LANs. Once the antenna "learns" the source of the signal, it spends all of its power broadcasting the signal directly toward the target. InterDigital is pitching the idea to OEMs, executives at the company said this week.
InterDigital has spent several years refining the technology, said Tom Gorsuch, director of product management for the company. "The technology is at a mature stage," he said. "We've spent quite a few years in development. Basically, the technology is ready today.
Most laptops and other devices use a silicon antenna module mounted to one or more conductive strips. The InterDigital technology uses the antenna array to sense the direction of a signal, and then "concentrates" on that signal source. Since a WLAN environment typically contains either a fixed access point, receiver, or both, the signal strength can be maximized. The InterDigital technology improves the signal-to-noise ratio by between 5 to 6 dB, producing a 50-percent increase in range, Gorsuch said."
Now something like that is what we need now! Not only for energy savings, but for security. What if this "concentrated signal" could be encrypted per connection? Or limited, once that stream connects, others on the same channel are impossible? What do you think?
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