Gigabit-Per-Second Wireless Network Uses Infrared Light.
Technology Review (2/11, Jonietz) reports that researchers at Penn State have developed "a wireless network that uses reflected infrared light instead of radio waves." The system "has transmitted data through the air at a speed of one gigabit per second--six to 14 times faster than the fastest Wi-Fi network." Valencia M. Joyner, an assistant engineering professor at Tufts University, "notes that the transmission distances that [the researchers] achieved, and their use of diffuse light rather than a point-to-point optical system, are especially important." Joyner explained, "The fact that he was able to demonstrate a one-gigabit-per-second system with diffuse light is extremely significant. That drastically reduces the complexity of the transceiver system."
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