Wednesday, February 12, 2003
Challenges to Ultrawideband
Posted by Janak Parekh in "ARTICLE" @ 09:47 PM
UWB, considered by some to be a medium- to long-term successor to Bluetooth, is being assailed precisely because of its wide bandwidth spectrum usage.
"The satellite industry and its TV and cable customers say a short-range wireless standard called ultrawideband threatens to interfere with many of their broadcasts.
Ultrawideband, better known as UWB, is something the wireless industry has never dealt with before. Wireless devices almost always operate in a narrow band of spectrum. Interference from signals crossing paths is avoided by assigning each wireless broadcast a certain area of the airwaves.
But UWB operates across a wide range of these so-called frequencies all at once. The "flooding" of the airwaves creates a short but powerful signal--about 100 times faster than Bluetooth, another short-range wireless standard."
"The satellite industry and its TV and cable customers say a short-range wireless standard called ultrawideband threatens to interfere with many of their broadcasts.
Ultrawideband, better known as UWB, is something the wireless industry has never dealt with before. Wireless devices almost always operate in a narrow band of spectrum. Interference from signals crossing paths is avoided by assigning each wireless broadcast a certain area of the airwaves.
But UWB operates across a wide range of these so-called frequencies all at once. The "flooding" of the airwaves creates a short but powerful signal--about 100 times faster than Bluetooth, another short-range wireless standard."
