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What is Wireless USB ?
The USB interface has been used as an I/O interface in a wide range of electrical appliances including personal computers, computer peripherals, as well as digital cameras (DSC) and gaming equipment, on the merits that it allows devices to be removed or plugged without powering off the system (hot swap) and it eliminates the need for ID settings, which are required for SCSI connections, etc.
Moreover, through the shift to wireless technology, which eliminates physical communication connection lines, users who use compatible devices benefit from greater usage freedom and various other merits. The shift to wireless communication has the potential of offering new convenience, expand existing markets, and contribute to the creation of new markets.
This time, a new interface standard, Wireless USB, that expands connectivity via the USB interface by using the latest wireless technology, has been established. In the same way that, in the case of wireless technology for personal computers and digital home appliances, LAN, which until now used to be wired, is now spreading as IEEE 802.11a/b/g wireless LAN, the USB interface too will become increasingly wireless, which is likely to contribute to the revitalization of the personal computer and digital home appliance markets.
New usages modes made possible by shift to Wireless USB.
Relationship between Wireless USB and IEEE 802.11a/b/g wireless LAN
For IEEE 802.11.a/b/g wireless LAN as well as the high-speed type IEEE802.11.a/g, 54 Mbps is the maximum theoretical communication speed. However, still higher speed communication methods are required for data transfer such as high-quality video streaming and HDD/optical drive data transfer, for which needs are predicted to keep on rising. Wireless USB, just like the USB 2.0 standard, allows data transfer of up to 480 Mbps, and thus has the merit of allowing the wireless implementation of external HDD, CD, and DVD drives, scanners, and other peripherals. Wireless USB will make possible next-generation notebook PCs, which will eliminate inasmuch as possible I/O connectors in order to allow compact design, as well as digital AV equipment that can wirelessly transmits high-definition video. Wireless USB being a wireless technology designed for high transfer speed within a communication range of 10 meters, is likely to coexist with wireless LAN, which allows a communication range of approximately 100 meters.
