Still, there is no physical bus to power the peripherals any more, and the absence of wires means that some properties that are usually taken for granted in USB systems need to be achieved by other means.The goal of the specification is to preserve the functional model of USB, based on intelligent hosts and behaviorally simple devices, while allowing it to operate in a wireless environment and keeping security on a par with the levels offered by traditional wired systems. The definition of Ultra-WideBand (UWB) matches the capabilities and transfer rates of USB very closely (from 1.5 and 12 Mbit/s up to 480 Mbit/s for USB 2.0) and makes for a natural wireless extension of USB in the short range (3 meters, up to 10 at a reduced rate of 110 Mbit/s). 60 GHz10 Comparison of digital RF systems11 Security12 Competitors12.1 Media Agnostic USB13 See also14 References15 External linksOverviewThe rationale for this specification is the overwhelming success of USB as a base for peripherals everywhere: cited reasons include extreme ease of use and low cost, which allow the existence of a ubiquitous bidirectional, fast port architecture.
It was designed to operate in the 3.1 to 10.6 GHz frequency range, although local regulatory policies may restrict the legal operating range in some countries.Contents1 Overview2 Uses3 Development4 Protocol architecture4.1 Changes to USB5 Data transport architecture6 Compatibility options for older hardware7 Connectivity8 Relation to ultra-wideband9 Wireless USB vs. Wireless USB is sometimes abbreviated as 'WUSB', although the USB Implementers Forum discouraged this practice and instead prefers to call the technology Certified Wireless USB to distinguish it from the competing UWB standard.Wireless USB was based on the (now defunct) WiMedia Alliance's Ultra-WideBand (UWB) common radio platform, which is capable of sending 480 Mbit/s at distances up to 3 metres (9.8 ft) and 110 Mbit/s at up to 10 metres (33 ft). It is maintained by the WiMedia Alliance and (as of 2009) the current revision is 1.0, which was approved in 2005. In large, IPv6 was a key of this technology.
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From Wikipedia, the free encyclopedia Jump to navigation Jump to search The Certified Wireless USB logoWireless USB is a short-range, high-bandwidth wireless radio communication protocol created by the Wireless USB Promoter Group which intends to further increase the availability of general USB-based technologies.
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