Wireless USB is a short-range, high-bandwidth wireless radio advice agreement created by the Wireless USB Promoter Group. Wireless USB is sometimes abbreviated as "WUSB", although the USB Implementers Forum discourages this convenance and instead prefers to alarm the technology "Certified Wireless USB" to analyze it from the aggressive UWB standard. Wireless USB is based on the WiMedia Alliance's Ultra-WideBand (UWB) accepted radio platform, which is able of sending 480 Mbit/s at distances up to 3 meters and 110 Mbit/s at up to 10 meters. It was advised to accomplish in the 3.1 to 10.6 GHz abundance range, although bounded authoritative behavior may bind the acknowledged operating ambit for any accustomed country.
Thursday, 8 December 2011
Wireless USB vs. 60 GHz
Few issues differentiate Wireless USB from the use of the 60 GHz bandage as answer by the Wireless Gigabit Alliance:
Band of Sight: at 60 GHz, radio advice is blocked by any amid object, which implies the charge for accessible band of sight. Wireless USB is based on the Ultra-WideBand (UWB) platform, which operates in the 3.1 to 10.6 GHz abundance range, and appropriately can canyon through amid bodies.
Mobility: the 60 GHz technology is ambrosial to the wireless video bazaar because it is declared to bear multi-gigabit-speed wireless communications.1 In adjustment to abutment such abundant demands, the basal MAC band should be able to action this huge bulk of data. For these requirements, the 60 GHz-based solutions will charge college ability consumption, and bigger chips, which are beneath acceptable for adaptable units or devices.
Band of Sight: at 60 GHz, radio advice is blocked by any amid object, which implies the charge for accessible band of sight. Wireless USB is based on the Ultra-WideBand (UWB) platform, which operates in the 3.1 to 10.6 GHz abundance range, and appropriately can canyon through amid bodies.
Mobility: the 60 GHz technology is ambrosial to the wireless video bazaar because it is declared to bear multi-gigabit-speed wireless communications.1 In adjustment to abutment such abundant demands, the basal MAC band should be able to action this huge bulk of data. For these requirements, the 60 GHz-based solutions will charge college ability consumption, and bigger chips, which are beneath acceptable for adaptable units or devices.
Compatibility options for older hardware
The WUSB architectonics allows up to 127 accessories to affix anon to a host. Because there are no affairs or ports, there is no best a charge for hubs.
However, to facilitate clearing from active to wireless, WUSB alien a fresh Accessory Wire Adapter (DWA) class. Sometimes referred to as a "WUSB hub", a DWA allows absolute USB 2.0 accessories to be acclimated wirelessly with a WUSB host.
WUSB host adequacy can be added to absolute PCs through the use of a Host Wire Adapter (HWA). The HWA is a USB 2.0 accessory that attaches evidently to a desktop or laptop's USB anchorage or internally to a laptop's MiniCard interface.
WUSB additionally supports dual-role accessories (DRDs), which in accession to actuality a WUSB device, can action as a host with bound capabilities. For example, a agenda camera could act as a accessory back affiliated to a computer and as a host back appointment pictures anon to a printer.
However, to facilitate clearing from active to wireless, WUSB alien a fresh Accessory Wire Adapter (DWA) class. Sometimes referred to as a "WUSB hub", a DWA allows absolute USB 2.0 accessories to be acclimated wirelessly with a WUSB host.
WUSB host adequacy can be added to absolute PCs through the use of a Host Wire Adapter (HWA). The HWA is a USB 2.0 accessory that attaches evidently to a desktop or laptop's USB anchorage or internally to a laptop's MiniCard interface.
WUSB additionally supports dual-role accessories (DRDs), which in accession to actuality a WUSB device, can action as a host with bound capabilities. For example, a agenda camera could act as a accessory back affiliated to a computer and as a host back appointment pictures anon to a printer.
Relation to ultra-wideband (UWB)
A accepted antecedent of abashing is about the accord amid WUSB, WiMedia, and UWB. The UWB and WUSB technologies are not the same, and the agreement WUSB and UWB are not synonymous.
UWB is a accepted appellation for a fresh blazon of radio advice application pulses of activity which advance emitted Radio Abundance activity over 500 MHz+ of spectrum or beyond 20% apportioned bandwidth aural the abundance ambit of 3.1 GHz to 10.6 GHz as authentic by the FCC cardinal issued for UWB in Feb. 2002. UWB is not specific to WiMedia or any added aggregation or accumulation and there are in actuality a cardinal of groups and companies developing UWB technology absolutely different to WiMedia. Some companieswhich? use UWB for arena biting radar, through bank alarm and yet addition aggregation Pulse-LINK uses it as allotment of a accomplished home ball arrangement application UWB for manual over both active and wireless media. WUSB is a agreement promulgated by the USB-IF that uses WiMedia's UWB radio platform. Added protocols that accept appear their ambition to use WiMedia's UWB radio belvedere accommodate Bluetooth and the WiMedia Logical Link Control Protocol.
UWB is a accepted appellation for a fresh blazon of radio advice application pulses of activity which advance emitted Radio Abundance activity over 500 MHz+ of spectrum or beyond 20% apportioned bandwidth aural the abundance ambit of 3.1 GHz to 10.6 GHz as authentic by the FCC cardinal issued for UWB in Feb. 2002. UWB is not specific to WiMedia or any added aggregation or accumulation and there are in actuality a cardinal of groups and companies developing UWB technology absolutely different to WiMedia. Some companieswhich? use UWB for arena biting radar, through bank alarm and yet addition aggregation Pulse-LINK uses it as allotment of a accomplished home ball arrangement application UWB for manual over both active and wireless media. WUSB is a agreement promulgated by the USB-IF that uses WiMedia's UWB radio platform. Added protocols that accept appear their ambition to use WiMedia's UWB radio belvedere accommodate Bluetooth and the WiMedia Logical Link Control Protocol.
Competitors
Other forms of USB over wireless exist, such as those based on the aggressive absolute arrangement UWB technology by Cable-Free USB.10 The aforementioned is additionally accurate for added radio abundance based wire backup systems which can backpack USB. The aftereffect is that the name Certified Wireless USB was adopted to acquiesce consumers to analyze which articles would be adherent to the accepted and would abutment the actual agreement and abstracts rates.
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