[EMAIL PROTECTED] wrote:
Wireless USB finally coming out of the labs
http://eetimes.com/news/latest/showArticle.jhtml?articleID=189600587&pgno=1
Interesting, but I thought one of the reasons to have cables was
power?
Yes. My idea is, Wireless USB is not a good choice for devices need be powered
by usb cables, like a usb stick or a usb hard disk. In the mean while, there are
also a lot of usb devices always need a dedicated power cable (like a printer,
scanner), and a lot of other usb devices always need a built in battery (like a
digital camera, PDA, cell phone, and some other hand held devices). And, if look
at the current wireless keyboard/mouse solution, there are always a built in
battery in them.
In short, for a small part of usb devices, usb cable is a good power source; and
for a lot of others, usb cables will be abandoned when WUSB becomes popular. My
idea about the future PC boxes is, USB2.0 ports and WUSB host controllers will
co-exist. WUSB devices and USB devices with cables will co-exist.
(Why is Wireless USB needed when you have bluetooth?
My current idea is, WUSB is expected to be cheap and it's easy to compliant or
co-exist with the current usb solution. Major hardware vendors are promoting
this technology actively, it is expected that new PC boxes will be shipped with
integrated WUSB host controller.
Will we have all the bluetooth implementation security issues all
over again?)
Need more investigation on this. There is a security section in WUSB spec.
Casper
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