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New Wi-Fi Spec to Permit Direct Device-to-Device Linking

Article Comments  9  

Oct 14, 2009, 7:36 AM   by Eric M. Zeman   @zeman_e

Today the Wi-Fi Alliance announced a new specification for Wi-Fi technology, called Wi-Fi Direct. Once implemented, Wi-Fi Direct will let devices such as mobile phones, cameras, printers, laptops, keyboards and headphones to connect with one another directly — without the need for a nearby Wi-Fi hotspot. The spec will allow for one-to-one connections, as well as mesh-style group connections. According to the Wi-Fi Alliance, the specification will include WPA2 security features for businesses, though the spec will be targeted at both consumer and business devices. Any device labeled with the "Wi-Fi Certified Wi-Fi Direct" icon will be compatible. The specification will be limited to the current capabilities of Wi-Fi with respect to distance (100 meters) and data transfer speeds. Existing devices should be able to upgrade to Wi-Fi Direct with a software update. The Wi-Fi Alliance expects to begin certifying devices with Wi-Fi Direct by the middle of 2010.




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Oct 14, 2009, 8:41 AM

Easier Ad-hoc?

I believe the ability for Wi-Fi devices to connect directly to each other has been there since the beginning: this is called ad-hoc mode. (Most of us use the infrastructure mode, when the devices talk only to the access point, which acts like a wireless switch.) It sounds like this spec is all about making the process of setting up an ad-hoc network between any two devices easier and more transparent to the user, which is why it's just a software upgrade. It's kind of like WPS, which is a software feature that makes it easier to add devices to a WPA-enabled infrastructure mode network.
I am a bit confused but more interested. Ad-Hoc mode? You mean like the set up on a PsP right? Thats what I got out of your post. If so, it makes plenty of sense. You lost me on the WPA- and WPS part. Can you break it down for me please?

I am not ...

Oct 15, 2009, 6:00 PM

Almost like a NDS

So it means that we can link with Wi-Fi with another Wi-Fi device like the NDS?

Oct 14, 2009, 9:35 AM

combination FTW!

Add wi-fi to Bluetooth internet and you could tether a computer anywhere without wires. I like this possibility.
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