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AMD has announced the acquisition of Nitero, a company that made a "phased-array beamforming millimeter wave" wireless chip for VR/AR headsets:
Nitero has designed a phased-array beamforming millimeter wave chip to address the challenges facing wireless VR and AR. Using high-performance 60 GHz wireless, this technology has the potential to enable multi-gigabit transmit performance with low latency in room-scale VR environments. The beamforming characteristics solve the requirement for line-of-sight associated with traditional high-frequency mm-wave systems, potentially eliminating wired VR headsets and enabling users to become more easily immersed in virtual and augmented worlds.
I'll say no thanks to a headset with cables connected to it. Those are for the early adopters.
(Score: 2) by kaszz on Tuesday April 11 2017, @03:48PM (1 child)
Cooked brain, salt anyone? ;-)
(Score: 4, Informative) by ikanreed on Tuesday April 11 2017, @04:08PM
I have good news for you. Before any sort of brain damage results from brain overheating, you'll suffer traumatic headaches that will alert you to take the thing off.
Also: microwaves, radio waves, and infrared absolutely suffuse our world already. A dash more millimeter wave(i.e. the same UHF that made your TV go before netflix) isn't too likely to kill you.
It's only marginally higher energy than the 2.4 GhZ that your wireless router and mouse use.
So unless this tech is using the kinds of power levels are radio tower dumps out, I doubt you're going to burn.
(Score: 2) by butthurt on Tuesday April 11 2017, @04:04PM (1 child)
Oxygen attenuates 60 GHz signals, a property that is unique to the 60 GHz spectrum.
-- http://www.bridgewave.com/products/tech_overview.cfm [bridgewave.com]
(Score: 0) by Anonymous Coward on Tuesday April 11 2017, @04:19PM
Make the VR game be some sort of Mars thing. Run the game in a room with cold nitrogen and carbon dioxide. Players wear rebreathers to survive. High-end systems can even be low pressure, with players wearing pressure suits.
Other options: Moon (just vacuum), World War I (nitrogen and chlorine), and bad coal mines (methane, hydrogen sulphide, hydrogen).
(Score: 2) by jmorris on Tuesday April 11 2017, @04:05PM
Ok, this solves the wire problem, but without the wire you need batteries. Lots of batteries. Why do you think Google pulled the plug on Glass?
Longer term nobody is going to want to wear a pound of VR helmet. Even if it is just a passive receiver and display + sensors the power drain is going to be non-trivial. We really need something better than lithium batteries.
(Score: 1, Insightful) by Anonymous Coward on Tuesday April 11 2017, @04:11PM (8 children)
Just put the computer on the person. Then the cable only has to run down your back, to a fanny pack or backpack or similar. You could even put it into a gun or shield.
Optical is another choice, but really, just wear the computer.
(Score: 2) by takyon on Tuesday April 11 2017, @07:13PM (5 children)
The computer adds to the weight and power consumption, although your backpack idea is a reality [soylentnews.org].
60 GHz is not so crazy [lightreading.com]. It is the high frequency band used in 802.11ad [wikipedia.org] (aka "WiGig"). It makes complete sense that your desktop would be in the same room as your VR headset.
If you use the wireless/optical solution instead of the wearable computer, then you can put as much power as you want at the computer/workstation end. Multiple big GPUs, enthusiast CPUs, R7s, Xeons, whatever. The wearable computer would need to be limited to a low TDP and performance to extend battery life.
[SIG] 10/28/2017: Soylent Upgrade v14 [soylentnews.org]
(Score: 1) by butthurt on Tuesday April 11 2017, @07:26PM (2 children)
Combine it with this [soylentnews.org]? The turbines could provide air flow and could run a generator set to provide power.
(Score: 2) by takyon on Tuesday April 11 2017, @07:54PM (1 child)
"How can we make jet packs more
unsafeexciting for our customers?""Trick them into thinking they're in a fantasy world!"
"Brilliant! *sips whisky*"
---
Oh wait, you're talking about a power generation scheme. Sounds loud as fuck, 0/10 immersion broken.
[SIG] 10/28/2017: Soylent Upgrade v14 [soylentnews.org]
(Score: 2) by LoRdTAW on Tuesday April 11 2017, @08:34PM
Augmented superman!
(Score: 0) by Anonymous Coward on Tuesday April 11 2017, @09:17PM (1 child)
You're still going to need serious batteries.
Receiving at a high rate will cost you power. Decompressing will cost you too.
Then there is the stuff you have in any case: light, pixels, etc. (shrinking the portion used by any computer)
(Score: 2) by takyon on Tuesday April 11 2017, @11:23PM
https://www2.eecs.berkeley.edu/Pubs/TechRpts/2014/EECS-2014-191.html [berkeley.edu]
(note that the summary also mentions using a phased-array system for 60 GHz)
[SIG] 10/28/2017: Soylent Upgrade v14 [soylentnews.org]
(Score: 2) by Rivenaleem on Wednesday April 12 2017, @08:18AM (1 child)
Ghostbusters VR!
(Score: 2) by takyon on Wednesday April 12 2017, @11:26AM
Who ya gonna call? Facebook.
[SIG] 10/28/2017: Soylent Upgrade v14 [soylentnews.org]