DocScrutinizer05 changed the topic of #qi-hardware to: Copyleft hardware - http://qi-hardware.com | hardware hackers join here to discuss Ben NanoNote, atben / atusb 802.15.4 wireless, and other community driven hw projects | public logging at http://en.qi-hardware.com/irclogs and http://irclog.whitequark.org/qi-hardware
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<whitequark> huh, 802.11ad achieves up to 7Gbit/s transfer rate over 60GHz band
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<whitequark> I wonder if it penetrates concrete walls? 2.4 is already bad at it.
<whitequark> "yea, here is your seven gigabit connection... by the way, do you live in a studio?"
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<whitequark> "no? nevermind then"
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<lekernel> can we hack the transceivers to make nice synthetic aperture radars?
<whitequark> lekernel: I believe that by 2014, obtaining an SDR will be even easier than it is now
<lekernel> yeah - first non-sucky and funded kickstarter project I've seen
<whitequark> indeed. (well, I won't be so critical but yes, these guys know what they're doing.)
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<lindi-> whitequark: SDR that can record all that sounds tricky
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<whitequark> lindi-: all what?
<lindi-> whitequark: 7 Gbit/s
<whitequark> lindi-: right... but you don't need that for a radar?
<lindi-> whitequark: nope but for debugging wlan that would be nice
<whitequark> sure... I wonder what the wlan devs are using
<whitequark> something insanely expensive from a major test equipment vendor, I suppose
<larsc> whitequark: well easy, but a repeater in every room ;)
<whitequark> larsc: that kinda breaks the whole idea of "wireless"
<whitequark> people VERY dislike drilling holes in their walls, much less making channels.
<larsc> who cares what people like or not?
<larsc> ;)
<larsc> 'Also, oxygen molecules begin to absorb electromagnetic energy at this frequency;'
<lekernel> yeah, NVIDIA has 5Gbps/pin DRAM, 802.11ad have ADC/DACs that can be used to build a 7Gbps modem, countless SoC makers have embedded CPUs that run at 2+GHz, meanwhile we're stuck with slowtan6 FPGAs that choke running a CPU at 83MHz, have 1Gbps IOs that are a royal pain to use, and commercially available ADC/DACs are typically <= 1Gsps
<lekernel> this is kinda frustrating
<larsc> 'Both the WirelessHD and WiGig camps are working on beam-forming algorithms that would focus 60GHz transmissions to alleviate the range issue.'
<whitequark> ugh
<lindi-> btw, a few weeks ago I was googling and trying to an open source solution for receiving OOK signals with SDR. surprisingly I wasn't able to find anything that'd try to lock to the timing signal and decode the bits automatically
<whitequark> reliability hell
<larsc> oh and 'wall-mounted reflectors'
<lindi-> of course I can write that in a few lines of C but I was bit surprised that such a basic block would not exist
* whitequark is reading about X.25
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<whitequark> X.25 provides a set of user facilities defined and described in ITU-T Recommendation X.2.[34] The X.2 user facilities fall into five categories:
<whitequark> essential facilities;
<whitequark> additional facilities;
<whitequark> conditional facilities;
<whitequark> seems like a horrible case of 'design by committee'
<whitequark> mandatory facilities; and,
<whitequark> optional facilities.
<lekernel> who still uses x.25?
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<lekernel> larsc, this sounds fun. can you make a plasma gun with a high-energy 60Ghz source?
<whitequark> lekernel: for educational/historic purposes
<lekernel> s/energy/power
<qi-bot> lekernel meant: "larsc, this sounds fun. can you make a plasma gun with a high-power 60Ghz source?"
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<larsc> lekernel: we'll see ;)
<larsc> on the other hand can you make a microwave oven using a 2.4GHz router?
<lekernel> well, with 10000x 2.4GHz routers ;) for this sort of power at 60GHz you'd use a gyrotron
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