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y_sasaki
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re: Atheros: 5, not 60 GHz is real future of Wi-Fi
y_sasaki   8/4/2011 12:15:22 AM
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I think the author tried to say "7GHz" as available unlicensed bandwidth in 60GHz.

DickH1
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re: Atheros: 5, not 60 GHz is real future of Wi-Fi
DickH1   8/3/2011 10:32:37 PM
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60 GHz? going back a bit (25 years) when we were looking into building a mm-wave radar. I seem to remember there's a strong absorption band there due to oxygen, if it's not already raining! Hope they don't intend to go through more than a few feet of air at 40-60 dB/m...

rick merritt
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re: Atheros: 5, not 60 GHz is real future of Wi-Fi
rick merritt   8/3/2011 3:59:22 PM
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@ t.alex: McFarland said the .11ac 5 GHz spec offering 1 Gbit/s will support nexisting Wi-Fi ranges. @ Great-Terry: I expect Msoft and its partners have their hands full right now, and I want to tell more of this story as soon as I can.

t.alex
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re: Atheros: 5, not 60 GHz is real future of Wi-Fi
t.alex   8/3/2011 1:59:33 PM
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Will the distance/range be reduced?

GREATTerry
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re: Atheros: 5, not 60 GHz is real future of Wi-Fi
GREATTerry   8/3/2011 8:12:41 AM
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It is interesting to see WiFi running at such high frequency - 60GHz! I think it is only good for steaming video signal from your TV to speaker, but you just can't walk out the room as the signal will be totally dead! BTW, will there be any trouble for Microsoft to support 4 different processors with its Window 8?

old account Frank Eory
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re: Atheros: 5, not 60 GHz is real future of Wi-Fi
old account Frank Eory   8/3/2011 5:57:27 AM
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60 GHz carrier, 7 Gbps? That is seriously off the hook. Will the chip cost 3 bucks, so the router retails for $50 or $60? Probably not anytime soon...but still, this is very cool stuff.

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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