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daleste
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drones
daleste   4/15/2014 8:30:39 PM
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Facebook and Google getting into the drone market.  Not surprising.  Does Amazon already own a drone company, or do they just plan to buy from the market?

DrQuine
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Practical uses of drones for Internet Access
DrQuine   5/23/2014 1:56:29 PM
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How high can a drone ("atmospheric satellite") fly without interfering with aviation or regulatory issues? At that altitude, how wide a geographical area would receive WiFi coverage? It sounds like this technology would be best for adding coverage to a specific remote location but not for adding coverage to a continuous large area. I see the drone can prove routing and connecting capabilities between devices within a remote area but how does the drone connect to the world wide internet?



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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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