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re: TransferJet to demo speedy wireless at MWC
RGARVIN640   5/9/2013 8:17:46 PM
In battery powered applications, that require security, the TransferJet is a much more valid choice to transfer large amounts of data. As long as the two device can be situated within an inch of each other.

Peter Clarke
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re: TransferJet to demo speedy wireless at MWC
Peter Clarke   2/19/2013 9:44:41 AM
My mistake. Thanks for pointing it out. I have corrected it in copy.

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re: TransferJet to demo speedy wireless at MWC
anon3860072   2/19/2013 5:51:09 AM
TransferJet is another perfect of how ignorant the Japanese are. The Japanese OEMs are wasting their already thinning finance and resources to build a standards which does not really benefit the real-world applications! As Bert and many engineers have pointed out now and before, existing technologies like 802.11 offer extension which can cover the purpose. However, for the sake of being different and to leverage at what they are still strong at (i.e. DSLR, DSC, multi-function printer, etc.), the Japanese OEMs are ganging together to tempt the non-Japanese OEMs. I hope none of the Taiwanese/American/European are stupid enough to follow. Let the Japanese OEMs waste their money, if they so choose. The rest should just stand by and watch the Japanese OEMs deplete their hard-earned money in the bank!

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re: TransferJet to demo speedy wireless at MWC
Bert22306   2/18/2013 10:11:18 PM
Yeah, definitely not 4.48 MHz. This broadband NFC is a useful concept these days. And it should be considerably easier to achieve than an equivalent channel capacity over, say, WiFi. For one thing, NFC devices don't have to share the frequency channel with multiple client devices at the same time! Interesting graphic. In truth, though, WiFi includes the distances shown for PAN. I'm quite sure that my WiFi printer is not more than 1 meter away from my WiFi access point!

Zhemin Xu
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re: TransferJet to demo speedy wireless at MWC
Zhemin Xu   2/18/2013 7:30:29 PM
"... using a radio carrier center frequency of typically 4.48-MHz." 4.48GHz!

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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