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rick merritt
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Honk if you use Buetooth
rick merritt   4/29/2014 3:21:48 PM
Security is a big issue, but frankly so is reliability with anything wireless. A little interference from Wi-Fi in the back seat or something and suddenly a car subsystem acts funny....hmmmm

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Re: Retro-fitting is always a hack
DougInRB   4/29/2014 12:32:54 PM
How far are they planning to take BLE?  I'm not real comfortable with the driver/hacker next to me on the freeway being able to tell my car to reboot.  Call me old fashion, but sometimes wires are worth the weight and extra cost.

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Re: Retro-fitting is always a hack
junko.yoshida   4/29/2014 11:01:48 AM
@tpfj, I wonder about that, too...

But in Bluetooth SIG's defense, BLE -- now getting desinged into such a variety of products -- needs to answer different requirements of end products.

Perhpas, BLE's security issue is a result of BLE's own success?

I am sure that BLE is now getting into palces the SIG hand't thought about before.

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Retro-fitting is always a hack
tpfj   4/29/2014 10:57:59 AM
I see it in standards all the time. Retro-fitting a feature that was not considered at inception always results in a hack which never quite works and invariably comes back to bite. Retro-fitting something as important as security is not something one should be doing. IMHO of course ...

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BLE security
junko.yoshida   4/29/2014 6:34:03 AM
I don't fault Bluetooth SIG for wanting to drive the new standard like Bluetooth Low Energy to be used as broadcly as possible thus not incorporating the device-level security from the day one.

But protecting security and privacy of devices and data coming out of the devices should be the heart and soul of what makes Bluetooth Smart truly "smart" ...No?

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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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