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Elecia
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Re: agreed
Elecia   9/26/2013 11:16:53 AM
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Logical Elegance is a small consulting company specializing in embedded system design and software. Under those auspices, I work for a few different client companies, designing new systems, bringing up boards, writing code, and generally doing what needs to be done to ship neat gadgets.

docdivakar
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Re: agreed
docdivakar   9/26/2013 10:58:08 AM
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@Caleb: IoT has been here for a few years now, it is just that recent development activities have been more mobile-centric. Building automation (BACNet, LANNet, etc.) and process automation (OLE for process control -OPC) have been connecting "things" for many years and working as a developer in these is more clear than what the author alludes to in mobile-centric applications.

MP Divakar

rick merritt
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Re: agreed
rick merritt   9/26/2013 10:44:54 AM
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BTW, Elecia: What does Logical Elegance do and what do you do there?

rick merritt
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Re: agreed
rick merritt   9/26/2013 10:41:33 AM
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It's an embarassment of riches, I think. Too many wireless PHYs, protocols, software stacks.

Now we are getting to many aporoaches to unifying it: Oracle pitches Java, Qualcomm pitches AllJoyn, the 6LoWPAN folks have high level glue of their own. Even little starup WigWag has its DeviceJS. Whew!

Max The Magnificent
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Maybe tomorrow...
Max The Magnificent   9/26/2013 10:28:53 AM
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I hear what you are saying from a developers point of view, but I also think about things from a user's perspective.

It's not so long ago that achieving any sort of connectiving (like linking two PCs together via a cable (using plug-in ISA boards) brought one to one's knees ... I was in an airport yesterday and connected my iPad to a free WiFi network to send an email to my mom and thought "wow, how things have changed!"

But as you say, from an embedded designer / developer's point of view, there's a bunch of stuff to wrap one's brain around ... I'm glad it's not me doing it :-)

kfield
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Re: agreed
kfield   9/26/2013 10:24:19 AM
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It's not the data from my refrigerator I am concerned about, it's all the medical and financial information that scares me!

Caleb Kraft
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agreed
Caleb Kraft   9/26/2013 10:04:56 AM
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I see what you're saying. Obviously the IoT isn't here yet. People are getting excited about the prospects, but pretty much anyone who understands the underlying idea will agree. 

I think that maybe more important than the tech that connects will be the software systems that analyse data and pull intereting information from it. We KNOW that you amazing engineers will come up with a plethora of ways to transfer some bits. however, we don't know whether the refrigerator manufacturer will open the data in a way that the phone provider can use that data well. 

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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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