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tb1
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re: Bluetooth, and how it almost didn’t happen
tb1   8/22/2012 7:40:49 PM
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Bluetooth is not almost dead. My sister works in sales, and her job depends on having a Bluetooth receiver in her ear at all times so she can multitask talking to clients with getting data from a computer (or, unfortunately, driving). I'm guessing that's true for most in sales, marketing, or any job that relies on constant contact with people. 'Almost dead' implies it is going away. I think you'd have a riot from these people if they even had an inkling that such a thing was going to happen. She also uses Bluetooth to wirelessly (and seamlessly) connect an iPad to a powered stereo speaker. Later revs of Bluetooth, which new phones are starting to implement, allow faster data connections.

elektryk321
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re: Bluetooth, and how it almost didn’t happen
elektryk321   8/16/2012 9:37:23 AM
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Bluetooth is almost dead technology, look at the new smartphones, they lack of many Bluetooth features like IP over bluetooth, file transfer or simple serial port. 5 years ago, almost all smartphones and palptops had support for plenty of bluetooth protocols, now only headphone is supported. Do you remember IRDA protocol/interface? Bluetooth sooner or later will divide its fate, at least in consumer market.

Python0
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re: Bluetooth, and how it almost didn’t happen
Python0   8/15/2012 6:27:59 AM
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How do you forcast the future of Bluetooth Low Energy ? This technology is very nice for low power portable devices connected to mobile phones but Apple is rather slow to enable all the APIs and Samsung/Android Galaxy S III suffers from some bugs. It seems that they have not tested the system before to launch it on the market.

Bert22306
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re: Bluetooth, and how it almost didn’t happen
Bert22306   8/15/2012 12:00:43 AM
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True. The WWW succeded in making (initially) PCs desirable for the common joe, and PC sales took off after 1994, as a result. My point is that for innovations to continue to happen, the RANZ model has to generate some kind of reward. Zero royalties is great, but the scheme still has to be self sustaining. That's how the IETF and to a lesser extent the IEEE work as well. The companies involved invest their talent in the efforts of these organizations, but they will only do so with some payoff in sight. Just getting a lot of devices to use a new standard won't matter a hill of beans, if there isn't any upside to those who invested in creating it. You don't get something for nothing.

HDuncan
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re: Bluetooth, and how it almost didn’t happen
HDuncan   8/14/2012 11:21:23 PM
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By that definition the World Wide Web has not been a success, since Tim Berners-Lee received no direct remuneration from it! There's much more to success than just money... The success of Bluetooth is that it's become a universal standard, despite (or maybe because of) the fact that no-one owns it.

old account Frank Eory
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re: Bluetooth, and how it almost didn’t happen
old account Frank Eory   8/14/2012 10:15:53 PM
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That's a great story about how the name was chosen! It is a wonder that anyone can come up with a clever new name for a standard, a company or a brand anymore. Lawyers need to do trademark searches, and a proposed name needs to be translated into dozens of different languages to catch unintended meanings or connotations. But for certain purposes, an uninspired name-choosing methodology can also work. Intel's project code names are geographic locations -- presumably because those won't be trademarked. And in the IT world, computer host names are now usually just semi-meaningless alphanumeric sequences, while in the good old days our Unix computers were named after the Greek gods, great beers of the world, rock bands, and a plethora of other interesting themes.

Bert22306
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re: Bluetooth, and how it almost didn’t happen
Bert22306   8/14/2012 8:06:27 PM
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A bit of a strange way of gauging "success," I guess, since the developers get no direct compensation for their design efforts. The RANDZ model bets on revenues achieved from the increased sale of products that make use of Bluetooth, such as cell phones and automobile audio systems. So I would think that "success" of Bluetooth should be measured on the basis of increased volume and/or increased revenues from those other industries, which have adopted Bluetooth.



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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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