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Re: Low power wearables
p_g   8/21/2013 7:23:08 AM
One possible combo could be replacing phone and tablets with watch where watch act as central hub for all data communication, and use dumb screen which connects wirelessly through watch and attend phone through BT wireless headphone. So assume you are wearning nice looking smart watch with bluetooth headphone in pocket and use it to attend call when needed (lile a tiny phone in pocket) and a chrome book type device on your desk which will use net to connect you to your login session where ever you go...


Well its wild imagination ... but my point is you never know what utility can click. I never expected iPod to be such a hit and especially when iPhone and iPad came which were nothing but bigger screen of iPod with modem.. who expected people will keep consuming them. And moreover tablet is not the new idead of apple, they just made is more usable and desirable.


Some idea may make smartwatch also desireable.

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old idea which needs to be revisited
EE,etc.   8/20/2013 1:14:44 PM
Very interesting topic! And well though comments.

I agree that the idea of small wearable device is an old one and has failed before, also agree that due to its small size, it's not a replacement for Smartphone, but the idea is still an attractive one, we just need the right application and use case for it. Let's consider a smart watch for example:

- It will be hard to combine beauty and practical features at least in the beginning, so the new smart watch won't be a jewelry watch!

- The access to watch as long as few keys are needed; is more convenient than phone, in my opinion, it will serve a mobile phone function very well but not suitable for writing/viewing directly on the watch,

- Maybe a Bluetooth piece in your pocket\bag can be used for viewing\texting. And that can be much smaller\thinner than today's smart phones, and if you lose it you have not lost your phone with all your personal data which is in your watch! They can be simple\cheap touch screens that only interact with the watch so no data is actually saved on them

- Less prone to damages as a result of accident, falling, robbery, leaving behind, because you are wearing it right?

And the opportunities are endless, just needs a new visionary to bring it to the market.

rick merritt
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Re: Watches
rick merritt   8/20/2013 10:30:28 AM
Good points, Janine. As Microsoft and LG found out there's not much you can do with those expensive cell-watches because they are so small.

FitBit etc. are interesting but seem kinda niche.

It will take some real fresh thinking to create compelling wearables, even though folks have been looking into this for 10+ years.

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JanineLove   8/20/2013 10:14:14 AM
Back when "wireless" was first mentioned (and rf/microwave was striclty the purview of the military, radio manufacturers, and microwave oven makers), I remember seeing a magazine cover (was it Microwaves&RF?) evoking the Dick Tracey watch. Well... we still don't have them as a common timepiece. Perhaps one of the issues is aesthetic. Let's face it, I don't need a watch to tell time anymore (I can just look at my iPhone). I wear it as jewelry. So it cannot be ugly...Which leads me to ask, why do I need my watch to access the internet? It's not like I'm going to browse on it. I find browsing on my phone irritating enough!

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Low power wearables
JanineLove   8/20/2013 10:10:37 AM
There has been a lot of work on wearables in low power wireless market, from ANT, Bluetooth ULP and other proprietary technologies. The first major markets seem to be excercise/health and medical devices. Not sure how the tablet/phone makers plan to play in the wearable space.

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For physically challenged
prabhakar_deosthali   8/20/2013 9:47:28 AM
Wearable devices have the real use for the people who are physically challenged.

for example a wearable device for a blind should work almost like its eyes and may continuously tell him in his/her ear about the surrounding.

Or a person engrossed in talking over mobile can get an alert from a wearable dwevice about some obstacle or on coming vehicle while crossing the road.

Wearable device should not be just for fancy because that will not be a long lasting market.

Both Apple and Samsung need to have a hard look on what they are going offer in wearable devices  to have some good impact on the society


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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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