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Old April 11th, 2013, 01:49 AM   #1 (permalink)
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Default Interesting article on Hidden Innovation in the Galaxy S4

I saw this article over at SamMobile, I thought other folks might find it interesting.

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Old April 11th, 2013, 04:00 AM   #2 (permalink)
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Though the right-hand column are all standard smartphone features, so not exactly "innovation"
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Old April 11th, 2013, 04:08 AM   #3 (permalink)
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The two in yellow had already been revealed as well. They are well hidden though if not that innovative. I hope case designers keep these little gizmos in mind.
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Old April 11th, 2013, 05:13 AM   #4 (permalink)
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The two in yellow
??

I can only see one in yellow and that's the proximity sensor
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Old April 11th, 2013, 05:18 AM   #5 (permalink)
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Gesture Sensor. I'd call that a shade of yellow. I don't have a color chart with me this morning.
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Old April 11th, 2013, 05:22 AM   #6 (permalink)
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To my eyes it's green.

Mind you, my wife and I often disagree on what we call certain colours
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Old April 11th, 2013, 05:49 AM   #7 (permalink)
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I was talking about the boxes surrounding the descriptions not the little clouds.
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Old April 11th, 2013, 11:15 AM   #8 (permalink)
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The GESTURE SENSOR (along with proximity and finger hovering tech) will be a godsend for me and my needs, if it works well enough for me to fully operate the phone within all desired apps without having to touch it.



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The two in yellow had already been revealed as well. They are well hidden though if not that innovative. I hope case designers keep these little gizmos in mind.
Not quite sure what you mean by that remark, but everyone's entitled to their own "opinion".

My personal "opinion" is that the GESTURE/PROXIMITY SENSORs are some of the most innovative features to hit the cell phone industry since the "touchscreen".
.....imhOPINION
They literally make this phone an instant buy for me. The moment that I'm convinced that these features (gesture, proximity, smart view, finger hovering) will 100% do what I need them to, I'll "instantly" purchase it (cash paid in full).
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Old April 11th, 2013, 11:31 AM   #9 (permalink)
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A lot of these are already on the S3 no I'm not sure why this article is saying they are an S4 innovation.
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Old April 11th, 2013, 11:46 AM   #10 (permalink)
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In a word, marketing.
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Old April 11th, 2013, 11:55 AM   #11 (permalink)
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Quote:
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To my eyes it's green.

Mind you, my wife and I often disagree on what we call certain colours
It's definitely green, lol.
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Old April 11th, 2013, 12:27 PM   #12 (permalink)
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I've seen some on-hands reviews of the S4, where they demonstrated the the motion controls.....and they looked abit laggy.

Specifically, one of the guys demonstrating the phone waved his hand across the front of the phone to page flip....but required him to do it several times, at the right speed, for it to pick up.

Cool functionality, but I'm not sure how graceful the tech is.

Also, there has been some questions raised about the barometer & humidity. Considering many folks will keep the device in their pocket / purse...or strapped to their body during workouts....how accurate & valuable will that info be?

In addition, will the Hall sensor location be problematic for folks that accidently cover it with their hand, or with other non-S cover cases?
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Old April 11th, 2013, 12:48 PM   #13 (permalink)
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Barometric sensor will aid in GPS accuracy.

Cool.
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Old April 12th, 2013, 01:08 AM   #14 (permalink)
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Spank gesture recognition will probably take a little while to master. I don't think the people who've done it in videos put much effort into working it. They kinda just waved in front of the phone and hoped for the best, when they should focus on their hand angle and targetting the sensor.
The Queen's wave might work well
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Old April 12th, 2013, 01:42 AM   #15 (permalink)
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Quote:
Originally Posted by GeneralTechniq View Post
The GESTURE SENSOR (along with proximity and finger hovering tech) will be a godsend for me and my needs, if it works well enough for me to fully operate the phone within all desired apps without having to touch it.

Not quite sure what you mean by that remark, but everyone's entitled to their own "opinion". SNIP.
I wasn't talking about the Gesture sensor at all, just the sensors on the right side which Hadron pointed out. The Gyro Sensor, Accelerometer and Geomagnetic sensors were already out in other devices. I'm pretty sure the Hall sensor on the left side was already out on other devices as well.
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Old April 12th, 2013, 04:07 AM   #16 (permalink)
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Yeah, I was thinking yesterday that a hall magnetometer to detect when a cover was closed is something I've seen before, but not managed to remember where. It may have been some time ago.
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Old April 12th, 2013, 05:15 AM   #17 (permalink)
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Quote:
Originally Posted by Hadron View Post
Yeah, I was thinking yesterday that a hall magnetometer to detect when a cover was closed is something I've seen before, but not managed to remember where. It may have been some time ago.
Yeah, my old Blackberry Curve used to know when it was in its case by detecting the magnet in the sheath-like case, and would go to sleep. And it would wake up on its removal, which I liked.
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Old April 12th, 2013, 08:03 AM   #18 (permalink)
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Quote:
Originally Posted by EarlyMon View Post
Barometric sensor will aid in GPS accuracy.

Cool.
Really? Never knew that. Although if one looks at the original Note, it'll prove otherwise as it was a major issue when some people updated to ICS.
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Old April 12th, 2013, 08:28 AM   #19 (permalink)
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Quote:
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Really? Never knew that. Although if one looks at the original Note, it'll prove otherwise as it was a major issue when some people updated to ICS.
First introduced for Android on the Galaxy Nexus to give more accurate elevations more rapidly.

Although, the Devil's in the details.
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Old April 12th, 2013, 11:07 AM   #20 (permalink)
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Seems like without all the polling for these functions, battery life would be better. Can we turn some of this junk (IMO) off?
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Old April 12th, 2013, 11:16 AM   #21 (permalink)
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Mobile-review say in their review that battery life is indeed improved if you disable some of the sensors.
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Old April 15th, 2013, 07:53 AM   #22 (permalink)
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Good! So the sensors can be turned off via settings?

Next hope will be an improved radio chipset. We can spin all day, but the US VZW version at least has weak 3G and bouncy 3G/4G. Battery sucking mess with weak signal. Worse than any other phone device I have owned with weak signal. Besides that, the S3 is IMO great with everything else.

Added: Everything has a positive and negative. Wonder if the same ones for the S4?
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Old April 18th, 2013, 04:19 PM   #23 (permalink)
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The Note 2 also has a barometer, which has proven very useful and accurate for me.
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Old April 18th, 2013, 05:33 PM   #24 (permalink)
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Can't blame the hardware entirely when it comes to Verizon and the GS3.

I've said it before and I'll say it again... CDMA and LTE was never meant to be paired together. They are two totally different network architectures and getting them to play nice together requires quite a bit of technical voodoo and sometimes that "voodoo" doesn't always work. CDMA requires completely different provisioning hardware from LTE.

So no, I don't blame the device for the issues. I blame Verizon's poor choice to stick with CDMA when they should've gone with GSM years ago when the rest of the world went GSM too.

They are stuck between a rock and a hard place. Keep with CDMA2000 which has no future or try to develop a way to transition to something newer, in this case it's LTE. But, in the process of doing that you have to create a way to transition over. The faster Verizon dumps CDMA2000 the better it will be for everyone on that service.
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Old April 19th, 2013, 02:46 AM   #25 (permalink)
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Quote:
Originally Posted by trparky View Post
Can't blame the hardware entirely when it comes to Verizon and the GS3.

I've said it before and I'll say it again... CDMA and LTE was never meant to be paired together. They are two totally different network architectures and getting them to play nice together requires quite a bit of technical voodoo and sometimes that "voodoo" doesn't always work. CDMA requires completely different provisioning hardware from LTE.

So no, I don't blame the device for the issues. I blame Verizon's poor choice to stick with CDMA when they should've gone with GSM years ago when the rest of the world went GSM too.

They are stuck between a rock and a hard place. Keep with CDMA2000 which has no future or try to develop a way to transition to something newer, in this case it's LTE. But, in the process of doing that you have to create a way to transition over. The faster Verizon dumps CDMA2000 the better it will be for everyone on that service.
trparky, very little of this is true.

LTE is the natural upgrade path to CDMA. The 3GPP2 has been working on eHRPD as a bridging technology since 2007, and the 3GPP and 3GPP2 groups announced LTE as the evolution to CDMA networks in early 2009.

Originally UMB (Ultra Mobile Broadband) was being developed by Qualcomm as the CDMA 4G upgrade path inside of the 3GPP2, but that project was canceled in Nov 2008 in favor of LTE (and the provisional success of eHRPD).

eHRPD is the bridging technology that, when LTE-capable devices connect to towers that transmit both CDMA 1X/EV-DO and LTE, sends traffic into the all-IP network LTE core (rather than the MSC-based circuit-switch core). eHRPD is reliable and works just fine; it isn't voodoo. It is the supported standard from the 3GPP and 3GPP2. Basically, Verizon relied on geographically dispersed Mobile Switching Centers prior to LTE. If one MSC went down, all calls/data in a region failed. The LTE network can be setup to dynamically connect to different cores for routing, increasing reliability.

Originally Verizon did not enable that dynamic routing technology on the LTE cores, so they had the same regional failures if a specific routing core pooped. They've since enabled dynamic core routing as they upgrade swaths of the country; LTE downtime should be practically non-existant when they finish with a region. Save, you know, backhaul failure.

And what was Verizon's alternative to going forward with the new LTE equipment and eHRPD overlay? Verizon had 44,xxx towers the last time they publicized a specific number, and more now with subsequent acquisitions. Should they have added a second, completely disparate HSPA network on those 44k+ towers that none of their 100 million existing users devices could connect? And then replace those 100 million user devices with HSPA variants? And then upgrade to LTE anyway? And have users replace devices again? That would be a silly waste of capital expenditures, spectrum, and user goodwill.

The connectivity problems of the Galaxy S3 are divided into two groups: 1) users in LTE fringe areas, cycling back and forth between EV-DO and LTE, and 2) Samsung.

Remember, Samsung phones up and down the product lines had Bluetooth problems, GPS problems, WiFi problems, and cellular network issues. Ugh.

But the Samsung issues have been getting better and better. I'll be picking up a Galaxy S4 on Verizon's launch day, and keeping my fingers crossed that it is as reliable as my other Verizon LTE devices. Otherwise, it will go back. =P And then I'll be waiting again for the next best thing...
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Old April 19th, 2013, 08:19 AM   #26 (permalink)
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Surprised Anandtech haven't got an early performance preview out for the S4 yet, I understand them not having the Exynos version but lots of sites have been able to get hold of the Snapdragon version.
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Old April 19th, 2013, 09:24 AM   #27 (permalink)
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I don't remember them doing a performance preview of the HTC One either, and I think that would have been the first production Snap 600 phone they'd have had so at least as logical a candidate for one as the S4.

In fact most of the reviews I've seen so far seem to be either Asian or East European. I guess Sammy are either holding back review hardware or enforcing embargoes to control when the mass of reviews hit. If the former we'll have a while to wait for anandtech, as they won't do a rush job (The Verge, I'm looking at you...).
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Old April 19th, 2013, 09:24 AM   #28 (permalink)
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If you look at LTE as a base technology it's largely based upon UMTS/GSM technology. It's an evolution of GSM/UMTS technology, not CDMA2000.

Quote:
LTE is what the 3GPP (3rd Generation Partnership Project, the group responsible for standardizing and improving UMTS) designates as their next step. UMTS is the group of standards that define 3G for GSM networks across the world, including AT&T and T-Mobile’s 3G networks. This does not mean a thing to CDMA2000 subscribers, since CDMA2000 is not maintained by the 3GPP. For CDMA2000 subscribers, LTE is the replacement of mediocre CDMA2000 networks offered by Verizon Wireless, Sprint, au by KDDI, and others with a superior cellular telecommunications system offering flexibility and power to the network operator and the subscriber.
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Verizon won’t be using the proper network design to handover to CDMA2000 because of eHRPD (Enhanced High Rate Packet Data, essentially an enhanced version of the core packet network for EV-DO), which plugs right into the network in a way that is supposed to replace a UMTS network. By its very nature, eHRPD is rather fragile because it attempts to emulate enough of what the LTE network core expects in a UMTS network to communicate and hand over. This is why Verizon’s LTE service has been breaking down at least once every quarter of 2011. LTE and CDMA handover wasn’t originally designed to work the way it does now, and the way they’ve implemented it is not officially supported in the standard (well, the 3GPP standard, anyway). Unexpected issues arise every time they do some network tweaking because of this. Sometimes the failure can spread to EV-DO and shut it down, leaving only 1xRTT available. However, these issues are largely resolved now, and other CDMA/LTE deployments may rarely suffer from these issues. That being said, CDMA/LTE networks can not be considered as reliable as GSM/LTE networks.
http://www.extremetech.com/mobile/110711-what-is-lte
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Old April 19th, 2013, 10:07 AM   #29 (permalink)
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Quote:
Originally Posted by trparky View Post
If you look at LTE as a base technology it's largely based upon UMTS/GSM technology. It's an evolution of GSM/UMTS technology, not CDMA2000.

http://www.extremetech.com/mobile/110711-what-is-lte
Correct, LTE is from the 3GPP and a GSM-based technology. But LTE is still the natural upgrade path for CDMA according to the 3GPP2 and the 3GPP.

eHRPD is just a connection interface for CDMA 2G and EV-DO 3G voice and data on LTE devices to run through the LTE network core.

GSM 2G and UMTS/HSPA have to do the same thing to run into the LTE core network; it just isn't called eHRPd (http://www.3gpp.org/ftp/information/presentations/presentations_2010/2010_05_Moscow/Core_Network_Hietalahti.pdf).

And CDMA isn't old or creaky. I know this ExtremeTech article you reference says so, but that doesn't make it so. Nor was eHRPD the cause of any Verizon LTE network issues.
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Old April 19th, 2013, 11:14 AM   #30 (permalink)
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CDMA2000 not old and creaky? I sure think it is when compared to newer technologies such as HSPA+ 42.

1×EVDO Revision A which is what Verizon Wireless uses as their 3G data network is pathetic when compared to newer data technologies such as HSPA+ 21 and 42.

The 1×EVDO standard has no way to upgrade other than go to LTE since CDMA2000 1xEVDO hasn't had any standard upgrades in years. Whereas the HSPA standard has had two upgrades, one to support 21 Mbps and the second to have 42 Mbps. Not only that but if you have a device that's 42 compatible it can connect to a 21-based network, the HSPA network standard is fully backwards compatible.

What do you think the better wireless standard is? I'll give you a hint, it's not CDMA2000.

T-Mobile is deploying LTE even though they don't really need to. Their current HSPA+ 42 network is just as fast as LTE is. They're just doing it because everyone else is and if they don't do it they'll look bad in the eyes of consumers.
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Old April 19th, 2013, 11:53 AM   #31 (permalink)
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Interesting as this is, it doesn't matter a lot to the practical use of the SGS4 does it? Or address innovations?

We have a device/carrier comparison subforum under the Android Lounge. Maybe that's a better place to take this so more people can enjoy the debate? Let me know if you want any posts moved there to give the conversation a starting point.

Do what you think best, thanks.
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