The iPhone 4S, HSPA+, and When HSPA+ is Real 4G(anandtech.com)
anandtech.com
The iPhone 4S, HSPA+, and When HSPA+ is Real 4G
http://www.anandtech.com/show/4943/the-iphone-4s-hspa-when-hspa-is-real-4g
5 comments
Considering that in most parts of the world you don't even get 5GB "unlimited" traffic, considering that real world bandwidth is still ways away from 14Mbit/s and finally considering that even with high bandwidth, latency still is really, really bad, I don't understand this discussion at all.
Even if you somehow reached those 14M consistently, latency would still make sure that surfing felt much slower than over landlines. And the very low data transfer limits will make sure that stuff not as dependent on latency (like video with big buffers) still won't be practical.
For me, the mobile web got kinda usable with 3G phones and since then, I've never seen any practical improvement.
So at least here in Switzerland, this discussion is pointless and it's different features that will make people want (or not - we'll see) to upgrade their phones
Even if you somehow reached those 14M consistently, latency would still make sure that surfing felt much slower than over landlines. And the very low data transfer limits will make sure that stuff not as dependent on latency (like video with big buffers) still won't be practical.
For me, the mobile web got kinda usable with 3G phones and since then, I've never seen any practical improvement.
So at least here in Switzerland, this discussion is pointless and it's different features that will make people want (or not - we'll see) to upgrade their phones
Nice graph: Motorola Atrix 4G, LG Thrill 4G, HTC Inspire 4G, iPhone 4S, all with theoretical 14.4 Mbps down, 5.8 Mbps up. Only one of these products doesn't have 4G in the name.
Doesn't stop them from making sure you know that the 4S is just as fast all these "4G" phones (stopping short of comparing to real 4G phones, of course).
https://plus.google.com/109995794392976695103/posts/PdBbSct8...
https://plus.google.com/109995794392976695103/posts/PdBbSct8...
Probably a typo... :P
For me the surprise was iPhone 3G back then with Apple skipping the iPhone 2. Apple probably was thinking about iPhone 4G but it wasn't perfect yet or they just wanted to stop marketing hardware features like that.
For me the surprise was iPhone 3G back then with Apple skipping the iPhone 2. Apple probably was thinking about iPhone 4G but it wasn't perfect yet or they just wanted to stop marketing hardware features like that.
Apple likes to call their products by the same name worldwide. Are there any countries other than the US where HSPA+ networks are advertised as 4G? And on the other hand, are there countries where advertising HSPA+ as 4G is prohibited?
I think both 3G and 4G are a lot less present in carriers’ marketing in Germany. And maybe I missed it but I haven’t seen a big marketing campaign for 4G in Germany. I wasn’t even aware how widely available it already is†.
Carriers in Germany seem to be a lot more willing to use standard names for their marketing, e.g. UMTS, HSDPA, LTE, probably mostly because all carriers are using the same standards. (No one uses CDMA in Germany.)
I also haven’t seen any carrier refer to something as 4G that’s not LTE.
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† http://www.t-mobile.de/funkversorgung/inland/ — http://www.vodafone.de/privat/hilfe-support/netzabdeckung.ht...
What I would like to know is why LTE is available in all those weird places with relatively low population densities and rarely in cities. What’s going on there?
Carriers in Germany seem to be a lot more willing to use standard names for their marketing, e.g. UMTS, HSDPA, LTE, probably mostly because all carriers are using the same standards. (No one uses CDMA in Germany.)
I also haven’t seen any carrier refer to something as 4G that’s not LTE.
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† http://www.t-mobile.de/funkversorgung/inland/ — http://www.vodafone.de/privat/hilfe-support/netzabdeckung.ht...
What I would like to know is why LTE is available in all those weird places with relatively low population densities and rarely in cities. What’s going on there?
In at least some European countries 4G is everywhere.
That doesn't answer either question -- first you need to define what they're calling "4G" in those countries. Is it HSPA+? WiMax? LTE?
True, sorry, I read it as something else.
I've tested a variety of HSPA+ devices on AT&T's networked and never even approached the HSPA theoretical max of 14.4Mbps, let alone HSPA+'s max. More commonly, I'd see speeds of 1-4Mbps down. Never any more than 4.
In Canada it's not hard to get 10-13mbps down speeds with HSPA+ devices, But that is with a 21MBit device (USB broadband stick). All the carriers in Canada are now 21.6MB HSPA+ and converting to 44MB HSPA and 75MBIT LTE. What G would you call that?
I think it depends largely on the pair of devices. Both the cells and the local device need to support higher speeds. Here in NYC I have tested 3 HSPA+ devices and only one of them gets close to 14.4Mbps on AT&T (probably due to radio differences in the devices). Outside the city, it's never that fast (probably the cells are slower).
Does anyone know if o2 in the UK support the higher speeds? Google's giving me nothing.
Well, the bottom of this press release (http://mediacentre.o2.co.uk/Press-Releases/O2-first-to-switc...) has the following claim:
"O2’s UK 3G (HSPA+ 900 / 2100 MHz) network currently provides voice and high speed data services of up to 14.4Mbps (21Mbps in the coming months) to over 84% of the UK population"
"O2’s UK 3G (HSPA+ 900 / 2100 MHz) network currently provides voice and high speed data services of up to 14.4Mbps (21Mbps in the coming months) to over 84% of the UK population"
The real issue is that there wasn't a good way to label networks that were 2-4x better than their predecessor. EV-DO Rev A achieves around 1Mbps in the real world. As companies (Sprint, really) started rolling out faster wireless technologies, they wanted a way to differentiate them. They were better. If you were a Sprint user with a WiMAX device, you're likely getting 2-3x faster speeds. That's a significant improvement and, frankly, Sprint needed a way to communicate that to users. Of course, that set the bar decently low for 4G - a height that HSPA+ easily surpassed.
It would have been good if it had been called 3.5G or 3.75G, but once Sprint had announced it's 2-3Mbps service as "4G", it meant everyone offering 2-3Mbps service had to call it that. Granted, I think Sprint thought its service was going to provide faster speeds than that - as noted by their 3-6Mbps figure. However, that never panned out in real-world testing. It's reasonable to think that LTE's speeds are going to be reduced as the customer load increases (right now, AT&T and Verizon's LTE networks are virtually empty). So, if WiMAX had been able to deliver 3-6Mbps and LTE speeds went down to the 6Mbps range under load, it might not have seemed so off.
What we really need is to get away from the "G"s and start concentrating on average real-world speed under load. What are people going to call "4G" technologies like LTE Advanced (the next generation of LTE)? It's going to offer vast improvements over the LTE that AT&T and Verizon are rolling out, but officially it's supposed to just be 4G. The number of "G"s doesn't matter. Ping times and bandwidth matter.