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5G Just Got Weird

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211–220 of 300 posts

Re: 5G Just Got Weird

#211
I hoped 5G would be like 4G but with much more speed, lower latency, and more area covered by one antenna.

But it seems it won't deliver.

Re: 5G Just Got Weird

#212
post #117

Earlier quoted context omitted.

Be careful with expectations of "possible" vs. "practical". 5G for IoT devices is a big deal in remote field and some industrial settings where wi-fi is not an option. Two examples for you: I worked on a pilot project with a state government group that wanted remote monitoring of water levels in wetlands and ponds spread across a few hundred square miles of mostly-rural area. wi-fi obviously wasn't an option and gett…

What about LoRaWAN?

Isn't lora very low speed?

Re: 5G Just Got Weird

#213

Earlier quoted context omitted.

Hopefully not something to fuel conspiracy theorists with more reasons to burn down mobile towers like what has been happening in the UK recently.

What conspiracies are moving people to do that? And how do you burn down a steel tower?

similar to QAnon, there are a lot of offshoots of different ideas that all stem from people not understanding 5G and thinking that it's unsafe, despite a lack of scientific evidence to support that.

Pre-covid it was that 5G was making everyone physically ill. Post-covid it's that the radiation is mutating the virus to make it more deadly or spread it more quickly.

https://abcnews.go.com/Health/wireStory/conspiracy-theorists...

Re: 5G Just Got Weird

#214

Earlier quoted context omitted.

No, it's more than that. There was no YouTube in 2000. Web video for wired connections was shitty. MPEG-2 was the codec dujour. Progressive Networks/Real Networks was people's conception of online video. Netflix was shipping DVDs by snail mail. If the iPhone existed in 2000, there still couldn't have been a TikTok. AR glasses for example, could totally upend all of this and require 5G low latency, and fast accurate p…

I don't think people were watching streaming video on 3g, especially not with the data caps of the time. The improvement from 2g to 3g (in my experience at least) was literally just being able to load web pages without waiting minutes for it to finish (which is a huge improvement of course).

Yeah the original 3G (384kbps, before HSDPA) was just about enough to stream music flawlessly. The Swedish public radio broadcaster had 3GPP AAC audio streams and at the time the Swedish operators had all made those streams unmetered, and where I lived the 3G reception was actually better/more stable than FM stereo, so I'd listen to them all the time. This was before or at release of the iPhone, which couldn't do this.

Re: 5G Just Got Weird

#215

Earlier quoted context omitted.

> Really, how useful was a 2g (Edge) iPhone without a wifi connection? Very. Lots of sites had mobile versions of pages by the iPhone's release. These were originally intended for Blazor and pocket IE but they worked fine for an iPhone on EDGE. I could do e-mail just fine on EDGE as well.

Not for me. I've owned every smartphone and high end feature phone since the 90s. A Blackberry was still better than an iPhone + IMAP + EDGE in terms of subjective speed. Mobile websites sucked hard on the iPhone. (Don't even get me started on Pocket IE and the IPAQ). Quite literally my day job was Windows CE development, I was on the W3C XHTML/CSS/XForms committees, I worked on implementation of those specs on HW be…

2G modem tethering to a laptop was usable. I did this all the time.

Re: 5G Just Got Weird

#216

5G doesnt seem like its enabling anything fundamentally new. The talk of any ”killer app” based on having more throughput or on these optimizations always feels like demand generation and slightly inauthentic. Are there any technologies enabled by these techniques that are not possible today?

Around 2000, I was working at OracleMobile, attened 3GPP/Mobile Congress/etc meetings, and there was a similar discussion around 3g. People were like "what's the killer app"? At the time, most phones were WML/WAP and Blackberry-like SMS/MMS/Email experiences. People speculated "maybe music or video", but it was all very vague, no one imagined the smartphone revolution that brought all of these services, like Uber. I'…

The latency is only reduced from tower to phone right?

The tower still has to ping the rest of the network to find the service you were requesting to in the first place.

If total latency ~ 500 ms, phone-to-tower is maybe 50ms of that in 4G. Even if it's down to ~1ms, total latency is only down 10%.

Not a networking expert so maybe I'm missing something here. Perhaps better use of CDNs could make this much faster?

Re: 5G Just Got Weird

#217

Earlier quoted context omitted.

Around 2000, I was working at OracleMobile, attened 3GPP/Mobile Congress/etc meetings, and there was a similar discussion around 3g. People were like "what's the killer app"? At the time, most phones were WML/WAP and Blackberry-like SMS/MMS/Email experiences. People speculated "maybe music or video", but it was all very vague, no one imagined the smartphone revolution that brought all of these services, like Uber. I'…

The latency is only reduced from tower to phone right? The tower still has to ping the rest of the network to find the service you were requesting to in the first place. If total latency ~ 500 ms, phone-to-tower is maybe 50ms of that in 4G. Even if it's down to ~1ms, total latency is only down 10%. Not a networking expert so maybe I'm missing something here. Perhaps better use of CDNs could make this much faster?

Computing is getting closer and closer to the edge. One example, as you said, is putting it at the CDN PoPs, but even beyond that you can put your compute into the CSP locations.

E.g. https://aws.amazon.com/wavelength/, but if you’re big enough I’m sure you can make more interesting deals.

Re: 5G Just Got Weird

#218

Earlier quoted context omitted.

"Sidelinks will allow 5G-connected vehicles to communicate directly with one another, rather than going through a cell-tower intermediary."

I bet google wont implement that part... Just like they didnt implement ad-hoc wifi

Wifi direct is definitely implemented on android, not sure what you are specifically talking about?

Re: 5G Just Got Weird

#219
post #209

Earlier quoted context omitted.

How do you get around the extremely poor range of 5G? Also, I’ve heard a lot of ISPs tout the download speed with 5G and almost none say how much the upload speed will be on their networks.

5g can have the same range as LTE, if similar frequencies are used.

[deleted]

Re: 5G Just Got Weird

#220

5G doesnt seem like its enabling anything fundamentally new. The talk of any ”killer app” based on having more throughput or on these optimizations always feels like demand generation and slightly inauthentic. Are there any technologies enabled by these techniques that are not possible today?

It enables great technologies — not especially beneficial for you, but awesome for those who hate you, such as ubiquitous high-definition surveillance.
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