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kq4ym
kq4ym
9/21/2016 | 7:19:47 PM
Re: Convergence?
Yes, it will be something to watch as all the varying formats and frequencies are still a confused mess for travelers not to mention just how all are selected by each company's telcos and differening regulations throughout the world depending on the frequency band used.
TV Monitor
TV Monitor
9/12/2016 | 1:07:19 PM
Re: 3GPP timelines
Dan Jones

" I though his comment about it supporting mobile was interesting so much of the early spec work seems to be focused on fixed."

The head of NTT Docomo's 5G project Nakamura Takeshiro speaking at a 5G conference in Tokyo describe 28 Ghz as a Samsung backed technology. And Samsung 5G at 28 Ghz is a fully mobile technology, supporting vehicles traveling in speed of 70 mph. This is why Samsung is providing a loaner prototype 28 Ghz 5G phone model to journalists and telco executives visiting Pyeongchang in 2018 and not some fixed demo stations. Hence there is no real reason to invest in fixed 28 Ghz 5G as an intermediary step, when fully mobile commercial grade 5G stations will be ready for deployment starting mid 2019.

If you want to deploy 5G in 28 Ghz band, then you have no other place to go but to Samsung.

"いわゆる28GHz帯で、Samsung Electronicsなどもここを使った5G技術の開発を進めていて、中村氏も「非常に盛り上がっている帯域で、日本でもある程度使える」と述べる。"

http://eetimes.jp/ee/articles/1606/15/news032_2.html
TV Monitor
TV Monitor
9/11/2016 | 12:37:50 PM
Re: Convergence?
The 128x8 MIMO station used by Softbank was supplied by ZTE. As you know, Softbank is eager to bring Chinese basestations into the US.

http://www.telecompaper.com/news/softbank-wireless-city-planning-launch-5g-project--1161736

ZTE provides SoftBank with commercial Massive MIMO base stations, which were also used in the 5G demo. This follows a joint development agreement first signed with ZTE in July 2015.
DanJones
DanJones
9/9/2016 | 11:29:35 AM
Re: 3GPP timelines
Yeah, probably on a slide somewhere, no doubt. I though his comment about it supporting mobile was interesting so much of the early spec work seems to be focused on fixed. And unless you live in Armpit, Omoha, fixed isn't that interesting (sez me anyway).
KeithDye63852
KeithDye63852
9/9/2016 | 5:53:35 AM
3GPP timelines
Existing 3GPP timeline here >>> http://the-mobile-network.com/2016/06/3gpp-works-out-work-programme-for-first-5g-specifications/nr_ng_timeline/

 

Seems to suggest aim is already that L1/L2 NSA and SA common elements already to be frozen in Dec 17, with higher layer components following between then and June 2018. Is Malladi referring to this existing timeline, or suggesting that the elements in Stage 6 are going to be pulled forward?

 

 

 
DanJones
DanJones
9/8/2016 | 5:58:41 PM
Re: Convergence?
I'm not getting my hopes too high on anything, not my job to be a cheerleader for 5G.
TV Monitor
TV Monitor
9/8/2016 | 5:25:01 PM
Re: Convergence?
Dan Jones

Anyhow, don't get your hopes too high on so called "Below 6 Ghz" 5G that uses Massive MIMO to boost the throughput as proposed by Ericsson, Qualcomm, and Huawei.

Softbank is launching its 128x8 MIMO TD-LTE network this month, and your throughput in congested area improves, but it doesn't improve your peak throughput you get in non-congested area. Massive MIMO is not the solution to increasing individual user's throughput, you need bandwidth for that.



DanJones
DanJones
9/8/2016 | 5:15:08 PM
Re: Convergence?
Hopefully by the time you can buy a 5G phone there will be a few more VoLTE networks running.

There's going to be different frequencies to support. That's true of LTE now. That's not the same as CDMA vs. GSM, 2 completely incompatible systems.
TV Monitor
TV Monitor
9/8/2016 | 5:01:16 PM
Re: Convergence?
Dan Jones

"Well they probably won't do phones without LTE, so you'll be ok."

Voice calls require 2G or 3G circuit switching, not very many networks support VoLTE right.

Of course there are VoIP apps to get around this problem.

"Nokia's Ricky Corker is adamant there will be not be another CDMA vs. GSM situation in the offing."

That depends. For example, Europeans are pushing 15 Ghz that will not be supported in the US/Japan/Korea. Likewise US/Japan/Korea 28 Ghz 5G will not be supported in Europe. Neither are supported in China becaue Chinese are doing Below 6 Ghz 5G only. No cmWave and no mmWave stuff in China.
TV Monitor
TV Monitor
9/8/2016 | 4:58:48 PM
Re: Convergence?
msibey

"I'm still traumatized from trying to travel internationally with a CDMA phone."

5G fragmentation is inevitable at this point.
You will have to resort to LTE when traveling internationally.

NTT Docomo talked about building two 5G networks in Japan, one for Chinese 5G and another for US/Japan/Korea common 28 Ghz 5G. So you will be OK if you are traveling to Japan or Korea with a Verizon 5G phone, but you don't get 5G in China or Chinese influenced territories like Singapore, Taiwan, and Hong Kong. Those territories require Chinese 5G format phones to be sold by Sprint.

No one really knows where EU is going with 5G. For example, NTT Docomo wasn't factoring in EU compatibility when laying out its 5G plan.
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