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kq4ym
kq4ym
12/12/2016 | 4:48:53 PM
Re: Massive MIMO in LTE
As noted, Softbank, "However, like other operators, it is still waiting for industry consensus to emerge on radio interfaces and spectrum bands." I wonder what it will take and how long to get that consensus? And with the latest news about their entrance into the U.S. how will that affect the speed of buildout.
TV Monitor
TV Monitor
11/29/2016 | 11:38:07 PM
Re: Massive MIMO in LTE
R Clark.

Well, TD-LTE+ has nothing to do with most US carriers. Only Sprint can deploy it.

The latest chart on where each major countries stand on 5G.

(Japan, US, Korea, China, EU)



US has no suitable low-band 5G spectrum available for TD-LTE+ deployment.

There is sort of a common low-band at 3.4 Ghz ~ 3.6 Ghz in Japan, China, Korea, and EU. 

 28 Ghz is the US/Korea/Japan common mmwave 5G band. Docomo and KDDI are committed to 28 Ghz 5G deployment.
R Clark
R Clark
11/28/2016 | 8:32:08 PM
Re: Massive MIMO in LTE
Yes, it's certainly a winner for the TD camp. There's a still a lot of TD spectrum around - I wonder if this will help spark interest in it.
Gabriel Brown
Gabriel Brown
11/28/2016 | 7:59:19 AM
Massive MIMO in LTE
This is an important technology for 4G evolution. The benefit is really for operators with TDD spectrum in dense urban amrkets, which tends to mean Asian and especially Chinese operators. Sprint is a candate in the US. And it will come to Europe in 2.6GHz and then 2.3GHz once that that is licensed.

Good piece Robert. It's great to see active antenna systems going commercial in this way.


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