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How to Spot Sprint 8T8R TD-LTE RRHs (Nokia Networks)

TDD-LTE Sprint Spark TD-LTE 8T8R 4T8R LTE

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#1 lilotimz

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Posted 20 March 2014 - 03:32 PM

Nokia Networks
(formerly Nokia Solutions & Network [NSN])
FZHJ Flexi Multiradio 10 BTS RF module 2.6ghz
Model: VBNFZHJ-01
 
Assigned Vendor Region
 
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Full Build Ericsson upgraded Network Vision + Nokia 8T8R setup
 
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Special Case "Tri-Band Antenna" Setup
Deployed for engineering reasons these sites do not deploy a dedicated 8T8R antenna for 2.5 but instead opts for a three frequency antenna that supports 800 MHz + 1900 MHz and 2500 MHz. Due to size constraints for the antennas they limit the 8T8R RRUs to 4T4R mode (4 Jumpers from radios to antennas).
 
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TongYu Communications 8T8R B41 Antenna
 
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#2 ZDuncanZ

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Posted 20 March 2014 - 03:46 PM

love the characters that go with. I assume my browser is in the correct language. :)



#3 jeremyvbk

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Posted 20 March 2014 - 04:09 PM

Well Google translated something into loincloth...should I be worried?

#4 xdfgf

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Posted 20 March 2014 - 06:35 PM

Hooray! I've been waiting on this thread  :frantic:



#5 duddys31

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Posted 20 March 2014 - 06:49 PM

Me too cant wait to see some of these in live action!!!

#6 caspar347

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Posted 20 March 2014 - 07:33 PM

Hmm. No passive cooling?

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#7 Josh

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Posted 22 March 2014 - 11:37 AM

I love that this thread is up because I believe these are the radios that were used to show the 2.6Gb/s lab tests with LTE-A.  But wont these be housed in the cabinet at the base, and not visible?  How will we tell if they are installed?  If I am off base, please correct me, but I do not know as much about this stuff.  

 

Still super excited, and love seeing real photos... are these already being used in spark markets, or is it going to be like the Network vision deployment, with different areas being deployed by different vendors? 



#8 lilotimz

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Posted 22 March 2014 - 11:51 AM

I love that this thread is up because I believe these are the radios that were used to show the 2.6Gb/s lab tests with LTE-A.  But wont these be housed in the cabinet at the base, and not visible?  How will we tell if they are installed?  If I am off base, please correct me, but I do not know as much about this stuff.  

 

Still super excited, and love seeing real photos... are these already being used in spark markets, or is it going to be like the Network vision deployment, with different areas being deployed by different vendors? 

 

These are remote radio heads mounted by the antennas. 

 

No. Current spark markets utilize either Huawei dual mode TDD-LTE / Wimax equipment (which will be decommissioned at the end of the year) or an older model 4T4R Samsung dual mode Wimax / TDD-LTE RRH. NSN will be deploying over all of the Ericsson territory. ALU and STA will deploy over theirs. 



#9 belusnecropolis

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Posted 22 March 2014 - 04:01 PM

ALU and STA will be using their own 8t8r equipment, or will this be used nationwide?

#10 lilotimz

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Posted 22 March 2014 - 04:09 PM

ALU and STA will be using their own 8t8r equipment, or will this be used nationwide?

 

...

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https://apps.fcc.gov...d=A3LSLS-BD10JQ



#11 Josh

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Posted 27 March 2014 - 02:31 PM

I guess my question is: will the other vendors have the same theoretical abilities as the NSN equipment?  AKA, will the experience be the same across the country?



#12 lilotimz

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Posted 27 March 2014 - 02:32 PM

I guess my question is: will the other vendors have the same theoretical abilities as the NSN equipment?  AKA, will the experience be the same across the country?

 

Yes.



#13 Ascertion

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Posted 31 March 2014 - 04:30 PM

I'm sure this has been answered and I apologize if it's been repeated but these RRUs don't just hook up to the same NV panels, they need their own panels, correct?



#14 S4GRU

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Posted 01 April 2014 - 07:34 AM

I'm sure this has been answered and I apologize if it's been repeated but these RRUs don't just hook up to the same NV panels, they need their own panels, correct?


That's correct. NV panels house only 800/1900MHz antennas. The new 2600 antennas will be housed in an additional panel. They may come out with a triple band panel in the future, but that seems unlikely as Band 41 will have considerably different deployment scenarios than the other frequencies. Should be different enough that a completely separate panel will always be warranted.

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#15 JWMaloney

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Posted 01 April 2014 - 08:58 AM

I'm sure this has been answered and I apologize if it's been repeated but these RRUs don't just hook up to the same NV panels, they need their own panels, correct?


There are 8 antennas in every band 41 panel, and there is talk of NSN deploying 6-sector sites, meaning we will likely see 2 new panels per existing sector. They should fit perfectly on either side of the Ericsson panel where the legacy panels were.

The caveat, of course, is that the site needs to be fully 3G accepted so that the legacy equipment can be removed. This is one of the reasons we're seeing Ericsson hastily going back and doing 3G acceptances all over the place right now.
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#16 lilotimz

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Posted 01 April 2014 - 09:22 AM

There are 8 antennas in every band 41 panel, and there is talk of NSN deploying 6-sector sites, meaning we will likely see 2 new panels per existing sector. They should fit perfectly on either side of the Ericsson panel where the legacy panels were.

The caveat, of course, is that the site needs to be fully 3G accepted so that the legacy equipment can be removed. This is one of the reasons we're seeing Ericsson hastily going back and doing 3G acceptances all over the place right now.

 

That is incorrect.

 

Each 8T8R antenna panel has 4 "antennas" and are capable of up to 3 sectors per antenna. All three vendors RRH are capable of 3 sectors per antenna. There is no need for an additional antenna per sector. 

 

The NV site must have 4G capable backhaul available and installed before the new B41 equipment is installed or else they will not do that site. Priority is immediate offloading of capacity from the B25/B26 bands and thus they will target only sites with backhaul available at first.

 

Deinstall of legacy 3G equipment is because Sprint doesn't want to pay for their leases and they contracted several companies to do so within a specific time frame. 

 

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#17 JWMaloney

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Posted 01 April 2014 - 09:31 AM

That is incorrect.

Each 8T8R antenna panel has 4 "antennas" and are capable of up to 3 sectors per antenna. All three vendors RRH are capable of 3 sectors per antenna. There is no need for an additional antenna per sector.

The NV site must have 4G capable backhaul available and installed before the new B41 equipment is installed or else they will not do that site. Priority is immediate offloading of capacity from the B25/B26 bands and thus they will target only sites with backhaul available at first.

Deinstall of legacy 3G equipment is because Sprint doesn't want to pay for their leases and they contracted several companies to do so within a specific time frame.
 


Thanks for the correction regarding the panels, but won't they still need to prioritize removing legacy equipment and thus doing 3G acceptances on all the 4G-only sites to have somewhere to put the new panel?

Or are you saying they're going to be using a new rack?


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#18 lilotimz

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Posted 01 April 2014 - 09:33 AM

Thanks for the correction regarding the panels, but won't they still need to prioritize removing legacy equipment and thus doing 3G acceptances on all the 4G-only sites to have somewhere to put the new panel?

Or are you saying they're going to be using a new rack?

 

Contractors were hired to do deinstalls of legacy 3G equipment within a certain time frame. IIRC it's within 6-12 months after the installation of NV equipment. Most "big tower" racks can handle 3-4 full sized antennas per sector. Some have T bar racks which only support 2 antennas per sector where legacy must be removed. 

 

Either way the legacy 3G equipment must be removed and the hired contractors are now just getting to do it en masse instead of whenever they have free time. 



#19 Deval

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Posted 08 April 2014 - 11:27 AM

Has there been any report of NSN installs? I would love to see one in the macro.


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#20 KD8JBF

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Posted 09 April 2014 - 04:03 PM

Has there been any report of NSN installs? I would love to see one in the macro.

 

I was just thinking the same thing...Can't wait to see some pics in the wild!


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Also tagged with one or more of these keywords: TDD-LTE, Sprint, Spark, TD-LTE, 8T8R, 4T8R, LTE

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