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How to Spot Clearwire TDD-LTE / Wimax Antennas & RRUs (Huawei)

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#21 S4GRU

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Posted 07 March 2014 - 01:49 PM

Hey I was wondering why Sprint will keep using microwave backhaul on clear sites and go to fiber on Sprint sites? I'm assuming it's a cost thing and why Fix something that isn't broke right? I'm assuming the microwave way is still very efficient back haul?. Thanks.

 

They are upgrading the microwave in many instances.  It's a case by case basis depending on capability/demand.

 

Robert



#22 jthawks

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Posted 07 March 2014 - 01:51 PM

Oh I see. Are microwaves just has good as fiber? Why would Sprint not use microwaves on Sprint towers?

#23 jeremyvbk

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Posted 19 March 2014 - 05:31 PM

Who in the heck is the vendor that installed this weird looking wimax equipment?
https://www.dropbox....0319_191757.jpg

I thought we had huawei equipment but I've never seen one like this.

#24 lilotimz

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Posted 19 March 2014 - 06:48 PM

Who in the heck is the vendor that installed this weird looking wimax equipment?
https://www.dropbox....0319_191757.jpg

I thought we had huawei equipment but I've never seen one like this.

 

What are we suppose to look at?



#25 anthony.spina97

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Posted 19 March 2014 - 07:08 PM

What are we suppose to look at?

I'm guessing the bottom rack? Maybe? ...

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#26 jeremyvbk

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Posted 19 March 2014 - 07:20 PM

What are we suppose to look at?

bottom rack, the other two are Verizon, AT&T. The bottom ones are what look like to be the wimax equipment, with the RRUs behind the round panels

#27 lilotimz

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Posted 19 March 2014 - 07:22 PM

bottom rack, the other two are Verizon, AT&T. The bottom ones are what look like to be the wimax equipment, with the RRUs behind the round panels

 

I don't see any panels or RRUs. 

 

I do see some antennas that do not belong to Clearwire. 

 

OIC. Clearwire protection site. Not clear enough of a picture to determine whose equipment it is. Probably motorola or Samsung. 


Edited by lilotimz, 19 March 2014 - 07:26 PM.


#28 jeremyvbk

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Posted 19 March 2014 - 07:25 PM

I don't see any panels or RRUs. 
 
I do see some antennas that do not belong to Clearwire.

What are those bottom level panels ? The RRU is attached to the back of the farthest right round panel. Kind of hard to see, didn't help it was dark. But it is the only level that resembles wimax. It is on a wimax protection site

#29 jeremyvbk

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Posted 19 March 2014 - 08:06 PM

I don't see any panels or RRUs. 
 
I do see some antennas that do not belong to Clearwire. 
 
OIC. Clearwire protection site. Not clear enough of a picture to determine whose equipment it is. Probably motorola or Samsung.

It almost looks like an omnidirectional, did Clear use those?

#30 lilotimz

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Posted 19 March 2014 - 08:11 PM

It almost looks like an omnidirectional, did Clear use those?

 

Those are sector antennas. 



#31 S4GRU

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Posted 19 March 2014 - 09:44 PM

90% of the Protection Sites I've seen are Huawei gear. The ones in Lamesa Texas, Flagstaff Arizona and North Bend Oregon are the ones I recall off the top of my head that were different. At least of the ones I've seen. I have seen a couple others too. The other 50 or so Protection Sites I've seen are Huawei. All the ones in NM are Huawei.

 

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#32 MrZorbatron

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Posted 20 March 2014 - 03:14 PM

Hey I was wondering why Sprint will keep using microwave backhaul on clear sites and go to fiber on Sprint sites? I'm assuming it's a cost thing and why Fix something that isn't broke right? I'm assuming the microwave way is still very efficient back haul?. Thanks.


It can be. It works fine as long as the link has sufficient capacity. You can easily do 1Gbps full duplex at the distances required for 2500MHz site spacing.

The issue comes in with how many hops are required between points where the network is loaded. Ex. 3 sectors TD-LTE will require about 450 Mbps in a perfect world, about 250 in a more real world. This means that with a 1.5 Gbps connection, four or five microwave hops would be a practical maximum.

#33 MrZorbatron

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Posted 20 March 2014 - 03:24 PM

90% of the Protection Sites I've seen are Huawei gear. The ones in Lamesa Texas, Flagstaff Arizona and North Bend Oregon are the ones I recall off the top of my head that were different. At least of the ones I've seen. I have seen a couple others too. The other 50 or so Protection Sites I've seen are Huawei. All the ones in NM are Huawei.Robert via Samsung Note 8.0 using Tapatalk Pro


I need to get you some Michigan pictures. Some are pretty odd.

#34 jthawks

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Posted 20 March 2014 - 04:19 PM

Thank you for that info Mrzorbatron

#35 jeremyvbk

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Posted 23 March 2014 - 02:08 PM

I don't see any panels or RRUs. 
 
I do see some antennas that do not belong to Clearwire. 
 
OIC. Clearwire protection site. Not clear enough of a picture to determine whose equipment it is. Probably motorola or Samsung.


I got a better picture I hope.

https://www.dropbox....zf/CAM00013.jpg

#36 caspar347

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Posted 23 March 2014 - 02:37 PM

I got a better picture I hope.

https://www.dropbox....zf/CAM00013.jpg

Those look kinda like the stupid "stealth" sheath things that are on some towers in Charlotte. I don't know why they are used (consistency among carrier racks, I guess?), and I think they just slow down site upgrades. If you can get closer to the site, does it look like those are just cylinders that are open at the tops and bottoms with antennas inside?


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#37 jeremyvbk

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Posted 23 March 2014 - 02:42 PM

Those look kinda like the stupid "stealth" sheath things that are on some towers in Charlotte. I don't know why they are used (consistency among carrier racks, I guess?), and I think they just slow down site upgrades. If you can get closer to the site, does it look like those are just cylinders that are open at the tops and bottoms with antennas inside?

yes and you can kind of see the rru attached to the cylinders, i cant get closer to the other two protection sites In town, but this one I was literally Right underneath it.

Looks just like this
http://i.imgur.com/e1NvWPU.jpg

#38 caspar347

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Posted 23 March 2014 - 02:48 PM

yes and you can kind of see the rru attached to the cylinders, i cant get closer to the other two protection sites In town, but this one I was literally Right underneath it.

Ahh. I thought so. I guess you have to go off of the RRU for identification. Which is better than seeing the antenna in most cases anyway. It would be best if you could get a photo with a camera with a zoom lens just to be sure, but I don't know of any other carrier using antennas of that height with RRUs of that size. So it's probably safe to assume it's Clearwire. :)


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#39 jeremyvbk

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Posted 23 March 2014 - 02:51 PM

Ahh. I thought so. I guess you have to go off of the RRU for identification. Which is better than seeing the antenna in most cases anyway. It would be best if you could get a photo with a camera with a zoom lens just to be sure, but I don't know of any other carrier using antennas of that height with RRUs of that size. So it's probably safe to assume it's Clearwire. :)

Oh i know it has to be clearwire gear. But finding the vendor is what im curious about, im going to try and borrow one to focus on the RRUs and possibly another sight or two. Thanks for the thought that it might be a stealth container. Never thought of it

#40 jeremyvbk

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Posted 23 March 2014 - 06:17 PM

Ahh. I thought so. I guess you have to go off of the RRU for identification. Which is better than seeing the antenna in most cases anyway. It would be best if you could get a photo with a camera with a zoom lens just to be sure, but I don't know of any other carrier using antennas of that height with RRUs of that size. So it's probably safe to assume it's Clearwire. :)

Here are some better shots I got:

 

https://www.dropbox....4n/DSCN0087.JPG

 

https://www.dropbox....qz/DSCN0089.JPG

 

And here is the closest I could get from another Protection site, without the stealth containers:

 

https://www.dropbox....qp/DSCN0091.JPG







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