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brendan4t

Network Vision/LTE - Boston Market (all of Massachusetts)

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finally getting some good speeds on 3G around dorchester 1580kbps down 760kbps up

for the past few months i was getting 10 down 200 up

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At MGH today and useable data 95ms ping 1.2 Mbps up .65 down

 

You can usually do better than that - it's always fast there (fruit street location, I am assuming).

 

What's strange is, EVDO Rev A actually shows higher peak speeds.

 

Same tower, same time, same location, EVDO Rev A can always hit between 2200-2600. When I switched to eHRPD, speeds topped out in the 1800's.

 

Very strange indeed. Watching the the speed test, it looks controlled. EVDO RevA will be a flat line of steady streaming data. eHRPD spikes around. There definitely seems to be some sort of traffic controlling going on. Obviously 1800 vs. 2500 isn't a HUGE difference, but still worth noting that eHRPD seems to have traffic management going on.

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You can usually do better than that - it's always fast there (fruit street location' date=' I am assuming).

 

What's strange is, EVDO Rev A actually shows higher peak speeds.

 

Same tower, same time, same location, EVDO Rev A can always hit between 2200-2600. When I switched to eHRPD, speeds topped out in the 1800's.

 

Very strange indeed. Watching the the speed test, it looks controlled. EVDO RevA will be a flat line of steady streaming data. eHRPD spikes around. There definitely seems to be some sort of traffic controlling going on. Obviously 1800 vs. 2500 isn't a HUGE difference, but still worth noting that eHRPD seems to have traffic management going on.[/quote']

 

Is it possible that you are getting eHRPD from a different site than the EVDO at that location? Just thinking of possibilities.

 

Robert via Samsung Galaxy S-III 32GB using Forum Runner

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Is it possible that you are getting eHRPD from a different site than the EVDO at that location? Just thinking of possibilities.

 

Robert via Samsung Galaxy S-III 32GB using Forum Runner

 

I'll have a full comparative analysis tonight if you are curious.

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I'll have a full comparative analysis tonight if you are curious.

 

Great. FYI, CDMA Field Test will produce a handy log with each record listing connection type, signal strength, BSIDs, etc. You have to actually export the log to see all that detail chronologically.

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Is it possible that you are getting eHRPD from a different site than the EVDO at that location? Just thinking of possibilities.

 

Robert via Samsung Galaxy S-III 32GB using Forum Runner

 

This is strange... eHRPD is, without a doubt, slower. It seems like it is capped around 1850 or so. Oddly enough, the uploads are faster.

 

When the speedtest first starts, it shoots past 2000, then bounces around, then sort of settles, stuttering at 1850 or so.

 

Pings are better though...

 

I need to finish testing and make sure that it is in fact the same site, which is likely, because the site is right outside my window and my signal strength is exactly the same.

 

 

eHRPD vs. EVDO REV A - Same exact site

7701927414_46f9e8beea.jpg

7701927738_54075395a8.jpg

7701928974_9d7f596eb1.jpg

7701925402_abaefce667.jpg

7701925848_30ea21e71a.jpg

7701926564_8faf2435ca.jpg

 

 

 

The other thing that is absolutely amazing is that eHRPD (as Robert has already said) is a totally different network. I was running some traceroutes and it's completely different.

eHRPD:

144.224.112.17

sl-gw20-hrs-10-0-0.sprintlink.net

109.598, 88.051, 87.868

144.232.7.133

sl-crs1-hrs-0-0-2-0.sprintlink.net

87.807, 91.134, 90.371

144.232.24.97

sl-crs1-nyc-0-6-0-0.sprintlink.net

90.187, 87.197, 87.075

74.125.49.212

74.125.49.212

69.312, 74.226, 74.104

209.85.248.180

209.85.248.180

73.493, 69.006, 66.809

72.14.239.252

72.14.239.252

71.174, 74.713, 68.151

74.125.226.228

lga15s29-in-f4.1e100.net

75.935, 80.268, 73.310

EVDO RevA:

144.232.18.206

sl-crs1-nyc-0-8-0-1.sprintlink.net

131.696, 126.263, 126.141

144.232.18.206

sl-crs1-nyc-0-8-0-1.sprintlink.net

145.247

74.125.49.212

74.125.49.212

127.789

144.232.13.42

sl-crs1-nyc-0-0-0-1.sprintlink.net

136.945

74.125.49.212

74.125.49.212

129.406, 154.463

209.85.248.180

209.85.248.180

156.112

72.14.239.252

72.14.239.252

132.214, 125.073

209.85.248.180

209.85.248.180

129.071

72.14.239.252

72.14.239.252

117.991, 94.613, 122.997

74.125.226.232

lga15s29-in-f8.1e100.net

103.616, 98.550, 106.852

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This is strange... eHRPD is' date=' without a doubt, slower. It seems like it is capped around 1850 or so. Oddly enough, the uploads are faster.

 

When the speedtest first starts, it shoots past 2000, then bounces around, then sort of settles, stuttering at 1850 or so.

 

Pings are better though...

 

I need to finish testing and make sure that it is in fact the same site, which is likely, because the site is right outside my window and my signal strength is exactly the same.[/quote']

 

Have you noticed this phenomenon at several eHRPD sites? Its possible they are limiting core traffic as they are getting things online. With switches, each site was only connected to its dedicated switch. But with eHRPD and LTE, the network is dynamic. Each site can be routed to several different cores based on traffic. Its possible since only a handful of cores are complete and ready now, maybe they are limiting traffic? I don't know. Interesting.

 

Robert via Samsung Galaxy S-III 32GB using Forum Runner

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Have you noticed this phenomenon at several eHRPD sites? Its possible they are limiting core traffic as they are getting things online. With switches, each site was only connected to its dedicated switch. But with eHRPD and LTE, the network is dynamic. Each site can be routed to several different cores based on traffic. Its possible since only a handful of cores are complete and ready now, maybe they are limiting traffic? I don't know. Interesting.

 

Robert via Samsung Galaxy S-III 32GB using Forum Runner

 

I've never had any other sprint site just spit out such consistent speedtests (and I've looked). I don't think I could find another location where I can actually max out legacy hardware on a consistent basis. I really wonder how many EVDO carriers Sprint installed at this location because this is downtown boston - there is definitely traffic - but it NEVER slows down.

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I've never had any other sprint site just spit out such consistent speedtests (and I've looked). I don't think I could find another location where I can actually max out legacy hardware on a consistent basis. I really wonder how many EVDO carriers Sprint installed at this location because this is downtown boston - there is definitely traffic - but it NEVER slows down.

 

Another thought...have you tried several speed test servers on eHRPD? The 4G core's connection to the backbone will be completely different than the switch. So the ideal server for each is likely to be different. Because they will have completely different routes to the internet.

 

Robert via Samsung Galaxy S-III 32GB using Forum Runner

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Another thought...have you tried several speed test servers on eHRPD? The 4G core's connection to the backbone will be completely different than the switch. So the ideal server for each is likely to be different. Because they will have completely different routes to the internet.

 

Robert via Samsung Galaxy S-III 32GB using Forum Runner

 

Definitely agree on the routing. The new switches have far superior routing... but the speeds stay the same. No matter what (good) speedtest server I use, the behavior is exactly the same.

 

Everything on eHRPD does the same thing - starts off bouncing over 2mbit, then just sort of jumps around and lands in the 1800 range or so. It wants to go faster, but it can't, heh.

 

I am thinking about taking a video so you can see, it's almost comical.

 

Maybe I'll hunt for some other solid sites around Boston. I am sure I can find one - I'll see if this is typical or not.

 

The other thing that is weird is my phone loses eHRPD all the time and falls back to EVDO REVA. I have to toggle to CDMA and CDMA/LTE to get it back. Not sure why.

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Getting 1200 down, eHRPD @ -98 dbm in Arlington MA. Signal isn't improved, but speed sure as hell is.

 

Another thing I just noticed is I'm pulling 3000 down on my airave. It used to be capped at 1500...

 

Sent from my SPH-L710 using Tapatalk 2

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Just ran a speed test @ south station. Avg. 1.5 down .9 up. (eHRPD)

 

Last time I ran it which was towards beginning of this week, it was connected Evdo Rev A.

Actual speed did not change from when it was connecting Evdo. But glad to see another eHRPD site up and running.

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Slightly off topic, but on topic. I'm glad people here are reporting these kind of speeds and user experiences. It makes this whole Sprint Network Project so worthwhile that there is real ROI.

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Slightly off topic, but on topic. I'm glad people here are reporting these kind of speeds and user experiences. It makes this whole Sprint Network Project so worthwhile that there is real ROI.

So is our Roy (muffin man) not real?

 

Sent from my EVO using Tapatalk 2

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So is our Roy (muffin man) not real?

 

Sent from my EVO using Tapatalk 2

 

I don't get the joke.

 

Robert via CM9 Kindle Fire using Forum Runner

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The speeds in Boston have been really bad lately. Just dying for 4g to light up on my phone. it does suck that right now i can barely use the internet if im in or around Boston. Def looking at it as a good sign that LTE work is getting done.

 

When I was last in Boston proper about 2-3 months ago 3G and WiMAX was blazing fast. I was pulling about 7-12Mbit/s down on WiMAX and 0.60-1.5Mbit/s on 3G which is more than adequate.

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When I was last in Boston proper about 2-3 months ago 3G and WiMAX was blazing fast. I was pulling about 7-12Mbit/s down on WiMAX and 0.60-1.5Mbit/s on 3G which is more than adequate.

 

Speeds in Boston are extremely variable. One site can be blazing fast, the next one over, extremely slow.

 

It's very strange.

 

WiMAX speeds are pretty good in Boston, but the coverage is swiss cheese.

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Getting 2mb down and 1mb up in southern tewksbury, I'm guessing my tower was upgraded, but S4GRU told me my area was TBD :). Hoping to see the 4G sign at the end of the month!

 

By the way, whats the name of the app that gives you information on thw tower your connected to?

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You should see NYC WiMAX coverage...but I digress.

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Speeds in Boston are extremely variable. One site can be blazing fast, the next one over, extremely slow.

 

It's very strange.

 

WiMAX speeds are pretty good in Boston, but the coverage is swiss cheese.

 

Got .01 4g WiMax at Fenway, i'm guessing that could've been because so many people in one place.

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Getting 2mb down and 1mb up in southern tewksbury' date=' I'm guessing my tower was upgraded, but S4GRU told me my area was TBD :). Hoping to see the 4G sign at the end of the month!

 

By the way, whats the name of the app that gives you information on thw tower your connected to?

 

Correction...schedule info comes directly from Sprint. Sprint schedule database said TBD. TBD just means that the person doing the data entry didn't have info about the site at the time they were entering in the data.

 

We shouldn't read anything into a date marked TBD. It doesn't necessarily mean it's far out.

 

Robert via CM9 Kindle Fire using Forum Runner

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Correction...schedule info comes directly from Sprint. Sprint schedule database said TBD. TBD just means that the person doing the data entry didn't have info about the site at the time they were entering in the data.

 

We shouldn't read anything into a date marked TBD. It doesn't necessarily mean it's far out.

 

Robert via CM9 Kindle Fire using Forum Runner

 

Thanks :)..... And do you know of the app name that tells you the tower # your connected to?

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Thanks :)..... And do you know of the app name that tells you the tower # your connected to?

 

There is no app that will provide you the actual Sprint Site ID numbers. But there are apps that will give you a BSID number for the sector you are on at a specific site. Apps like CDMA Field Test. However, it only works for the 1x carrier, not the EVDO carrier.

 

You can also get the same information from your Debug Menu, by entering ##DEBUG# in your phone dialer.

 

Robert via CM9 Kindle Fire using Forum Runner

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I got live 4G LTE tonight in Tewksbury around 7pm!! I was on Route 38 and likely hitting the tower at the Wynn School on Griffin Way, which I know has been worked on. Signal was strong and LTE held steady until I left the area. Speeds were very good.. screenshots attached. Even if its only temporary (?), still a great sign!

 

-Mike

 

ad4cabd0-7170-d3f4.jpgad4cabd0-717d-152c.jpg

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Everything on eHRPD does the same thing - starts off bouncing over 2mbit, then just sort of jumps around and lands in the 1800 range or so. It wants to go faster, but it can't, heh.

 

Now that they have some headroom they're almost certainly bursting before throttling to sustained speeds. This accelerates many common use cases (email updates, html downloads, Google results) without choking capacity with large sustained downloads. Its super smart, giving a much better general user experience the majority of the time. Cable internet providers have been doing it for years.

 

Sent from my SPH-L710 using Tapatalk 2

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      Ericsson RRUS31 B25 + RRUS11 B26
      These are the newest and greatest remote radio units to come from Ericsson. 

      The new Ericsson RRUS31  B25 should be fairly distinctive compared to the earlier RRUS11s and now the RRUS12s being deployed by ATT and Verizon. One of these new RRUS31s can do the job of two earlier RRUS11s thus reducing deployment costs for Sprint and complexity in deploying new sites and making it easier for users to spot as there are now 4 jumpers coming out of one RRUS31 rather than two from each RRUS11 that Ericsson originally deployed. 

      All future deployments will be utilizing the new Ericsson RRUS31s. In addition Ericsson are sending crews to their original deployments and swapping out older RRUS11s for these new RRUS31s due to the aforementioned fact that one RRUS31 can do the job of 2 RRUS11s. Weight savings will be significant at sites where there are 4 or 5 RRUS11 B25s that can be replaced by one or 2 RRUS31s. The Ericsson RRUS31 deployment project is known as the 65 Mhz Project. 

       

      Ericsson RRUS11 B26 top and RRUS31 B25 bottom

       

       
      Ericsson High Capacity / 4x4/2 MIMO Deployment
      Note the additional antenna + PCS radio.
      Previously Ericsson utilized additional PCS radios and used RF combiners for high capacity setups where they utilized three or more PCS radios. This new setup will utilize a completey new antenna + radio set just like Samsung and run 4x2 MIMO on the LTE antenna / radio set. 
       

       

       

       
      Ericsson RRUS11 B25 [EOL'd] and B26
      A standard Ericsson Network Vision 1.0 site with 3 RRUS11s where two are dedicated to PCS and one to SMR.  

      This type of setup is no longer deployed or utilized in new sites. Existing sites will be slowly converted to newer RRUS31 B25 via the Sprint 65 mhz project. 


       
      Ericsson NV high capacity site [EOL'd]
      3 or 4 PCS RRUs are present for a total of 4 or 5 RRUS11s per antenna. 


       

       

       
      Close up of Antennas
       

       
      Ericsson cabinets 
      (center)



      All credit to those who took the photographs. They know who they are!
       
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