Jump to content

Network Vision/LTE - New York City Market


Ace41690

Recommended Posts

There is one spot in Queens that seems to have stayed in 3G limbo hell. near the corner of Lefferts Blvd and Jamaica Ave. Specifically in the parking lot of Keyfood about half a block away. No matter the circumstances or time of day, LTE is fine all around (according to Sensorly) the area but the minute I go to that section/parking lot it drops back to 3G. :hmm:

You know, after using a spectrum analyzer for a month, you start noticing places that have really bad interference. Though this may not be the case in the area you reference, I have just been shocked at the dozens of locations around my city where there is bad interference into AT&T channels. Places where I've had unexplainable zero/poor signals or really slow data.

 

It always confounded me how I thought maybe there was a bad sector that I would have problematic speeds on one particular sector sometimes. But I found out in some cases, it wasn't the sector. It was the location. Move 1/2 mile away in the same sector on the same carrier and it works well. It was the interference drowning out my signal.

 

The worst spots are where AT&T and VZW are colocated. VZW power signals are noticeably higher and their filtering seems to be less existent. Near AT&T sites, the AT&T channels go straight up and down at the edge of their spectrum license, with very little bleed over to adjacent channels. VZW sites don't do that in my area. They taper off at 30° and bleed into adjacent channels. The farther you get away from the VZW site, the less the interference. But AT&T and VZW are right next to each other spectrally in almost every band in my area.

 

If you are within 500' of a VZW site, there will a noticeable drop in performance on adjacent AT&T Cellular, AWS and 700MHz channels. And if you're next to the VZW site, your AT&T data may even time out. If AT&T can filter the edge of their channels so well that they are almost straight vertical on the spectrum analyzer with little noise bleed over, VZW could do the same. Seems like AT&T should complain to the FCC.

 

That being said, there are many more pockets of interference beyond just other providers. I have found about two dozen around my city of varying sizes from a few thousand square feet to several blocks.

 

Robert via Samsung Note 8.0 using Tapatalk Pro

  • Like 5
Link to comment
Share on other sites

Oh please. Someone tweet him.

Tweet what Rob just said? I could but how would you title it in 140 characters or less? I could take a screen shot of the post make it into an image and post that instead with a link to the post.

 

TS

Link to comment
Share on other sites

Tweet what Rob just said? I could but how would you title it in 140 characters or less? I could take a screen shot of the post make it into an image and post that instead with a link to the post.

 

TS

What did I say??? *looks around*

 

Robert via Samsung Note 8.0 using Tapatalk Pro

  • Like 2
Link to comment
Share on other sites

There is one spot in Queens that seems to have stayed in 3G limbo hell. near the corner of Lefferts Blvd and Jamaica Ave. Specifically in the parking lot of Keyfood about half a block away. No matter the circumstances or time of day, LTE is fine all around (according to Sensorly) the area but the minute I go to that section/parking lot it drops back to 3G.  :hmm:

 

I need to look that up. 

Link to comment
Share on other sites

In the middle of the South Bronx there's still mostly 3G non-NV coverage.  It's frustrating.  I work near 3rd Ave and Tremont, and the 3G is abysmal.  There might be B41 but I have a single-band phone (which I love... not the biggest fan of Samsung but with my Note 3 I do voice and data simultaneously for work).

FYI just as an update im in the area and averaged about a -105dBm on B41 speeds were between 18-25mb/s.

 

UPDATE: I drove further east on Tremont and lost LTE for a few minutes. There is a small gap of 3G only sites that need upgrading on Grand Concourse and Webster. But B41 off of Webster ave fills in some of that gap, it definitely is wider on B25 only devices.

  • Like 3
Link to comment
Share on other sites

FYI just as an update im in the area and averaged about a -105dBm on B41 speeds were between 18-25mb/s.

 

UPDATE: I drove further east on Tremont and lost LTE for a few minutes. There is a small gap of 3G only sites that need upgrading on Grand Concourse and Webster. But B41 off of Webster ave fills in some of that gap, it definitely is wider on B25 only devices.

 

Ah yes you've encountered exactly near where I work.  The 3G/800 site is on a giant yellow and green building up against the Cross Bronx, and as that area forms a nice little "valley" it's all we get service for.  There are nearby sites that aren't broadcasting 360 degrees so I'm stuck with this tower.  Except while at work on the 4th floor, I have a better connection to sites on the other side of the hill for Tremont Park.

 

The NV upgrades on that 3G/800 site though have done wonders for voice service in the school I work in.  We get PCS voice service everywhere in our building now including the elevators and basement level.  Prior to that site getting updated, forget about service on the basement or first levels.

 

I think since this is a public forum I can't list the tower IDs publicly, so I'll shoot you a direct message with it.

 

Regarding where I regularly travel in NYC (East Harlem, South Bronx, Fordham area, and the 4 line in the Bronx) speeds are getting much better on B25, which I'm guessing is due to more B26 and B41 offloading.

  • Like 2
Link to comment
Share on other sites

Sprint finally turned on Band 26 for my home. My house eats up the signal just like nearly any brownstone would but speeds are great. PCS used to give me 1-2Mbps down and under 1Mbps up. SMR is giving me 6-7 down and 1-2 up.

 

Signal ranges anywhere from -106 to -111dbm on Band 26.

 

Band 25 is typically -110 to -117dbm. This may be adjusted but I'm not sure yet.

  • Like 4
Link to comment
Share on other sites

Drove from Walmart in Valley Stream, back home to Crown Heights and didn't drop LTE once according to Sensorly. rFaosED.png?1

I really hope ios gets opened up enough for sensorly to utilize how many iPhones there are out there! I would gladly do mapping everywhere I went.

 

 

Sent from my iPhone 5s using Tapatalk

  • Like 2
Link to comment
Share on other sites

Drove from Walmart in Valley Stream, back home to Crown Heights and didn't drop LTE once according to Sensorly.

Hows that Walmart out there, was considering heading to the one in white plains for a few things but its pretty limited.
Link to comment
Share on other sites

I usually compare the Walmart over in Lodi, NJ as the litmus test of Walmarts. Big, with a food center. The one in Valley Stream was recently updated and I can say its as close if not the same size as the one in Lodi. There used to be a Pet store and National Liquidators next to them. They closed and Walmart expanded into their space, basically doubling the size. 

 

TS

  • Like 1
Link to comment
Share on other sites

Hows that Walmart out there, was considering heading to the one in white plains for a few things but its pretty limited.

DON'T GO! It's so bad, and not only because it's back to school/college season. It's also bad because of how ghetto it is. A lot of the employees have bad attitudes and are super unprofessional.

  • Like 1
Link to comment
Share on other sites

Really, I went last 2 weeks ago and it was really nice and this past weekend also and it was busier than before because of the kids, but I didn't encounter any bad attitudes on both occasions. Then again, kid shopping will bring the worst in folks. lol

 

I guess it also depends on the time one goes. I usually go early.

 

TS

  • Like 2
Link to comment
Share on other sites

Ok so I got the iPhone from tmoble to test drive today. I'll start with speed at my apartment. I live next to luna park in Brooklyn. Speeds inside are very similar between sprint and t mobile. Average is around 3-5 mb/s. I went outside for some time to see how it was around the neighborhood. Basically they are good in different areas, one place sprint would get 14mbs and tmoble would get 4mbs. Another place it would be reversed. Though I did notice that tmoble has better coverage on the boardwalk. So far not totally impressed with tmoble considering I'm not even using a triband phone. I'll see how speed is at work on Monday and will update.

  • Like 5
Link to comment
Share on other sites

Ok so I got the iPhone from tmoble to test drive today. I'll start with speed at my apartment. I live next to luna park in Brooklyn. Speeds inside are very similar between sprint and t mobile. Average is around 3-5 mb/s. I went outside for some time to see how it was around the neighborhood. Basically they are good in different areas, one place sprint would get 14mbs and tmoble would get 4mbs. Another place it would be reversed. Though I did notice that tmoble has better coverage on the boardwalk. So far not totally impressed with tmoble considering I'm not even using a triband phone. I'll see how speed is at work on Monday and will update.

 

Keep us updated about speeds and signal strength!

Link to comment
Share on other sites

Ok so I got the iPhone from tmoble to test drive today. I'll start with speed at my apartment. I live next to luna park in Brooklyn. Speeds inside are very similar between sprint and t mobile. Average is around 3-5 mb/s. I went outside for some time to see how it was around the neighborhood. Basically they are good in different areas, one place sprint would get 14mbs and tmoble would get 4mbs. Another place it would be reversed. Though I did notice that tmoble has better coverage on the boardwalk. So far not totally impressed with tmoble considering I'm not even using a triband phone. I'll see how speed is at work on Monday and will update.

That's so weird... I just got my iPhone 5s test drive today also and I live 2 blocks away from luna Park... I consistently get 15 to 20mbps with my nexus 5 on band 41..tried the T-Mobile lte on the iPhone and got 8 to 18mbps but the upload on T-Mobile was a lot faster.. 10 to 15mbps vs sprints 5mbps..was gonna put the sim in my nexus 5 but needed a nano to micro sim adapter -_-
Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


  • large.unreadcontent.png.6ef00db54e758d06

  • gallery_1_23_9202.png

  • Similar Content

    • By danlodish345
      Even though Sprint doesn't have the best coverage in my area. I do have lots of memories and nostalgia with the company. I wonder who else here will miss Sprint besides me?
    • By vanko987
      I'm new to this forum, and I've seen people mention cell sites with specific ID's (for example, SF33XC664). Is there any significance to these ID's, and is there a way to decode them? Also, how do I figure out what the cell site ID's are for towers near me?
      Thanks! I'm excited to start talking on this site more 😀
    • By lilotimz
      Samsung Network Vision equipment are highly distinct and fairly easy to spot compared to the equipment that other vendors are deploying. Sprint is Samsung's first extremely massive American contract (baring Clearwire) so there  should be no issues in confusing these equipment for another carrier which happens often with Ericsson NV equipment.

      Below are images of Samsung equipment which includes antennas, remote radio units, base stations, and their mounting configurations. 
       
      Samsung antenna with eSMR 800 RRU & PCS 1900 RRU

      A close look at a Samsung setup





      Next Generation Samsung Configuration
      RRH-P4 4T4R 1.9 GHz  | RRH-C4 4T4R 800 MHz| RRH-V3 2.5 GHz

      Next Generation 8 Port Dual Band Antenna Setup 
      4 port 800 MHz RRH-C4 800

      (source: dkyeager)

      (source: dkyeager)
      Narrow beam setup

      High Capacity Site with 2 Antennas & 3 RRUs (2x PCS & 1x SMR).
      Second antenna is PCS only for now.


      Canadian IBEZ (NO SMR)

      Special Case PCS Only Setup for Canadian IBEZ




      Close up of standard antenna connectors 

      Samsung Cabinets

       
       
      Powerpoint slides from Samsung / Sprint
      *disclaimer - all  powerpoint diagrams and images were found through public municipality online databases and is by no means misappropriated through malicious means*
      *Credit goes to those whom took pictures of these equipment. You know who you are*
    • By kckid
      Sprint announced at MWC trade show in Barcelona that 5G will go live with 4 cities starting in May  (Chicago, Atlanta, Dallas and Kansas City )
      https://phys.org/news/2019-02-sprint-5g-network-chicago-atlanta.html
       
  • Posts

    • At least a few sites in STL are now at 100 MHz.
    • 100 MHz n41 is live in Austin and...Bentonville, Arkansas. Guessing this went live on Tuesday or Wednesday in Austin; network was acting a bit wonky on Tuesday. Noticed it yesterday, as I'm still a little too far away at home to catch n41. Peak speed in Bentonville 1/3 mi from the site was 675-700 Mbps down, 80-90 Mbps up, with the upload speed only possible with a 20 MHz B66 anchor...which seems congested at times. They also have 5 MHz B2 here as an anchor, which predictably leads to slow uploads. n71 is 15x15 here. Sprint B25 is two 5x5 channels. Weirdly, seems like I'm being routed through Nashville, so latency is rather high, and tethering performance is somehow quite poor...maybe it's due to congestion on the PCC meaning that the difference between on-phone and tethered priority is the difference between a usable connection and...not. Also, VZW (with the old Alltel SID for CDMA) is what you end up using inside the Crystal Bridges museum, though the area has WiFi so not the end of the world.
    • The Sprint site at 520/202 was decommissioned a few weeks ago. Everything was pulled off the pole. 
    • It looks like N5 supports 5, 10, 15, and 20 MHz channel widths. I wonder how long they'll wait before they make a change to be able to use more of that spectrum for N5. Possible options I see: Use 15x15 as B26/N5 using DSS (If thats an option, or would it have to match and be N26?) 5x5 as B5 LTE for older phones and that still leaves 5x5 for HSPA.  A more aggressive option would be to use 20x20 for N5 exclusively and 5x5 for HSPA. This still leaves 10x10 B12 and 10x10 B14 for older phones for low band. Hopefully they enable SA if they go this route. Since I believe you can't aggregate low band LTE with low band NR in most cases, phones using the N5 carrier would not be touching the B12 and B14 carriers. If they enable SA on the 20x20 N5 carrier it would also help free up their limited midband spectrum for older non-NR phones. That would also prevent falling back to LTE only inside a building just because the mid-band anchor band was too weak. In Daytona AT&T was broadcasting 5x5 B2, 10x10 B66, and 10x10 B30 and that was it for midband. 
    • I've found 2 decommissioned Sprint sites in Louisville, both were sites with both T-Mobile and Sprint. In both cases all Sprint tower equipment including the rack were removed. I haven't had time to dig through our permit site to see if I can find anything, but I'll be surprised if I do. 
  • Recently Browsing

×
×
  • Create New...