Jump to content

Network Vision/LTE - Jacksonville Market (including Gainesville/St. Augustine/Ocala)


Syph3r

Recommended Posts

Why does tmobiles band 12 go futher than GSM/HSPA? I'll have no service on GSM/HSPA and 119-125dbm on band 12. I think it has something to do with volte.

700 MHz travels better even with LTE's fragile air interface. I'm still in 1900 MHz LTE/GSM land here as part of my trial of the $30 TMo SIM and even the 1900 LTE does a better job here than I thought it would. It travels, by my guess, 90% of the distance GSM 1900 travels.

  • Like 1
Link to comment
Share on other sites

700 MHz travels better even with LTE's fragile air interface. I'm still in 1900 MHz LTE/GSM land here as part of my trial of the $30 TMo SIM and even the 1900 LTE does a better job here than I thought it would. It travels, by my guess, 90% of the distance GSM 1900 travels.

I wish Sprints LTE 800 traveled as far as their 1900 EvDo. Do you know why EvDo travels so much further from the same sites?

 

Sent from my M8

  • Like 1
Link to comment
Share on other sites

I wish Sprints LTE 800 traveled as far as their 1900 EvDo. Do you know why EvDo travels so much further from the same sites?

 

Sent from my M8

Where I live 800 travels farther than 1900 but 700 goes even further. Especially band 12 700a.

 

Sent from my Nexus 5 using Tapatalk

Link to comment
Share on other sites

Isn't band 12 700Mhz, vs 1700 for HSPA?

2100 for downlink and 1700 for uplink. I'm saying T-Mobile will lose 3g before it loses lte. But Verizon and Sprint will lose LTE and still have decent voice or even evdo coverage. Is CDMA that much better than GSM?

 

Sent from my Nexus 5 using Tapatalk

  • Like 1
Link to comment
Share on other sites

Where I live 800 travels farther than 1900 but 700 goes even further. Especially band 12 700a.

 

Sent from my Nexus 5 using Tapatalk

Part of this could that the device recognizes that lte is the only signal availible. That happens on my phone. I connect to a -120 dbm clearwire signal where sprints coverage is bad but if clearwire signal gets too low then i get no signal since there is no 3g network available . I think since the phone knows there is no other network to connect to it just holds onto the week lte signal.

 

Sent from my SM-G925P using Tapatalk

  • Like 1
Link to comment
Share on other sites

Part of this could that the device recognizes that lte is the only signal availible. That happens on my phone. I connect to a -120 dbm clearwire signal where sprints coverage is bad but if clearwire signal gets too low then i get no signal since there is no 3g network available . I think since the phone knows there is no other network to connect to it just holds onto the week lte signal.

 

Sent from my SM-G925P using Tapatalk

This makes complete sense. If I go to LTE only mode on any device it holds on to LTE for dear life even at 130dbm. This makes T-Mobile look superior to Sprint even though it's not from a overall coverage stand point. The average customer would be quick to say T-Mobile has more LTE coverage because of this.

 

Sent from my Nexus 5 using Tapatalk

  • Like 3
Link to comment
Share on other sites

This makes complete sense. If I go to LTE only mode on any device it holds on to LTE for dear life even at 130dbm. This makes T-Mobile look superior to Sprint even though it's not from a overall coverage stand point. The average customer would be quick to say T-Mobile has more LTE coverage because of this.

 

Sent from my Nexus 5 using Tapatalk

Ya i have a tmobile tablet and i go lots of places where they dont have a hspa network only edge and lte and and since the tablet isnt compatible with edge it will hold onto lte until about -125 to -130 dbm. The bright side is that i hardly lose lte that way but its not really real signal either cuz its pretty much unusable

 

Sent from my SM-G925P using Tapatalk

Link to comment
Share on other sites

Ya i have a tmobile tablet and i go lots of places where they dont have a hspa network only edge and since the tablet isnt compatible with edge it will hold onto lte until about -125 to -130 dbm. The bright side is that i hardly lose lte that way but its not really real signal either cuz its pretty much unusable

 

Sent from my SM-G925P using Tapatalk

From my experience T-Mobile is usable on band 4 even at 130 dbm. It's happened on a few occasions. I couldn't believe I could still get 4-6mbps on -130dbm and 1.6 snr.

 

Sent from my Nexus 5 using Tapatalk

  • Like 1
Link to comment
Share on other sites

EV-DO is still, for all it's flaws, pretty robust as far as air interfaces go. That's a big part of why Sprint picked CDMA over GSM. They had a GSM network in DC and sold it to Omnipoint. For PCS, CDMA served Sprint well. The problem is people compare CDMA to UMTS which is GSM core and CDMA-based air interface. People associate GSM with being superior because of UMTS, but there's a good chance UMTS doesn't work as well without the work done on CDMA. UMTS was just a later version of CDMA2000 that went back and added things like wider channels, simultaneous voice and data, SIM cards, and global compatibility.

Link to comment
Share on other sites

From my experience T-Mobile is usuable on band 4 even at 130 dbm. It's happened on a few occasions. I couldn't believe I could still get 4-6mbps on -130dbm and 1.6 snr.

 

Sent from my Nexus 5 using Tapatalk

Ya i dont know how but tmobile always has amazing snr. Even on towers where sprint and tmobile are co-located tmobile almost always blows sprints snr out of the water. And ya for me it's really hit or miss to use a 130 dbm signal. Sometimes it works no prob but other times i misewell have no connection

 

Sent from my SM-G925P using Tapatalk

  • Like 1
Link to comment
Share on other sites

Ya i dont know how but tmobile always has amazing snr. Even on towers where sprint and tmobile are co-located tmobile almost always blows sprints snr out of the water. And ya for me it's really hit or miss to use a 130 dbm signal. Sometimes it works no prob but other times i misewell have no connection

 

Sent from my SM-G925P using Tapatalk

At my house tmobile snr is constantly in the 20's. Sprint is 13-25 varies alot more.

 

Sent from my Nexus 5 using Tapatalk

Link to comment
Share on other sites

Ya i dont know how but tmobile always has amazing snr. Even on towers where sprint and tmobile are co-located tmobile almost always blows sprints snr out of the water. And ya for me it's really hit or miss to use a 130 dbm signal. Sometimes it works no prob but other times i misewell have no connection

 

Sent from my SM-G925P using Tapatalk

At my house tmobile snr is constantly in the 20's. Sprint is 13-25 varies alot more.

 

Sent from my Nexus 5 using Tapatalk

4x2MIMO and wider LTE channels on AWS does that.

 

Sprint runs 2x2 on band 25 and also since it's only a 5x5MHz carrier it is more susceptible to interference.

 

Only band 41 has higher order MIMO and beamforming.

  • Like 2
Link to comment
Share on other sites

I agree that T-Mobile devices holds on the signals for dear life. I bought my son a Samsung Galaxy Core Prime on MetroPCS. His device on AWS lte holds signal better than Sprints band 26. I've seen his phone sit at -130db without dropping.

 

Sent from my Nexus 6

  • Like 1
Link to comment
Share on other sites

I agree that T-Mobile devices holds on the signals for dear life. I bought my son a Samsung Galaxy Core Prime on MetroPCS. His device on AWS lte holds signal better than Sprints band 26. I've seen his phone sit at -130db without dropping.

 

Sent from my Nexus 6

4x2 MIMO and wider channels allows the noise to be drown out into sub channels, I believe. So that's why a wide LTe channel like T-Mobile's 20MHz is still usable at those levels.

 

Sent from my M8

Link to comment
Share on other sites

Why does tmobiles band 12 go futher than GSM/HSPA? I'll have no service on GSM/HSPA and 119-125dbm on band 12. I think it has something to do with volte.

Nothing to do with VoLTE. WCDMA (HSPA/HSPA+) only slightly will travel further than LTE when deployed on the same Band. WCDMA needs a robust signal, just like LTE. So it is no surprise whatsoever that B12 LTE (700) travels further than Band 4 WCDMA (AWS). Especially considering Tmo really cranks up the transmit power on their LTE radios.

 

Using Tapatalk on BlackBerry Z30

  • Like 1
Link to comment
Share on other sites

Nothing to do with VoLTE. WCDMA (HSPA/HSPA+) only slightly will travel further than LTE when deployed on the same Band. WCDMA needs a robust signal, just like LTE. So it is no surprise whatsoever that B12 LTE (700) travels further than Band 4 WCDMA (AWS). Especially considering Tmo really cranks up the transmit power on their LTE radios.

 

Using Tapatalk on BlackBerry Z30

No I'm saying 700 is traveling further than hspa+/GSM. I will have 0 signal on 2G and 3G but still have a faint 700 signal.

 

Sent from my Nexus 6 using Tapatalk

Link to comment
Share on other sites

No I'm saying 700 is traveling further than hspa+/GSM. I will have 0 signal on 2G and 3G but still have a faint 700 signal.

 

Sent from my Nexus 6 using Tapatalk

Re-read what I said. I explained why the 700 LTE is travelling farther than the AWS WCDMA. WCDMA and HSPA/HSPA+ are the same thing.

 

Using Tapatalk on BlackBerry Z30

  • Like 1
Link to comment
Share on other sites

Re-read what I said. I explained why the 700 LTE is travelling farther than the AWS WCDMA. WCDMA and HSPA/HSPA+ are the same thing.

 

Using Tapatalk on BlackBerry Z30

Ah I read that way to fast. I see the error.

 

 

Sent from my Nexus 6 using Tapatalk

  • Like 1
Link to comment
Share on other sites

Re-read what I said. I explained why the 700 LTE is travelling farther than the AWS WCDMA. WCDMA and HSPA/HSPA+ are the same thing.

 

Using Tapatalk on BlackBerry Z30

I believe at one point AJ said HSPA+ is the most stable technology, if all technologies were on the same frequency, broadcasted on the same site. Any ideas how to find out more on this? What makes LTE more fragile?

 

Sent from my M8

Link to comment
Share on other sites

I believe at one point AJ said HSPA+ is the most stable technology, if all technologies were on the same frequency, broadcasted on the same site. Any ideas how to find out more on this? What makes LTE more fragile?

 

Sent from my M8

LTE is more fragile by design. It trades the larger coverage area for higher order modulation and thus higher throughput.
  • Like 2
Link to comment
Share on other sites

I believe at one point AJ said HSPA+ is the most stable technology, if all technologies were on the same frequency, broadcasted on the same site. Any ideas how to find out more on this? What makes LTE more fragile?

 

Sent from my M8

I'm not sure what stable means in the instance. WCDMA, like all high throughput wireless technologies, requires a robust signal. It's trying to transfer millions of bits of data through the air.

 

I can tell you, at best, WCDMA has a 10% signal propagation advantage over LTE when all other things are equal, like band and transmission power. As the signal degrades, performance degrades. In places where WCDMA uses a lower QAM, you may be able to use WCDMA better at the edge of service than LTE, albeit at severely reduced performance. But where WCDMA and LTE are deployed using the same QAM, you can expect similar signal and usability.

 

WCDMA acts much more like LTE than EVDO.

 

Using Tapatalk on BlackBerry Z30

  • Like 4
Link to comment
Share on other sites

4x2 MIMO and wider channels allows the noise to be drown out into sub channels, I believe. So that's why a wide LTe channel like T-Mobile's 20MHz is still usable at those levels.

 

Sent from my M8

If carriers had 40mhz of 700mhz spectrum deployed with 4x4 MIMO their coverage would be amazing. As far as having wider channels that's definitely true because when I'm connected to 88ers the signal strength is very close to band 25 LTE.

 

Sent from my Nexus 6

  • Like 1
Link to comment
Share on other sites

If carriers had 40mhz of 700mhz spectrum deployed with 4x4 MIMO their coverage would be amazing. As far as having wider channels that's definitely true because when I'm connected to 88ers the signal strength is very close to band 25 LTE.

 

Sent from my Nexus 6

4x4MIMO is not possible on 700 because there is not enough spatial diversity on the handset side.
  • Like 1
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

  • Posts

    • So, in summary, here are the options I tested: T-Mobile intl roaming - LTE on SoftBank, routes back to the US (~220ms to 4.2.2.4) IIJ physical SIM - LTE on NTT, local routing Airalo - LTE on SoftBank and KDDI (seems to prefer SoftBank), routed through Singapore (SingTel) Ubigi - 5G on NTT, routed through Singapore (Transatel) US Mobile East Asia roaming - 5G on SoftBank, routed through Singapore (Club SIM) Saily - 5G on NTT, routed through Hong Kong (Truphone)...seems to be poorer routing my1010 - LTE on SoftBank and KDDI (seems to prefer KDDI), routed through Taiwan (Chunghwa Telecom) I wouldn't buy up on the T-Mobile international roaming, but it's a solid fallback. If you have the US Mobile roaming eSIM that's a great option. Otherwise Ubigi, Airalo, or my1010 are all solid options, so get whatever's cheapest. I wouldn't bother trying to find a physical SIM from IIJ...the Japanese IP is nice but there's enough WiFi that you can get a Japanese IP enough for whatever you need, and eSIM flexibility is great (IIJ as eSIM but seems a bit more involved to get it to work).
    • So, the rural part of the journey still has cell service for nearly all the way, usually on B18/19/8 (depending on whether we're talking about KDDI/NTT/SoftBank). I think I saw a bit of B28 and even n28 early on in the trip, though that faded out after a bit. Once we got to where we were going though, KDDI had enough B41 to pull 150+ Mbps, while NTT and SoftBank had B1/B3 IIRC. Cell service was likewise generally fine from Kawaguchiko Station to Tokyo on the express bus to Shinjuku Station, though there were some cases where only low-band LTE was available and capacity seemed to struggle. I also figured out what I was seeing with SoftBank on 40 MHz vs. 100 MHz n77: the 40 MHz blocks are actually inside the n78 band class, but SoftBank advertises them as n77, probably to facilitate NR CA. My phone likely preferred the 40 MHz slices as they're *much* lower-frequency, ~3.4 GHz rather than ~3.9, though of course I did see the 100 MHz slice being used rather often. By contrast, when I got NR on NTT it was either n28 10x10 or, more often, 100 MHz n78. As usual, EMEA bands on my S24 don't CA, so any data speeds I saw were the result of either one LTE carrier or one LTE carrier plus one NR carrier...except for B41 LTE. KDDI seems to have more B41 bandwidth live at this point, so my1010 or Airalo works well for this, and honestly while SoftBank and NTT 5G (in descending order of availability) have 5G that's readily available it may be diminishing returns, particularly given that I still don't know how to, as someone not from Hong Kong, get an eSIM that runs on SoftBank 5G that isn't the USM "comes for free with the unlimited premium package" roaming eSIM (NTT is easy enough thanks to Ubigi). In other news, I was able to borrow someone's Rakuten eSIM and...got LTE with it. 40 Mbps down, 20 Mbps up, 40ms latency to Tokyo while in Tokyo...which isn't any worse than the Japan-based physical SIMs I had used earlier. But not getting n77 or n257 was disappointing, though I had to test the eSIM from one spot rather than bouncing around the city to find somewhere with better reception. It's currently impossible to get a SIM as a foreigner that runs on Rakuten, so that was the best I could do. Also, I know my phone doesn't have all the LTE and 5G bands needed to take full advantage of Japanese networks. My S24 is missing: B21 (1500 MHz) - NTT B11 (1500 MHz) - KDDI, SoftBank B42 (3500 MHz) - NTT, KDDI, SoftBank n79 (4900 MHz) - NTT Of the above, B42/n79 are available on the latest iPhones, though you lose n257, and I'm guessing you're not going to find B11/B21 on a phone sold outside Japan.
    • T-Mobile acquiring SoniqWave's 2.5 GHz spectrum  Another spectrum speculator down! T-Mobile is acquiring all of their licenses and their leases. Details are lacking but it looks like T-Mobile might be giving them 3.45GHz in exchange in some of the markets where they're acquiring BRS/EBS to sweeten the deal and stay below the spectrum screen. Hopefully NextWave is at the negotiating table with T-Mobile so NYC can finally get access to the full BRS/EBS band as well. 
    • Maybe. The taller buildings on one side of the street all have Fios access and the NYCHA buildings are surrounded by Verizon macros that have mmWave. I don’t think this site will add much coverage. It’d be better off inside the complex itself.
  • Recently Browsing

    • No registered users viewing this page.
×
×
  • Create New...