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RAvirani

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Everything posted by RAvirani

  1. RAvirani
    Hmm...spectrum that could come up for auction that isn’t mmWave...wonder what that could be ?…
  2. RAvirani
    I think it would be great if Sprint could pick some spectrum in the CBRS band—I could definitely see their NR network being primarily 2.5/3.5 GHz. Additionally, if CBRS spectrum were used for NR with massive MIMO, it would be a good overlay for the L1900 grid as it would have comparable coverage/range. Your point about roaming is definitely true too. It would be nice for us to roam in other countries on the same band as back home; additionally, with spectrum that lines up with international providers, Sprint may be able to break into the US international roaming market (which AT&T and T-Mobile primarily dominate today).
  3. RAvirani
    I’d estimate that with massive MIMO and HPUE, 2500/2600 MHz NR could probably eclipse the range of L1900 today. See page 29 here regarding my previous post: http://www.oulu.fi/sites/default/files/content/Keskinen-5Glecture.pdf
  4. RAvirani
    Something else that is interesting to note is Nokia recently demonstrated (in Europe) how massive MIMO could bring the coverage of 3500 MHz spectrum to that of 1800 MHz spectrum. I wonder what massive MIMO will be able to do for Sprint’s 2500/2600 MHz spectrum. Maybe it will make rural n41 deployment possible… EDIT: Meant Nokia not Qualcomm
  5. RAvirani
    It’s actually happening! I’m excited.
  6. RAvirani
    I would think the Note 5 would use SrLTE, although I may be wrong.
  7. RAvirani
    No, ##873283# is just a PRL a update. Go to Settings>General>About and hover there for a bit. If there’s a carrier update available, you will be prompted to download it. You can also try resetting your network settings as that will force your phone to redownload the current carrier package.
  8. RAvirani
    Me too. And very slightly sad...
  9. RAvirani
    Haha I saw that too!
  10. RAvirani
    This is also very possible.
  11. RAvirani
    Hmm...were those tests run at the same time of day? Maybe the OTA update enabled carrier aggregation?
  12. RAvirani
    They really just need to drop Qrxlevmin values on B26. When VoLTE goes live, I wouldn’t be surprised if we see Qrxlevmins as low as -130.
  13. RAvirani
    Yes—what are the EARFCNs on both?
  14. RAvirani
    I’m out of town this week, but I’ll go back and try to connect to the 6th carrier when I get back.
  15. RAvirani
    I was. I’ve uploded them to the same imgur album: https://imgur.com/a/SnNVc
  16. RAvirani
    Take a peek at Rapid City, SD .
  17. RAvirani
    I can verify that this is true as Verizon service in my neighborhood is abysmal. When driving in, Verizon phones will often hold a VoLTE call down to -132 to -134 dBm before dropping LTE and thus, the call.
  18. RAvirani
    Well, the network can instruct a device to drop from LTE to eHRPD/EVDO with an RRC release specifying the center frequency of the CDMA carrier...
  19. RAvirani
    Software update for radios.
  20. RAvirani
    Yes, I live in the Seattle area.
  21. RAvirani
    Not sure if this is the right place to post this, but I think this is the fastest speed I’ve clocked to date: https://imgur.com/a/RkRqp 241 mbps down—wow!
  22. RAvirani
    Yup, nothing up here in Seattle either I wish they’d get VoLTE up and running but leave it disabled by default. I could see them doing what Verizon did when they initially rolled VoLTE out: requiring users to enable VoLTE on their account (through the website or something) until they’re confident enough to enable it by default.
  23. RAvirani
    I made a topic about this—see here:
  24. RAvirani
    I’ve read scattered reports of iPhones originating calls over LTE all over the country today—Maryland, Alabama, Utah and probably more states. Here’s an example: Thoughts?
  25. RAvirani
    Oh wow—I hadn’t checked! Looks great! Hopefully google maps makes it to the mobile coverage map soon.
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