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WiWavelength

S4GRU Staff Member
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Everything posted by WiWavelength

  1. Either I did not make a typo, or a moderator fixed it because the original post reads band 26 LTE 800. AJ
  2. I suggest that you look at this extensive HowardForums list. See the many MSAs in which T-Mobile has no native coverage or only GSM. But in most of those, Sprint has native coverage. So, those MSAs likely make for the difference in covered POPs. http://www.howardforums.com/showthread.php/1792144-official-T-Mobile-USA-LTE-thread?p=15191562#post15191562 AJ
  3. And the "skyscrapper," is that the sky's crapper? I think we call that a tornado. AJ
  4. I have not had a chance to read the white paper, though I will try to do so today. But I do think that the current state of LTE with present day UEs is not all that you make it cracked up to be. Sprint's band 25 LTE 1900 airlink, for example, does not even remotely provide the same level of coverage that its CDMA1X 1900 and EV-DO 1900 airlinks do. Even with the 1:1 LTE site overlay, LTE has both urban and rural coverage gaps that do not affect CDMA1X and EV-DO. Only additional sites or band 26 LTE 800 will fill those holes. That is the fault of the LTE airlink. It may be fast because it crams in so many OFDMA subcarriers, approaching the Shannon bound for its bandwidth in each MIMO spatial channel, but it is certainly not resilient. As the saying goes, there is no such thing as a free lunch. AJ
  5. Uh, yeah, when your phone plays this message, you know that Sprint has signed off for the night. AJ
  6. Well, the raised hut on stilts and thatched roof also help me maintain Wi-Fi signal even when I am down on the beach mending my fishing nets or up in the trees collecting coconuts. AJ
  7. No, knowing grandmothers, I imagine John's grandma was watching things more like these... AJ
  8. Yes, The Wall has become neglected. After a year and a half of writing for all of you, Robert and I both have developed severe cases of carpal tunnel syndrome. In fact, I now have to create my posts in The Forums the "Stephen Hawking way." AJ
  9. But what about TD-LTE 2600? I have got to get high up off the ground with an RF permeable roof. AJ
  10. The problem is that -- without CoMP or maybe even with CoMP -- we have LTE networks that are not truly VoLTE ready. VoLTE will be a significant step back in voice coverage because the RF robustness just is not there. Places where users can currently make low RSSI but still reliable CDMA1X voice calls -- in part due to soft handoff -- will be without VoLTE service. AJ
  11. Your handset actually has a no roaming charge button. It may be on the top or the side, and it is sometimes labeled "Power." AJ
  12. Correct. And this is why I am moving into a thatched roof, stilted hut. AJ
  13. My scientific opinion is that the belief that the DAC on smartphone makes a difference is baloney. In particular, the Internet forum fascination with Wolfson DACs in portable devices has reached almost mythic proportions. But so many of those posters seem incapable of ruling out other factors, including amplification quality and, of course, placebo effect. I have been studying digital audio for 20 years -- almost twice as long as I have been studying wireless. And as much as I wanted to believe that there are audible differences in competent, modern DACs, no one has been able to show that reliably using scientific testing methods. I am a longtime Stereophile subscriber, and I greatly enjoy the magazine, especially for its rigorous test and measurement reports. But some of the subjective prose from Stereophile writers, audiophile press in general, and forum posters is utter bullshit outside of their own readily convinced minds. By the way, the info that I have is that the LG G2 is using an in house Qualcomm DAC. AJ
  14. Please elaborate on this. Either I am not following your explanation, or you are posting some currently inaccurate info. LTE does not presently support "soft handoff" connections with multiple sectors/sites. That may be coming in LTE Advanced with CoMP. About the only thing that LTE may be able to do now to improve cell edge/seam performance is to coordinate dynamically OFDMA subcarrier usage between/among adjacent sectors/sites in order to minimize interference. Of course, that comes at a price -- it is basically non unity frequency reuse all over again and lowers overall system capacity. Additionally, my experience with cell edge/seam performance on the Sprint LTE network is consistent with it being power or noise limited, not interference limited. So, dynamic OFDMA subcarrier coordination may do relatively little to improve performance. AJ
  15. You have little to complain about. Because of iPCS -- believe it or not -- northern Indiana has some of the most substantial rural coverage in the entire Sprint native footprint. AJ
  16. We need to institute the cell site worker draft. Forced conscription. AJ
  17. This is just a placeholder, folks. There is more to come as moderators move off topic posts out of other threads to this thread. AJ
  18. I was initially concerned about that, as the EVO LTE has processor, baseband, and Wi-Fi all on one chipset, while the HTC One uses three separate chipsets. But battery life has been fine. Unless you are one of those people who can practically never put your handset down -- hey, check yourself before you wreck yourself -- you will easily make it through the day on a single charge. AJ
  19. If John Legere wants to make an ass of himself and crack jokes about Sprint, then most everyone to ought understand the reasons behind my jest. Equal opportunity. AJ
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