S4GRU

I get my ideas from Forums. I listen and watch for meaningful feedback from other members I trust. And when I see something recommended, I jump. I tend not to be a risk taker and let other people be my beta testers. S4GRU is now mobile...posted via Forum Runner

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All our snow melted last week. We don't get the amounts they get in Central Minnesota. But we usually keep a small snow pack all Winter. My new home is at 6,500' ASL. So a decent elevation, but we have had a warmer and drier winter than normal. Those peaks are at 13,000'. S4GRU is now mobile...posted via Forum Runner

Sprint has said that they are going to be releasing 15 LTE devices before the end of the year. So I suppose that the chances are good that at least one will have a keyboard. Although of those 15 devices, it will probably include at least one or two hotspots and one or two USB dongles. S4GRU is now mobile...posted via Forum Runner

Thanks for joining us here in the forums. There is no better place for Sprint Network Vision and LTE info anywhere. Not even Sprint. - Robert S4GRU is now mobile...posted via Forum Runner

Two acres. But I'm surrounded by USFS and BLM land. Its a great place to live. S4GRU is now mobile...posted via Forum Runner

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OK. This is the view looking out my front door toward the Sangre de Cristo Range... S4GRU is now Mobile...sent from Tapatalk App

For me, I just have to remember not to throw my keys and my E4GT in the same pocket. Keys are the only thing that ever threatens my device screens and causes the scratches.

What kind of upload speed do you get with your home ISP? I get 600k. I would be ecstatic 5MB to 8MB upload speeds on Clear's TD-LTE. If they went to a 10x10 FD-LTE, their download speeds would still be under 10MB (because the device cannot upload any faster than that because of the limited broadcast ability of devices), but their download speeds would be lessened and be similar to Verizons. The only real advantage for Clearwire to use FDD for LTE is interoperability with European networks,

I'm thinking it is looking like 800 FD-LTE and 2500 TD-LTE are going to be coming on line right around the same time.

turtle neck

Here's the view from my office at Los Alamos Airport. I'm standing on the edge of a Mesa next to my car in the parking lot.

AJ - Great points. I always appreciate your background and perspective. Eric - Phoenix and San Diego were really shafted in the Clearwire WiMax roll out. Even though PHX and SAN are not going to be in with the very first markets for Sprint LTE, they should be relatively happy about when they are coming online. Although, there are some really ticked off customers in those markets who have already left Sprint, or will in the near future.

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Except Falcone didn't bail on LS2...he is going down with his ship! S4GRU is now mobile...posted via Forum Runner

There are significant spectral efficiencies gained in TDD by limiting the uplink channels to be narrower allowing for larger (and faster) downlink channels. When you have a 10x10 FDD carrier, that 10MHz uplink is not being fully utilized. It receives only one third of the traffic as the 10MHz downlink in a modern mobile data network. And not only that, but most of your uplink traffic doesn't even appreciate the larger pipe. In many ways, having 10MHz dedicated to uplink is wasted spectrum. TDD allows for that same entire 20MHz swath to be better utilized, faster download speeds and more spectrum being used and more efficient. For instance, Verizon is using 20MHz of FDD spectrum and installed a 10x10 FD-LTE carrier on it. They get speeds of 20MB download, bursts up to 30MB. Upload speeds of 5MB, bursts to 8MB. However, Clearwire's TD-LTE network out of a 20MHz chunk, is going to perform around 40MB to 50MB download, with bursts even higher. Its true that their upload speed will be limited. They haven't picked a number yet, but it will be between 3MB and 5MB. But this will exceed 95% of their customers needs. Giving more spectrum and a wider allotment to download allows for a lot more spectrum to be used. A lot of uplink spectrum is being wasted. In a voice call world, FDD made a lot of sense. Uplink and downlink were used equally. In a mobile data world, TDD makes much more sense. That's why China is going this way. I do get your point, though. Interoperability is a wonderful thing. And we need to find more ways for LTE networks to be interoperable. However, most major wireless cos don't want interoperabity, even in places of similar spectrum. Just having similar spectrum isn't going to be enough. So the FCC requiring spectrum similarities won't do it on its own. It's going to take the changing of law to mandate it. But I don't want to give up spectral efficiencies for interoperability. Europe should consider TDD for their 2600 spectrum, if anything. And being TDD aligns us with China, India and many other parts of the world. So we aren't in a go-it-alone strategy. It will be Europe that will be the odd duck in this spectrum. S4GRU is now mobile...posted via Forum Runner

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S4GRU is now mobile...posted via Forum Runner

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