 w0go.O
join:2001-08-30
Springfield, OR | these guys don't report real-world performance 3-6Mbps? When this service works, it easily does 10-16Mbps. Sprint gets the highest download and Clear does 8-10Mbps pretty easily. LTE doing 5-12Mbps isn't impressive or a step up from WiMAX at all. Also, the author of this article I don't think realized the Home modems weren't laptop cards, because the data Clear was sharing was for all customers not just ones of certain equipment.
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www.aimless.us - irc.aimless.us channel #fix |
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| no but id bet to guess that LTE antennas go further than wimax... just a guess... |
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| said by MalibuMaxx:no but id bet to guess that LTE antennas go further than wimax... just a guess... No, I'd wager that effective distance will have more to do with the frequency being used rather than the specific technology being used. |
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iansltx
join:2007-02-19
Golden, CO
kudos:2 Reviews:
 ·Comcast
| That's the thing: LTE will be deployed on 700 MHz most of the time and 1700 MHz some of the time. Both will go father than 2500 MHz, which is where Clear's spectrum sits. That said, for mobile broadband in cities Clear can amp things up until the other providers cry uncle in terms of bandwidth available; with 150MHz there's enough bandwidth per cell to put DOCSIS 3 to shame, though that's more a capacity thing than a measure of raw speeds at this point. |
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w0go.O
join:2001-08-30
Springfield, OR
1 edit | reply to SteelerRaw
Not anymore, that was true before we developed high-gain MIMO multipath beamforming antennas - 2.5GHz is just as good as 700MHz now.
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www.aimless.us - irc.aimless.us channel #fix |
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1 edit | Yeah, MIMO antennas solve the indoor issues at 2.3Ghz. OTOH, 700Mhz apparently can have propagation interference issues at higher speeds, which MIMO antennas can also apparently help. So they both need intelligent antennas in order to consistently maintain the upper end of performance, for different reasons.
Here's real world performance results of WiMAX...
»/archive/clearwire-wmx.net
LTE claims higher but real world will likely be about the same. WiMAX also made unrealistically high claims before released. Both LTE/WiMAX will improve as MIMO antennas show up.
The difference is that Sprint has far more spectrum than ATT/Verizon, so will likely be able to sustain higher performance depending on how much backhaul is supplied to each site. |
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Reviews:
·WOW Internet and..
| i wouldn't use that data as "real world" as when i use the DSLR speed test my speeds are WELL BELOW what i actually get. I would assume the same thing happens for every other carrier as well.
Plus that's just people that know about this site and do a speedtest. Let's ask Speakeasy for their speedtest numbers.
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| reply to w0g
Physics is physics and there is absolutely NO way 2500 MHz is as good as 700 MHz in propogation. With equal power, 700 MHz will outperform 2500 MHz every day of the week. MIMO (multiple input multiple output) is a way to increase the air interface capacity (since you can only squeeze so many bits into an RF carrier before it becomes too noisy). High gain antenna means narrower beamwidth - which ultimately means less coverage. |
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iSEPIC
join:2001-04-17
Las Vegas, NV | One advantage is they are not equal power (well they are no longer just one antenna either - more or less you can think of them as an array of antenna --- think one antenna for every degree in a circle as a loose analogy), with the new-fangled antenna technology, if you are at bearing 128 for example (in relationship to the antenna), that "Piece" of the antenna pointing at that location can be independently adjusted (power wise), so that your phone will get a (better) signal once it "locks onto you" after the handshaking takes place - and not affect the other "pieces of the antenna" "talking" with closer phones at different "bearings". |
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| reply to sides14
said by sides14:Physics is physics and there is absolutely NO way 2500 MHz is as good as 700 MHz in propogation. 700Mhz obviously does have better propagation but there are challenges with doing high speed data BECAUSE of the great propagation - there are interference issues that 2.3Ghz doesn't have.
»www.spirent.com/Solutions-Direct···eet.ashx
quote:
Some of the world’s first commercial LTE services will be deployed in the 700 MHz band. Along with RF propagation advantages, this band also brings its own specific RF challenges, including a range of interference issues. It is also difficult to effectively implement Multiple Input Multiple Output (MIMO) in mobile device form factors at these frequencies.
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·WOW Internet and..
| Some deployments? The world only knows about one. The rest are in "testing" and have been for some time. The only "real" network we see right now in 4G terms is WiMax. The great technology that everyone said wouldn't come and now is and thanks to Clear and Sprint and all the MSOs and Google, people are now starting to use it and it's expanding. The Telco's better watch out as WiMax may eat them alive before they even get out of the labs with their products, especially since Sprint has the new 4G handset coming out.
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