Everything you need to know about WiMAX
Will LTE replace WiMAX? Does WiMAX have future?
Will LTE replace WiMAX? Does WiMAX have future?
What do you think? How is your opinion?
What do you think? How is your opinion?
Replies to This Discussion
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Permalink Reply by Alan J Weissberger on
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The short answer is NO- LTE will not replace WiMAX- atleast not in the next 2 or 3 years!
Please see recent wimax.com posts:
LTE Deployment Myths & IP Uncertainty Benefit Mobile WiMAX
http://www.wimax.com/commentary/blog/blog-2008/december/LTE-Deploym...
Progress Report on LTE and Next Generation WiMAX Standards
http://www.wimax.com/commentary/blog/blog-2008/december/Progress-Re...
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Clearwire CEO Ben Wolff was quoted in an Information Week article on the LTE issue. Wolff said it's the top question he gets asked by investors and analysts, and he wanted to make it clear that Clearwire didn't bet the company on which technology will win. If and when the LTE standard is completed, if a large number of devices arrive with LTE connectivity but no WiMax support, Wolff said Clearwire's all-IP infrastructure and large amount of licensed spectrum will let it add support for LTE to its existing networks.
http://www.informationweek.com/news/mobility/3G/showArticle.jhtml;j...
Opinion It's very hard for me to believe that Clearwire would support LTE as well as WiMAX. The technologies involve completely different network infrastructures with different duplexing methods (FDD vs TDD).
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Permalink Reply by Alexander on -
Sorry, what is LTE? 3GPP Long Term Evolution?
I think WiMAX doesn't have future, because it's a pseudo "open" poorly documented standard and nobody can help me in my topic: http://www.wimax360.com/forum/topics/mobile-wimax-phy-level
Possibly, big hardware companies will support WiMAX by creating compatible chips, but how about small? Where I can get more information? How I can contact with developers of IEEE 802.16 standard? I have membership in IEEE, but I still cant find any contacts... Very bad emotions from this, sorry...
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A standard is not intended to be an implementation guide. Lots of info on the WiMAX standard can be found at the IEEE 802.16 web site http://www.ieee802.org/16/
You don't need to be an IEEE member to access the documents there. You can connect with members of IEEE 802.16 by joining one of the mailing lists.
Other web sites you might check include: WiMAX Forum (www.wimaxforum.org/) and
Intel (http://www.intel.com/technology/wimax/).
As an IEEE member, you can subscribe to the ComSocSCV Discussion list- for free to my newsletter and analysis of breaking news:
http://www.ewh.ieee.org/r6/scv/comsoc/index.php#subscription
Good luck!
alan
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WiMAX vs LTE: Lower WiMAX device cost should give it an advantage over LTE. Here is a quote from an Instat analyst: "An integral part of the WiMAX strategy has been to keep the intellectual property licensing costs low for devices. This keeps the overall cost of WiMAX-enabled devices low, which encourages vendors to add WiMAX capability to their devices. When prices are low, that reduces the risk factor for consumers and encourages them to try it. In Baltimore, users can get a WiMAX USB modem for $59.99 without signing a service contract. A similar 4G modem on Verizon Wireless, using LTE, would cost $239.99 without a service contract.
With this strategy the WiMAX device roadmap will look like the Wi-Fi roadmap: WiMAX-enabled laptops and data devices will come first, followed by consumer electronics. Where Wi-Fi is today, WiMAX should be in the future."
http://gigaom.com/2009/04/25/wimax-can-win-%E2%80%94%C2%A0if-its-no...
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3G vs LTE: Parsing the economics of mobile broadband
Why are some operators (like Verizon) rushing forward with LTE while others are content to wait? One simple explanation is the distinction between CDMA and UMTS service providers: CDMA operators, with no migration path remaining on their 3G networks, are proceeding immediately to 4G, while UMTS providers, with plenty of upgrades left for their high-speed packet access (HSPA) networks. That’s only a partial explanation, though. It’s true many CDMA providers—Verizon, Sprint (NYSE:S), KDDI, MetroPCS (NYSE:PCS)—have been quick to adopt LTE, but in Canada Telus (NYSE:TU) and Bell Mobility (NYSE:BCE) have opted to deploy HSPA networks to compliment their CDMA networks. Meanwhile, HSPA operator DoCoMo will have one of the first LTE launches in the world, followed by Nordic operators TeliaSonera, Tele2 and Telenor.
http://telephonyonline.com/wireless/news/3g4g-mobile-broadband-econ...
Meanwhile, Clearwire and Comcast have deployed Mobile WiMAX in the U.S., giving them a big lead over Verizon and AT&T LTE roll outs planned for 2010-11.
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Permalink Reply by Dr.LAL on -
LTE, combining OFDM and MIMO, will provide on 2 to 5 times greater spectral efficiency than the most advanced 3G networks, reducing the cost per bit and allowing better economics for operators and end users.
OFDM as we all know splits the information into multiple narrowband subcarriers, allowing each of them to carry a portion of the information at a lower bit rate, which makes OFDM a very robust modulation, particularly in multipath scenarios, like urban areas.
Also MIMO technology creates several spatial paths on the air interface between the network and the subscriber; so these paths can carry the same or different streams of information, allows an increase in either the coverage (due to higher Signal to Noise Ratio (SNR) at the receiver) or the user data throughput.
The result is affordable mass market wireless broadband services that will boost Operator profitability. Faster downloads, video sharing, true Mobile TV with more channels and enhanced quality are just some examples of applications that will benefit from LTE's greater performance.
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