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ABI: Mobile WiMAX head start over LTE, UMB narrows

Posted: 04 Mar 2008 ?? ?Print Version ?Bookmark and Share

Keywords:4G market? mobile WiMAX? radio access network technology?

Service providers with the right spectrum, available capital and access to enough sites to place base stations are in great position to take advantage of WiMAX's headstart on the 4G market, according to ABI Reserach.

But Long-Term Evolution (LTE) and Ultra Mobile Broadband (UMB) are vying for 4G as welland even though mobile WiMAX has a time-to-market advantage over LTE, delays in certifications by the WiMAX Forum (coupled with delays in network rollouts) could narrow that window of opportunity.

ABI Research is confident that UMB will not gain traction, as the true battle for 4G blossoms between mobile WiMAX and LTE.

"The biggest opportunity for mobile WiMAX is the chance to develop a wider device ecosystem and worldwide subscriber base before LTE starts to do the same," said ABI Research principal analyst Philip Solis. "However, LTE remains a potential threat to WiMAX since 3GPP-backed LTE will become the dominant 4G technology and is progressing quickly toward standardization. Additionally, LTE is seeing early trials take place while moving into TDD (as well as FDD) spectrum territory."

GSM-based networks represent the primary radio access network technology deployed, with over 80 percent of the installed base of base stations worldwide; so W-CDMA networks generally will migrate to LTE (except Verizon Wireless). Eventually, this will translate to wider deployment at a faster rate than WiMAX. ABI forecasts that LTE subscriber numbers will surpass mobile WiMAX subscribers after 2015.

Around the same time that LTE rolls out, 802.16m or WiMAX 2.0, will make its way into products. Just like LTE, 802.16m will be part of the IMT-Advanced set of technologies.

"One main differentiator for 802.16m will be its backward-compatibility with a developed OFDMA ecosystem derived from 802.16e," continued Solis, "whereas LTE will be not be backwards-compatible with anything except through the inclusion of 2G and 3G radios. 2G/3G compatibility can and will be achieved with WiMAX in the same way."




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