Although WiMax and third generation cellular have been positioned as rival and alternative wireless standards, that might change in some cases as the International Telecommunication Union has decided to include WiMAX in the IMT-2000 set of standards. WiMAX is to be considered, after all, as just another 3G solution such as W-CDMA, CDMA-2000 and TD-SCDMA, all of which are part of the IMT-2000 set of standards.
The decision to approve the WiMAX Forum's version of IEEE Standard 802.16 as an IMT-2000 standard boosts WiMAX chances for wider deployment, especially within the 2.5-2.69 GHz frequency bands. How much of a boost is hard to predict.
WiMAX still will compete with the HSPA "Super 3G" or "long term evolution" (LTE) path most cellular operators have been saying they will take, in large part to preserve the value of expensive infrastructure they already have in place. WiMAX represents a sharp departure from that strategy.
Therein lies the challenge. Few 3G providers will want to risk being marginalized if the great bulk of 3G providers opt to stay on course. Roaming issues, handset cost, availability and price are the price to pay for bolting from the generally accepted path.
On the other hand, an upstart might choose WiMAX in order to differentiate itself from the pack, despite those issues. It's risky, but a challenger might be willing to take some risk, in a bid to grab a seat at the table. After nearly bankrupting themselves chasing 3G spectrum rights, most European mobile carriers will understandably be cautious about risking too much again.
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