Now that Ericsson has closed down development and manufacturing of WiMAX products, it is becoming clearer that WiMAX and 4G will never be one in the same thing. LTE is still the leading contender for dominance but even having a share of the pie is an accomplishment for WiMAX.
On the other hand, Nokia's decision to commit a substantial amount of money to WiMAX-compatible handset development gives the technology something of a boost.
The question is "How much of the 4G market can WiMAX acquire, and where?"
The problem with trying to sort out WiMAX's future success in the 4G space is that it's difficult to tell who is hedging their bet and who is really committed to the technology.
Certainly Intel is and a number of other companies that will benefit if 4G does not follow the LTE path. As I understand it, it would be relatively trivial for carriers to develop LTE and WiMAX in parallel, so the endgameif there is oneis still far off in the future.