At least in EU, WiMax failed because the states decided to licence the spectrum to the usual telcos that had no interest in deploying the technology fearing a p

At least in EU, WiMax failed because the states decided to licence the spectrum to the usual telcos that had no interest in deploying the technology fearing a possible cannibalization of their own businesses. However, WiMax is not a mesh network, although you can obviously use WiMax as a physical link on top of which a mesh protocol can work.