Neither did LTE (or VoLTE) work well at the start.
WiMAX didn't get the funding and backing primarily because it didn't integrate well with existing systems. Hilariously it fit the criteria as 4G before LTE did. I guess there was a strong vendor push to include LTE into 4G.
I had one of the few laptop models with WiMAX built-in, and I tried it several times. The only time it worked was on the Brighton Beach boardwalk, surprising me completely. But even then, the connection speed was lower than of my 3G USB modem.
Neither did LTE (or VoLTE) work well at the start.
WiMAX didn't get the funding and backing primarily because it didn't integrate well with existing systems. Hilariously it fit the criteria as 4G before LTE did. I guess there was a strong vendor push to include LTE into 4G.