day one

there are confusions about mobile phone network technology. especially around Long Term Evolution (a.k.a. LTE) People call it "4G" network. Japanese call it "3.9G" or "super 3G"
no body (at least marketing guys) cares technology. 4g is just catchy. and 3.9g seems alreay acomplished the requirement for 4g. the requirement is 1gbit/s when you stay where you are. 100Mbit/s when you move super fast.

ref. http://www.nttdocomo.co.jp/corporate/technology/rd/tech/main/super3g/