KT and Nokia have conducted what they claim to be the industry's first eMTC (aka LTE-M) field trial, on KT's LTE network using Nokia's Flexi Multiradio 10 base station. In the trial, eMTC used only 1.4MHz of the full 20MHz LTE spectrum, leaving the remaining spectrum free for normal LTE traffic, according to Nokia.

Read more: KT, Nokia conduct world's first eMTC (LTE-M) field trial on LTE network

NTT Docomo says it has made the first trial of 5G technology in a commercial complex '“ The Roppongi Hills high-rise complex in Tokyo - demonstrating date rates of 2.5Gbps using a frequency of 78GHz, in conjunction with Nokia Networks, Samsung, Ericsson, Fujitsu and Huawei.

Read more: NTT Docomo's trials bring 5G one step closer