NEC also participated in a field trial conducted in the Nasu-Shiobara area in theTochigi Prefecture from March to August, 2010. In addition to handover testing, NEC conducted throughput verification during radio frequency interference between base stations when the network was congested.
KDDI is scheduled to begin commercial LTE services in December, 2012 using LTE systems at the 1.5GHz band and 800MHz band. Furthermore, the company is planning to expand its broadband mobile telephone area coverage to 96.5% by the end of the 2014 fiscal year (March 31, 2015).
NEC is an official wireless base station vendor.