NTT DoCoMo Inc. is set to invest ¥300 billion to ¥400 billion ($3.06 billion to $4.07 billion) in its Long Term Evolution (LTE) network during the next five years, The Nikkei reports.

Sprint has introduced it's second generation of 4G WiMAX handset HTC EVO Shift™ 4G.

U.S. operator Sprint has significantly improved 3G service in Puerto Rico and also expanded 4G service by launching its LTE network in Aguadilla, Isabela, Cabo Rojo and Mayagüez. These cities are in addition to Ponce, Coamo and Guayama – which have offered LTE since 2012. 

NetComm has announced that they are prepared for the global rollout of 3GPP LTE networks.

Vodafone Spain has announced the availability of its 4G service in all provincial capitals and in the autonomous cities of Ceuta and Melilla, from April 1. 4G services will be available in more than 220 municipalities, among which are the 80 Spanish cities with over 70,000 inhabitants.

U.S. Cellular will be adding more than 1,200 4G LTE cell sites in 2014 and expanding existing 4G LTE service in 13 states. By the end of 2014, more than 93 percent of U.S. Cellular customers will have access to 4G LTE speeds.

U.S. operator Sprint announced expansion of its 4G LTE network in 22 new cities including Miami, New Orleans, Raleigh, N.C., and Tampa, Fla. Sprint's LTE network is now serving 110 markets nationwide and expects to provide 200 million people with LTE by the end of 2013.