C114 News: Afternoon of February 22, London time (Ai) According to foreign media reports, NTT DoCoMo, Japan's largest mobile operator, plans to invest more than 1.5 times its annual profit in the next fiscal year (2012-2013 fiscal year) to improve its mobile network. CFO Kazuto Tsubouchi said that the company plans to invest 730 billion yen ($9.1 billion) over the 12 months starting from April 2012, higher than the previously expected expenditure of 700 billion yen. Nowadays, with data service revenue exceeding voice call income, DoCoMo hopes to enhance its mobile data network. Its competitors KDDI and Softbank are expected to invest 440 billion yen and 500 billion yen respectively in the next fiscal year. Content.