(Telecompaper) China Unicom reported a fall in first-half results, as the operator struggles to keep up in the emerging 4G mobile market in China. The company's operating revenues fell 3.1 percent to CNY 140.26 billion, and EBITDA was down 18.2 percent year-on-year to CNY 41.28 billion. The EBITDA margin dropped by 8.1 percent points to 33.9 percent. In line with Unicom's earlier profit warning, net profit for the six months declined 79.6 percent to CNY 1.43 billion.