Japanís DOCOMO mobile network has announced that it has begun field testing a development of LTE technology LTE-Advanced. LTE-Advanced is a 4G mobile network technology that is up to six-times faster than standard LTE networks. A recent field test recent field test by the South Korean governmentís Electronics and Telecommunications Research Institute (ETRI) showed the new standard achieving astonishing downlink speeds in real-world tests peaking at 600Mbps.