
Telefonica announced that it reached download speeds of up to 800 Mbps on its own 4G radio network in a trial featuring a combination of several technical advances. To conduct the demonstration, the operator used Nokia radio network equipment and a test terminal equipped with Qualcomm’s Snapdragon X16 LTE modem, both of which support 4x4 MIMO and 256QAM technology, on an LTE-A network with dual-carrier aggregation. In a statement, Telefonica said the 4x4 MIMO (Multiple-input Multiple-output) technology serves to multiply the number of data paths between a cell site and the phone, while the 256QAM modulation (Quadrature Amplitude Modulation) increases the number of bits delivered per transmission for even faster speeds.
The company said it plans to upgrade its Spanish network with the new technology to gradually bring even faster mobile broadband speeds to customers, adding that it expects LTE-A to surpass data transmission speeds of 1 Gbps in the next few years.