Swisscom has tested an LTE-Advanced three-carrier aggregation solution combining LTE in both FDD and TDD modes. The demonstration used three carriers in two bands in a radio access network and used commercial-grade chipsets.
The Swiss operator deployed the solution on August 18, 2015 in a Swisscom shop in Zurich and connected to its live, commercial network. Two LTE TDD carriers, each with 20 MHz bandwidth in the 2.6 GHz frequency band (B41),...