Ericsson Demonstrates TD-LTE Interoperability on Global Platforms Ericsson is the first vendor to prove end to end interoperability in TD-LTE, another standard of 4G technology. The demonstration, performed in Sweden, showed an end-to-end connection via an Ericsson LTE/EPC network and user equipment provided by Aeroflex, all supporting the latest 3GPP specification, 'March 2009'.