It comes three years after its MH370 flight bound for Beijing disappeared with 239 people on board.
Using a soon-to-be-launched satellite network, the airline will be able to monitor its planes in areas where there is currently no surveillance.
They include polar regions and remote areas of oceans not covered by existing systems.
Path change
The airline reached a deal for the service provided by US-based Aireon, FlightAware and SITAONAIR.
The new system can also provide more regular updates on a plane's location, especially when travelling over oceans and other remote areas, said SITAONAIR's portfolio director Paul Gibson.