Consider visiting some FAA and other aviation websites to search for an article or press release regarding a component of the Air Traffic Control system (ATC): Global Positioning System (GPS), Local Area Augmentation System (LAAS), and Wide Area Augmentation System (WAAS), etc.
Some resources if you can access them:
FAA: NextGen
FAA: Air Traffic
FAA News – do a search for press releases or the FAA Briefing Magazine (download magazine and feature articles)
ERAU Research Guide: DAV 735 – Current Practices and Future Trends in Aviation