Techniques for ATSC 3.0 broadcast boundary area management using plural tuners handing off between presentation and scanning

A digital television apparatus comprising:

• at least one receiver configured to receive digital television from a digital television transmitter system, the receiver comprising:
• at least one processor programmed with instructions to:
• present a demanded service acquired from a first tuner receiving information from a first broadcast frequency;
• while presenting the demanded service, use a second tuner to scan for a second broadcast frequency carrying a duplicate of the demanded service;
• determine respective first and second quality metrics associated with the demanded service and the duplicate of the demanded service;
• and
• hand off presentation from the first tuner to the second tuner and back again based on the first and second quality metrics, wherein the digital television system comprises an advanced television systems committee (ATSC) 3 system.

A digital television apparatus comprising:

• at least one receiver comprising at least one processor programmed with instructions to configure the processor to:
• receive plural digital television broadcast frequencies;
• present a service on the receiver received from a first tuner tuned to a first one of the frequencies;
• scan the frequencies for a duplicate of the service on a second frequency using a second tuner;
• and
• responsive to a relationship of a quality metric of the duplicate of the service to a quality metric of the service, present the duplicate of the service from the second tuner in lieu of the service from the first tuner and use the first tuner to scan the frequencies for the second frequency, wherein the digital television system comprises an advanced television systems committee (ATSC) 3 system.