Systems and methods for mobility management in overlaid mobile communications systems

A mobile communications system, comprising:

• a satellite mobile communications system that supports generation of respective copies of a set of authentication tokens at respective ones of a mobile station and the satellite mobile communications system and that is further operative to subsequently accept successive registrations of the mobile station with the satellite mobile communications system using successive ones of the authentication tokens.

A method performed by a mobile station to coordinate communications of the mobile station with a satellite mobile communications system, the method comprising:

• providing a set of authentication tokens;
• and then
• performing successive registrations of the mobile station with the satellite mobile communications system using successive ones of the authentication tokens.

A method performed by a satellite mobile communications system to coordinate communications of a mobile station with the satellite mobile communications system, the method comprising:

• generating a set of authentication tokens at the satellite mobile communications system;
• and then
• performing successive registrations of the mobile station with the satellite mobile communications system using successive ones of the authentication tokens.

A mobile communications device, comprising:

• a mobile station that includes a set of authentication tokens and that is operative to successively register with the satellite mobile communications system using successive ones of the authentication tokens from the set of authentication tokens.