Position correction information delivery system and method, base station, and program

A base station constituting a position correction information delivery system using a positioning scheme in which a receiver obtaining a position thereof and a reference station whose position is known measure a phase of a carrier wave from a satellite and position information of the receiver is obtained in real time based on position correction information transmitted from the reference station, the base station comprising:

• a processor;
• and
• a memory storing program instructions executable by the processor, wherein the processor, when executing the program instruction stored in the memory, performs processing comprising:
• selecting a second base station having a reference station located nearby to the base station or a reference station located nearby to the base station, from one or more second base stations and/or one or more reference stations, registered in a database, each of the one or more second base stations having the reference station and capable of providing position correction information from the reference station, each of the one or more reference stations capable of providing position correction information;
• and
• receiving the position correction information from the selected second base station or reference station and broadcasting the position correction information to the cell.

A position correction information delivery method comprising:

• by a base station that delivers position correction information using a positioning scheme in which a receiver obtaining a position thereof and a reference station whose position is known measure a phase of a carrier wave from a satellite and position information of the receiver is obtained in real time based on position correction information transmitted from the reference station,
• selecting a second base station having a reference station located nearby to the base station or a reference station located nearby to the base station, from one or more second base stations and/or one or more reference stations, registered in a database, each of the one or more second base stations having the reference station and capable of providing position correction information from the reference station, each of the one or more reference stations capable of providing position correction information;
• and
• receiving the position correction information from the selected second base station or reference station and broadcasting the position correction information to the cell.