INTERFERENCE CONTROL SYSTEM, INTERFERENCE CONTROL METHOD, REPEATER AND PROGRAM FOR INTERFERENCE CONTROL FOR WIRELESS COMMUNICATIONS

1 . An interference control system for wireless communication, the interference control system comprising: a plurality of interfering wireless communicators that perform wireless communication; an interfered-with wireless communicator whose wireless communication is to be protected; and a controller that controls an amount of interference to which the interfered-with device wireless communicator is subjected by the interfering wireless communicator,

wherein a repeater disposed between the interfering wireless communicator and the controller includes a processor and a memory storing a program executed by the processor, and

the processor executes:

a process of acquiring registration information including a position and a transmission power for each interfering wireless communicator;

a process of estimating, for each interfering wireless communicator, a terminal range in which there is a likelihood that a terminal wireless communicator communicating with the interfering wireless communicator is present based on the position and the transmission power; and

an application process of transmitting a registration application including the terminal range to the controller.

2 . The interference control system for wireless communication according to claim 1 , wherein:

the processor further executes:

a process of acquiring a position of the interfered-with wireless communicator; and

a process of estimating a representative point of the terminal range for each interfering wireless communicator based on the position of the interfered-with device wireless communicator,

the representative point includes a position within the terminal range that subjects any interfered-with wireless communicator to a maximum amount of interference, and

the application process includes a process of transmitting a registration application expressing the terminal range with information including the representative point to the controller.

3 . The interference control system for wireless communication according to claim 1 , wherein:

the controller includes a control processor, and

the control processor executes:

a process of acquiring a position of the interfered-with wireless communicator;

a process of reading the terminal range from the registration application;

a process of estimating a representative point that subjects the interfered-with wireless communicator to a maximum amount of interference in the terminal range based on the position of the interfered-with wireless communicator;

a process of registering the representative point estimated by the process as a position of an interfering wireless communicator that has issued the registration application for the interfered-with wireless communicator;

a process of calculating a total amount of interference received by the interfered-with wireless communicator based on the representative point registered by the process; and

a process of determining allocation of a communication resource to each of the interfering wireless communicators based on the total amount of interference.

4 . The interference control system for wireless communication according to claim 2 , further comprising:

a subscriber database that stores information about a position of each of the interfering wireless communicators,

wherein the subscriber database stores construction information about an actual installation position of the interfering wireless communicator, and

the processor further executes:

a process of acquiring an error between the position of the interfering wireless communicator acquired as the registration information and the actual installation position based on the construction information; and

a process of correcting the representative point based on the error.

5 . The interference control system for wireless communication according to claim 2 , further comprising:

a subscriber database that stores information about a position of each of the interfering wireless communicators,

wherein the subscriber database stores construction information about a range in which there is a likelihood that the interfering wireless communicator is relocated, and

the processor further executes a process of converting information about the representative point into information about a representative point range including information about the range based on the construction information.

6 . An interference control method for wireless communication using a controller that controls an amount of interference to which an interfered-with wireless communicator whose wireless communication is to be protected is subjected by a plurality of interfering wireless communicators that perform wireless communication, the interference control method comprising:

a step of acquiring registration information including a position and a transmission power for each interfering wireless communicator;

a step of estimating, for each interfering wireless communicator, a terminal range in which there is a likelihood that a terminal wireless communicator communicating with the interfering wireless communicator is present based on the position and the transmission power; and

a step of transmitting a registration application including the terminal range to the controller.

7 . A repeater for wireless communication using a controller that controls an amount of interference to which an interfered-with wireless communicator whose wireless communication is to be protected is subjected by a plurality of interfering wireless communicators that perform wireless communication, the repeater comprising:

a processor; and

a memory storing a program executed by the processor,

wherein the processor executes:

a process of acquiring registration information including a position and a transmission power for each interfering wireless communicator;

a process of estimating, for each interfering wireless communicator, a terminal range in which there is a likelihood that a terminal wireless communicator communicating with the interfering wireless communicator is present based on the position and the transmission power; and

an application process of transmitting a registration application including the terminal range to the controller.

8 . A non-transitory program memory readable by machine for wireless communication for realizing the repeater according to claim 7 , the program instructs a processor to execute:

a process of acquiring registration information including a position and a transmission power for each interfering wireless communicator;

a process of estimating, for each interfering wireless communicator, a terminal range in which there is a likelihood that a terminal wireless communicator communicating with the interfering wireless communicator is present based on the position and the transmission power; and

an application process of transmitting a registration application including the terminal range to the controller.

9 . The interference control system for wireless communication according to claim 2 ,

wherein the controller includes

a control processor, and

the control processor executes:

a process of acquiring a position of the interfered-with wireless communicator;

a process of reading the terminal range from the registration application;

a process of estimating a representative point that subjects the interfered-with wireless communicator to a maximum amount of interference in the terminal range based on the position of the interfered-with wireless communicator;

a process of registering the representative point estimated by the process as a position of an interfering wireless communicator that has issued the registration application for the interfered-with wireless communicator;

a process of calculating a total amount of interference received by the interfered-with wireless communicator based on the representative point registered by the process; and

a process of determining allocation of a communication resource to each of the interfering wireless communicators based on the total amount of interference.

10 . The interference control system for wireless communication according to claim 3 , further comprising:

a subscriber database that stores information about a position of each of the interfering wireless communicators,

wherein the subscriber database stores construction information about an actual installation position of the interfering wireless communicator, and

the processor further executes:

a process of acquiring an error between the position of the interfering wireless communicator acquired as the registration information and the actual installation position based on the construction information; and

a process of correcting the representative point based on the error.

11 . The interference control system for wireless communication according to claim 3 , further comprising:

a subscriber database that stores information about a position of each of the interfering wireless communicators,

wherein the subscriber database stores construction information about a range in which there is a likelihood that the interfering wireless communicator is relocated, and

the processor further executes a process of converting information about the representative point into information about a representative point range including information about the range based on the construction information.