Management device, terminal device, management method, channel scanning method, and memory medium that carry out channel scanning processing of wireless circuit

1. A management device comprising:

a reception device that receives positional information of a terminal device from the terminal device via a base station device that uses at least one of a plurality of channels;

a generation device that generates channel information related to a channel in scan processing of the terminal device on the basis of the positional information received by the reception device;

a storage device that stores a database that is to be referred to when the generation device generates the channel information on the basis of the positional information and that indicates a relation between the positional information and the priority channel; and

a transmission device that transmits the channel information generated by the generation device to the terminal device via the base station device; wherein

the channel information generated by the generation device indicates a priority channel to be used in priority when the terminal device carries out the scan processing, and

the database stored in the storage device indicates the relation between the positional information and the priority channel such that a boundary between different priority channels is arranged at a position where a difference in reception power on the different priority channels is smaller than a threshold.

2. A management device comprising:

a reception device that receives positional information of a terminal device from the terminal device via a base station device that uses at least one of a plurality of channels;

a generation device that generates channel information related to a channel in scan processing of the terminal device on the basis of the positional information received by the reception device;

a transmission device that transmits the channel information generated by the generation device to the terminal device via the base station device;

a connection device that connects to a plurality of base station devices;

a detection device that detects a failure that has occurred in any one of the plurality of base station devices connected to the connection device; and

a request device that, when the detection device has detected the failure, requests the terminal device to transmit the positional information via a base station device other than the base station device in which the failure has occurred; wherein

the reception device receives the positional information after the request device has requested the positional information to be transmitted.

3. The management device according to claim 2 , wherein the channel information generated by the generation device indicates a priority channel to be used in priority when the terminal device carries out the scan processing.

4. The management device according to claim 2 , wherein the channel information generated by the generation device indicates a plurality of priority channels that are to be used in priority when the terminal device carries out the scan processing and that are of different priority ranking.

5. The management device according to claim 2 , further comprising:

a storage device that stores a database that is to be referred to when the generation device generates the channel information on the basis of the positional information and that indicates a relation between the positional information and the priority channel; wherein

the database stored in the storage device indicates the relation between the positional information and the priority channel such that a boundary between different priority channels is arranged at a position where a difference in reception power on the different priority channels is smaller than a threshold.

6. A method of scanning channels in a communication system including a terminal device and a management device for managing a base station device using one of a plurality of channels, wherein the terminal device is communicable with the base station device via the one of the plurality of channels and the management device includes a reception device, a generation device, and a transmission device, the channel-scanning method comprising the steps of:

receiving, in the reception device, positional information of the terminal device from the terminal device via the base station device;

generating, in the generation device, channel information related to a channel in scan processing of the terminal device on the basis of the received positional information; and

transmitting, through the transmission device, the generated channel information to the terminal device via the base station device; wherein

the channel information generated in the generating step indicates a priority channel to be used in priority when the terminal device carries out the scan processing, and

a database, that is to be referred to when the generation step generates the channel information on the basis of the positional information and that indicates a relation between the positional information and the priority channel, indicates the relation between the positional information and the priority channel such that a boundary between different priority channels is arranged at a position where a difference in reception power on the different priority channels is smaller than a threshold.

7. A method of scanning channels in a communication system including a terminal device and a management device for managing a base station device using one of a plurality of channels, wherein the terminal device is communicable with the base station device via the one of the plurality of channels and the management device includes a reception device, a generation device, and a transmission device, the channel-scanning method comprising the steps of:

receiving, in the reception device, positional information of the terminal device from the terminal device via the base station device;

generating, in the generation device, channel information related to a channel in scan processing of the terminal device on the basis channel information related to a channel in scan processing of the terminal device on the basis of the received positional information;

transmitting, through the transmission device, the generated channel information to the terminal device via the base station device;

connecting to a plurality of base station devices;

detecting a failure that has occurred in any one of the plurality of base station devices connected; and

when the failure is detected, requesting the terminal device to transmit the positional information via a base station device other than the base station device in which the failure has occurred; wherein

the receiving step receives the positional information after the requesting step has requested the positional information to be transmitted.

8. A non-transitory computer-readable memory medium storing a computer program for, in a communication system including a terminal device and a management device for managing a base station device using one of a plurality of channels, wherein the terminal device is communicable with the base station device via the one of the plurality of channels and the management device includes a reception device, a generation device, and a transmission device, causing the base-station management device to execute steps of:

receiving, in the reception device, positional information of the terminal device from the terminal device via the base station device;

generating, in the generation device, channel information related to a channel in scan processing of the terminal device on the basis of the received positional information; and

transmitting, through the transmission device, the generated channel information to the terminal device via the base station device; wherein

the channel information generated in the generating step indicates a priority channel to be used in priority when the terminal device carries out the scan processing, and

a database, that is to be referred to when the generation step generates the channel information on the basis of the positional information and that indicates a relation between the positional information and the priority channel, indicates the relation between the positional information and the priority channel such that a boundary between different priority channels is arranged at a position where a difference in reception power on the different priority channels is smaller than a threshold.

9. A non-transitory computer-readable memory medium storing a computer program for, in a communication system including a terminal device and a management device for managing a base station device using one of a plurality of channels, wherein the terminal device is communicable with the base station device via the one of the plurality of channels and the management device includes a reception device, a generation device, and a transmission device, causing the base-station management device to execute steps of:

receiving, in the reception device, positional information of the terminal device from the terminal device via the base station device;

generating, in the generation device, channel information related to a channel in scan processing of the terminal device on the basis of the received positional information;

transmitting, through the transmission device, the generated channel information to the terminal device via the base station device;

connecting to a plurality of base station devices;

detecting a failure that has occurred in any one of the plurality of base station devices connected; and

when the failure is detected, requesting the terminal device to transmit the positional information via a base station device other than the base station device in which the failure has occurred; wherein

the receiving step receives the positional information after the requesting step has requested the positional information to be transmitted.