A control circuit for a wireless relay station for a ladder-type wireless relay network along a movement route of a moving object, the control circuit causing the wireless relay station to: include station identification information in the wireless relay network that is assigned sequentially along the movement route to each of wireless relay stations included in the wireless relay network and deployed along the movement route, to configure, using a first routing table that provides an IP address of a destination wireless relay station in a destination IP address field, a second routing table including the IP address, the station identification information, and an information update time, being associated with one another, of the destination wireless relay station, exchange routing information with nearby relay stations and a mobile station using a routing protocol, update the first routing table, and update, using the updated first routing table, the second routing table, and to provide control to share, among the wireless relay stations included in the wireless relay network, the configured and updated second routing table with each of the wireless relay stations; and perform wireless relay communication with another one of the wireless relay stations based on the updated first and second routing tables, wherein the second routing table includes a location accuracy metric value of a wireless relay station represented by the station identification information, wherein the second routing table further includes: a received electric field strength measurement value of a signal transmitted from a wireless relay station represented by the station identification information, and wherein the second routing table further includes at least one of: an inter-station distance measurement value representing a distance from a wireless relay station represented by the station identification information, and positioning information representing a location of a wireless relay station represented by the station identification information. include station identification information in the wireless relay network that is assigned sequentially along the movement route to each of wireless relay stations included in the wireless relay network and deployed along the movement route, to configure, using a first routing table that provides an IP address of a destination wireless relay station in a destination IP address field, a second routing table including the IP address, the station identification information, and an information update time, being associated with one another, of the destination wireless relay station, exchange routing information with nearby relay stations and a mobile station using a routing protocol, update the first routing table, and update, using the updated first routing table, the second routing table, and to provide control to share, among the wireless relay stations included in the wireless relay network, the configured and updated second routing table with each of the wireless relay stations; and perform wireless relay communication with another one of the wireless relay stations based on the updated first and second routing tables, wherein the second routing table includes a location accuracy metric value of a wireless relay station represented by the station identification information, wherein the second routing table further includes: a received electric field strength measurement value of a signal transmitted from a wireless relay station represented by the station identification information, and wherein the second routing table further includes at least one of: an inter-station distance measurement value representing a distance from a wireless relay station represented by the station identification information, and positioning information representing a location of a wireless relay station represented by the station identification information. an inter-station distance measurement value representing a distance from a wireless relay station represented by the station identification information, and positioning information representing a location of a wireless relay station represented by the station identification information.