Patent ID: 8406769

Claim:
In a leadership support system in a wireless network of nodes, each of which comprises a leadership support terminal for relaying communication information for use in supervision of leadership, for supervising movement of a user carrying said leadership support terminal, each of said leadership support terminals comprising: a transmitter/receiver for transmitting and receiving the communication information; a data storage in which terminal identification information for identifying another of said leadership support terminals communicable with said leadership support terminal is recorded; an information analyzer for determining presence or absence of a danger of isolation, based on at least the terminal identification information, recorded in the communication information or said data storage, which is transmitted and received between said leadership support terminals; and an information presenter for outputting warning information indicative of a danger of isolation according to a determination result of said information analyzer, wherein said transmitter/receiver transmits at least an information sending request which contains source terminal identification information and destination terminal identification information, and wherein said information analyzer determines, in response to reception of an information sending response to the information sending request, whether or not a number of times relaying the information sending response is less than a predetermined value, and causes, when the number of times is not less than the predetermined value, said transmitter/receiver to transmit warning information indicative of the danger of isolation to the leadership support terminal that transmitted the information sending response.