Disclosed is a control method of a communication system comprising at least one sensor worn by a user, a wireless communication device, and a coordinator. The control method of the communication system may comprise the following steps: receiving, by the coordinator, a request of a proxy right for proxy with the at least one sensor and the coordinator from the wireless communication device and granting the proxy right to the wireless communication device； generating, by the wireless communication device, a user identifier corresponding to the user； searching for, by the wireless communication device, the at least one sensor worn by the user and forming a pair with the at least one searching for, by the wireless communication device, linking information for linking the coordinator and the sensor to the at least one searched sensor and receiving the linking information； requesting, by the wireless communication device, the coordinator and the sensor to the at least one searched sensor and receiving the linking information； requesting, by the wireless communication device, the coordinator for a linking proxy for linking between the at least one searched sensor and the coordinator and receiving the linking proxy in response to the request； and requesting, by the coordinator, the at least one searched sensor for data by linking to the at least one searched sensor for data by linking to the at least one searched sensor and receiving the data in response to the data request.
