Patent ID: 9736884
Date: 2017-08-15
CPC Classifications: H04W,Y02D

Claim:
1. A wireless medical sensor network of devices including at least one duty-cycling medical sensor, at least one other non-medical duty-cycling device and a coordinator device, the at least one duty-cycling medical sensor comprising: sensing means operable to detect values of a life parameter of a patient; transmission and reception means for wireless communication with other devices in the network; and sensor control means operable to control a sleep pattern of the sensor; and the coordinator device comprising transmission and reception means for wireless communication with other devices in the network; wherein a plurality of predefined sleep patterns is provided, the choice of a suitable sleep pattern being determined according to a number of life parameter value thresholds, each threshold defining a boundary between a lower wake-up and a higher wake-up sleep pattern; wherein the sensor transmission means is operable to transmit value information as to the life parameter and the coordinator device transmission means is operable to transmit an indication of a suitable sensor sleep pattern determined centrally by comparing the transmitted value information with the thresholds for the life parameter; and wherein the coordinator device is operable to transmit suitable sleep patterns for each of the duty-cycling devices, a suitable sleep pattern transmitted to at least one non-medical duty-cycling device additionally taking into account at least one external factor not related to that non-medical duty-cycling device, in the form of the number of the medical sensor devices in the network in a predefined emergency state.