WIRELESS COMMUNICATION DEVICE, WIRELESS COMMUNICATION SYSTEM, COMMUNICATION ORDER AND WAKE TIME DETERMINATION METHOD, AND COMMUNICATION ORDER AND WAKE TIME DETERMINATION PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a wireless communication system capable of improving a power saving effect of the whole system.SOLUTION: Provided is a wireless communication system in which N communication devices are connected with an aggregation device in a tree topology. A second unit time, in which N first unit times each being a communication time between the aggregation device and one communication device are continuous, is intermittently set, and the aggregation device sequentially communicates with the all communication devices. The communication device performing relay uses consecutive first unit times of the number obtained by adding one to its subordinate number as a wake time, and communicates with the aggregation device at the last first unit time in the wake time, and uses the remaining wake time as a time for relay. The communication device at an end node uses the first unit times that becomes the time for relay in all communication devices relaying own communication as a wake time, and communicates with the aggregation device at this wake time.