COMMUNICATION APPARATUS, COMMUNICATION TERMINAL APPARATUS, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

摘要

A power-consumption-information collecting apparatus (1) that is a communication apparatus that transmits and receives data to and from power meters (2) with a device control function that are a plurality of communication terminal apparatuses includes: a management packet generation unit (100) that generates a management packet including terminal identification information that indicates a power meter with a device control function (2) permitted to transmit data in a predetermined period, and a priority index that indicates a priority of data to be transmitted in the predetermined period; a transmission unit (111) that transmits the management packet to the power meters (2) with a device control function; and a receiving unit (112) that receives data from a power meter (2) with a device control function determined based on the terminal identification information and the priority index, in the predetermined period.