APPARATUS AND A METHOD FOR OPTIMIZING TRANSMISSION POWER OF A WIRELESS PRIVATE SIMPLE NETWORK, ESPECIALLY DETERMINING STANDARD TRANSMISSION POWER BETWEEN A MASTER DEVICE AND A SLAVE DEVICE

摘要

PURPOSE: An apparatus and method for optimizing transmission power of a wireless private simple network are provided to enable nodes to reduce transmission power consumption while maintaining a suitable level of communication quality by performing a protocol for optimizing transmission power. CONSTITUTION: A communicating unit(10) transmits or receives a data packet in the air. A power measuring unit(20) measures power of the data packet received through a receiver(4). A power adjusting unit(30) adjusts transmission power of a transmitter(2). A memory(50) stores a transmission power value with respect to each slave. A link quality measuring unit(32) measures link quality with respect to a specific slave based on the measured reception power of the data packet and a reception state parameter of the data packet. A link quality comparing unit(34) compares the reception link quality and pre-set reference link quality and obtains a difference. A power adjusting value determining unit(36) determines whether to increase or reduce power to be transmitted to the slave according to the comparison result value. A controller(40) broadcasts a packet with content requesting the slave to adjust transmission power according to the determined power adjustment value through the transmitter(2).