WIRELESS COOPERATIVE CHARGING SYSTEM AND METHOD FOR INCREASING POWER RECEIVING EFFICIENCY DURING SIMULTANEOUS INFORMATION AND POWER TRANSFER

Provided is a power transmission and reception system and a power transmission and reception system method capable of simultaneously transmitting/receiving data and power and including an array antenna including a plurality of antennas, a radio frequency (RF) unit and a baseband unit provided for data transmission and reception, a slot allocation unit configured to allocate a channel for power transfer and a slot for data transmission in a Contention Access Period (CAP) section, and allocate a slot for power transfer in consideration of whether to perform cooperative charging with a nearby another Simultaneous Wireless Information and Power Transfer (SWIPT) power transfer system, and a power supply and beamforming control unit configured to adjust the array antenna such that a power signal to be transmitted is beamformed according to a positioning beacon from a power receiving unit (PRU).