公开(公告)号：US20220078790A1

公开(公告)日：2022-03-10

申请号：US17468563

申请日：2021-09-07

Applicant: Korea Electronics Technology Institute

Inventor： Yong Ju PARK ,  Yong Seok LIM

IPC: H04W72/04 ,  H04B7/06 ,  H04W74/04 ,  H02J50/20 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90

Abstract: 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).