[P6] Kyoung-Jae, Suho Shin, Derek Kwaku Pobi Asiedu, and Yongseok Lim, "Joint resource allocation apparatus and method for multi-user OFDMA SWIPT systems", Korea Patent, 10-2280903, July 19, 2021 (10-2018-0145231, Nov. 2018)
[P5] Kyoung-Jae Lee, Derek Kwaku Pobi Asiedu, and Yongseok Lim, "Wireless power communication system and method", Korea Patent, 10-2253092, May 11, 2012, (10-2018-0141788, Nov. 2018; 10-2019-0147997, Nov. 18, 2019)
[P4] Kyoung-Jae Lee and Derek Kwaku Pobi Asiedu, "Multi-hop relay wireless communication system and method", Korea Patent, 10-220990, Jan.2021 (10-2018-0145230, Nov. 2018; 10-2019-0151201, Nov. 2019)
[P3] Kyoung-Jae Lee and Derek Kwaku Pobi Asiedu, "Batteryless multiple relay system and method", Korea Patent, 10-2127678, June 2020 (10-2017-0154173, Nov. 2017 / 10-2018-0141787, Nov. 2018)
[P2] Kyoung-Jae Lee and Derek Kwaku Pobi Asiedu, "Apparatus and method for wireless power transfer based communications with distributed beamforming in multiple-relay systems", Korea Patent, 10-1972397 (10-2018-0004621), Apr. 2019
[P1] Kyoung-Jae Lee and Derek Kwaku Pobi Asiedu, "Simultaneous wireless power and information transfer beamforming apparatus and method for multiple-relay systems", Korea Patent, 10-1965665, Mar. 2019
[PP5] Kyoung-Jae Lee and Derek Kwaku Pobi Asiedu, "Hybrid wireless powerline communication system with improved security", applied to PCT, KR2020/014495, Oct. 22, 2020
[PP4] Kyoung--Jae Lee and Derek Kwaku Pobi Asiedu, "Security apparatus and method in hybrid wireless powerline communication system", applied to PCT, KR2020/014391, Oct. 21, 2020
[PP3] Kyoung-Jae Lee and Derek Kwaku Pobi Asiedu, "Hybrid wireless powerline communication system with improved security", applied to Korea Patent, 10-2020-0092486, July 24, 2020
[PP2] Kyoung-Jae Lee and Derek Kwaku Pobi Asiedu, "Security apparatus and method in hybrid wireless powerline communication system", applied to Korea Patent, 10-2020-0092485, July 24, 2020
[PP1] Kyoung-Jae Lee and Derek Kwaku Pobi Asiedu, "Simultaneous wireless power and information transfer beamforming apparatus and method for multiple-relay systems", applied for PCT, KR2018/001000, Jan. 2018
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