Title:
BEAMFORMING GENERATION METHOD IN SYSTEM FOR SIMULTANEOUSLY TRANSMITTING WIRELESS INFORMATION AND POWER, AND RECORDING MEDIUM AND APPARATUS FOR PERFORMING SAME
Document Type and Number:
WIPO Patent Application WO/2020/080629
Kind Code:
A1
Abstract:
A beamforming generation method in a system for simultaneously transmitting wireless information and power, and an apparatus for performing same can derive a transmission signal to be transmitted from a base station having an NT (wherein, NT is a natural number) number of antennas to a plurality of information users and a plurality of energy users, derive the signal-to-interference-plus-noise-ratio (SINR) of each ith (wherein, i is a natural number) information user included in an mth (wherein, m is a natural number) cell by using noise power of the ith (wherein, i is a natural number) information user, derive the energy harvesting amount, of a jth (wherein, j is a natural number) energy user, included in the mth (wherein, m is a natural number) cell, and generate beamforming by using transmission signal power at the base station and the total energy harvesting amount of the plurality of energy users that receive the transmission signal from the base station.
Therefore, effects of satisfying quality of service (QoS) of an information user and a transmission power limitation and, simultaneously, minimizing the transmission power of a base station while maximizing the energy harvesting amount of energy users can be improved.
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Inventors:
LEE INKYU (KR)
JANG SEOKJU (KR)
JANG SEOKJU (KR)
Application Number:
PCT/KR2019/005399
Publication Date:
April 23, 2020
Filing Date:
May 07, 2019
Export Citation:
Assignee:
UNIV KOREA RES & BUS FOUND (KR)
International Classes:
H04B7/06; H02J50/23; H02J50/40; H04B17/336
Foreign References:
| KR20180010057A | 2018-01-30 |
Other References:
SEOKJU JANG: "Energy Efficient SWIPT Systems in Multi- cell MISO Networks", IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 16 October 2018 (2018-10-16)
JIE XU: "Multiuser MISO Beamforming for Simultaneous Wireless Information and Power Transfer", ARXIV:1303.1911V3, 16 January 2014 (2014-01-16), XP032508999
SHUAI WANG: "Space-Time Signal Optimization for SWIPT: Linear Versus Nonlinear Energy Harvesting Model", IEEE COMMUNICATIONS LETTERS, vol. 22, no. 2, February 2018 (2018-02-01), XP055702177, Retrieved from the Internet [retrieved on 20190704]
ELENA BOSHKOVSKA: "Practical Non-Linear Energy Harvesting Model and Resource Allocation in SWIPT Systems", ARXIV:1602.00833, 2 February 2016 (2016-02-02), XP011593017
JIE XU: "Multiuser MISO Beamforming for Simultaneous Wireless Information and Power Transfer", ARXIV:1303.1911V3, 16 January 2014 (2014-01-16), XP032508999
SHUAI WANG: "Space-Time Signal Optimization for SWIPT: Linear Versus Nonlinear Energy Harvesting Model", IEEE COMMUNICATIONS LETTERS, vol. 22, no. 2, February 2018 (2018-02-01), XP055702177, Retrieved from the Internet
ELENA BOSHKOVSKA: "Practical Non-Linear Energy Harvesting Model and Resource Allocation in SWIPT Systems", ARXIV:1602.00833, 2 February 2016 (2016-02-02), XP011593017
Attorney, Agent or Firm:
YUN, Kuisang (KR)
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