Title:
METHOD AND DEVICE FOR ENHANCING POWER OF SIGNAL IN WIRELESS COMMUNICATION SYSTEM USING IRS
Document Type and Number:
WIPO Patent Application WO/2022/080896
Kind Code:
A1
Abstract:
A method for enhancing receiving signal power at a receiver is provided. The method includes estimating a channel gain by transmitting a pilot signal to the receiver through each antenna from a plurality of antennas of a transmitter and an IRS, determining an antenna selection metric based on the channel gain in transmitting the pilot signal to the receiver through each antenna of the transmitter and the IRS, identifying an antenna from the plurality of antennas that causes to provide the largest antenna selection metric, determining a reflection coefficient for each reflector of the IRS based on the identified antenna, configuring the reflectors of the IRS with the reflection coefficient, and transmitting the signal to the receiver through the identified antenna and the configured reflectors.
Inventors:
RIMALAPUDI SARVENDRANATH (IN)
CHAVVA ASHOK KUMAR REDDY (IN)
CHAVVA ASHOK KUMAR REDDY (IN)
Application Number:
PCT/KR2021/014249
Publication Date:
April 21, 2022
Filing Date:
October 14, 2021
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04B7/0413; G06N3/02; H04B7/0426; H04B7/06; H04B7/08; H04L25/02
Foreign References:
| CN111211824A | 2020-05-29 |
Other References:
YOU CHANGSHENG, ZHENG BEIXIONG, ZHANG RUI: "Channel Estimation and Passive Beamforming for Intelligent Reflecting Surface: Discrete Phase Shift and Progressive Refinement", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, 24 March 2020 (2020-03-24), pages 1 - 16, XP055922073, Retrieved from the Internet [retrieved on 20220517], DOI: 10.1109/JSAC.2020.3007056
YAZHENG WANG; HANCHENG LU; DAN ZHAO; HUAN SUN: "Energy Efficiency Optimization in IRS-Enhanced mmWave Systems with Lens Antenna Array", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 2 July 2020 (2020-07-02), 201 Olin Library Cornell University Ithaca, NY 14853 , XP081713613
YIFEI YANG; BEIXIONG ZHENG; SHUOWEN ZHANG; RUI ZHANG: "Intelligent Reflecting Surface Meets OFDM: Protocol Design and Rate Maximization", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 21 June 2019 (2019-06-21), 201 Olin Library Cornell University Ithaca, NY 14853 , XP081537305
ABDELRAHMAN TAHA; YU ZHANG; FARIS B. MISMAR; AHMED ALKHATEEB: "Deep Reinforcement Learning for Intelligent Reflecting Surfaces: Towards Standalone Operation", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 25 February 2020 (2020-02-25), 201 Olin Library Cornell University Ithaca, NY 14853 , XP081607790
SARVENDRANATH RIMALAPUDI ET AL.: "2021 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC", 29 March 2021, IEEE, article "Low-Complexity Joint Antenna Selection and Beamforming for an IRS Assisted System", pages: 1 - 6
JUNG MINCHAE ET AL.: "ICC 2020 - 2020 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC", 7 June 2020, IEEE, article "Asymptotic Optimality of Reconfigurable Intelligent Surfaces: Passive Beamforming and Achievable Rate", pages: 1 - 6
See also references of EP 4173156A4
YAZHENG WANG; HANCHENG LU; DAN ZHAO; HUAN SUN: "Energy Efficiency Optimization in IRS-Enhanced mmWave Systems with Lens Antenna Array", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 2 July 2020 (2020-07-02), 201 Olin Library Cornell University Ithaca, NY 14853 , XP081713613
YIFEI YANG; BEIXIONG ZHENG; SHUOWEN ZHANG; RUI ZHANG: "Intelligent Reflecting Surface Meets OFDM: Protocol Design and Rate Maximization", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 21 June 2019 (2019-06-21), 201 Olin Library Cornell University Ithaca, NY 14853 , XP081537305
ABDELRAHMAN TAHA; YU ZHANG; FARIS B. MISMAR; AHMED ALKHATEEB: "Deep Reinforcement Learning for Intelligent Reflecting Surfaces: Towards Standalone Operation", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 25 February 2020 (2020-02-25), 201 Olin Library Cornell University Ithaca, NY 14853 , XP081607790
SARVENDRANATH RIMALAPUDI ET AL.: "2021 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC", 29 March 2021, IEEE, article "Low-Complexity Joint Antenna Selection and Beamforming for an IRS Assisted System", pages: 1 - 6
JUNG MINCHAE ET AL.: "ICC 2020 - 2020 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC", 7 June 2020, IEEE, article "Asymptotic Optimality of Reconfigurable Intelligent Surfaces: Passive Beamforming and Achievable Rate", pages: 1 - 6
See also references of EP 4173156A4
Attorney, Agent or Firm:
LEE, Keon-Joo et al. (KR)
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