Title:
APPARATUS AND METHOD FOR N1-N2 BITMAP GENERATION FOR CELLULAR COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/008682
Kind Code:
A1
Abstract:
Methods and apparatuses in a wireless communication system is provided. A base station (BS) includes a transceiver and at least one processor. The processor regulates a transmit power in a direction of an earth station or a predefined receiver by: calculating a power flux density for the BS to the earth station or the predefined receiver; calculating an equivalent antenna gain for other base stations; calculating a directional power back-off level for the other base stations with respect to the earth station or the predefined receiver; generating a restricted precoding matrix indicator based on the calculated directional power back-off level; generating an N1-N2 bitmap for the BS; and applying the N1-N2 bitmap for signal transmission to at least one UE. The N1-N2 bitmap is generated based on: physical parameters of the earth station of the predefined receiver; physical parameters of the BS; an operator input metric; or restricted precoding matrix indicator.
Inventors:
CHEN HAO (US)
LENG SHIYANG (US)
IBRAHIM AHMED ATEF IBRAHIM (US)
LEE NAMJEONG (KR)
HUR SOOYOUNG (KR)
LENG SHIYANG (US)
IBRAHIM AHMED ATEF IBRAHIM (US)
LEE NAMJEONG (KR)
HUR SOOYOUNG (KR)
Application Number:
PCT/KR2022/004872
Publication Date:
February 02, 2023
Filing Date:
April 05, 2022
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04W84/06; H04B7/06; H04W52/14; H04W52/34
Domestic Patent References:
| WO2020051508A1 | 2020-03-12 |
Foreign References:
| US20120099666A1 | 2012-04-26 | |||
| US20210153143A1 | 2021-05-20 | |||
| US20160337047A1 | 2016-11-17 |
Other References:
SATELIOT, GATEHOUSE, THALES, KEPLER: "Discussion on NB-IoT NTN scenarios with small satellites / CubeSats", 3GPP DRAFT; R1-2100521, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. e-Meeting; 20210125 - 20210205, 18 January 2021 (2021-01-18), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051970426
Attorney, Agent or Firm:
LEE, Keon-Joo et al. (KR)
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