INTERFERENCE DETECTION AND INTERFERENCE SUPPRESSION OF REVERSE LINK COMMUNICATION IN FEEDER LINK OF HAPS COMMUNICATION SYSTEM

(19)

(11)

EP 3 996 411 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	24.01.2024 Bulletin 2024/04

(45)	Mention of the grant of the patent:
	20.12.2023 Bulletin 2023/51

(21)	Application number: 20835461.3

(22)	Date of filing: 13.02.2020

(51)

International Patent Classification (IPC):

H04W 24/08^(2009.01)
H04B 7/185^(2006.01)
H04B 10/11^(2013.01)

H04B 17/345^(2015.01)
H04W 84/06^(2009.01)

(52)	Cooperative Patent Classification (CPC):
	H04W 24/08; H04W 84/06; H04B 7/18504; H04B 10/1123; H04B 10/25752

(86)	International application number:
	PCT/JP2020/005485

(87)	International publication number:
	WO 2021/002045 (07.01.2021 Gazette 2021/01)

(54)

INTERFERENCE DETECTION AND INTERFERENCE SUPPRESSION OF REVERSE LINK COMMUNICATION IN FEEDER LINK OF HAPS COMMUNICATION SYSTEM

INTERFERENZDETEKTION UND INTERFERENZUNTERDRÜCKUNG BEI RÜCKWÄRTSVERBINDUNGSKOMMUNIKATION IN EINER ZUFÜHRUNGSVERBINDUNG EINES HAPS-KOMMUNIKATIONSSYSTEMS

PROCÉDÉ DE DÉTECTION ET D'INHIBITION D'INTERFÉRENCES DE COMMUNICATION DE LIAISON DE RETOUR DANS UNE LIAISON MONTANTE DE SYSTÈME DE COMMUNICATION TYPE PLATEFORME À HAUTE ALTITUDE

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30)

Priority:

03.07.2019 JP 2019124654

(43)	Date of publication of application:
	11.05.2022 Bulletin 2022/19

(73)	Proprietor: SoftBank Corp.
	Tokyo (JP)

(72)	Inventor:
	HIRAI Ryoji Tokyo 105-7317 (JP)

(74)	Representative: SSM Sandmair
	Patentanwälte Rechtsanwalt Partnerschaft mbB Joseph-Wild-Straße 20 81829 München 81829 München (DE)

(56)

References cited: :

WO-A1-2018/037512
US-B2- 6 684 057

US-A1- 2006 105 707

ANGGORO K WIDIAWAN ET AL: "High Altitude Platform Station (HAPS): A Review of New Infrastructure Development for Future Wireless Communications", WIRELESS PERSONAL COMMUNICATIONS, KLUWER ACADEMIC PUBLISHERS, DO, vol. 42, no. 3, 15 August 2006 (2006-08-15), pages 387-404, XP019509812, ISSN: 1572-834X
FUJII TAKAFUMI ET AL: "A Study on Signal Band Division Interference Canceller for HAPS Feeder Links with Multi-Gateways", 2020 IEEE 91ST VEHICULAR TECHNOLOGY CONFERENCE (VTC2020-SPRING), IEEE, 25 May 2020 (2020-05-25), pages 1-7, XP033787272, DOI: 10.1109/VTC2020-SPRING48590.2020.9129607 [retrieved on 2020-06-29]
FUJII, TAKAFUMI et al.: "A study on efficient spectrum utilization for feeder link using multipe gateways in HAPS system", IEICE Technical Report RCS2018- 203, vol. 118, no. 311, 13 November 2018 (2018-11-13), pages 143-148, XP009524055,

Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).