(19)
(11) EP 4 338 515 A1

(12)

(43) Date of publication:
20.03.2024 Bulletin 2024/12

(21) Application number: 21941233.5

(22) Date of filing: 11.05.2021
(51) International Patent Classification (IPC): 
H04W 72/04(2023.01)
 H04L 5/00(2006.01)
(52) Cooperative Patent Classification (CPC):
H04L 5/0051; H04L 5/0023; H04L 5/0094; H04B 7/0604
(86) International application number:
PCT/CN2021/092973
(87) International publication number:
WO 2022/236657 (17.11.2022 Gazette 2022/46)
(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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Nokia Technologies Oy
02610 Espoo (FI)

(72) Inventors:
  • UMEDA, Hiromasa
    Kawasaki, Kanagawa 2428-4 (JP)
  • DU, Lei
    Beijing 100085 (CN)
  • KARJALAINEN, Juha Pekka
    90540 Oulu (FI)
  • PARK, Kyoungmin
    Suji Gu, Gyeonggi 16876 (KR)

(74) Representative: Nokia EPO representatives 
Nokia Technologies Oy Karakaari 7
02610 Espoo
02610 Espoo (FI)

   


(54) METHOD AND APPARATUS FOR DETERMINING GUARD PERIOD LOCATION FOR SRS ANTENNA SWITCHING