(19)
(11)EP 3 657 902 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
04.11.2020 Bulletin 2020/45

(43)Date of publication A2:
27.05.2020 Bulletin 2020/22

(21)Application number: 19210569.0

(22)Date of filing:  21.11.2019
(51)International Patent Classification (IPC): 
H04W 92/20(2009.01)
H04W 76/30(2018.01)
H04W 28/00(2009.01)
H04W 16/32(2009.01)
H04W 76/38(2018.01)
H04W 76/15(2018.01)
(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

(30)Priority: 21.11.2018 KR 20180144848

(71)Applicant: Samsung Electronics Co., Ltd.
Gyeonggi-do 16677 (KR)

(72)Inventors:
  • RYOO, Sunheui
    16677 Suwon-si (KR)
  • LIM, Hyungtaig
    16677 Suwon-si (KR)
  • CHA, Hwajin
    16677 Suwon-si (KR)
  • KIM, Janghwan
    16677 Suwon-si (KR)
  • LEE, Jeongyoon
    16677 Suwon-si (KR)

(74)Representative: HGF 
1 City Walk
Leeds LS11 9DX
Leeds LS11 9DX (GB)

  


(54)METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNALS IN WIRELESS COMMUNICATION SYSTEM


(57) A method of a first base station in a communication system and an apparatus therefor are provided. The method includes determining an addition mode configured to add a second base station, identifying whether to add the second base station based on the addition mode, and performing a procedure of adding the second base station based on the second base station being identified as being added. The addition mode may indicate one of a combination of at least one of a blind addition, a traffic criterion addition and a measurement report criterion addition. The method may be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail business, security and safety-related service) based on the 5th generation (5G) communication technology and Internet of Things (IoT)-related technology. The method and apparatus propose a connection management method in a dual connectivity system.







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