Title:
TERMINAL AND COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2022/190335
Kind Code:
A1
Abstract:
This terminal has: a communication unit that performs, with a base station, communication to which dual connectivity is applied; a reception unit that receives, from the base station, signaling indicating an instruction to activate a secondary cell group, and signaling indicating an instruction to deactivate the secondary cell group; and a control unit that deactivates the secondary cell group and switches to a band including a synchronization signal when the reception unit has received the signaling indicating an instruction to deactivate the secondary cell group.
Inventors:
HARADA KOUHEI (JP)
HANAKI AKIHITO (JP)
SAITO KEISUKE (JP)
HANAKI AKIHITO (JP)
SAITO KEISUKE (JP)
Application Number:
PCT/JP2021/009937
Publication Date:
September 15, 2022
Filing Date:
March 11, 2021
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
International Classes:
H04W72/04; H04W76/36
Other References:
INTERDIGITAL INC.: "On Support of Activation/Deactivation for SCG", 3GPP DRAFT; R2-2101312, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Electronic; 20210125 - 20210205, 15 January 2021 (2021-01-15), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051974253
HUAWEI: "[AT113-e][230][eDCCA] Solution alternatives for SCG activation and deactivation (Huawei)", 3GPP DRAFT; R2-2101969, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Online; 20210125 - 20210205, 5 February 2021 (2021-02-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051978145
NTT DOCOMO, INC.: "Further consideration on SCG activation and deactivation", 3GPP DRAFT; R2-2104237, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. electronic; 20210412 - 20210420, 5 April 2021 (2021-04-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051992620
HUAWEI: "[AT113-e][230][eDCCA] Solution alternatives for SCG activation and deactivation (Huawei)", 3GPP DRAFT; R2-2101969, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. Online; 20210125 - 20210205, 5 February 2021 (2021-02-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051978145
NTT DOCOMO, INC.: "Further consideration on SCG activation and deactivation", 3GPP DRAFT; R2-2104237, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG2, no. electronic; 20210412 - 20210420, 5 April 2021 (2021-04-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051992620
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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