Title:
CONTROL DEVICE FOR ENHANCING HANDOVER PROCESS OF WIRELESS RELAY STATION, RELAY DEVICE, AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2022/234817
Kind Code:
A1
Abstract:
Provided is a control device which, when a first communication path is formed by establishment of wireless connections of a plurality of relay stations from another control device: receives, from the other control device, first information for enabling handover from under the other control device to under the control device without performing transmission of a message to the other control device in response to a predetermined condition being satisfied by a first relay device included in the plurality of relay stations, and second information indicating a second relay device connected on the opposite side to the control device in the first communication path as seen from the first relay device among the plurality of relay stations; generates configuration information for forming a second communication path by the first relay device and the second relay device operating as relay stations for relaying communications of the control device if the first relay device has been handed over to under the control device; and transmits the configuration information to the other control device.
Inventors:
LI YANWEI (JP)
TAKEDA HIROKI (JP)
TAKEDA HIROKI (JP)
Application Number:
PCT/JP2022/019319
Publication Date:
November 10, 2022
Filing Date:
April 28, 2022
Export Citation:
Assignee:
KDDI CORP (JP)
International Classes:
H04W16/26; H04W36/10; H04W40/36
Domestic Patent References:
| WO2020032127A1 | 2020-02-13 |
Other References:
ZTE, SANECHIPS: "Discussion on supporting R16 CHO and DAPS in IAB", 3GPP DRAFT; R3-206560, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. Online; 20201102 - 20201112, 23 October 2020 (2020-10-23), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051945944
CATT: "Group Handover in Inter IAB donor-CU", 3GPP DRAFT; R3-204733, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. E-meeting; 20200817 - 20200828, 7 August 2020 (2020-08-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051915622
KDDI CORPORATION: "Considerations on reducing signal overhead during Inter-donor IAB node migration", 3GPP DRAFT; R3-204660, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. Online; 20200817 - 20200828, 6 August 2020 (2020-08-06), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051911226
CATT: "Group Handover in Inter IAB donor-CU", 3GPP DRAFT; R3-204733, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. E-meeting; 20200817 - 20200828, 7 August 2020 (2020-08-07), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051915622
KDDI CORPORATION: "Considerations on reducing signal overhead during Inter-donor IAB node migration", 3GPP DRAFT; R3-204660, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. Online; 20200817 - 20200828, 6 August 2020 (2020-08-06), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051911226
Attorney, Agent or Firm:
OHTSUKA PATENT OFFICE, P.C. (JP)
Download PDF: