COMMUNICATION CONTROL METHOD AND RELAY DEVICE

WIPO Patent Application WO/2021/025145

A1

This communication control method is performed in a relay device included in a plurality of relay devices in a system in which an upstream path using the plurality of relay devices is formed between a user device and a first donor device. The communication control method comprises: transferring data received from a lower-level device in a level lower than the relay device in the upstream path to a first higher-level device in a level higher than the relay device; buffering data that has not been transmitted to the first higher-level device; in the event of a failure in a backhaul link established between the relay device and the first higher-level device, re-establishing a backhaul link of the relay device with a second higher-level device; and, on the basis of whether a second donor device that manages the second higher-level device is identical to the first donor device, determining whether the buffered data is to be transferred to the second higher-level device.

FUJISHIRO MASATO (JP)

PCT/JP2020/030337

February 11, 2021

August 07, 2020

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KYOCERA CORP (JP)

H04W24/04; H04B7/155; H04W36/12; H04W40/34; H04W76/36

JP2019145743A

2019-08-29

QUALCOMM INCORPORATED: "Support for NR IAB", 3GPP DRAFT; S2-1907203-SUPPORT FOR NR_IAB V6, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Sapparo, Japan, USA; 20190624 - 20190628, 18 June 2019 (2019-06-18), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, pages 1 - 8, XP051752172
See also references of EP 3996409A4

CURIUSE PATENT PROFESSIONAL CORPORATION (JP)

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