COMMUNICATION METHOD AND DEVICE

WIPO Patent Application WO/2020/215796

A1

The present application relates to a communication method and device. The communication method comprises: receiving first signaling, wherein the first signaling is used for indicating that a first logical channel is deactivated; according to whether a logical channel in an active state and the first logical channel belong to the same MAC entity, determining whether the association relationship between the logical channel in the active state and a carrier is applicable, wherein the first logical channel and the logical channel in the active state belong to the same radio bearer, and the radio bearer is configured with a PDCP repeat transmission function. By means of the method provided in the embodiments of the present application, after a logical channel is deactivated, it can be clarified which carriers should be used by the remaining logical channels, so that a terminal device can perform the correct operations.

XU BIN (CN)
CAO ZHENZHEN (CN)

PCT/CN2019/130433

October 29, 2020

December 31, 2019

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HUAWEI TECH CO LTD (CN)

H04W72/04

WO2018164499A1

2018-09-13

CN107342851A

2017-11-10

SAMSUNG.: "Discussion on PDCP Data Volume Calculation During PDCP Duplication.", 3GPP TSG-RAN WG2 MEETING #100 R2-1712964., 1 December 2017 (2017-12-01), XP051371077, DOI: 20200303124847X
NOKIA ET AL.: "Duplication with Multiple Legs in SgNB.", 3GPP TSG-RAN WG3 MEETING #103 R3-180218., 1 March 2019 (2019-03-01), XP051604161, DOI: 20200303124852X
ERICSSON.: "MAC Impact of PDCP Duplication.", 3GPP TSG-RAN WG2 #98-AH TDOC R2-1707173., 29 June 2017 (2017-06-29), XP051306863, DOI: 20200303125152A
See also references of EP 3952515A4

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