WIRELESS COMMUNICATION METHOD AND APPARATUS, AND NETWORK DEVICE

WIPO Patent Application WO/2021/062756

A1

Provided are a wireless communication method and apparatus, and a network device. The method comprises: if a cell handover occurs in a terminal device, a source cell sending first information to a target cell, wherein the first information comprises at least one first PDCP SN and a first data packet group, and the first data packet group comprises at least one first data packet; and the source cell sending second information to the target cell, such that the target cell determines, according to the second information, a second PDCP SN associated with a second data packet, wherein the second data packet is a data packet that is the first, not associated with the first PDCP SN, of the data packets that are received by the target cell. In the method provided in the present application, where a cell handover occurs in a terminal device, a source cell can send second information to a target cell, such that the target cell can determine, according to the second information, a second PDCP SN of a second data packet received by the target cell.

LU QIANXI (CN)
YOU XIN (CN)

PCT/CN2019/109676

April 08, 2021

September 30, 2019

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GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)
SHENZHEN BRANCH OF GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD (CN)

H04W36/08

CN102802208A	2012-11-28
CN109151918A	2019-01-04
US20090034476A1	2009-02-05

INTEL CORPORATION: "Running CR for the introduction of NR mobility enhancement", 3GPP DRAFT; R2-1911559 RUNNING STAGE 2 CR V03, vol. RAN WG2, 13 September 2019 (2019-09-13), Prague, Czech Republic, pages 1 - 18, XP051782943
See also references of EP 4007370A4

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