The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2022
Filed:
Sep. 27, 2019
Huawei Technologies Co., Ltd., Guangdong, CN;
Wen Xiong, Beijing, CN;
HUAWEI TECHNOLOGIES CO., LTD., Guangdong, CN;
Abstract
A data migration method is disclosed. The method includes: performing, by a source base station, a TCP proxy for user equipment; learning, by the source base station, that the user equipment is to be handed over to a target base station; sending, by the source base station to the target base station, context information including a sequence number of a data packet, and the sequence number of the data packet is a largest sequence number of data packets that have been acknowledged by the user equipment or a smallest sequence number of data packets that have not been acknowledged by the user equipment; and migrating, by the source base station by using the SCTP, the data packets that have not been acknowledged by the user equipment to the target base station.