US 12,250,594 B2
History information recording method and apparatus, and computer-readable storage medium
Xingxing Hu, Shanghai (CN); Hongping Zhang, Shenzhen (CN); and Xiaoli Shi, Shanghai (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Feb. 14, 2022, as Appl. No. 17/670,798.
Application 17/670,798 is a continuation of application No. PCT/CN2020/107879, filed on Aug. 7, 2020.
Claims priority of application No. 201910755418.6 (CN), filed on Aug. 15, 2019.
Prior Publication US 2022/0167215 A1, May 26, 2022
Int. Cl. H04W 36/00 (2009.01); H04W 4/02 (2018.01); H04W 24/10 (2009.01); H04W 88/06 (2009.01)
CPC H04W 36/0016 (2013.01) [H04W 4/027 (2013.01); H04W 24/10 (2013.01); H04W 36/0085 (2018.08); H04W 88/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A history information recording method for a current secondary node or a chip of the current secondary node, the method comprising:
obtaining information about a history cell that a terminal device visits, wherein the information about the history cell comprises at least one of stay time of the terminal device in the history cell or moving speed information of the terminal device in the history cell, wherein the information about the history cell comprises an association relationship between one or more primary secondary cells and one primary cell, and wherein the terminal device accesses the primary cell when the terminal device accesses the one or more primary secondary cells; and
performing handover preparation based on the information about the history cell.