US 11,758,591 B2
Communication method and communications apparatus
Tingting Geng, Shanghai (CN); Hongping Zhang, Shanghai (CN); Qinghai Zeng, Shanghai (CN); and Le Yan, Shanghai (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Sep. 29, 2020, as Appl. No. 17/36,924.
Application 17/036,924 is a continuation of application No. PCT/CN2019/081416, filed on Apr. 4, 2019.
Claims priority of application No. 201810300559.4 (CN), filed on Apr. 4, 2018.
Prior Publication US 2021/0014915 A1, Jan. 14, 2021
Int. Cl. H04W 76/11 (2018.01); H04W 76/15 (2018.01); H04W 84/02 (2009.01)
CPC H04W 76/11 (2018.02) [H04W 76/15 (2018.02); H04W 84/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A communications method, comprising:
receiving, by a second network device, from a third network device, first identification information of a first radio access network area to which a first cell corresponding to the third network device belongs, wherein the first identification information is sent by the third network device in response to the second network device sending, to the third network device, fifth identification information of a second radio network area, and wherein a second cell corresponding to the second network device belongs to the second radio network area; and
sending, by the second network device, second identification information of the first cell and the first identification information of the first radio access network area to a first network device for determining radio access network area information to be sent to a terminal, wherein the radio access network area information comprises identification information of at least one radio access network area;
wherein the first identification information comprises a radio access network area code of the first radio access network area to which the first cell corresponding to the third network device belongs.