US 10,893,474 B2
Communications method and apparatus
Hui Ma, Shenzhen (CN); Zhuo Chen, Shenzhen (CN); and Yongqiang Gao, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Dec. 30, 2019, as Appl. No. 16/729,690.
Application 16/729,690 is a continuation of application No. 16/123,528, filed on Sep. 6, 2018, granted, now 10,548,083.
Application 16/123,528 is a continuation of application No. 15/401,805, filed on Jan. 9, 2017, granted, now 10,085,212, issued on Sep. 25, 2018.
Application 15/401,805 is a continuation of application No. 14/870,508, filed on Sep. 30, 2015, granted, now 9,572,129, issued on Feb. 14, 2017.
Application 14/870,508 is a continuation of application No. PCT/CN2013/073814, filed on Apr. 7, 2013.
Prior Publication US 2020/0137687 A1, Apr. 30, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 52/02 (2009.01); H04W 76/28 (2018.01); H04W 8/24 (2009.01); H04W 68/00 (2009.01)
CPC H04W 52/0229 (2013.01) [H04W 8/24 (2013.01); H04W 52/0216 (2013.01); H04W 68/005 (2013.01); H04W 76/28 (2018.02); Y02D 30/70 (2020.08)] 8 Claims
OG exemplary drawing
 
1. A communications method, comprising:
acquiring, by a mobility management entity, information of a user equipment device;
determining, by the mobility management entity according to the information of the user equipment device, that the user equipment device is a power-saving user equipment device;
upon determining that the user equipment device is a power-saving user equipment device, generating, by the mobility management entity, a first indication comprising a suggested waiting time period for a data forwarding entity to retain first data, wherein the first data is downlink data of the user equipment device; and
sending, by the mobility management entity, the first indication to the data forwarding entity to instruct the data forwarding entity to retain the first data.