US 12,133,281 B2
Communication method and wireless communications apparatus
Bing Sun, Beijing (CN); Junren Chang, Beijing (CN); and Jun Chen, Shanghai (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Aug. 10, 2020, as Appl. No. 16/989,189.
Application 16/989,189 is a continuation of application No. PCT/CN2019/073014, filed on Jan. 24, 2019.
Claims priority of application No. 201810143194.9 (CN), filed on Feb. 11, 2018.
Prior Publication US 2020/0374973 A1, Nov. 26, 2020
Int. Cl. H04W 76/34 (2018.01); H04L 5/00 (2006.01); H04W 60/00 (2009.01); H04W 68/02 (2009.01); H04W 76/15 (2018.01)
CPC H04W 76/34 (2018.02) [H04L 5/0032 (2013.01); H04W 60/005 (2013.01); H04W 68/02 (2013.01); H04W 76/15 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A wireless communications apparatus, comprising:
at least one processor and at least one transceiver, wherein the at least one processor is configured to execute at least one program to cause the at least one transceiver to perform:
sending user equipment assistance information to a first network network requesting to release a first wireless connection between the wireless communications apparatus and the first network using a first subscriber identity module (SIM) of the wireless communications apparatus, wherein the first SIM is in a connected state in the first network, the user equipment assistance information comprises second state indication information, and the second state indication information indicates an inactive state, a light connection state, or an idle state that the first SIM is to enter;
receiving a radio resource control (RRC) connection release message from the first network; and
sending a connection establishment request message to a second network requesting to establish a second wireless connection between the wireless communications apparatus and the second network using a second SIM of the wireless communications apparatus.