US 12,192,945 B2
Registration switching method, request processing method, information sending method, and related device
Yanchao Kang, Guangdong (CN); and Fei Qin, Guangdong (CN)
Assigned to VIVO MOBILE COMMUNICATION CO., LTD., Guangdong (CN)
Filed by VIVO MOBILE COMMUNICATION CO., LTD., Guangdong (CN)
Filed on Nov. 24, 2021, as Appl. No. 17/534,578.
Application 17/534,578 is a continuation of application No. PCT/CN2020/092521, filed on May 27, 2020.
Claims priority of application No. 201910453629.4 (CN), filed on May 28, 2019.
Prior Publication US 2022/0086789 A1, Mar. 17, 2022
Int. Cl. H04W 36/14 (2009.01); H04W 60/02 (2009.01)
CPC H04W 60/02 (2013.01) [H04W 36/1443 (2023.05)] 11 Claims
OG exemplary drawing
 
1. A registration switching method, wherein the method is applied to a terminal supporting a narrowband (NB) capability and a wideband (WB) capability and comprises:
camping on a network node supporting an NB service, and performing combined registration with a network supporting the NB service and a network supporting a WB service; and
switching to a network node supporting the WB service, to transmit the WB service;
wherein before the switching to a network node supporting the WB service, to transmit the WB service, the method further comprises:
sending a second message to the network node supporting the NB service, wherein the second message is used to request the WB service; or
receiving a third message sent by the network node supporting the NB service, wherein the third message is used to indicate that downlink data of the WB service is to be sent.