公开(公告)号：US20240107391A1

公开(公告)日：2024-03-28

申请号：US18254352

申请日：2021-01-29

Applicant: QUALCOMM INCORPORATED

Inventor： Nan ZHANG ,  Peng WU ,  Yuyi LI ,  Yong HOU ,  Mengling GUAN ,  Yan ZHANG ,  Yujie QIU ,  Jun MA ,  Yueming TENG ,  Shailesh MAHESHWARI ,  Gang Andy XIAO ,  Vishal DALMIYA ,  Xiaochen CHEN ,  Vaishakh RAO

IPC: H04W36/00 ,  H04W36/02 ,  H04W36/24 ,  H04W76/10

CPC classification number: H04W36/0066 ,  H04W36/02 ,  H04W36/249 ,  H04W76/10

Abstract: Methods, systems, and devices for wireless communications are disclosed by the present application. A request to establish a call using a first connection may be received, the first connection using a first radio access technology to communicate with a radio access network. During execution of a procedure to establish the call, a command to handover communications from the first connection to a second connection that uses a second radio access technology to communicate with the radio access network may be received. The second connection may be established in response to the command, and a message indicating that the request to establish the call was successfully received may be transmitted over the second connection. Also, a message indicating that an alert of the call is being issued may be transmitted over the second connection.