公开(公告)号：US09930504B2

公开(公告)日：2018-03-27

申请号：US14810848

申请日：2015-07-28

Applicant: QUALCOMM Incorporated

Inventor： Appala Naga Raju Bodduru ,  Onkar Nath Upadhyay ,  Venkata Krishna Murthy Jayavarapu

IPC: H04W4/16 ,  H04W76/02 ,  H04W24/02 ,  H04W4/22 ,  H04W84/04 ,  H04W8/18 ,  H04W48/18 ,  H04W60/00 ,  H04W76/00

CPC classification number: H04W4/16 ,  H04W4/90 ,  H04W8/183 ,  H04W24/02 ,  H04W48/18 ,  H04W60/005 ,  H04W76/18 ,  H04W76/50 ,  H04W84/042

Abstract: A method for reducing call failure rates on a multi-subscriber identity module (SIM) mobile communication device includes: selecting a first SIM camped on a visiting public land mobile network (VPLMN); attempting call initiation on the first SIM; determining whether call setup on the first SIM on the VPLMN is successful; in response to determining that the call setup on the first SIM is unsuccessful, determining if a second SIM is camped on a home public land mobile network (HPLMN); and in response to determining that the second SIM is camped on the HPLMN, selecting the second SIM camped on the HPLMN; and attempting call initiation using the second SIM.

公开(公告)号：US20170034677A1

公开(公告)日：2017-02-02

申请号：US14810848

申请日：2015-07-28

Applicant: QUALCOMM Incorporated

Inventor： Appala Naga Raju Bodduru ,  Onkar Nath Upadhyay ,  Venkata Krishna Murthy Jayavarapu

IPC: H04W4/16 ,  H04W24/02 ,  H04W4/22

CPC classification number: H04W4/16 ,  H04W4/90 ,  H04W8/183 ,  H04W24/02 ,  H04W48/18 ,  H04W60/005 ,  H04W76/18 ,  H04W76/50 ,  H04W84/042

Abstract: A method for reducing call failure rates on a multi-subscriber identity module (SIM) mobile communication device includes: selecting a first SIM camped on a visiting public land mobile network (VPLMN); attempting call initiation on the first SIM; determining whether call setup on the first SIM on the VPLMN is successful; in response to determining that the call setup on the first SIM is unsuccessful, determining if a second SIM is camped on a home public land mobile network (HPLMN); and in response to determining that the second SIM is camped on the HPLMN, selecting the second SIM camped on the HPLMN; and attempting call initiation using the second SIM.

Abstract translation: 一种用于在多用户识别模块（SIM）移动通信设备上减少呼叫失败率的方法包括：选择驻留在访问公共陆地移动网络（VPLMN）上的第一SIM卡; 在第一SIM上尝试呼叫启动; 确定VPLMN上的第一SIM上的呼叫建立是否成功; 响应于确定第一SIM上的呼叫建立不成功，确定第二SIM是否驻留在家庭公共陆地移动网络（HPLMN）上; 并且响应于确定所述第二SIM卡驻留在所述HPLMN上，选择驻留在所述HPLMN上的所述第二SIM卡; 并使用第二SIM卡尝试呼叫启动。