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公开(公告)号：US20220116829A1
公开(公告)日：2022-04-14
申请号：US17450018
申请日：2021-10-05
Applicant: QUALCOMM Incorporated
Inventor： Vikram Singh , Yong Xie , Carlos Marcelo Dias Pazos
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine, during an active call on a first radio access technology (RAT), that a first condition for performing a handover from the first RAT to a second RAT is satisfied. The UE may determine that the second RAT would trigger a fallback to a third RAT after the handover from the first RAT to the second RAT and that a second condition for performing a handover from the third RAT to the first RAT is satisfied. The UE may refrain from performing the handover from the first RAT to the second RAT based at least in part on the determination that the second RAT would trigger the fallback and the determination that the second condition is satisfied. Numerous other aspects are provided.
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公开(公告)号：US10588068B2
公开(公告)日：2020-03-10
申请号：US15762439
申请日：2015-12-29
Applicant: QUALCOMM INCORPORATED , Ling Xie , Shiau-He Tsai , Jie Mao , Yan Zhang , Huichun Chen , Shanshan Wang , Song Tian , Yong Xie
Inventor： Ling Xie , Shiau-He Tsai , Jie Mao , Yan Zhang , Huichun Chen , Shanshan Wang , Song Tian , Yong Xie
Abstract: A user equipment (UE) expedites cell reselection. In one instance, the UE starts a reselection timer for reselecting to a neighbor cell when a signal quality of a serving cell is determined to fall below a first threshold. The UE then expedites reselecting to the neighbor cell based on a difference between the signal quality of the serving cell and the signal quality of the neighbor cell when the signal quality of the serving cell falls below a second threshold.
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公开(公告)号：US12004019B2
公开(公告)日：2024-06-04
申请号：US17450018
申请日：2021-10-05
Applicant: QUALCOMM Incorporated
Inventor： Vikram Singh , Yong Xie , Carlos Marcelo Dias Pazos
CPC classification number: H04W36/0022 , H04W36/30
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine, during an active call on a first radio access technology (RAT), that a first condition for performing a handover from the first RAT to a second RAT is satisfied. The UE may determine that the second RAT would trigger a fallback to a third RAT after the handover from the first RAT to the second RAT and that a second condition for performing a handover from the third RAT to the first RAT is satisfied. The UE may refrain from performing the handover from the first RAT to the second RAT based at least in part on the determination that the second RAT would trigger the fallback and the determination that the second condition is satisfied. Numerous other aspects are provided.
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公开(公告)号：US11405839B2
公开(公告)日：2022-08-02
申请号：US17036115
申请日：2020-09-29
Applicant: QUALCOMM Incorporated
Inventor： Vikram Singh , Mutaz Zuhier Afif Shukair , Reza Shahidi , Yong Xie
Abstract: Various embodiments include methods and user equipment (UE) for mobile-terminated call handling when a latency-sensitive service (LSS) is active on the UE. Embodiments may include determining a radio access technology (RAT) used for a latency-sensitive service (LSS) currently active on the UE in response to receiving an MT call invitation and determining whether a latency-prone service command is received that includes service commands configured to change the determined RAT used for the LSS to another RAT likely to compromise the LSS. In response to determining that a latency-prone service command is received the MT call invitation may be rejected, but in response to determining that a latency-prone service command is not received, MT call alerting may be allowed.
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Patent Agency Ranking
公开(公告)号：US11317333B2
公开(公告)日：2022-04-26
申请号：US16870686
申请日：2020-05-08
Applicant: QUALCOMM Incorporated
Inventor： Yong Xie , Arvind Vardarajan Santhanam , Carlos Marcelo Dias Pazos , Vikram Singh , Mouaffac Ambriss , Sumit Kumar Singh
Abstract: A configuration is disclosed to enable a UE to preempt SRVCC by triggering a handover to a Wi-Fi network. The apparatus determines whether a Wi-Fi cell is viable as a first target cell, from a plurality of target cells, serving the UE to continue the active transmission on the Wi-Fi cell. The apparatus extends a TTT timer length based at least in part on the determination that the Wi-Fi cell is viable as the target cell serving the UE to continue the active transmission on the Wi-Fi cell. The apparatus initiates a handover to the Wi-Fi cell from the first network prior to the expiration of a TTT timer and prior to the first network initiating a handover to a second target cell, from the plurality of target cells, on a second network.
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公开(公告)号：US12120569B2
公开(公告)日：2024-10-15
申请号：US17661138
申请日：2022-04-28
Applicant: QUALCOMM Incorporated
Inventor： Xinning Shen , Qin Xue Frantti , Osama Lotfallah , Yong Xie , Sony Akkarakaran , Arvind Vardarajan Santhanam , Reza Shahidi
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect, while operating in an out-of-service (OOS) mode associated with a first network, that a second network satisfies one or more switching criteria. The UE may increase a time duration associated with a periodic network acquisition scan associated with the first network based at least in part on detecting that the second network satisfies the one or more switching criteria. The UE may switch, while operating in the OOS mode, from using the first network for connectivity to using the second network for connectivity based at least in part on detecting that the second network satisfies the one or more switching criteria. Numerous other aspects are described.
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公开(公告)号：US11147005B2
公开(公告)日：2021-10-12
申请号：US16781983
申请日：2020-02-04
Applicant: QUALCOMM Incorporated
Inventor： Ling Xie , Shiau-He Tsai , Jie Mao , Yan Zhang , Huichun Chen , Shanshan Wang , Song Tian , Yong Xie
Abstract: A user equipment (UE) expedites cell reselection by reselecting a neighbor cell prior to call setup. In one instance, the UE measures a signal quality of a serving cell and a signal quality of the neighbor cell. The UE starts a reselection timer for reselecting the neighbor cell based on the measured signal quality of the serving cell and the measured signal quality of the neighbor cell. The UE reselects the neighbor cell prior to a scheduled expiration of the reselection timer.
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公开(公告)号：US20190124575A1
公开(公告)日：2019-04-25
申请号：US16093960
申请日：2016-05-26
Applicant: QUALCOMM INCORPORATED
Inventor： Xiaojian LONG , Xuepan Guan , Yong Xie , Ling Xie , Shiau-He Tsai , Zhang Zhou
Abstract: Embodiments described herein relate to managing communications for a first subscription and a second subscription of a wireless communication device, including, but not limited to, using a reduced re-order release timer having a reduced length in response to determining that a length of a tune-away interval exceeds a threshold. In some embodiments, a reduced status prohibit timer is initiated in response to determining that the length of the tune-away interval exceeds a threshold. In some embodiments, two or more status reports are transmitted during a same status prohibit timer in response to determining that transmission window occupancy exceeds a threshold.
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公开(公告)号：US12004020B2
公开(公告)日：2024-06-04
申请号：US17457127
申请日：2021-12-01
Applicant: QUALCOMM Incorporated
Inventor： Vikram Singh , Bhupesh Manoharlal Umatt , Carlos Marcelo Dias Pazos , Cherng-Shung Hsu , Qingxin Chen , Yong Xie
CPC classification number: H04W36/0022 , H04W76/18 , H04W76/34
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, while the UE is in an active session using a first radio access technology (RAT) associated with a first subscription of the UE, a call request via the first RAT, wherein the call request is associated with a second subscription of the UE. The UE may determine that the call request is received from a serving cell that is associated with fallback from the first RAT to a second RAT for calls. The UE may reject the call request or transition the second subscription to a third RAT based at least in part on the determination that the call request is received via the serving cell that is associated with fallback from the first RAT to the second RAT for calls. Numerous other aspects are described.
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