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公开(公告)号：US20170026650A1
公开(公告)日：2017-01-26
申请号：US14805318
申请日：2015-07-21
Applicant: QUALCOMM Incorporated
Inventor： Sanjeev Mittal , Vikram Singh , Tien-Hsin Lee
IPC: H04N19/154 , H04N19/112 , H04N19/114 , H04N19/136 , H04N7/14 , H04N19/172 , H04N19/177 , H04N19/44 , H04N19/503 , H04N19/593 , H04N19/107 , H04N19/159
CPC classification number: H04N19/154 , H04L65/1083 , H04L65/1096 , H04L65/608 , H04N7/141 , H04N7/147 , H04N19/107 , H04N19/112 , H04N19/114 , H04N19/136 , H04N19/159 , H04N19/172 , H04N19/177 , H04N19/44 , H04N19/503 , H04N19/593
Abstract: A system and method for performing video telephony (VT) is disclosed. In one example, there is provided an apparatus having a transceiver configured to receive VT data and information indicating a switch from a first display to a second display from a network. The apparatus also includes a decoder operatively coupled to the transceiver and configured to decode the VT data, a memory comprising a coded picture buffer (CPB) configured to store the decoded VT data, and a processor operatively coupled to the transceiver, the decoder, and the memory. The processor is configured to, in response to receiving the information indicating a switch from a first display to a second display, instruct the transceiver to transmit a request for an I-frame to the network.
Abstract translation: 公开了一种用于执行视频电话（VT）的系统和方法。 在一个示例中，提供了一种具有收发器的装置，其被配置为从网络接收VT数据和指示从第一显示器切换到第二显示器的信息。 所述设备还包括操作性地耦合到所述收发器并且被配置为对所述VT数据进行解码的解码器，所述存储器包括经配置以存储所述解码的VT数据的编码图像缓冲器（CPB），以及可操作地耦合到所述收发器，所述解码器和 记忆。 处理器被配置为响应于接收到指示从第一显示器切换到第二显示器的信息，指示收发器向网络发送对I帧的请求。
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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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公开(公告)号：US20220070298A1
公开(公告)日：2022-03-03
申请号：US17006583
申请日：2020-08-28
Applicant: QUALCOMM Incorporated
Inventor： Shrawan Khatri , Cherng-Shung Hsu , Vikram Singh , Aditya Reddy Muddasani , Changkun Chen
Abstract: Techniques described provide for transferring calls between a first user equipment (UE) and a second UE. One implementation may include receiving a request to transfer a call, which has been established established between the first UE and a third party device, to be between a second UE and the third party device. Location information for the first and second UEs may be received. A determination may be made to determine whether the first and second UE are in proximity to each other. In the event that a determination is made that the first and second UE are in proximity to each other, the established call may be transferred from the first UE to the second UE. Other aspects and features are also claimed and described.
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公开(公告)号：US20170118707A1
公开(公告)日：2017-04-27
申请号：US15265822
申请日：2016-09-14
Applicant: QUALCOMM Incorporated
Inventor： Murali Bharadwaj , Vikram Singh , Chinmay Dhodapkar
CPC classification number: H04W52/028 , H04L65/1096 , H04L67/125 , H04L67/30 , H04L67/303 , H04W36/0022 , H04W36/26 , H04W84/12 , Y02D70/1242 , Y02D70/1262 , Y02D70/1264 , Y02D70/142 , Y02D70/146 , Y02D70/23
Abstract: Techniques are described for wireless communication. One method includes determining at a first time that a voice call is routed over a wireless local area network (WLAN); restricting an application processor from entering a first sleep state based at least in part on determining that the voice call is routed over the WLAN; determining at a second time that the voice call is offloaded from the WLAN to a wireless wide area network (WWAN); and enabling the application processor to enter a second sleep state based at least in part on determining that the voice call is routed over the WWAN.
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公开(公告)号：US09491669B1
公开(公告)日：2016-11-08
申请号：US14830541
申请日：2015-08-19
Applicant: QUALCOMM Incorporated
Inventor： Ibrahim Hajj-Ahmad , Vikram Singh , Gary Chia-Jui Chang , Jyotirmoy Das , Tien-Hsin Lee , Sanjeev Mittal
IPC: H04N7/14 , H04W36/00 , H04L12/825
Abstract: A system and method for rate-adaptation of a video telephony (VT) session is disclosed. In one example, there is provided a method that includes receiving a first information set indicative of a start of a handover of a device from a first Radio Access Technology (RAT) to a second RAT. The method further includes receiving a second information set indicative of an end of the handover. The method further includes adjusting a rate-adaptation protocol for the VT session based at least in part on the first and second information sets.
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Patent Agency Ranking
公开(公告)号：US09300713B2
公开(公告)日：2016-03-29
申请号：US14262994
申请日：2014-04-28
Applicant: QUALCOMM Incorporated
Inventor： Min Wang , Tien-Hsin Lee , Shankar Genesh LakshmanaSwamy , Andy Yu , Vikram Singh , Sandeep Padubidri Ramamurthy , Yau Mo Chan , Vasudev Sujir Nayak , Srinivasan Balasubramanian
IPC: H04L29/06 , H04N5/04 , H04J3/00 , H04N21/6437 , H04N21/8547
CPC classification number: H04L65/602 , H04J3/00 , H04L65/607 , H04L65/608 , H04L69/28 , H04N5/04 , H04N21/6437 , H04N21/8547
Abstract: Methods, systems, and devices are described for media synchronization. Multi-stream media processes may include media streams captured with respect to different clock rates. Multi-processor implementations may involve separate clocks associated with different media streams, such as audio and video, respectively. The separate clocks may tend to drift from one another, becoming further out of sync as time passes. Selecting a reference time of one of the processors to function as a “wall clock,” recording frame capture times with respect to the reference time, accounting for propagation delays, and transmitting frame capture times in terms of the reference time may aid in AV synchronization at a device where audio and video streams are received.
Abstract translation: 描述了媒体同步的方法，系统和设备。 多流媒体处理可以包括关于不同时钟速率捕获的媒体流。 多处理器实现可以分别涉及与不同媒体流（例如音频和视频）相关联的单独的时钟。 单独的时钟可能趋向于彼此漂移，随着时间的过去而变得更加不同步。 选择其中一个处理器作为“挂钟”的参考时间，相对于参考时间记录帧捕获时间，考虑传播延迟和根据参考时间传输帧捕获时间可以有助于AV同步 在接收音频和视频流的设备上。
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公开(公告)号：US12245305B2
公开(公告)日：2025-03-04
申请号：US17650169
申请日：2022-02-07
Applicant: QUALCOMM Incorporated
Inventor： Adam Hebein , Manisha Priyadarshini , Qin Xue Frantti , Brian A'Hearn , Rishav Rej , Qingxin Chen , Uttam Pattanayak , Vikram Singh , Bhupesh Manoharlal Umatt , Carlos Marcelo Dias Pazos , Cherng-Shung Hsu , Osama Lotfallah , Flora Pui San Chan , Abhishek Bhatnagar , Reza Shahidi , Cheol Hee Park , Subashini Krishnamurthy , Sandeep Ramannavar , Jun Hu , Shailesh Maheshwari , Hemanth Kumar Rayapati , Krishna Chaitanya Mukkera
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may establish, using a first subscription of the UE, a first communication connection associated with a first service. The UE may establish, using a second subscription of the UE, a second communication connection associated with a second service. The UE may operate in a dual subscriber identity module (SIM) dual active (DSDA) mode based at least in part on establishing the first communication connection and establishing the second communication connection. The UE may perform an action to maintain concurrent services, including the first service and the second service, while operating in the DSDA mode. Numerous other aspects are described.
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公开(公告)号：US12200613B2
公开(公告)日：2025-01-14
申请号：US17650435
申请日：2022-02-09
Applicant: QUALCOMM Incorporated
Inventor： Adam Hebein , Qin Xue Frantti , Brian A'Hearn , Rishav Rej , Qingxin Chen , Uttam Pattanayak , Vikram Singh , Bhupesh Manoharlal Umatt , Carlos Marcelo Dias Pazos , Osama Lotfallah , Flora Pui San Chan , Manisha Priyadarshini , Abhishek Bhatnagar , Reza Shahidi , Cheol Hee Park
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may detect that a first subscription, of a plurality of subscriptions associated with the UE, is associated with an active service on a first cellular network. The UE may search, for a second subscription of the plurality of subscriptions, for radio access technologies (RATs) and frequency bands that are compatible with a dual active mode of the UE. In some aspects, the UE may detect that the active service on the first cellular network has ended. Accordingly, the UE may search, for the second subscription, for RATs and frequency bands that are compatible with the dual active mode of the UE and for RATs and frequency bands that are incompatible with the dual active mode, before expiry of a timer associated with a power saving state. Numerous other aspects are described.
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公开(公告)号：US12101843B2
公开(公告)日：2024-09-24
申请号：US17592650
申请日：2022-02-04
Applicant: QUALCOMM Incorporated
Inventor： Arvind Vardarajan Santhanam , Vanitha Aravamudhan Kumar , Kuo-Chun Lee , Satashu Goel , Shailesh Maheshwari , Daniel Amerga , Vikram Singh , Vishal Dalmiya
CPC classification number: H04W76/28 , H04W24/08 , H04W52/0229 , H04W72/51
Abstract: Methods, systems, and devices for wireless communications are described. A system may support techniques for triggering user equipment (UE) assistance information (UAI) based on mobility, wake up signal (WUS) configuration, or both. In some cases, a UE may communicate with a network node (e.g., a base station) on a first channel according to a discontinuous reception (DRX) configuration. The UE may determine that a speed of the UE satisfies a mobility threshold and may transmit UAI requesting one or more updated DRX configuration parameters based on the speed of the UE satisfying the mobility threshold. Additionally or alternatively, the UE may receive signaling configuring the UE to monitor for WUSs and may transmit UAI requesting one or more updated DRX configuration parameters based on the WUS configuration. The UE may receive control signaling configuring the DRX configuration with the one or more requested parameters in response to the UAI.
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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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