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1.发明申请公开(公告)号：US20210392606A1
公开(公告)日：2021-12-16
申请号：US17460396
申请日：2021-08-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Praveen Chebolu , Venkata Raju Indukuri , Rajat Chandrasekharan , Srinivas Chinthalapudi , Kedar Santosh Kumar Aalla
Abstract: Systems and methods are described for simultaneously accessing a plurality of services on Wi-Fi. The method comprises registering a first and second Media Access Control (MAC) identification (ID) with a first and second IP Multimedia System (IMS), by use of a User Equipment (UE). The UE comprises a first MAC ID associated with a first Subscriber Identification Module (SIM) card and a second MAC ID associated with a second SIM card. Use of a first service through a first Access Point (AP) without interrupting a second service may be available with registration of a first and second MAC ID
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2.发明授权公开(公告)号：US11160046B2
公开(公告)日：2021-10-26
申请号：US16743679
申请日：2020-01-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Praveen Chebolu , Venkata Raju Indukuri , Rajat Chandrasekharan , Srinivas Chinthalapudi , Kedar Santosh Kumar Aalla
Abstract: Systems and methods are described for simultaneously accessing a plurality of services on Wi-Fi. The method comprises registering a first and second Media Access Control (MAC) identification (ID) with a first and second IP Multimedia System (IMS), by use of a User Equipment (UE). The UE comprises a first MAC ID associated with a first Subscriber Identification Module (SIM) card and a second MAC ID associated with a second SIM card. Use of a first service through a first Access Point (AP) without interrupting a second service may be available with registration of a first and second MAC ID.
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3.发明授权Method and system for providing stack memory management in real-time operating systems 有权在实时操作系统中提供堆栈内存管理的方法和系统公开(公告)号：US09529625B2
公开(公告)日：2016-12-27
申请号：US14676366
申请日：2015-04-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Tushar Vrind , Balaji Somu Kandaswamy , Raju Siddappa Udava , Venkata Raju Indukuri
CPC classification number: G06F9/4881 , G06F9/461 , G06F9/5011 , G06F9/5016
Abstract: A method and system for providing memory management in a Real-Time Operating System (RTOS) based system are provided. The method includes creating a plurality of tasks with a two level stack scheme comprising a first level stack and a second level stack, scheduling a first task for execution by moving a stack pointer from the first level stack to the second level stack, determining whether the first task is pre-empted, allocating the second level stack to the first task in a second state if the first task is not pre-empted, changing an active task for execution, determining whether the first task relinquishes control from the second state and is waiting for a resource, moving the stack pointer back from the second level stack to the first level stack if the first task relinquishes itself and providing the second level stack for use by a second task.
Abstract translation: 提供了一种用于在基于实时操作系统（RTOS）的系统中提供存储器管理的方法和系统。 该方法包括通过包括第一级堆栈和第二级堆栈的两级堆栈方案来创建多个任务，通过将堆栈指针从第一级堆栈移动到第二级堆栈来调度第一任务以执行，确定是否 首先任务被抢占，如果第一任务没有被抢占，则将第二级堆栈分配给第一任务，改变要执行的活动任务，确定第一任务是否从第二状态放弃控制，并且是第 等待资源，如果第一个任务放弃自身并提供第二级堆栈供第二个任务使用，则将堆栈指针从第二级堆栈移回到第一级堆栈。
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公开(公告)号：US11055129B2
公开(公告)日：2021-07-06
申请号：US16053172
申请日：2018-08-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Tushar Vrind , Chandan Kumar , Raju Udava Siddappa , Balaji Somu Kandaswamy , Venkata Raju Indukuri
Abstract: Various example embodiments herein provide a computerized method for scheduling a plurality of tasks for an operating system on a multicore processor. The method includes identifying the plurality of tasks to be executed on the multicore processor and determining a task schedule for scheduling of the plurality of tasks by providing a higher preference to the CPU-bound task than the non CPU-bound task. Further, the method includes scheduling the plurality of tasks on the multicore processor based on the task schedule.
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公开(公告)号：US10248456B2
公开(公告)日：2019-04-02
申请号：US15374603
申请日：2016-12-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Tushar Vrind , Balaji Somu Kandaswamy , Raju Siddappa Udava , Venkata Raju Indukuri
Abstract: A method and system for providing memory management in a Real-Time Operating System (RTOS) based system are provided. The method includes creating a plurality of tasks with a two level stack scheme comprising a first level stack and a second level stack, scheduling a first task for execution by moving a stack pointer from the first level stack to the second level stack, determining whether the first task is pre-empted, allocating the second level stack to the first task in a second state if the first task is not pre-empted, changing an active task for execution, determining whether the first task relinquishes control from the second state and is waiting for a resource, moving the stack pointer back from the second level stack to the first level stack if the first task relinquishes itself and providing the second level stack for use by a second task.
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Patent Agency Ranking
公开(公告)号：US20240054250A1
公开(公告)日：2024-02-15
申请号：US18362010
申请日：2023-07-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jaeyoung Lee , Sachin Pundkar , Somraj Mani , Surendra Singh , Tushar Vrind , Venkata Raju Indukuri , Danby Kim
IPC: G06F21/64
CPC classification number: G06F21/64
Abstract: A canary update method according to some embodiments is disclosed. The canary update method includes executing, by a processor configured to process tasks including the canary, computer program instructions to perform operations including extracting, by a processor, a first value from an array including N values, setting the canary to the first value, determining that the canary is updated based on a canary flag value of a first task, extracting, when determined that the canary is updated, a second value from the array, and updating the canary of the first task to the second value. The processor is configured to access a memory through a mapping circuit, and the mapping circuit includes mapping information between a physical memory region in the memory corresponding to the first task and a virtual memory region associated with the mapping circuit.
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7.发明授权公开(公告)号：US11829807B2
公开(公告)日：2023-11-28
申请号：US17038994
申请日：2020-09-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Raju Udava Siddappa , Chandan Kumar , Sudharshan Rao B , Tushar Vrind , Venkata Raju Indukuri
CPC classification number: G06F9/524 , G06F9/4831
Abstract: A method for preventing a task-signal deadlock arising due to contention for a mutex in a real-time operating system (RTOS) includes detecting, by a processing unit, a signal notification sent to a task for execution of a signal handler; identifying, by the processing unit, a mutex to be acquired by the signal handler, when the signal notification is detected; determining whether the identified mutex has been acquired by the task; and utilizing, by the processing unit, an alternative stack for execution of the signal handler, in response to determining that the mutex has been acquired by the task, for preventing a task-signal deadlock during the execution.
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公开(公告)号：US11829231B2
公开(公告)日：2023-11-28
申请号：US17539403
申请日：2021-12-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hartej Singh , Mallikarjun Shivappa Bidari , Raju Udava Siddappa , Surajit Pradeep Karmakar , Thejeswara Reddy Pocha , Tushar Vrind , Venkata Raju Indukuri
CPC classification number: G06F11/0778 , G06F11/0772 , G06F11/1004 , G06F21/602 , G06F21/79 , G06F2221/0751
Abstract: A method of generating a core dump in a User Equipment (UE) may include detecting, using at least one processor, a trigger, the trigger including an instruction to generate a core dump of the UE. The method may further include classifying, using the at least one processor, data stored in memory of the UE as Read-Write (RW) data or Read Only (RO) data. The method may further include generating, using the at least one processor, a partial core dump based on the RW data of the memory.
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公开(公告)号：US20210034416A1
公开(公告)日：2021-02-04
申请号：US16930647
申请日：2020-07-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： RAJU UDAVA SIDDAPPA , Chandan Kumar , Kamal Kishore , Tushar Vrind , Venkata Raju Indukuri , Balaji Somu Kandasamy
IPC: G06F9/48 , G06F12/0842
Abstract: An apparatus is configured to collect information related to a first activity and analyze the collected information to determine decision data. The information is stored in a first list of the source processing core for scheduling execution of the activity by a destination processing core to avoid cache misses. The source processing core is configured to transmit information related to the decision data using an interrupt, to a second list associated with a scheduler of the destination processing core, if the destination processing core is currently executing a second activity having a lower priority than the first activity.
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公开(公告)号：US11755473B2
公开(公告)日：2023-09-12
申请号：US17848716
申请日：2022-06-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Surendra Singh , Dinesh Gehlot , Mallikarjun Shivappa Bidari , Raju Udava Siddappa , Shashank Vimal , Shreya Ganatra , Sujay Shankar Gaitonde , Tushar Vrind , Venkata Raju Indukuri
CPC classification number: G06F12/0253 , G06F9/3004 , G06F9/321 , G06F12/0238
Abstract: A method for managing memory leaks in a memory device includes grouping, by a garbage collection system, a plurality of similar memory allocations of the memory device into one or more Unique Fixed Identifiers (UFIs); identifying, by the garbage collection system, one of the one or more UFIs having a highest accumulated memory size and adding each of the plurality of memory allocations in the identified one of the one or more UFIs into a Potential Leak Candidate List (PLCL); identifying, by the garbage collection system, the memory leaks in the memory device by identifying unreferenced memory addresses associated with the plurality of memory allocations in the PLCL; and releasing, by the garbage collection system, the identified unreferenced memory addresses associated with the plurality of memory allocations corresponding to the memory leaks into the memory device.
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