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公开(公告)号：US20230099913A1
公开(公告)日：2023-03-30
申请号：US17822952
申请日：2022-08-29
Applicant: Apple Inc.
Abstract: A user equipment (UE) is configured to initiate a two-step random access channel (RACH) procedure to synchronize with a base station, initiate a fallback four-step RACH procedure after the two-step RACH procedure, configure a random access preamble transmission for the four-step RACH procedure, wherein configuring the random access preamble transmission comprises deriving a physical random access channel (PRACH) transmit power parameter value based on a parameter used to perform a transmission during the two-step RACH procedure and transmit the random access preamble for the four-step RACH procedure to the base station.
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2.发明公开公开(公告)号：US20240305960A1
公开(公告)日：2024-09-12
申请号：US18180765
申请日：2023-03-08
Applicant: Apple Inc.
Inventor： Pranav TRIPATHI , Dhiraj J. SHIRKE
CPC classification number: H04W4/16 , H04W68/005 , H04W88/06
Abstract: The embodiments set forth techniques for managing connections for wireless devices configured for multiple Subscriber Identity Module (SIM) environments, such as dual SIM, dual standby (DSDS) environments. A common scenario involves a first wireless device receiving a voice call (e.g., using a first SIM of the first wireless device) while carrying out a data call with a second wireless device (e.g., using a second SIM of the first wireless device). In such a scenario, the data call is often disrupted due to the voice call, which can cause confusion to a user of the second wireless device. Accordingly, the techniques disclosed herein include the first wireless device providing, in conjunction with receiving the voice call, a notification of the voice call to the second wireless device. In turn, the second wireless device can inform the user of the event to help mitigate the aforementioned confusion.
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