Invention Application
- Patent Title: SYSTEM AND METHOD FOR POWER CONTROL FOR 2-STEP RACH
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Application No.: US17423713Application Date: 2020-01-17
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Publication No.: US20220086765A1Publication Date: 2022-03-17
- Inventor: Yushu ZHANG , Gang XIONG , Hong HE
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Priority: CNPCT/CN2019/072234 20190117
- International Application: PCT/US2020/014174 WO 20200117
- Main IPC: H04W52/14
- IPC: H04W52/14 ; H04W74/08 ; H04W52/36 ; H04W52/16

Abstract:
Systems, apparatuses, methods, and computer-readable media are provided for power control aspects for MsgA physical uplink shared channel (PUSCH). The approach includes determining a transmission power for a PUSCH associated with a physical random access channel (PRACH) in a 2-step random access channel (RACH) mode, where the transmission power for the PUSCH is determined based on a transmission power of the associated PRACH and a power offset. The approach further includes ramping up a transmission power of the PRACH and PUSCH until a maximum transmission power is reached.
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