- Patent Title: Method of performing random access (RA) procedure, and transmitting device, apparatus and storage medium therefor, and method and apparatus for transmitting mac PDU of RA procedure
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Application No.: US18535172Application Date: 2023-12-11
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Publication No.: US12225596B2Publication Date: 2025-02-11
- Inventor: Eunjong Lee , Heejeong Cho , Seungjune Yi , Jeonggu Lee
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- Agency: LEE, HONG, DEGERMAN, KANG & WAIMEY
- Priority: KR10-2019-0060422 20190523,KR10-2019-0060426 20190523
- Main IPC: H04W74/0833
- IPC: H04W74/0833 ; H04W74/00 ; H04W80/02
Abstract:
In the present disclosure, a UE transmits a random access preamble (RAP) on a physical random access channel (PRACH) and a common control channel (CCCH) service data unit (SDU) on a physical uplink channel (PUSCH). The UE receives a medium access control (MAC) protocol data unit (PDU) based on transmitting the RAP and the CCCH SDU. The MAC PDU may include a MAC PDU associated with a contention resolution identity (CRID) in the MAC PDU. The UE determines whether a MAC SDU is present or not in the MAC PDU, based on the MAC SDU indicator associated with a CRID in the MAC PDU in a state in which the CRID matches the CCCH SDU.
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