Two-Step Random Access Data Processing with Layer-Two Configuration
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Solution Overview
Problem
The protocol stack configuration information for data carried in the two-step random access process in 5G NR systems has not been specified, affecting data transmission reliability.
Innovation Solution
Implementing layer-two configuration information for data processing in the two-step random access process, including SDAP, PDCP, RLC, and MAC layer configurations, to accurately transmit and receive data parts in the two-step random access request message.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If layer-two configuration information is implemented for data processing in the two-step random access process, then data transmission reliability is improved, but protocol complexity increases
Solution Approach 1:
The patent segments the protocol stack into distinct layer-two configurations (SDAP, PDCP, RLC, MAC) for data processing in the two-step random access process. Each layer is independently configured and processed, allowing reliable data transmission while managing complexity through modular organization of protocol functions.
2Manufacturing precision
If protocol stack configuration information is specified for data carried in the request message, then data reception accuracy is improved, but signaling overhead increases
Solution Approach 1:
The patent applies preliminary action by pre-configuring layer-two configuration information before the two-step random access process. The terminal device and network device establish the protocol stack configuration in advance, ensuring accurate data reception without requiring extensive signaling during the actual random access procedure.
Data Source
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AI summary
Provided are a random access method, a terminal device and a network device. The random access method includes transmitting a two-step random access request message to a network device. A data part is carried in the two-step random access request message, and the data part is acquired through performing layer-two processing in accordance with layer-two configuration information.