2-Step Random Access Reporting for UE-Aware Network Configuration
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Solution Overview
Problem
In wireless communication systems, when a User Equipment (UE) initiates a 2-step Random Access (RA) process, the network side is often unaware of the UE's state or connection status, making it difficult to configure optimal random access parameters, which affects communication performance.
Innovation Solution
The UE records and transmits 2-step RA related information to the network, enabling the network to optimize configuration of random access parameters based on this information, thereby improving communication performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the 2-step RA process is used to reduce random access delay, then the random access delay is reduced, but the network side cannot configure optimal parameters because it is unaware of the UE's state
Solution Approach 1:
The patent implements a feedback mechanism where the UE reports its state information (such as connection status, buffer status, and channel conditions) to the network side after initiating the 2-step RA process. This feedback enables the network to configure optimal parameters for subsequent communications, resolving the information asymmetry problem while maintaining the low-latency advantage of the 2-step RA process.
Solution Approach 2:
The patent applies preliminary action by having the UE prepare and transmit state information reports in advance or immediately after the random access initiation. This allows the network to have the necessary information ready for parameter configuration before actual data transmission begins, eliminating the need to wait for extended measurement periods while still enabling informed parameter optimization.
2Device complexity
If the network configures random access parameters without UE state information, then the configuration process is simple, but the random access success rate is reduced
Solution Approach 1:
The patent enables the UE to self-report its state information to the network, eliminating the need for complex network-side monitoring and inference mechanisms. The UE autonomously collects its own state data (connection status, buffer status, channel measurements) and transmits it to the network, simplifying the overall system architecture while providing the information needed for high-success-rate parameter configuration.
Solution Approach 2:
The patent introduces a state information report as an intermediary element that bridges the gap between the UE and the network. This report serves as a mediator that carries essential UE state information to the network, enabling informed parameter configuration without requiring direct complex interaction or continuous monitoring between the network and UE.
3Loss of information
If the 4-step RA mechanism is used, then the network can obtain comprehensive UE information, but the random access delay increases and the number of LBT operations increases
Solution Approach 1:
The patent extracts the essential UE state information collection function from the multi-step RA procedure and separates it into an independent reporting mechanism. Instead of requiring the full 4-step exchange to gather information, the UE extracts and reports key state parameters (connection status, buffer status, channel conditions) in a dedicated state information report, enabling the network to obtain necessary information with fewer interaction steps.
Solution Approach 2:
The patent applies partial action by having the UE report only the most critical state information parameters needed for parameter configuration, rather than providing complete comprehensive information. This selective reporting of essential parameters (such as connection status, buffer status, and channel conditions) achieves the necessary information gathering with minimal overhead, avoiding the full complexity and delay of the 4-step RA mechanism.
Data Source
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AI summary
Provided in the present application are an information sending method, an information receiving method, a terminal, a network device and a storage medium. The information sending method includes a terminal records 2-step random access related information; and the terminal sends the 2-step random access related information to a network.