RACH Fallback Reporting for Network Optimization
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Solution Overview
Problem
Current random access channel (RACH) processes in wireless communications lack an efficient mechanism for reporting fallback events, which hinders network optimization and increases delays in accessing the wireless network.
Innovation Solution
The proposed solution involves generating and transmitting an enhanced report for RACH processes, which includes detailed information about fallback events, such as changes in random access attempts, contention mechanisms, and beam identifiers, allowing network devices to update configuration information and optimize RACH processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional RACH processes are used without enhanced reporting, then device complexity is reduced, but network optimization capability deteriorates due to lack of fallback event information
Solution Approach 1:
The patent implements a feedback mechanism where the terminal device generates and transmits a report containing fallback event information (such as fallback from 2-step to 4-step RACH) to the network device. This feedback enables the network to optimize RACH configuration based on actual fallback occurrences, resolving the contradiction by providing necessary information flow without requiring complex structural changes to the RACH process itself.
2Measurement precision
If detailed fallback information is reported for every random access attempt, then measurement precision is improved, but loss of time increases due to additional processing and transmission overhead
Solution Approach 1:
The patent extracts and reports only specific critical information related to fallback events (such as whether fallback occurred, fallback type, and relevant configuration parameters) rather than reporting all random access attempt details. This selective extraction maintains measurement precision for fallback detection while minimizing time loss by reducing the volume of data to be processed and transmitted.
3Loss of information
If comprehensive RACH attempt information is recorded and reported, then loss of information is reduced, but device complexity increases due to additional recording and processing requirements
Solution Approach 1:
The patent extracts and records only the essential fallback-related information (fallback occurrence, fallback type, associated configuration parameters) from the complete RACH attempt data. This selective information extraction reduces the loss of critical fallback information while significantly reducing the complexity of information processing and storage compared to recording all RACH attempt details.
Data Source
AI summary
Example embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media of enhancing a report for random access channel (RACH). The method comprises in accordance with a determination that a random access attempt in a random access process for accessing a second device based on configuration information is performed, determining an entry for recording the random access attempt, the entry at least comprising fallback information indicating whether a change associated with the random access attempt has occurred; generating a report for the random access process at least based on the entry; and causing the report to be transmitted to the second device. In this way, with the UE RACH report, the network device may achieve a targeted optimization for the configuration for RA process, which may improve the efficiency of the RA process and decrease the cost due to a multiple of fallback.