SIB Segment Validation for Reliable NR V2X Assembly
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Solution Overview
Problem
Existing wireless communication systems, such as 5G NR, do not effectively check the validity of system information block (SIB) segments before assembly, leading to inefficiencies in managing SIB segments, particularly in scenarios like NR V2X services where multiple segments are transmitted and assembled without validation.
Innovation Solution
A method for user equipment (UE) to manage SIB segments by checking the validity of each segment using value tags and area scope information, allowing for valid segments to be stored and assembled into a complete SIB, and invalid segments to be discarded or updated, ensuring accurate and efficient SIB assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If SIB segments are transmitted and assembled without validation, then the complexity of the assembly process is reduced, but the reliability of SIB assembly deteriorates due to potential errors from invalid segments
Solution Approach 1:
The patent applies preliminary action by validating SIB segments before assembly through checking value tags and area scope information. This pre-validation ensures that only valid segments are assembled into the complete SIB, preventing errors from invalid segments while maintaining assembly reliability without significantly increasing process complexity
2Reliability
If validity checking of SIB segments is implemented, then the reliability of SIB assembly is improved, but the complexity of the management process increases
Solution Approach 1:
The patent uses parameter changes by validating SIB segments through checking value tags and area scope information. These are simple parameter comparisons that verify segment validity without requiring complex validation logic, thus improving reliability while minimizing the increase in management process complexity
3Productivity
If all SIB segments are stored without validation, then the productivity of SIB reception is improved, but the loss of time for assembling incorrect SIBs increases
Solution Approach 1:
The patent converts the potential harm of storing invalid segments by using value tags and area scope information to identify and discard invalid segments. This approach maintains high reception productivity by quickly validating segments while preventing time loss from assembling incorrect SIBs, as invalid segments are identified and excluded before assembly occurs
Data Source
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AI summary
Some of the present implementations provide a method for assembling a target SIB for a target service. The method receives, from a first cell on a first frequency carrier, a plurality of SIB segments of the target SIB, each of the plurality of SIB segments associated with a corresponding value tag. The method stores a first SIB segment in the plurality of SIB segments in a memory of the UE. For each subsequent SIB segment in the plurality of SIB segments, the method determines whether a corresponding value tag of the subsequent SIB segment is the same as the corresponding value tag of the first SIB segment and if they are the same, stores the subsequent SIB segment in the memory of the UE. The method then assembles the target SIB using the stored plurality of SIB segments