Truncated Identification Indicators for Wireless RRC Re-establishment
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Solution Overview
Problem
Wireless communication systems face challenges in transmitting identification indicators during RRC re-establishment procedures, particularly in scenarios where the number of bits available for transmission is limited, such as in NB-IoT connections, leading to inefficiencies and potential errors due to excess bits in the identification indicator.
Innovation Solution
A method and apparatus for truncating identification indicators by removing excess bits based on a truncating configuration received from a base station or core network node, ensuring that only the necessary bits are transmitted within the limited allocation, while allowing for the reconstruction of the original indicator upon receipt.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the identification indicator includes more bits than allocated resources, then the identification information is more complete and accurate, but the transmission cannot be completed due to resource limitations
Solution Approach 1:
The patent extracts only the necessary portion of the identification indicator that fits within the allocated resource bits. The UE determines which bits to transmit by comparing the total identification indicator bits with available resources, transmitting only the required number of bits while leaving excess bits untransmitted.
Solution Approach 2:
The patent changes the transmission parameter (number of bits transmitted) based on the available resource allocation. The UE dynamically adjusts the identification indicator transmission by modifying the bit count parameter to match the allocated resources, ensuring successful transmission while preserving essential identification information.
2Ease of operation
If the identification indicator is truncated to fit allocated resources, then transmission is successful, but information completeness is reduced
Solution Approach 1:
The patent extracts only the necessary portion of the identification indicator that fits within the allocated resource bits. The UE determines which bits to transmit by comparing the total identification indicator bits with available resources, transmitting only the required number of bits while leaving excess bits untransmitted.
Solution Approach 2:
The patent applies partial action by transmitting only the necessary number of bits from the identification indicator rather than the complete indicator. This partial transmission is sufficient for the re-establishment procedure while accommodating resource constraints.
3Reliability
If control signaling is transmitted to indicate truncating configuration, then the UE can generate the correct truncated identification indicator, but signaling overhead increases
Solution Approach 1:
The patent implements feedback by having the network transmit control signaling that indicates the truncating configuration to the UE. This feedback mechanism ensures the UE generates the correct truncated identification indicator by providing guidance on how many bits to transmit and which bits to retain.
Data Source
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AI summary
Methods, systems, and devices for wireless communications are described that provide for truncated identification indicators. A user equipment (UE) may receive control signaling indicating a truncating configuration for an identification indicator. The truncating configuration may indicate a set of bits within an initial identification indicator to remove to generate a truncated identification indicator. The UE may remove the indicated set of bits and transmit the truncated identification indicator to a base station. The base station may receive the truncated identification indicator and reconstruct the initial identification indicator according to the truncating configuration. The base station may reconstruct the initial identification indicator by adding the set of bits (e.g., removed by the UE to generate the truncated identification indicator) to the truncated identification indicator.