MAC Sub-Header Format Indication for 5G Data Processing
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Solution Overview
Problem
Current data transmission methods in 5G communication systems, particularly in the 3GPP protocol stack, face inefficiencies due to the need for repeated format identification and processing of MAC PDUs, which reduces flexibility and increases processing overhead at the receiving end.
Innovation Solution
Incorporating a first information field in the MAC sub-headers to indicate whether the current MAC subPDU has the same format as the next adjacent MAC subPDU, allowing the receiving end to skip unnecessary format identification operations and improve processing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the receiving end performs format identification for each MAC subPDU individually, then the processing is thorough and accurate, but the processing overhead and time consumption increase
Solution Approach 1:
The patent applies preliminary action by pre-establishing format indication information in the MAC sub-header before data transmission. The receiving end can directly obtain format information from this pre-prepared indication field, eliminating the need for time-consuming format identification processing for each MAC subPDU, thus resolving the contradiction between processing accuracy and time consumption
Solution Approach 2:
The patent uses copying by creating a simplified copy of format information in the MAC sub-header (through the first information field). Instead of performing complex format identification on the entire MAC subPDU, the receiving end only needs to read this copied format indication, which maintains processing accuracy while significantly reducing time consumption
2Manufacturing precision
If the MAC PDU structure uses detailed format identification for each subPDU, then the processing is precise, but the device complexity and processing overhead increase
Solution Approach 1:
The patent applies segmentation by dividing the MAC PDU into multiple MAC subPDUs, each with its own MAC sub-header containing format indication information. This segmentation allows the receiving end to process each subPDU independently using simple format indication reading, reducing overall processing complexity while maintaining precision through individual format identification
Solution Approach 2:
The patent implements local quality by placing format indication information specifically in the MAC sub-header portion of each MAC subPDU. This localized approach ensures that format information is readily accessible at the appropriate level of the protocol stack, reducing global processing complexity while maintaining local processing precision
3Reliability
If the receiving end processes each MAC subPDU with complete format identification, then the data processing is thorough, but the processing efficiency decreases
Solution Approach 1:
The patent extracts format information from the MAC subPDU structure and places it in a dedicated first information field within the MAC sub-header. This extraction allows the receiving end to obtain format information quickly without processing the entire MAC subPDU, thereby maintaining data processing reliability while significantly improving processing efficiency
Solution Approach 2:
The patent applies preliminary action by pre-positioning format indication information in the MAC sub-header before transmission. This allows the receiving end to perform efficient processing by reading pre-prepared format information, ensuring reliable data processing while maximizing processing throughput and efficiency
Data Source
AI summary
Embodiments of the present application disclose a data transmission method and a related product. The method includes: a receiving end receives a data packet from a transmitting end, where the data packet includes a media access control MAC protocol data unit PDU, and the MAC PDU includes multiple MAC subPDUs, each of which includes an MAC sub-header; where the MAC sub-header includes a first information field used for indicating whether a current MAC subPDU has a same format as a next adjacent MAC subPDU. The embodiments of the present application allow for incorporating a first information field into an existing MAC sub-header format, where the first information field may be used for dynamically indicating whether a current MAC subPDU has a same format as a next adjacent MAC subPDU, it is thus advantageous to improve data processing flexibility and efficiency at the receiving end.