MAC PDU Resource Configuration for Uplink Delay Reduction
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Solution Overview
Problem
The existing methods for configuring physical layer radio resources in communication systems, such as those used in smartphones, result in significant delays and reduced transmission efficiency due to the need for frequent RRC connection setup and reconfiguration processes, especially for non-traditional services with intermittent data packet transmissions.
Innovation Solution
A method that generates and carries resource configuration information in MAC PDUs or PDCCH signaling to enable user equipment to quickly acquire and utilize physical layer radio resources for uplink transmission, bypassing the need for frequent RRC signaling, thereby reducing delay and improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If physical layer radio resource configuration is performed through RRC connection setup/reconfiguration process, then resource configuration can be completed, but significant delay is caused and transmission efficiency is greatly reduced
Solution Approach 1:
The patent segments the resource configuration process into two parts: semi-static configuration parameters are configured through RRC signaling in advance, while dynamic configuration parameters are configured through MAC CE or PDCCH signaling. This segmentation allows different types of parameters to be configured through appropriate channels, reducing overall configuration delay while maintaining completeness of resource configuration.
Solution Approach 2:
The patent applies preliminary action by pre-configuring semi-static parameters through RRC connection setup before actual data transmission begins. This preliminary configuration establishes the foundation for rapid dynamic reconfiguration later, avoiding the need to configure all parameters from scratch during each transmission session.
2Reliability
If RRC connection setup is performed for each data transmission, then resource allocation can be ensured, but signaling consumption increases and processing delay increases
Solution Approach 1:
The patent divides configuration parameters into semi-static (configured once via RRC) and dynamic (configured repeatedly via MAC CE/PDCCH). This segmentation ensures reliable resource allocation through initial RRC setup while reducing subsequent signaling consumption by using more efficient MAC layer or physical layer signaling for dynamic adjustments.
Solution Approach 2:
The patent extracts the essential semi-static configuration parameters and configures them through RRC signaling separately from the dynamic parameters. This extraction allows the dynamic parameters to be configured through more efficient MAC CE or PDCCH signaling, reducing overall signaling consumption while maintaining allocation reliability.
3Adaptability or versatility
If all resource configuration parameters are configured through RRC signaling, then complete configuration can be achieved, but configuration complexity and processing delay increase
Solution Approach 1:
The patent segments configuration parameters into semi-static and dynamic categories, configuring each type through the most appropriate signaling channel. Semi-static parameters use RRC signaling for completeness, while dynamic parameters use MAC CE or PDCCH signaling to reduce processing complexity and delay.
Solution Approach 2:
The patent introduces dynamics by allowing configuration parameters to be updated at different layers: semi-static parameters through RRC and dynamic parameters through MAC CE or PDCCH. This dynamic approach enables the system to adapt to changing conditions while reducing overall configuration processing complexity through hierarchical management.
Data Source
AI summary
Embodiments of the present invention provide a method for configuring resources, a device and a system. The method includes: generating resource configuration information (S201); carrying the resource configuration information in a media access control protocol data unit (MAC PDU) or a physical downlink control channel (PDCCH) signaling and sending to a user equipment, to enable the user equipment to perform uplink transmission according to the resource configuration information (S202). The method for configuring resources, the device and the system provided in the embodiments of the present invention can achieve fast physical layer radio resource configuration with a short delay.