Terminal Device Data Transmission Using PDU Sets and Delay Budgets
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Solution Overview
Problem
Existing communication systems struggle to efficiently transmit data for services with large data volumes and high delay requirements, often resulting in partial data failure due to insufficient radio resources and inadequate consideration of delay budgets and data organization forms.
Innovation Solution
A method and apparatus for communication that allow terminal devices to determine transmission data based on PDU sets and remaining delay budgets across multiple logical channels, ensuring efficient data transmission by prioritizing complete PDU sets and timely transmission of data with shorter delay budgets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If terminal device uses conventional logical channel prioritization to determine transmission data, then transmission process is simple, but data transmission completeness deteriorates for services with large data volumes and high delay requirements
Solution Approach 1:
The patent changes the parameters used in logical channel prioritization from conventional methods to include PDU set information and remaining delay budget. The terminal device determines transmission data based on multiple parameters including PDU set completeness and delay budget constraints, which resolves the contradiction by improving transmission completeness while managing complexity through structured parameter evaluation
Solution Approach 2:
The patent segments the data transmission determination process into multiple steps: first determining transmission data based on PDU set information, then adjusting based on remaining delay budget. This segmentation allows systematic handling of large data volumes while maintaining delay requirements, improving reliability without overwhelming complexity
2Reliability
If terminal device transmits all data within delay budget, then data transmission reliability improves, but radio resource utilization deteriorates when data volume exceeds allocated resources
Solution Approach 1:
The patent applies partial action by transmitting only the necessary data within the allocated radio resources while prioritizing complete PDU sets and data with shorter remaining delay budgets. This ensures reliable transmission of critical data without wasting resources on data that can be transmitted later, optimizing both reliability and resource utilization
Solution Approach 2:
The patent changes the selection criteria to incorporate remaining delay budget as a key parameter. By prioritizing data with shorter remaining delay budgets, the system ensures time-sensitive data is transmitted first while efficiently using available radio resources, balancing reliability with resource utilization efficiency
3Reliability
If terminal device prioritizes complete PDU set transmission, then data transmission effectiveness improves, but transmission time increases when radio resources are insufficient
Solution Approach 1:
The patent applies preliminary action by first determining which PDU sets should be transmitted based on completeness requirements and remaining delay budgets before actual transmission occurs. This pre-filtering ensures that only time-critical and complete PDU sets are selected for transmission, improving effectiveness while minimizing transmission time by avoiding unnecessary delays
Solution Approach 2:
The patent uses partial action by transmitting only the essential PDU sets that can be completed within the delay budget and radio resource constraints. By selectively transmitting only necessary data rather than attempting to transmit all data, the system improves transmission effectiveness while controlling transmission time through rational selection criteria
Data Source
AI summary
A method and an apparatus for communication are provide. One example method includes: acquiring, by a terminal device, at least one first radio resource; determining, by the terminal device, first transmission data, wherein the first transmission data are transmitted through the at least one first radio resource; wherein the first transmission data are determined according to first information, and the first information includes at least one of: protocol data unit (PDU) sets in a plurality of logical channels of the terminal device; or a remaining delay budget corresponding to each of the plurality of logical channels of the terminal device.