Small Data Transmission Reselection for Non-Connected Wireless Links
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Solution Overview
Problem
Existing wireless communication systems face inefficiencies in managing transmission types during small data transmissions in non-connected states, leading to increased retransmissions, power consumption, and suboptimal quality of service.
Innovation Solution
The system dynamically changes transmission types between configured grants and random access procedures based on variables like channel conditions and data volume, allowing transitions to connected states for further data transmission, thereby optimizing communication procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a fixed transmission type is used during small data transmissions in non-connected state, then the system operation is simple, but retransmissions increase and data throughput decreases
Solution Approach 1:
The patent implements dynamic transmission type selection that adapts to changing channel conditions, data volume, and traffic load. The system transitions between configured grant and random access procedures based on real-time conditions, making the transmission mechanism flexible rather than fixed, thereby improving data throughput while managing complexity through adaptive decision-making.
Solution Approach 2:
The system changes transmission parameters including transmission type, RRC state, and communication procedure based on monitored variables such as channel conditions, data volume, and traffic load. This parameter adaptation allows the system to optimize performance for different operational scenarios, resolving the contradiction between throughput and complexity.
2Productivity
If transmission type changes are made frequently to adapt to varying conditions, then data throughput improves, but power consumption increases
Solution Approach 1:
The system applies transmission type changes selectively rather than continuously, triggering transitions only when specific conditions are met (channel quality thresholds, data volume thresholds, traffic load levels). This partial action approach avoids unnecessary state changes and associated power consumption while still capturing the performance benefits when conditions warrant optimization.
Solution Approach 2:
The system monitors key variables (channel conditions, data volume, traffic load) and uses this feedback to make informed decisions about transmission type changes. This feedback mechanism ensures that power-consuming state transitions occur only when beneficial, balancing throughput improvement with energy conservation.
3Reliability
If the system transitions to connected state for data transmission, then quality of service improves, but the time and signaling overhead increase
Solution Approach 1:
The system performs preliminary assessments of channel conditions, data volume, and traffic load before initiating state transitions. By evaluating whether QoS improvement is necessary and likely, the system avoids unnecessary connected state transitions and their associated time overhead, while still transitioning when the QoS benefits justify the time investment.
Solution Approach 2:
The system dynamically selects between different transmission types (configured grant in non-connected state vs. random access/connected state) based on real-time conditions. This dynamic selection allows the system to achieve QoS improvements only when necessary, minimizing the time loss from state transitions while maintaining service quality when needed.
4Use of energy by moving object
If configured grant transmission is used, then power consumption is reduced, but reliability decreases under varying channel conditions
Solution Approach 1:
The system changes the transmission type parameter from configured grant to random access procedure based on monitored channel conditions, data volume, and traffic load. This parameter adaptation allows the system to maintain low power consumption through configured grants when conditions are favorable, while switching to more reliable random access procedures when channel conditions or traffic patterns indicate potential reliability issues.
Solution Approach 2:
The system continuously monitors channel conditions, data volume, and traffic load, using this feedback to determine when to switch from configured grant to random access transmission. This feedback mechanism ensures that power consumption remains low through configured grants during stable conditions, while reliability is maintained by switching to random access when monitoring indicates deteriorating conditions.
Data Source
AI summary
A communication procedure (e.g., a small data transmission (SDT) procedure) may be used for data transmission under certain scenarios. The communication procedure may facilitate transmission of small amounts of data, for example, even if a wireless device is in a non-connected state with respect to a network. Data transmission during the communication procedure may be based on a selected transmission type and the transmission type may be changed during the communication procedure.