Small Data Transmission Control for Idle-State Uplink Mismatch
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Solution Overview
Problem
Existing communication systems lack a solution for timely data transmission when data to be sent does not meet the conditions for small data transmission, necessitating a method to ensure data is transmitted efficiently without entering a connected state.
Innovation Solution
A terminal sends first information to a network device when configuration information of small data transmission does not meet the transmission requirements, allowing the network device to make decisions to transition the terminal to a connected state for data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If data transmission is performed without flow control in full-duplex mode, then transmission efficiency is improved, but data loss occurs when buffer is full
Solution Approach 1:
The patent implements a flow control mechanism where the receiver monitors its buffer status and sends feedback signals (first feedback information indicating buffer full state, second feedback information indicating buffer empty state) to the transmitter. This feedback loop enables the transmitter to adjust its transmission rate dynamically, preventing data loss while maintaining high transmission efficiency through selective continuation of transmission operations.
2Reliability
If flow control is implemented to prevent data loss, then reliability is improved, but transmission efficiency decreases
Solution Approach 1:
The patent employs dynamic flow control where the transmission operation mode is adaptively adjusted based on real-time buffer status. The system transitions between different transmission modes (continuing to send, stopping, or switching to half-duplex) depending on receiver buffer conditions, thereby maintaining reliability while maximizing transmission efficiency through flexible, condition-based decision making.
Solution Approach 2:
The patent applies partial action by selectively continuing data transmission only when buffer conditions permit, rather than continuously transmitting. The transmitter sends data in partial bursts interspersed with flow control pauses, achieving sufficient data delivery without the excessive transmission that would cause buffer overflow and data loss.
3Reliability
If buffer size is increased to prevent data loss, then reliability is improved, but device complexity and memory requirements increase
Solution Approach 1:
The patent implements preliminary flow control actions by monitoring buffer status before data loss occurs. The receiver proactively sends feedback information when the buffer reaches a full state, allowing the transmitter to halt or adjust transmission before overflow happens. This preventive approach eliminates the need for oversized buffers, maintaining reliability with minimal memory requirements.
Data Source
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AI summary
The present application provides a method and an apparatus for controlling data transmission, and a storage medium. The method includes: receiving, by a terminal, configuration information of SDT from a network device; when a terminal is in an idle state or an inactive state, if the terminal determines that first data is to be sent, and that the configuration information of the SDT does not meet a transmission requirement of the first data, sending first information to the network device, where the first information is used to indicate that there exists the first data to be sent at the terminal, so as to inform the network device that there exists the first data to be sent at the terminal whose transmission requirement does not match the configuration information of the SDT, so that the network device makes a relevant decision. Therefore, the present application provides a related solution for a case where the configuration information of the SDT at the terminal does not meet the transmission requirement of the first data, so as to ensure the timely transmission of the first data.