Dynamic Unicast Multicast Switching for Wireless Data Transmission
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Solution Overview
Problem
Current data transmission methods in communication technologies face inefficiencies, as they often waste physical channel resources when sending data to multiple terminal devices using unicast, while low resource utilization occurs when using multicast for fewer devices.
Innovation Solution
A method and apparatus that dynamically switch between unicast and multicast transmission based on the quantity and geographical location of terminal devices, optimizing the data transmission manner to improve resource utilization by adjusting the data service channel configuration and indication information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If unicast transmission is used to send data to multiple terminal devices, then data delivery reliability is improved, but physical channel resources are wasted
Solution Approach 1:
The patent implements dynamic switching between unicast and multicast transmission modes based on real-time service requirements and terminal device quantities. The network side device determines the appropriate transmission mode by evaluating the number of terminal devices needing the same service data, thereby optimizing resource utilization while ensuring reliable data delivery when needed.
Solution Approach 2:
The patent changes the transmission mode parameter (unicast/multicast) based on the quantity of terminal devices and service requirements. By adjusting this parameter dynamically, the system achieves both reliable data delivery for individual terminals and efficient resource utilization for group communications.
2Loss of energy
If multicast transmission is used to send data to fewer terminal devices, then physical channel resources are saved, but resource utilization is relatively low
Solution Approach 1:
The system dynamically adjusts transmission mode based on the number of terminal devices. When few devices require service data, multicast is used to save resources; when many devices require the same data, unicast is switched to improve resource utilization. This dynamic adaptation resolves the contradiction between resource efficiency and utilization.
Solution Approach 2:
The transmission mode parameter is changed based on terminal device quantity thresholds. The network side device monitors and adjusts between unicast and multicast modes, optimizing both resource efficiency and utilization by selecting the appropriate parameter value for current network conditions.
3Device complexity
If transmission mode is fixed for a service, then system complexity is reduced, but adaptability to different terminal quantities is poor
Solution Approach 1:
The patent introduces dynamic transmission mode switching that automatically adapts to different terminal device quantities. The network side device evaluates current network conditions and switches between unicast and multicast modes, providing high adaptability while maintaining manageable system complexity through automated decision-making.
Solution Approach 2:
The system performs self-service by automatically determining the appropriate transmission mode based on monitored terminal device quantities and service requirements. This self-adjusting mechanism provides adaptability without requiring complex manual configuration or intervention.
Data Source
AI summary
A data transmission method includes: obtaining a quantity of terminal devices and geographical location information of a terminal device, where the terminal device is a terminal device that receives target service data in a first transmission manner; and determining, based on the quantity of terminal devices and the geographical location information of the terminal device, to switch the first transmission manner to a second transmission manner, so that the target service data is sent to the terminal device in the second transmission manner.