Mobile Station Capability Signaling for Supplemental Uplink-Downlink Configuration
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Solution Overview
Problem
There is a lack of research on how to notify base station devices about the support of supplemental uplink-downlink configurations in radio communication systems, which hinders efficient communication.
Innovation Solution
Mobile station devices transmit information about their support for specific uplink-downlink configurations, including those in prescribed and unlicensed bands, to base station devices, enabling efficient communication by informing them of their capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If mobile station devices do not transmit capability information about supplemental uplink-downlink configuration support, then device complexity is reduced, but communication efficiency deteriorates due to lack of base station awareness
Solution Approach 1:
The mobile station device transmits capability information about supplemental uplink-downlink configuration support in advance, before actual communication occurs. This preliminary notification allows the base station to be aware of the device's capabilities and configure appropriate communication parameters, thereby improving communication efficiency without adding significant complexity during the communication process itself
2Loss of information
If mobile station devices transmit detailed capability information about uplink-downlink configurations, then base station awareness and communication efficiency are improved, but information transmission overhead increases
Solution Approach 1:
The invention extracts and transmits only the essential capability information related to supplemental uplink-downlink configuration support from the mobile station device. By selectively transmitting only the relevant capability flags or indicators rather than complete configuration details, the base station gains necessary awareness while minimizing information transmission overhead
Data Source
AI summary
In a radio communication system in which a supplemental uplink-downlink configuration can be used, a mobile station device and a base station device efficiently communicate with each other. A mobile station device communicates in prescribed bands. This mobile station device transmits information related to support of a specific uplink-downlink configuration.