Wireless Terminal Radio Resource Reconfiguration Monitoring
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Solution Overview
Problem
Current wireless communication systems, such as LTE, face challenges in efficiently managing radio resource reconfiguration and signal transmission due to the need for more adaptive frequency usage, reduced power consumption, and improved service availability, particularly in managing channel state information reporting.
Innovation Solution
A method and apparatus for a user equipment that monitors radio resource reconfiguration control information across multiple subframes, applying a valid UL-DL configuration only if detected consistently, and falling back to a secondary configuration if not valid, with radio resource reconfiguration information transmitted through the common search space of the downlink control channel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the terminal monitors radio resource reconfiguration control information in multiple subframes to ensure reliable configuration detection, then the reliability of configuration is improved, but the power consumption increases due to extended monitoring duration
Solution Approach 1:
The terminal performs preliminary monitoring in the first subframe to detect radio resource reconfiguration control information. If detection succeeds, the terminal applies the configuration and stops further monitoring, avoiding unnecessary power consumption in subsequent subframes. This preliminary action approach resolves the contradiction by achieving reliable configuration detection while minimizing energy usage.
Solution Approach 2:
The monitoring behavior is made dynamic rather than static. The terminal adaptively adjusts its monitoring duration based on whether configuration information is detected in the first subframe. If detected, monitoring stops; if not detected, monitoring continues in the second subframe. This dynamic adaptation resolves the contradiction between reliability and power consumption.
2Measurement precision
If the terminal continuously monitors for radio resource reconfiguration control information to ensure accurate configuration application, then the accuracy of configuration detection is improved, but the time consumption increases due to extended monitoring periodicity
Solution Approach 1:
The terminal performs preliminary detection in the first subframe before proceeding to the second subframe. This preliminary action allows the terminal to achieve accurate configuration detection while minimizing the total monitoring time by stopping early when configuration is found, thus resolving the contradiction between detection accuracy and time consumption.
3Adaptability or versatility
If the terminal applies radio resource reconfiguration based on detected control information to enable adaptive resource management, then the adaptability of resource allocation is improved, but the device complexity increases due to additional configuration management procedures
Solution Approach 1:
The configuration management process is segmented into distinct stages: monitoring stage (detecting control information in first and second subframes), decision stage (determining whether configuration is valid), and application stage (applying configuration if valid). This segmentation resolves the contradiction by making the adaptive resource management process more structured and manageable, reducing perceived complexity while maintaining adaptability.
Solution Approach 2:
The terminal dynamically adjusts its resource allocation based on detected control information, making the system adaptive. The complexity is managed through clear conditional logic: if configuration is detected and validated, apply it; otherwise, maintain current configuration. This dynamic approach with simple decision rules resolves the contradiction between adaptability and complexity.
Data Source
AI summary
The present invention relates to a method and an apparatus for transmitting and receiving a signal by a terminal in a wireless communication system supporting reconfiguration of wireless resources. Specifically, the method comprises a step of monitoring wireless resource reconfiguration control information on a number of sub-frames within a set monitoring cycle in order to reconfigure wireless resources, wherein a first uplink-downlink setting in accordance with wireless resource reconfiguration control information is valid only if equally detected on a number of sub-frames, and wherein a number of sub-frames are sub-frames set to monitor wireless resource reconfiguration control information of a terminal.