User Equipment Power Control ID Configuration for Signaling Overhead Reduction
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Solution Overview
Problem
In future radio communication systems like NR, the use of beam-specific, waveform-specific, or service type-specific power control modes leads to a significant increase in communication signaling, resulting in a decline in communication throughput and spectral efficiency.
Innovation Solution
A method where a user terminal determines transmission power parameters based on associations between transmission power parameter sets and object sets, using power control IDs, object IDs, and parameter set IDs to reduce signaling overhead and enable flexible power control, while reporting power headroom reports (PHRs) for configured power control IDs to maintain efficient resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If beam-specific, waveform-specific, or service type-specific power control modes are employed, then power control precision is improved, but communication signaling overhead increases
Solution Approach 1:
The patent applies universality by creating a unified power control framework where a single power control parameter set can serve multiple purposes (beam-specific, waveform-specific, service type-specific control) through different configuration modes. The base station can configure power control parameters to apply universally across different transmission types or selectively for specific beams/waveforms/services, reducing the need for separate parameter sets for each control mode.
Solution Approach 2:
The patent merges multiple power control configuration approaches into a unified framework. Instead of maintaining separate parameter sets for beam-specific, waveform-specific, and service type-specific control, the system combines these into a single configurable parameter set that can be adapted through different RRC configuration modes, thereby reducing signaling overhead while maintaining the precision benefits of specific power control modes.
2Adaptability or versatility
If multiple power control parameter sets are configured for different transmission types, then power control adaptability is improved, but device complexity increases
Solution Approach 1:
The patent implements universality by designing a single power control parameter set that can be configured to serve multiple transmission types and control scenarios. Through RRC configuration modes, the same parameter set can be adapted for beam-specific, waveform-specific, or service type-specific control, eliminating the need for multiple separate parameter sets and reducing device complexity.
Solution Approach 2:
The patent applies dynamics by making the power control parameter configuration flexible and adaptable through RRC configuration modes. The system can dynamically switch between different configuration approaches (universal, beam-specific, waveform-specific, service type-specific) without requiring separate static parameter sets for each mode, thereby maintaining adaptability while reducing complexity.
3Measurement precision
If comprehensive PHR reporting for all power control modes is implemented, then power control accuracy is improved, but communication throughput decreases
Solution Approach 1:
The patent extracts and reports only the necessary power headroom information based on the configured RRC mode. Instead of reporting comprehensive PHR for all possible power control modes, the system extracts and reports only the relevant PHR information corresponding to the active configuration mode, thereby maintaining power control accuracy while reducing signaling overhead and preserving communication throughput.
Solution Approach 2:
The patent applies partial action by reporting only the necessary subset of power headroom information required for the current operational mode. Rather than implementing excessive comprehensive reporting for all possible power control scenarios, the system reports only what is needed for the active configuration, balancing accuracy requirements with throughput preservation.
Data Source
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AI summary
According to one aspect of the present disclosure, a user terminal has a receiving section that receives configuration information for a plurality of power control ID, and a control section that controls transmission power according to a set of transmission power parameters specified by using one of the plurality of power control IDs, and the control section determines part of the plurality of power control IDs as the target for reporting of PH (Power Headroom). According to one aspect of the present disclosure the decline in throughput can be reduced even when beam-specific, waveform-specific, service type-specific and/or other modes of transmission power control are used.