Terminal Device Channel Quality Threshold Reporting
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Solution Overview
Problem
In wireless communication systems, terminal devices face unnecessary signaling overheads and energy consumption when reporting poor channel quality information for multiple reference signals, leading to inefficient communication.
Innovation Solution
A method where a network device sends a channel quality threshold to the terminal device, allowing it to report only channel quality information exceeding this threshold, thereby reducing unnecessary reporting and optimizing resource utilization through batch or separate reporting manners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the terminal device reports all N pieces of channel quality information configured by the network device, then the network device can obtain complete channel quality data for scheduling decisions, but unnecessary signaling overheads and energy consumption are caused when all channel quality information is relatively poor
Solution Approach 1:
The patent introduces a channel quality threshold parameter that changes the reporting behavior from fixed (report all N pieces) to conditional (report only pieces exceeding threshold). The network device configures different threshold values to control the quantity of reported channel quality information, dynamically adjusting the balance between information completeness and energy consumption based on channel conditions.
2Reliability
If the terminal device reports all N pieces of channel quality information configured by the network device, then the network device can obtain complete channel quality data for scheduling decisions, but unnecessary signaling overheads are caused when all channel quality information is relatively poor
Solution Approach 1:
The patent uses a channel quality threshold parameter to control the quantity of reported information. When channel quality is poor and all measurements fall below the threshold, the terminal device reports reduced or zero pieces of information, directly reducing signaling overhead while still providing the network device with sufficient data for scheduling decisions.
3Measurement precision
If the terminal device scans and measures all reference signals sent by the network device to obtain N pieces of optimal channel quality information, then accurate channel quality measurement is achieved, but time consumption and processing complexity increase
Solution Approach 1:
The patent applies partial action by having the terminal device measure all reference signals but report only a subset (those exceeding the threshold). This maintains measurement completeness for accuracy while reducing reporting time and processing requirements, as the device can quickly compare measurements against the threshold and selectively report.
Data Source
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AI summary
Embodiments of this application provide a signal communication method and apparatus. The method includes: sending, by a network device, a channel quality threshold to a terminal device, where the channel quality threshold is used by the terminal device to report first channel quality information, and the channel quality threshold is a threshold of second channel quality information; and receiving, by the network device, a first quantity of pieces of the first channel quality information sent by the terminal device based on the channel quality threshold. According to the signal communication method and apparatus in the embodiments of this application, a terminal device can be prevented from reporting unnecessary channel quality information, thereby reducing signaling overheads and energy consumption of the terminal device, and improving user experience.