CSI-RS Resource Configuration for Accurate CSI in Energy-Saving Antenna Modes
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Solution Overview
Problem
Existing CSI-RS resource configurations in 5G networks are inadequate for accurately performing CSI measurements during energy-saving scenarios, leading to inefficient network energy conservation.
Innovation Solution
The method involves configuring multiple sub-configurations for CSI-RS resources and reporting information to enable accurate CSI measurements by terminal equipment, allowing network devices to adjust antenna configurations for energy-saving purposes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by stationary object
If network devices turn off some antennas to achieve energy conservation, then energy consumption is reduced, but CSI measurement accuracy deteriorates
Solution Approach 1:
The patent divides the antenna system into multiple antenna ports and configures multiple CSI-RS resource sets, where each resource set corresponds to a specific antenna configuration. This segmentation allows the terminal to measure CSI for different antenna subsets separately, ensuring accurate CSI feedback even when some antennas are turned off for energy saving.
Solution Approach 2:
The patent implements dynamic antenna configuration where the network device can adjust which antenna ports are active based on load conditions. The CSI-RS resource configuration is updated dynamically to match the current antenna state, allowing the system to adapt between energy-saving mode (fewer antennas) and high-performance mode (more antennas) while maintaining accurate CSI measurements.
2Measurement precision
If multiple CSI-RS resource configurations are introduced for different antenna configurations, then CSI measurement accuracy is improved, but device complexity increases
Solution Approach 1:
The patent designs a universal CSI-RS resource configuration framework that can accommodate multiple antenna configurations through a standardized structure. The same configuration parameters (resource sets, resources, reporting configurations) serve multiple purposes: they define both the measurement resources and the corresponding reporting requirements, eliminating the need for separate configuration mechanisms for each antenna state.
Solution Approach 2:
The patent implements a feedback mechanism where the terminal measures CSI based on the configured CSI-RS resources and reports the results back to the network device. The network device uses this feedback to determine the appropriate antenna configuration, creating a closed-loop system that automatically adapts to channel conditions while maintaining configuration manageability.
Data Source
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AI summary
Embodiments of this disclosure provide an information reception method, an information transmission method and apparatuses thereof. The information reception method is applicable to a terminal equipment and includes: receiving first CSI-RS resource configuration information, and/or, first CSI reporting configuration information, by the terminal equipment; wherein the first CSI-RS resource configuration information configures at least one first CSI-RS resource set, each of the first CSI-RS resource sets comprising at least one CSI-RS resource; the first CSI reporting configuration information at least configures first CSI reporting information to which M sub-configurations correspond; wherein the first CSI-RS resource configuration information is related to the first CSI reporting information to which the M sub-configurations correspond in the first reporting configuration information; where, M is an integer greater than or equal to 1.