CSI-RS Transmission via Configured A-Type RB Groups
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Solution Overview
Problem
The complexity of wireless communication systems is increased due to the unfixed number of antenna ports for Channel State Information Reference Signals (CSI-RS), making it challenging to coordinate wireless resources effectively.
Innovation Solution
A CSI-RS transmission method and apparatus that transmit configuration information including the number of Resource Blocks (RBs) in an A-type RB group, where the A-type RB group comprises consecutive RBs for carrying all ports of CSI-RS, thereby reducing system complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If one RB is used to carry all antenna ports for the CSI-RS, then the system complexity is reduced, but the adaptability to different numbers of antenna ports is limited
Solution Approach 1:
The patent divides the resource allocation into multiple RB groups (A-type and B-type) with different functionalities. A-type RB groups are used for carrying CSI-RS antenna ports, while B-type RB groups are used for other purposes. This segmentation allows flexible adaptation to different numbers of antenna ports by configuring different numbers and sizes of A-type RB groups, thereby resolving the contradiction between system complexity and adaptability.
2Reliability
If the number of antenna ports for the CSI-RS is increased, then the CSI coverage is improved, but the wireless resources occupied by the reference signal increase
Solution Approach 1:
The patent introduces dynamic configuration of A-type RB groups, where the number and size of A-type RB groups can be flexibly adjusted according to the actual number of antenna ports. This dynamic approach allows the system to optimize the balance between CSI coverage (requiring more antenna ports) and wireless resource consumption, resolving the contradiction between reliability and quantity of resources.
3Reliability
If the number of antenna ports for the CSI-RS is increased, then the wireless communication system performance is improved, but the coordination complexity of wireless resources increases
Solution Approach 1:
By segmenting resources into A-type and B-type RB groups with clear functional definitions, the patent simplifies resource coordination. A-type RB groups are dedicated for CSI-RS transmission, while B-type RB groups handle other signals. This segmentation reduces the complexity of coordinating wireless resources when increasing the number of antenna ports, as the resource allocation rules become more structured and manageable.
Data Source
AI summary
Provided in embodiments of the present disclosure are a Channel State Information Reference Signal (CSI-RS) transmission method and apparatus. The method includes: configuration information is transmitted to a terminal, the configuration information including the number of Resource Blocks (RB) in an A-type RB group, and the A-type RB group comprises consecutive RBs for carrying all ports of CSI-RS; and the CSI-RS is transmitted to the terminal according to the configuration information. The present disclosure can solve the problem in the related art that system complexity is increased due to the unfixed number of antenna ports for the CSI-RS, and reduce the system complexity by transmitting the CSI-RS by means of the configuration information that includes the number of RBs included in the A-type RB group, and the A-type RB group comprises the consecutive RBs for carrying all the ports of the CSI-RS.