Communication Parameter Determination for Signaling Overhead Reduction

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Solution Overview

Problem

Existing communication technologies face challenges in efficiently determining communication parameters, leading to increased signaling overhead and suboptimal coherent joint transmission (CJT) performance due to unclear configurations of beam number combinations and parameter combinations.

Innovation Solution

A method and apparatus for determining communication parameters by a user equipment (UE) and network device, involving the reception and processing of information to identify specific beam number and parameter combinations, including frequency domain vector parameters and non-zero coefficients, to reduce signaling overhead and enhance CJT performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the network device configures multiple CSI-RS resources corresponding to multiple TRPs for service provision, then the service coverage and transmission reliability are improved, but the signaling overhead increases and the system complexity increases

Engineering Contradiction:
Improvetransmission reliabilityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple CSI-RS resource configurations into a unified CMR configuration. The network device configures a channel measurement resource that includes multiple CSI-RS resources corresponding to multiple TRPs, allowing the UE to perform joint channel estimation and beam management across multiple transmission points through a single configuration structure, thereby reducing signaling overhead while maintaining transmission reliability

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The CMR configuration serves multiple functions simultaneously: it configures channel measurement resources for multiple TRPs, defines beam management parameters for multiple CSI-RS resources, and establishes the correspondence between TRPs and CSI-RS resources. This multi-functional configuration reduces the need for separate configuration messages for each TRP, thereby reducing system complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If the network device configures multiple CSI-RS resources corresponding to multiple TRPs for service provision, then the service coverage is improved, but the signaling overhead increases

Engineering Contradiction:
Improveservice coverageVSAvoidsignaling overhead
Core Design Contradiction:
Adaptability or versatilityVSLoss of information

Solution Approach 1:

The patent merges configuration information for multiple CSI-RS resources into a single CMR configuration structure. By defining a unified configuration that includes multiple CSI-RS resource identifiers, beam management parameters, and TRP correspondences, the system reduces the number of separate configuration messages needed, thereby reducing signaling overhead while maintaining service coverage

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The CMR configuration is segmented into modular components: CSI-RS resource identifiers, beam management parameters, and TRP correspondence relationships. This segmentation allows flexible configuration of multiple TRPs within a unified structure, enabling efficient signaling while maintaining adaptability for different service coverage requirements

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP4701112A1Communication parameter determination method and apparatus, and device and storage medium
Publication Date: 2026.02.25 BEIJING XIAOMI MOBILE SOFTWARE CO LTD
  • EP4701112A1 patent drawingFigure 1~4
  • EP4701112A1 patent drawingFigure 5~8
  • EP4701112A1 patent drawingFigure 9

AI summary

The present disclosure relates to a communication parameter determination method and apparatus, and a device and a storage medium. The method comprises: receiving first information; and determining, on the basis of the first information, a first number of first beam number combinations and at least one first parameter combination corresponding to the first number of first beam number combinations, wherein the at least one first parameter combination comprises a frequency domain vector parameter Pv and a non-zero coefficient parameter β. By means of receiving first information, a first number of first beam number combinations and at least one first parameter combination corresponding thereto are determined. Therefore, a terminal performs CSI reporting on the basis of the determined first beam number combinations and the corresponding first parameter combination thereof, thereby reducing signaling overheads and improving CJT performance.