Terminal Paging-Cause Reporting for Multi-Card Base-Station Coordination

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Solution Overview

Problem

Multi-card terminals face performance issues due to the lack of interaction of paging cause capabilities between base stations, leading to suboptimal handling of RRC connections and service establishment in different systems.

Innovation Solution

Implement an information reporting method where terminals receive paging cause capability information from base stations, determine a target base station supporting this capability, and report its information to another base station, facilitating interaction of paging cause capabilities among base stations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the multi-card terminal switches connection to monitor paging and read system messages on the second system, then the terminal can establish service on the second system, but the performance of the first system is affected

Engineering Contradiction:

Improveservice establishment on second systemVSAvoidperformance of first system

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

The terminal autonomously determines whether to switch connections by evaluating paging cause information and base station capability information, performing self-service decision-making without requiring manual intervention or complex network coordination

Inventive Principle:

Principle #25Self-service

2Ease of operation

If the multi-card terminal releases RRC connection with the first system for long-time operations, then the terminal can perform operations on the second system, but the connection with the first system is interrupted

Engineering Contradiction:

Improveoperation on second systemVSAvoidRRC connection with first system

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The terminal dynamically adjusts the RRC connection state with the first system based on the duration and type of operations required on the second system, transitioning between connected and disconnected states as needed

Inventive Principle:

Principle #15Dynamics

3Adaptability or versatility

If base stations could interact paging cause capability information directly, then the usability of paging cause mechanism is improved, but the complexity of base station interface is increased

Engineering Contradiction:

Improveusability of paging cause mechanismVSAvoidbase station interface

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The terminal acts as an intermediary that collects paging cause capability information from base stations and relays relevant information between them, enabling indirect information exchange without requiring direct base station interfaces

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The terminal copies and forwards base station capability information between base stations, enabling information sharing through the terminal's memory and processing capabilities rather than direct network interfaces

Inventive Principle:

Principle #26Copying

Data Source

PatentUS20250240769A1Information reporting method, information reporting apparatus and storage medium

Publication Date: 2025.07.24 BEIJING XIAOMI MOBILE SOFTWARE CO LTD

AI summary

An information reporting method is performed by a terminal, and includes: receiving paging cause capability information transmitted by at least one first base station, wherein the paging cause capability information is at least configured for indicating whether the at least one first base station supports paging cause capability; determining, at least based on the paging cause capability information, a target base station supporting the paging cause capability from the at least one first base station; and reporting base station information of the target base station to a second base station accessed by the terminal.