Non-Connected-State Measurement Control via SIB2 Indication

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Solution Overview

Problem

In LTE systems, terminals face poor communication performance due to the lack of clear guidance on controlling behavior when network-side devices indicate measurement configuration information for non-connected states without providing necessary indication information.

Innovation Solution

The terminal and network-side device implement a measurement control method where the terminal obtains and controls measurement configuration information, validity timers, and behaviors based on system messages, even in cases where the network-side device is incapable of receiving non-connected-state measurement results.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the network-side device indicates measurement configuration information for non-connected state in SIB5/RRC connection release message but does not provide indication information in SIB2, then the terminal cannot determine whether to perform measurements, but providing indication information increases system message complexity

Engineering Contradiction:

Improvemeasurement control reliabilityVSAvoidsystem message complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the indication information from the general system message (SIB2) and creates a dedicated field specifically for indicating non-connected state measurement reception capability. This separation allows the indication to be clearly provided without adding overall system message complexity, as the indication is only included when necessary for fast carrier activation/deactivation functionality.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The network-side device performs preliminary action by indicating in advance in SIB2 whether it is capable of receiving non-connected state measurement results. This preliminary indication allows the terminal to determine beforehand whether to perform measurements in non-connected states, eliminating the ambiguity that would otherwise require complex error handling and reconfiguration procedures.

Inventive Principle:

Principle #10Preliminary action

2Productivity

If the terminal performs measurements in non-connected state without clear indication, then fast carrier activation is enabled, but power consumption increases due to unnecessary measurements

Engineering Contradiction:

Improvecarrier activation speedVSAvoidterminal power consumption

Core Design Contradiction:

ProductivityVSUse of energy by moving object

Solution Approach 1:

The patent applies partial action by having the terminal perform measurements only when the network-side device explicitly indicates capability to receive non-connected state measurement results. When the indication is absent or negative, the terminal performs no measurements in non-connected state, avoiding excessive power consumption while maintaining fast carrier activation capability when needed.

Inventive Principle:

Principle #16Partial or excessive action

Solution Approach 2:

The network-side device provides feedback through the SIB2 indication information, telling the terminal whether measurement results in non-connected state will be utilized. This feedback mechanism allows the terminal to adapt its measurement behavior accordingly, performing measurements only when the network indicates it will use the results, thereby optimizing power consumption.

Inventive Principle:

Principle #23Feedback

3Reliability

If the terminal reports measurement results without clear indication from network, then measurement functionality is maintained, but communication performance deteriorates due to undefined terminal behavior

Engineering Contradiction:

Improvemeasurement functionalityVSAvoidcommunication performance

Core Design Contradiction:

ReliabilityVSProductivity

Solution Approach 1:

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent replaces the ambiguous mechanical interaction (terminal guessing whether to measure) with a clear signal-based system (SIB2 indication). The terminal behavior is substituted from uncertain autonomous decision-making to deterministic response based on network indication, ensuring consistent and reliable communication performance.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS12432602B2Measurement control method, terminal, and network-side device

Publication Date: 2025.09.30 VIVO MOBILE COMM CO LTD

AI summary

A measurement control method, a terminal, and a network-side device are provided. The terminal is configured with measurement configuration information for a non-connected state. A terminal-side measurement control method includes: obtaining a first system message sent by a network-side device, and controlling at least one of the measurement configuration information, a measurement validity timer, a measurement behavior, and a measurement result based on the first system message.