User Equipment Radio Link Configuration Adjustment for Overheating

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Solution Overview

Problem

In LTE systems, high-speed wireless transmission modes can cause user equipment (UE) overheating, leading to transmission interruptions and reduced user experience, as existing methods for temperature control, such as detaching and reattaching the radio link configuration, may result in service data interruptions.

Innovation Solution

A method and device for UE and base station to monitor response messages and adjust radio link configurations, setting timers to determine optimal sending times for request messages, thereby reducing frequent signaling and overheating issues, including dynamic settings for time periods based on temperature thresholds and user preferences.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If high-order MIMO and multi-carrier aggregation are used to achieve high-speed data transmission, then transmission rate is improved, but user equipment overheating occurs causing transmission interruptions

Engineering Contradiction:
Improvedata transmission rateVSAvoidtransmission continuity
Core Design Contradiction:
SpeedVSReliability

Solution Approach 1:

The patent implements periodic monitoring of UE temperature with preset time periods between temperature checks. The UE sends temperature information to the base station at regular intervals, and the base station periodically adjusts radio link configuration based on received temperature data. This periodic action prevents continuous high-speed transmission that causes overheating while maintaining transmission continuity through systematic temperature management.

Inventive Principle:
Principle #19Periodic action

2Temperature

If request messages are sent frequently to reduce radio link configuration, then temperature control is improved, but signaling burden increases

Engineering Contradiction:
ImproveUE temperature controlVSAvoidsignaling messages
Core Design Contradiction:
TemperatureVSQuantity of substance

Solution Approach 1:

The patent implements preliminary temperature monitoring and prediction mechanisms where the UE proactively monitors its temperature and sends temperature information to the base station before critical overheating occurs. The base station uses this advance information to pre-adjust radio link configuration, preventing the need for frequent emergency request messages. This preliminary action reduces the quantity of signaling messages while maintaining effective temperature control.

Inventive Principle:
Principle #10Preliminary action

3Temperature

If radio link configuration is adjusted dynamically, then temperature management is improved, but service data interruptions occur

Engineering Contradiction:
ImproveUE temperature managementVSAvoidservice data continuity
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

The patent implements a closed-loop feedback system where the UE continuously monitors temperature and sends feedback to the base station, which then adjusts radio link configuration accordingly. The base station sends configuration adjustment commands based on received temperature feedback, and the UE acknowledges receipt. This structured feedback mechanism ensures temperature management is achieved through coordinated adjustments rather than abrupt changes, maintaining service data continuity while preventing overheating.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11800401B2User equipment protection method, device, user equipment and base station
Publication Date: 2023.10.24 BEIJING XIAOMI MOBILE SOFTWARE CO LTD
  • US11800401B2 patent drawing
  • US11800401B2 patent drawing
  • US11800401B2 patent drawing

AI summary

A method for protecting a user equipment includes: after sending a first request message for adjusting radio link configuration to a base station, monitoring a response message corresponding to the first request message in a first preset time period; determining a sending time for sending a second request message for adjusting the radio link configuration based on a monitoring result in the first preset time period; and sending the second request message at the sending time. This can avoid frequently sending a request message for adjusting a radio link configuration to a base station, reducing spectrum resource utilization and signaling burden of the network.