Electronic Device System Information Request Timing

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Solution Overview

Problem

In communication systems like LTE or 5G, electronic devices face inefficiencies in radio resource usage when receiving system information, especially during handovers, leading to potential delays and increased power consumption.

Innovation Solution

The electronic device is configured to transmit a system information request before releasing the RRC connection with a handed-over base station, allowing for timely receipt of system information and reducing power consumption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If system information is requested after releasing RRC connection during handover, then radio resource efficiency is improved, but system information reception delay increases and power consumption increases

Engineering Contradiction:
Improveradio resource efficiencyVSAvoidsystem information reception delay
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The electronic device transmits the system information request before releasing the RRC connection with the handed-over base station. This preliminary action ensures that system information is received in advance, preventing reception delays while maintaining radio resource efficiency. The request is sent during the handover process itself, before the connection is fully released.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The electronic device autonomously determines the optimal timing for system information requests by monitoring its own RRC connection state and handover conditions. The device self-manages the timing to balance resource efficiency with reception reliability, eliminating the need for network-side control.

Inventive Principle:
Principle #25Self-service

2Productivity

If system information is requested after releasing RRC connection during handover, then radio resource efficiency is improved, but power consumption increases

Engineering Contradiction:
Improveradio resource efficiencyVSAvoidpower consumption
Core Design Contradiction:
ProductivityVSUse of energy by moving object

Solution Approach 1:

The electronic device transmits the system information request before releasing the RRC connection, utilizing the remaining active connection period to send the request. This timing avoids the need to wait for connection release and subsequent re-establishment, thereby reducing overall power consumption while maintaining radio resource efficiency.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The electronic device autonomously monitors its connection state and handover conditions to determine the optimal moment for requesting system information. This self-managed approach ensures the request is sent at the most energy-efficient time, balancing power consumption with reception reliability.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS12335849B2Electronic device and method for receiving system information in electronic device
Publication Date: 2025.06.17 SAMSUNG ELECTRONICS CO LTD
  • US12335849B2 patent drawing
  • US12335849B2 patent drawing
  • US12335849B2 patent drawing

AI summary

An electronic device includes at least one antenna and a processor configured to transmit and receive data to and from the a base station connected by communication, through the at least one antenna, perform a handover from the first base station to a second base station, receive first system information broadcast from the second base station, identify information related to a system information request based on the first system information, identify a time point for transmitting a system information request based on a data inactivity timer, and transmit a system information request to the second base station based on the information related to a system information request at the identified time point for transmitting a system information request.