User Equipment State Synchronization via Idle Switching
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Solution Overview
Problem
In wireless communication systems, user equipment often experiences excessive battery consumption and synchronization issues due to being logged as idle when it is actually in a connected state, leading to degraded user experience and communication disruptions.
Innovation Solution
The user equipment autonomously switches to the idle state upon detecting messages that should not be generated while logged as connected, and then re-establishes the connected state as necessary to synchronize with the network, using techniques such as monitoring signaling channels and sending connection establishment messages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the user equipment operates in idle state to save power, then energy consumption is reduced, but communication reliability deteriorates when the equipment should actually be in connected state
Solution Approach 1:
The user equipment monitors downlink signaling channels for messages that indicate network-side state expectations. When such messages are detected, the equipment feeds back to itself that a state synchronization issue exists, triggering a transition to connected state to resolve the mismatch between actual and logged states.
Solution Approach 2:
The user equipment autonomously detects state synchronization issues by monitoring its own received messages and automatically transitions between idle and connected states without requiring external network commands, enabling self-correction of state mismatches.
2Measurement precision
If the user equipment monitors signaling channels to detect state mismatches, then state synchronization accuracy is improved, but device complexity increases
Solution Approach 1:
The existing downlink signaling channel monitoring function, originally designed for other purposes, is extended to also detect state synchronization issues. This multi-functional use of existing infrastructure avoids adding separate dedicated monitoring systems, thereby limiting complexity increase.
3Reliability
If the user equipment autonomously transitions to idle state and re-establishes connection, then state synchronization is improved, but communication interruption increases
Solution Approach 1:
The user equipment performs preliminary monitoring of downlink signaling channels to detect state synchronization issues before they cause communication failures. By detecting and correcting the mismatch early, the system prevents more severe communication interruptions that would occur if the equipment remained in the wrong state longer.
Data Source
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AI summary
A method (300) and user equipment (110) that are for operation in a wireless communication system (100) maintain system state synchronization between a fixed network (130) of the wireless communication system and the user equipment by performing a receipt (305) of a message from a network station (105) while the user equipment is in a connected state (220); a determination (310) that the message includes an address of the user equipment and that the message is a message that should not be generated while the fixed network has the user equipment logged as being in the connected state; and a switching (315) of the user equipment to an idle state (215).