Base Station Feedback for In-Device Coexistence Interference
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Solution Overview
Problem
In-device coexistence (IDC) interference occurs among different wireless communication modules in user equipment, such as NR, WLAN, Bluetooth, and positioning modules, leading to reduced data reception rates and potential wireless connection interruptions.
Innovation Solution
A method where a user terminal provides assistant information to a base station to help it configure settings to avoid interference by indicating frequency and time domain information related to coexistence interference, allowing the base station to adjust transmission parameters to minimize interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple wireless communication modules (NR, WLAN, Bluetooth, positioning) operate simultaneously in user equipment, then device functionality and versatility are improved, but in-device coexistence interference occurs leading to reduced data reception rates and potential connection interruptions
Solution Approach 1:
The patent implements a feedback mechanism where the first wireless communication module reports coexistence interference information to the base station. The base station receives this feedback, identifies the interfering module, and sends control information to adjust or suspend the interfering module's operation, thereby resolving the reliability issue while maintaining multi-module functionality
Solution Approach 2:
The patent changes operational parameters of the wireless communication modules by adjusting frequency domain configurations, time domain allocations, and power levels based on interference reports. The base station modifies these parameters dynamically to avoid interference between NR, WLAN, Bluetooth, and positioning modules while maintaining overall system performance
2Adaptability or versatility
If multiple wireless communication modules operate simultaneously, then device versatility is improved, but coexistence interference causes wireless connection interruptions
Solution Approach 1:
The patent applies preliminary action by having the first wireless communication module detect and report potential coexistence interference before it causes connection interruptions. The base station receives advance warning information and proactively adjusts module operations or reallocates resources to prevent connection failures, thereby maintaining stability while supporting multiple functions
Solution Approach 2:
The feedback mechanism enables continuous monitoring of connection stability across multiple modules. When interference is detected, the system receives real-time feedback and automatically adjusts operations to prevent disconnection, ensuring wireless connection stability is maintained despite having multiple communication modules operating simultaneously
Data Source
AI summary
This invention relates to a method performed by a first node in a communication system, the method comprising: transmitting, to a terminal, a first message comprising at least one of information for the terminal to report assistance information about in-device coexistence (IDC) problem associated with at least one frequency range, or information for the terminal to report assistance information about the IDC problem associated with at least one time domain; and receiving, from the terminal, the second message comprising at least one of the assistance information about the IDC problem associated with the at least one frequency range, or the assistance information about the IDC problem associated with the at least one time domain.