Multi-Antenna Wi-Fi and Bluetooth Switching for Interference Reduction
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Solution Overview
Problem
Electronic devices experience interference and reduced communication quality when operating in both Bluetooth and Wi-Fi modes due to time division multiplexing, leading to frame freezing and poor user experience.
Innovation Solution
The electronic device employs multiple antennas to independently manage Bluetooth and Wi-Fi communications based on signal strength and quality thresholds, switching to parallel modes when conditions are met to reduce interference and maintain high transmission performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If time division multiplexing is used to share an antenna between Bluetooth and Wi-Fi, then device complexity is reduced, but communication quality deteriorates due to interference and frame freezing
Solution Approach 1:
The patent divides the antenna system into separate dedicated antennas for Bluetooth and Wi-Fi operations. By segmenting the antenna resources, each communication mode has its own dedicated antenna, eliminating mutual interference and frame freezing issues while maintaining manageable device complexity through modular antenna design
Solution Approach 2:
The patent transitions from time-domain multiplexing (single antenna shared over time) to spatial-domain separation (multiple antennas operating simultaneously). This dimensional change allows both Bluetooth and Wi-Fi to operate in parallel without interference, significantly improving communication quality and real-time performance
2Reliability
If multiple antennas are used for parallel Bluetooth and Wi-Fi communication, then communication quality is improved, but device complexity increases
Solution Approach 1:
The patent implements a unified antenna selection mechanism that can dynamically assign different antennas to different communication modes based on real-time conditions. The same antenna management system serves both Bluetooth and Wi-Fi operations, providing multi-functionality that reduces overall system complexity despite having multiple physical antennas
Solution Approach 2:
The patent employs dynamic antenna selection and switching mechanisms that adapt to changing communication conditions. The system can dynamically determine which antenna to use for which communication mode based on signal strength, interference levels, and operational requirements, making the complex multi-antenna system manageable through intelligent control
3Quantity of substance
If time division mode is used, then antenna resources are saved, but transmission performance deteriorates due to cannot send/receive data in real time
Solution Approach 1:
The patent segments the antenna resources by dedicating specific antennas to specific communication modes, allowing simultaneous operation of Bluetooth and Wi-Fi without time-sharing constraints. This segmentation enables real-time data transmission for both modes without the delays inherent in time-division multiplexing
Solution Approach 2:
The patent enables continuous and uninterrupted data transmission for both Bluetooth and Wi-Fi by providing dedicated antennas for each mode. Unlike time-division mode where transmission must pause for mode switching, the parallel antenna configuration allows both communications to proceed continuously and in real-time
Data Source
AI summary
Embodiments of this application are applied to the communication field, and provide a communication method and an electronic device. In a scenario in which operating frequency bands of Wi-Fi communication and Bluetooth communication overlap, an electronic device may obtain a first communication indicator threshold after determining that the electronic device meets a first preset condition, and then compare a latest communication indicator obtained in real time with the first communication indicator threshold, to determine whether the latest communication indicator meets a second preset condition. When the latest communication indicator meets the second preset condition, the electronic device may perform Wi-Fi communication through a first antenna and perform Bluetooth communication through a second antenna. In this way, interference between the Wi-Fi communication and the Bluetooth communication can be reduced, and good transmission performance can be maintained. This not only improves system flexibility, but also improves communication quality of the electronic device.