Dynamic Antenna Transfer Switch for Simultaneous Voice and Data
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Solution Overview
Problem
Wireless communication systems face challenges in achieving high signal quality and avoiding receiver desensitization due to limited physical volume for antennas and inter-modulation of simultaneously transmitted signals in diversity antenna arrangements.
Innovation Solution
A dynamic transfer switch and transfer switch controller system that configures antenna selection based on operating mode and signal priority, communicatively connecting transceivers to specific antennas to optimize signal propagation and prevent inter-modulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate antennas are used for voice and data in diversity antenna arrangements, then signal quality is improved, but physical volume requirements cannot be met and receiver desensitization occurs due to inter-modulation
Solution Approach 1:
The patent implements dynamic antenna selection where a controller selectively connects transceivers to different antennas based on real-time operating conditions. The system transitions from static separate antenna assignments to dynamic sharing, allowing two transceivers to share one antenna when operating in different modes (voice or data only), while maintaining separate antenna connections when simultaneous voice and data operation is required. This dynamic approach reduces the number of physical antennas needed while preserving signal quality through intelligent resource allocation.
2Reliability
If separate antennas are used for voice and data, then signal quality is improved, but receiver desensitization occurs due to inter-modulation of simultaneously transmitted signals
Solution Approach 1:
The patent introduces a controller as an intermediary that manages antenna connections between transceivers and antennas. This controller prevents inter-modulation by ensuring that when two transceivers operate simultaneously, they are connected to different antennas through the controller's selective switching. The controller acts as a mediator that coordinates transmission activities, allowing high-power and low-power transceivers to operate concurrently without direct signal interference, thereby eliminating the harmful inter-modulation effect while maintaining separate antenna paths.
3Volume of moving object
If a single antenna is shared by multiple transceivers, then physical volume is reduced, but signal quality deteriorates due to antenna selection challenges
Solution Approach 1:
The patent implements a self-service antenna selection mechanism where the controller automatically monitors the operating modes of connected transceivers and dynamically reconfigures antenna connections without external intervention. The system self-adjusts by detecting when transceivers are in voice mode, data mode, or simultaneous operation, and accordingly connects them to appropriate antennas. This autonomous decision-making process ensures optimal signal quality is maintained while minimizing the number of physical antennas required, as the system serves itself by making real-time connection decisions based on operational requirements.
Data Source
AI summary
A method and system selects an antenna for signal propagation within a wireless communication device having multiple antennas. A transfer switch controller identifies an operating mode being initiated on the wireless communication device. The transfer switch controller configures a dynamic transfer switch based on the operating mode initiated to support propagation of each available type of communication signal. In addition, the transfer switch controller utilizes a pre-established priority of each available type of communication signal to select the appropriate antenna. The transfer switch controller communicatively connects, utilizing the configured dynamic transfer switch, each of at least one transceiver associated with the operating mode initiated to a specific antenna, where each transceiver supports propagation of a specific type of communication signal. As a result, the transfer switch controller enables each of the at least one communication signal to be propagated via a specific antenna selected using the configured dynamic transfer switch.