Antenna Switching via Performance Feedback
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Solution Overview
Problem
Conventional portable communication devices with multiple antennas do not efficiently select the optimum antenna for transmission, limiting the efficiency of transmissions.
Innovation Solution
A system and method for managing transmission antenna switching by selecting a preferred antenna configuration based on performance indicators during reduced data rate transmissions, evaluating and switching between configurations to determine the optimum configuration for transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple antennas are used for transmission, then transmission efficiency can be improved, but the complexity of antenna selection and switching increases
Solution Approach 1:
The system measures antenna performance indicators (such as signal strength, quality metrics) during reduced data rate transmissions and uses this feedback to dynamically evaluate and select the optimum antenna configuration for full data rate transmission, resolving the contradiction by enabling efficient antenna selection through performance-based feedback without requiring complex real-time switching during high-rate transmission
Solution Approach 2:
The system performs antenna evaluation and configuration selection during reduced data rate transmissions before switching to full data rate transmission, allowing the optimum antenna to be pre-selected and configured in advance, thereby simplifying the switching process when high-rate transmission is required
2Reliability
If antenna configuration is changed during transmission, then optimal performance can be achieved, but transmission interruptions or performance degradation may occur
Solution Approach 1:
The system periodically evaluates antenna performance during reduced data rate transmissions and switches configurations at predetermined intervals or when performance thresholds are met, allowing transmission to continue at reduced rates while antenna switching occurs, thus maintaining reliability without significant productivity loss
Solution Approach 2:
The system accepts temporary reduced data rate transmission as a partial sacrifice to enable safe antenna configuration changes, using the reduced rate period to perform evaluation and switching operations that would be too risky during full-rate transmission, thereby ensuring optimal performance is achieved with minimal overall productivity impact
Data Source
AI summary
An apparatus, system, and method manage a transmission antenna system by measuring an antenna performance indicator of an alternate antenna configuration during a reduced data rate transmission. After an antenna performance indicator is measured in a current (first) antenna system configuration, the antenna system is configured to an alternate (second) configuration during a reduced data rate transmission and the antenna performance indicator of the alternate (second) configuration is measured. The antenna performance indicators for both configurations are evaluated to determine the optimum antenna system configuration for transmission. If the alternate (second) configuration will result in decreased performance, the antenna system is changed back to the first antenna system configuration. Otherwise, the alternate (second) configuration is defined as the current configuration and the first antenna configuration is evaluated during reduced rate transmissions.