Tunable Antenna Throughput-Based State Control
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Solution Overview
Problem
Tunable antennas in user equipment (UE) face inefficiencies due to varying environmental conditions and interference, leading to suboptimal performance in dynamic situations, especially during carrier aggregation, where different data streams experience different throughput and interference levels.
Innovation Solution
The UE dynamically updates the state of its tunable antennas based on real-time throughput performance measurements, using parameters like realized throughput, received signal strength indicator (RSSI), and transmit power requests to optimize antenna tuning for improved efficiency across multiple frequencies and data streams.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the antenna operates at multiple frequencies simultaneously, then the coverage and data rate are improved, but the antenna efficiency deteriorates due to interference and varying environmental conditions
Solution Approach 1:
The patent implements dynamic antenna tuning where the antenna state is adjusted in real-time based on environmental conditions and throughput performance. The system continuously monitors throughput for different data streams and reconfigures the antenna impedance and resonant frequency to optimize performance for the currently weakest stream, transforming a static antenna into an adaptive system that maintains high efficiency across varying operational conditions.
Solution Approach 2:
The system changes physical parameters of the antenna including impedance values and resonant frequency to adapt to different operational scenarios. By adjusting these parameters based on monitored throughput performance, the antenna can efficiently operate across multiple frequency bands and environmental conditions, resolving the contradiction between multi-frequency operation and maintained efficiency.
2Reliability
If the antenna is tuned for optimal performance at a specific frequency, then the efficiency is improved, but the adaptability to different environmental conditions deteriorates
Solution Approach 1:
The patent implements a feedback mechanism where the system continuously monitors throughput performance of different data streams and uses this information to dynamically adjust the antenna configuration. This closed-loop control ensures the antenna adapts to changing environmental conditions while maintaining optimal efficiency by responding to actual performance measurements rather than relying on pre-configured settings.
Solution Approach 2:
The antenna system is designed to perform multiple functions by supporting operation across different frequency bands and environmental conditions. Through dynamic reconfiguration capability, a single antenna structure can adapt to serve various operational requirements, making it universally applicable across diverse wireless communication scenarios without requiring multiple dedicated antennas.
3Productivity
If the antenna state is fixed, then the device complexity is reduced, but the throughput performance deteriorates in dynamic situations
Solution Approach 1:
The antenna system performs self-optimization by automatically monitoring its own throughput performance and adjusting its configuration without external intervention. The baseband circuitry and RF circuitry work together to measure throughput for different data streams and autonomously reconfigure the antenna to improve the weakest stream, enabling the system to self-adapt to changing conditions while maintaining simplicity in control architecture.
Data Source
AI summary
An apparatus of a user equipment (UE) to perform tuning of a tunable antenna may comprise baseband circuitry and radio frequency (RF) circuitry. The baseband circuitry may determine an indication of throughput performance of a tunable antenna for the UE while the tunable antenna is in a first state. The RF circuitry may select a second state for the tunable antenna based on the indication of throughput performance for the tunable antenna. The second state may be selected to improve throughput performance of a data stream for the UE. The RF circuitry may also generate a control signal to transition the tunable antenna to the second state.