Antenna Tuning Matching Network for Throughput and Power Management
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Solution Overview
Problem
Communication devices face challenges in efficiently managing power consumption and antenna tuning across various frequencies and use conditions, which affects their performance and quality of service.
Innovation Solution
The implementation of a method and apparatus that utilize a tunable matching network with adjustable reactive elements, coupled with a processor and memory, to perform multiple layers of antenna tuning based on quality of service parameters, such as Total Radiated Power (TRP) and Total Isotropic Sensitivity (TIS), and adjust transmit power to maintain desired throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the communication device operates across multiple frequencies and use conditions, then the adaptability and versatility are improved, but the device complexity increases
Solution Approach 1:
The patent implements dynamic antenna tuning by adjusting reactive elements in the matching network based on detected use cases and frequency bands. The system continuously adapts the antenna impedance matching parameters in real-time to maintain optimal performance across different operating conditions, transforming a static system into a dynamic one that automatically adjusts to environmental changes.
Solution Approach 2:
The patent changes physical parameters of the matching network (reactive element values) based on detected use cases and frequency bands. By modifying the electrical parameters of the antenna system dynamically, the device achieves optimal impedance matching across multiple frequencies without requiring multiple fixed antenna systems, thereby reducing overall complexity while maintaining versatility.
2Reliability
If the device performs multiple layers of antenna tuning to optimize performance, then the quality of service is improved, but the use of energy increases
Solution Approach 1:
The patent performs preliminary antenna tuning by detecting the use case and selecting pre-determined matching parameters from a stored set of values. Instead of continuously adjusting parameters in real-time, the system prepares and stores optimal parameter sets in advance for different use cases, then quickly retrieves and applies the appropriate set, reducing the computational and energy burden of continuous tuning while maintaining high quality of service.
Solution Approach 2:
The patent implements a feedback mechanism where the system detects the current use case and adjusts the antenna matching parameters accordingly. The feedback loop monitors performance metrics and automatically adjusts the matching network to maintain optimal operation, ensuring high quality of service while managing power consumption through intelligent, condition-based adjustments rather than continuous high-power operation.
3Use of energy by moving object
If the device reduces transmit power to save energy, then the use of energy is reduced, but the radiated throughput decreases
Solution Approach 1:
The patent changes the impedance matching parameters of the antenna system to optimize the efficiency of power transfer from the amplifier to the antenna. By achieving better impedance matching, the system can maintain higher radiated throughput at lower transmit power levels, effectively decoupling the relationship between power consumption and throughput that would otherwise exist in a poorly matched system.
Data Source
AI summary
A system that incorporates teachings of the subject disclosure may include, for example, a controller that determines a radiated throughput for at least one of an uplink throughput or a downlink throughput of the communication device, reduces transmit power for the communication device responsive to the radiated throughput satisfying a predetermined throughput range, and tunes a matching network of the communication device responsive to the radiated throughput not satisfying the predetermined throughput range. Other embodiments are disclosed.