Multi-mode Antenna Tuner Circuit Power Optimization
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Solution Overview
Problem
Wireless communication devices face increased power consumption and heat dissipation due to the high current consumption of multiple antenna tuner circuits, which can compromise battery life and user experience.
Innovation Solution
A multi-mode antenna tuner circuit that can operate in either a low-current mode or a high-power mode, allowing for opportunistic configuration based on the operating environment and internal state of the device, thereby reducing power consumption and heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple antenna tuner circuits are used to support multiple RATs and frequency bands, then communication functionality and coverage are improved, but power consumption and heat dissipation increase
Solution Approach 1:
The patent implements a universal antenna tuner circuit that can perform multiple functions across different frequency bands and RATs. Instead of having separate dedicated tuner circuits for each frequency band and communication standard, a single multi-mode tuner circuit is designed to handle LTE, 5G-NR, and various frequency bands (sub-6 GHz, mmWave) through reconfigurable impedance matching networks and switching mechanisms, thereby reducing the total number of tuner circuits from over a dozen to a smaller set of multi-functional units.
Solution Approach 2:
The antenna tuner circuit employs dynamic reconfiguration capabilities through switching networks and variable impedance elements that can adapt the circuit's electrical characteristics in real-time based on the operating frequency band and communication mode. This dynamic adaptation allows the same hardware circuit to optimize its performance for different RATs and frequency ranges without requiring separate static circuits for each scenario.
2Reliability
If multiple antenna tuner circuits are used to improve impedance matching and frequency tuning, then communication performance is improved, but heat dissipation increases
Solution Approach 1:
The patent combines the functionality of multiple separate antenna tuner circuits into a single integrated multi-mode tuner circuit. By merging impedance matching networks, switching elements, and control logic into one unified circuit architecture, the total power consumption and heat generation are reduced while maintaining the necessary impedance matching performance across multiple frequency bands and communication standards.
3Reliability
If antenna tuner circuits operate in high-power mode to provide full functionality, then communication performance is maintained, but battery life is reduced
Solution Approach 1:
The antenna tuner circuit implements dynamic power mode switching between low-current mode and high-power mode based on real-time communication requirements. The control circuit monitors the operating conditions and automatically transitions the tuner between power modes, enabling the system to conserve battery life during low-activity periods while ensuring full performance when communication demands require it.
Data Source
AI summary
A multi-mode antenna tuner circuit and related apparatus are provided. The multi-mode antenna tuner circuit can be configured to operate in a low-current mode or a high-power mode. When operating in the high-power mode, the multi-mode antenna tuner circuit can provide full-fledged functionalities and consume a higher amount of current. In contrast, in the low-current mode, the multi-mode antenna tuner circuit provides reduced functionality and consumes a lower amount of current. In this regard, in a wireless communication apparatus employing multiple multi-mode antenna tuner circuits, it is possible to opportunistically configure some multi-mode antenna tuner circuits to operate in the low-current mode based on an operating environment (e.g., frequency band, location, etc.) and internal state (e.g., battery level, signal strength, etc.) of the wireless communication apparatus. As a result, it may be possible to reduce consumption and heat dissipation without compromising performance of the wireless communication apparatus.