mmWave Amplifier Array Mode Switching for 5G Power and Heat Control
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Solution Overview
Problem
Existing electronic devices face challenges in managing power consumption and heat generation in 5G communication systems, particularly in ultra-high frequency bands, and there is a need for efficient power management in response to varying network and device states.
Innovation Solution
The electronic device incorporates an amplifier array with transistors of different sizes and a communication processor that dynamically controls the operation mode of amplifier modules based on device states, such as low-power mode or strong electric fields, to reduce power consumption and heat.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If amplifier modules operate in high-power mode to maintain communication performance in ultra-high frequency bands, then data transmission rate is improved, but power consumption increases
Solution Approach 1:
The amplifier modules dynamically switch between first operation mode (high-power) and second operation mode (low-power) based on communication conditions. When signal quality is good or data rate requirements are low, the system transitions to the second operation mode to reduce power consumption. When high data rates are needed or signal conditions deteriorate, the system switches to the first operation mode, thereby adaptively balancing performance and energy consumption.
Solution Approach 2:
The system changes operational parameters of the amplifier modules by adjusting the operation mode (first mode with higher power output, second mode with lower power output). This parameter change allows the same hardware to operate at different power levels, enabling the system to reduce power consumption during periods when maximum performance is not required, while maintaining the capability to deliver high data rates when necessary.
2Reliability
If amplifier modules operate at high power in 5G communication systems, then communication performance is improved, but heat generation increases
Solution Approach 1:
The amplifier modules periodically switch between operation modes based on communication requirements. Instead of continuously operating at high power, the system uses periodic transitions between first operation mode (high performance, high heat) and second operation mode (reduced performance, reduced heat). This periodic action allows thermal management while maintaining overall communication performance through adaptive modulation and scheduling.
Solution Approach 2:
The system changes the operational parameters of the amplifier modules by switching between different operation modes with different power output levels. This parameter change directly affects heat generation, as the second operation mode operates at lower power and consequently generates less heat, while the first operation mode provides high performance when thermal conditions permit.
3Power
If all amplifier modules operate simultaneously in high-power mode, then uplink target power is achieved, but power consumption and heat generation increase
Solution Approach 1:
The amplifier array is segmented into multiple independent amplifier modules, each capable of operating in different modes. Instead of forcing all modules to operate simultaneously at high power, the system can selectively activate modules or assign different operation modes to different modules based on the required uplink target power. This segmentation enables granular power management, where only the necessary number of modules operate at high power, reducing overall power consumption and heat generation while still achieving the target power level.
4Use of energy by moving object
If amplifier modules operate in low-power mode to reduce power consumption, then power consumption is reduced, but communication performance deteriorates
Solution Approach 1:
The system dynamically adjusts the operation mode of amplifier modules based on real-time communication conditions and data rate requirements. When the system operates in the second operation mode to reduce power consumption, it monitors communication quality and data rate performance. If performance degradation becomes unacceptable or data rate requirements increase, the system dynamically transitions to the first operation mode, thereby adaptively balancing power consumption and productivity rather than operating statically at low power.
Solution Approach 2:
The system employs feedback mechanisms to monitor communication performance when operating in the second operation mode. Based on this feedback regarding signal quality, data rate achievement, and network conditions, the system determines whether to maintain the low-power operation or switch to the first operation mode. This feedback-driven approach ensures that power consumption is minimized only when communication performance requirements are still met, preventing unacceptable degradation of data transmission rate.
Data Source
AI summary
An electronic device is provided. The electronic device includes an amplifier array including at least one amplifier circuitry, an antenna array including at least one millimeter-wave (mmWave) antenna connected to the at least one amplifier circuitry, and a communication processor to identify a state of the electronic device, identify an operation mode of the amplifier array, corresponding to the state of the electronic device, control the amplifier array to operate in the operation mode, and control the antenna array to radiate a beam based on a signal amplified by the amplifier array operating in the operation mode.