ADC/DAC Resolution Switching for Low-Power 5G Signal Detection
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Solution Overview
Problem
Advanced wireless communication networks, such as 5G and mmW systems, face challenges in power consumption due to the increased complexity of hardware and processes, leading to excessive power usage even when minimal resources are required, particularly in scenarios like detecting synchronization signals in areas without mmW base stations.
Innovation Solution
Implementing a low resolution analog-to-digital converter/digital-to-analog converter (ADC/DAC) process until an event occurs, then switching to a higher resolution for subsequent communications, thereby minimizing power consumption by optimizing ADC/DAC processes based on the specific communication needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If high resolution ADC/DAC process is used continuously, then communication quality is improved, but power consumption increases
Solution Approach 1:
The patent implements dynamic resolution switching in ADC/DAC processes, where the resolution is adjusted based on real-time communication conditions. The system transitions between low resolution and high resolution modes dynamically, rather than using a fixed high resolution continuously, thereby reducing power consumption while maintaining communication quality when needed.
Solution Approach 2:
The patent changes the resolution parameter of ADC/DAC processes based on communication events. By switching the resolution parameter between low and high states according to whether specific communication events have occurred, the system optimizes the balance between measurement precision and power consumption.
2Productivity
If advanced network components are added to support 5G/mmW communications, then network performance is improved, but power consumption increases
Solution Approach 1:
The patent applies partial action by using high resolution ADC/DAC only when necessary for advanced communications, rather than continuously. The system uses low resolution for basic communications and activates high resolution only when specific events occur, such as when detecting synchronization signals or during mmW communications, thereby avoiding excessive power consumption while maintaining network performance capability.
3Measurement precision
If high resolution ADC/DAC is used for all communications, then communication quality is maintained, but battery life decreases
Solution Approach 1:
The patent implements periodic switching between low and high resolution modes based on communication events. Rather than maintaining high resolution continuously, the system alternates between low resolution (for power saving) and high resolution (for quality communication) based on whether specific events have occurred, thereby extending battery life while maintaining communication quality when needed.
Data Source
AI summary
Methods, systems, and devices for wireless communications are described. A wireless device, such as a base station and/or a user equipment (UE), may select a first resolution for a first analog-to-digital or digital-to-analog conversion process associated with a first wireless communication. The wireless device may determine that the first wireless communication is performed according to the first resolution. The wireless device may select, based at least in part on the determining, a second resolution for a second analog-to-digital or digital-to-analog conversion process associated with a second wireless communication, the first resolution being a lower resolution than the second resolution.