Super-Regenerative UWB Receiver With Damping-Controlled Detection
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Solution Overview
Problem
Current ultrawideband (UWB) communication receivers face challenges in achieving low consumption and high temporal resolution while being susceptible to interference and noise due to their large bandwidth, and existing solutions are complex and energy-intensive, failing to effectively address the need for simple, low-consumption architectures that can handle varied environments and exploit the excellent temporal resolution of UWB signals.
Innovation Solution
A super-regenerative receiver architecture is adapted for UWB signals, utilizing an oscillator at the limit of instability with a damping control signal to optimize sensitivity and bandwidth, incorporating means for signal adaptation and multipath handling, enabling efficient detection and demodulation with low energy consumption and high temporal resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If a super-regenerative receiver architecture is used, then energy consumption is reduced and temporal resolution is improved, but the receiver becomes more susceptible to interference and noise due to large bandwidth
Solution Approach 1:
The patent implements dynamic control of the oscillator's quality factor Q through a control signal that adjusts the damping coefficient. This allows the receiver to dynamically adapt its bandwidth and sensitivity characteristics, optimizing performance for different signal conditions while managing noise and interference susceptibility
Solution Approach 2:
The patent changes the operational parameters of the super-regenerative detector by modulating the damping coefficient of the oscillator. This parameter change enables the system to switch between different sensitivity and bandwidth states, reducing noise susceptibility while maintaining low energy consumption
2Reliability
If existing UWB receiver solutions are implemented, then communication functionality is achieved, but the architectures are complex and energy-intensive
Solution Approach 1:
The patent combines multiple functions into the single super-regenerative detector core. The oscillator serves simultaneously as the frequency reference, signal amplifier, and detector, eliminating the need for separate local oscillators, mixers, and detectors that characterize complex conventional architectures
Solution Approach 2:
The super-regenerative detector is designed to perform multiple functions: signal detection, demodulation, and timing recovery. This universal approach allows a single component to replace multiple specialized components, reducing overall system complexity while maintaining communication reliability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution achieves low energy consumption and high bandwidth, effectively detecting UWB signals with high temporal resolution, enhancing the receiver's ability to handle multipath environments and providing accurate location capabilities while minimizing electrical energy consumption.
Implementation Method 1
A device for receiving pulsed UWB (ultrawideband) radio-frequency signals, comprising amplification means, oscillation means responsive to an instability control signal, shaping means, demodulation means
Implementation Method 2
oscillation means responsive to an instability control signal
Data Source
AI summary
Receiver and reception method of receiving pulsed ultrawideband radio-frequency signals employ an amplification phase, an oscillation phase sensitive to an instability control signal, a shaping phase, and a demodulation phase, and further including an adaptation control step for adapting the receiver or the reception method to the type of signals to be received.