Programmable Power Detection Across Wide Transmit Ranges
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing communication systems face challenges in accurately detecting power levels across wide dynamic ranges due to signal saturation and noise interference, particularly in systems with multiple power control circuitries, leading to increased chip size and inefficiencies.
Innovation Solution
A system with programmable power detection and adjustable attenuators that create a table correlating power levels to Transmitted Signal Strength Indicators (TSSIs), allowing detection across dynamic ranges for multiple communication standards, and sharing components like a baseband for WLAN and Bluetooth signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If multiple power control circuitries are implemented to detect power levels across wide dynamic ranges, then power detection accuracy is improved, but chip size increases
Solution Approach 1:
The patent implements a universal power detection circuit that can detect power levels across wide dynamic ranges by dynamically adjusting its detection range. The circuit uses a control mechanism to switch between different detection modes, allowing a single circuit to perform multiple power level detections that would traditionally require separate dedicated circuits for each power range.
2Device complexity
If traditional power detection methods are used, then circuit simplicity is maintained, but signal saturation and noise interference occur
Solution Approach 1:
The patent employs dynamic range adjustment mechanisms that allow the power detection circuit to adapt its sensitivity and detection range in real-time based on the input signal characteristics. This dynamic capability enables the simple circuit structure to handle varying signal conditions without saturation or noise interference by automatically adjusting operational parameters.
Solution Approach 2:
The invention changes operational parameters such as gain, attenuation, and detection threshold dynamically to match the input signal power level. By adjusting these parameters based on the detected signal strength, the circuit maintains optimal detection performance across different power levels while preserving circuit simplicity.
Data Source
AI summary
A device comprising a first circuit, a second circuit, and a third circuit. The first circuit to receive, from an amplifier, a first signal having a first amount of power. The first circuit to also determine, based on the first amount of power, a range of power associated with transmission of the first signal by a transmitter. The second circuit to receive a second signal to define one or more characteristics of the second circuit. Receipt of the second signal, by the second circuit, can cause the second circuit to adjust the first signal from the first amount of power to a second amount of power. The third circuit to receive, from the second circuit, the first signal having the second amount of power, and the third circuit to provide a third signal having a voltage level to indicate a third amount of power transmitted by the transmitter.