Adaptive Linearity Communication Device Bias Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional wireless communication receivers face inefficiencies in maintaining linearity while conserving battery life, as increasing bias for linearity reduces battery life and results in increased power consumption, leading to reduced sensitivity and performance due to intermodulation distortion.
Innovation Solution
An adaptive linearity communication device that adjusts its bias based on the connection to a high-capacity power source, switching between high efficiency and high linearity modes to optimize power usage and minimize interference, using a processor to manage bias-dependent components and detect high-capacity power sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If bias is increased to improve linearity of receiver components, then linearity increases, but power consumption increases and battery life decreases
Solution Approach 1:
The patent applies dynamics by making the bias level adjustable and adaptive rather than fixed. The receiver component dynamically changes its bias level based on operating conditions, transitioning between high linearity mode (when interference is detected) and low power mode (during normal operation), thus resolving the contradiction between maintaining linearity and conserving power
Solution Approach 2:
The patent changes the bias parameter of the receiver component based on detected interference conditions. When interfering signals are detected, the bias is increased to improve linearity and reduce intermodulation distortion. When no interference is present, the bias is reduced to minimize power consumption, directly addressing the contradiction through conditional parameter adjustment
2Object-generated harmful factors
If bias is increased to reduce intermodulation distortion, then intermodulation distortion decreases, but battery life is reduced
Solution Approach 1:
The patent applies preliminary anti-action by detecting interfering signals before they cause significant intermodulation distortion. The system proactively adjusts the bias level in response to detected interference, preventing the generation of harmful IMD products rather than attempting to correct them after they occur, thus protecting battery life while maintaining signal quality
Solution Approach 2:
The patent converts the potentially harmful effect of increased power consumption into a beneficial selective measure. By using interference detection to trigger bias adjustment, the system only consumes additional power when necessary to combat actual interference, transforming what would be continuous harmful power drain into a targeted, beneficial intervention only when intermodulation distortion is a real threat
Data Source
AI summary
An adaptive linearity communication device and its operation are disclosed. The adaptive linearity communication device may include a component having a linearity dependent upon a bias and a processor configured to change the bias in response to the detection of a connection between the wireless communication device and a high-capacity power source. A method of operating an adaptive linearity communication device having a bias dependent component where the device is configured to operate in a high efficiency mode in the absence of a connection between the device and a high-capacity power source, may include determining whether a high-capacity power source is connected to the wireless communication device, and varying the operation of the bias dependent component based on whether a high-capacity power source is connected to the wireless communication device.