Integrated Antenna Noise Cancellation Module
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Solution Overview
Problem
Electromagnetic interference (EMI) disturbances affect the performance of electrical circuits in portable devices such as GPS receivers, phones, and audio players, leading to signal degradation and interference.
Innovation Solution
An antenna module with integrated noise canceller and detector components that amplify, filter, and cancel noise and interference in the signal path, allowing for effective noise cancellation without substantial redesign of existing circuitry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional antenna modules are used without integrated noise cancellation, then device complexity is reduced, but electromagnetic interference affects signal quality and circuit performance
Solution Approach 1:
The patent combines the detector and noise canceller into an integrated module that is directly coupled to the antenna element. This merging of components allows noise cancellation functionality to be added without substantially redesigning existing circuitry, as the integrated module can be added to existing antenna modules with minimal modification to the overall circuit architecture.
Solution Approach 2:
The integrated detector and noise canceller act as an intermediary component between the antenna element and the rest of the receiving circuitry. The detector monitors for interference and spurs, and the noise canceller actively cancels detected noise from the signal path, providing signal protection without requiring redesign of the entire receiving system.
2Object-affected harmful factors
If noise cancellation components are added to antenna modules, then electromagnetic interference is reduced, but manufacturing complexity increases
Solution Approach 1:
By merging the detector and noise canceller into a single integrated module that couples directly to the antenna element, the patent simplifies the manufacturing process. This integrated approach allows existing antenna modules to be upgraded with noise cancellation capability without requiring substantial redesign or complex assembly of multiple separate components.
3Reliability
If integrated detector and noise canceller are added to signal path, then noise cancellation effectiveness is improved, but device complexity increases
Solution Approach 1:
The patent segments the noise cancellation functionality into a distinct integrated module containing both the detector and noise canceller. This segmentation allows the noise cancellation function to be implemented as a self-contained unit that can be added to existing antenna modules without complicating the overall device architecture, as the integrated module operates independently with minimal interaction with other circuit components.
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 provides efficient noise cancellation, reducing interference and spurs in electromagnetic signals, thereby enhancing the performance and reliability of electronic devices with minimal time-to-market and ease of integration.
Implementation Method 1
an antenna configured to receive an electromagnetic signal in a signal path
Implementation Method 2
an amplifier configured to amplify the received electromagnetic signal
Implementation Method 3
a filter configured to receive the amplified signal from the first node, and to provide a filtered signal output therefrom
Implementation Method 4
a noise canceller and a detector integrated in the signal path at the first node... detecting noise in a separate signal path; canceling the detected noise from the signal path
Data Source
AI summary
An antenna module with a detector and an associated canceller is disclosed. The detector may also detect interference and spurs. In one embodiment, an antenna module can include: an antenna configured to receive an electromagnetic signal in a signal path; an amplifier configured to amplify the received electromagnetic signal, and to provide the amplified signal at a first node; a filter configured to receive the amplified signal from the first node, and to provide a filtered signal output therefrom; and a noise canceller and a detector integrated in the signal path at the first node.