Chip Harmonic Parameter Adjustment for Electromagnetic Interference Reduction

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Solution Overview

Problem

Existing wireless communication systems face interference from electromagnetic radiation generated by non-conventional wireless communication chips, which affect normal communication functions, and current solutions like electromagnetic shielding are costly and require complex mold designs.

Innovation Solution

A method and apparatus for adjusting harmonic parameters by determining target harmonics interfering with communication signals and adjusting their parameters, such as clock frequencies or spread spectrum, to minimize interference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If electromagnetic shielding material is used to inhibit electromagnetic radiation interference, then the interference is reduced, but the cost increases and production processes become more complex

Engineering Contradiction:
Improveelectromagnetic radiation interferenceVSAvoidproduction processes
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent changes the operating parameters of chips by adjusting their clock frequencies to avoid harmonic frequencies that cause electromagnetic interference. This parameter adjustment eliminates the need for electromagnetic shielding materials and complex mold designs, directly resolving the contradiction between interference reduction and production complexity

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent replaces the mechanical/physical approach of electromagnetic shielding with a software/control approach of dynamic frequency adjustment. Instead of using physical shielding materials that increase device complexity, the system uses parameter adjustment to achieve the same interference reduction goal

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Object-affected harmful factors

If electromagnetic shielding material is used to inhibit electromagnetic radiation interference, then the interference is reduced, but the cost increases

Engineering Contradiction:
Improveelectromagnetic radiation interferenceVSAvoidcost
Core Design Contradiction:
Object-affected harmful factorsVSQuantity of substance

Solution Approach 1:

By adjusting chip operating parameters (clock frequencies) to avoid interfering harmonic frequencies, the patent eliminates the need for expensive electromagnetic shielding materials, directly reducing cost while maintaining interference reduction effectiveness

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent uses a software-based parameter adjustment solution that is inexpensive compared to physical electromagnetic shielding materials. This software/control approach provides a cost-effective alternative that achieves the same interference mitigation goal

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Data Source

PatentUS20250279802A1Method and Apparatus for Adjusting Harmonic Parameter, Processor and Electronic Device
Publication Date: 2025.09.04 ANALOGIX SEMICON (SUZHOU) INC
  • US20250279802A1 patent drawing
  • US20250279802A1 patent drawing

AI summary

The present disclosure provides a method and apparatus for adjusting a harmonic parameter, a processor and an electronic device. The method includes: a target signal is determined, and the target signal is a communication signal by means of which a processor of a device interacts with other devices at present; a plurality of harmonics corresponding to a plurality of chips are determined, and whether a target harmonic present in the plurality of the harmonics is determined, and the target harmonic is a harmonic interfering with the target signal, and the plurality of the chips exist in the device; and in a case that the target harmonic is present, the harmonic parameter of the target harmonic is adjusted to a target harmonic parameter.