5G Network Controller Data Duplication for Jamming Interference

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Solution Overview

Problem

Conventional 5G communication systems are vulnerable to interference from jammers, particularly when they affect primary and secondary synchronization signals or physical uplink/downlink channels, leading to detection and demodulation failures, which is unacceptable in military and other critical applications.

Innovation Solution

Implementing data duplication and agility techniques across multiple frequency channels and base stations using spatial, temporal, and spectral diversity, including frequency hopping, beam re-assignment, and dual connectivity, to evade interference and ensure reliable communication.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional 5G communication is used, then network coverage and basic connectivity are achieved, but the system becomes vulnerable to jammer interference causing detection and demodulation failures

Engineering Contradiction:

Improvecommunication reliabilityVSAvoidjammer interference susceptibility

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent segments communication data into multiple copies transmitted over different frequency channels and through different base stations. This segmentation allows the system to bypass jammer interference on any single channel by receiving data through alternative paths, thereby maintaining communication reliability despite interference susceptibility on individual channels.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent dynamically changes transmission parameters including frequency channels, base station selections, and beam directions based on detected interference conditions. By continuously adapting these parameters, the system avoids jammer interference zones while maintaining reliable communication, transforming static vulnerable connections into dynamic resilient ones.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If data duplication across multiple frequency channels and base stations is implemented, then network resilience against jamming is improved, but system complexity increases

Engineering Contradiction:

Improvenetwork resilienceVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements multi-functionality by using the same base stations and network infrastructure for both normal communication and interference-resistant duplicated transmission. The network elements serve multiple purposes: primary data transmission, backup transmission, and interference monitoring, thereby managing complexity through resource consolidation rather than requiring entirely separate systems.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces dynamic adaptation where the system continuously monitors channel conditions and automatically adjusts data transmission paths, frequency channels, and base station selections. This dynamic behavior allows the complex duplicated system to optimize itself in real-time, managing complexity through intelligent control rather than static rigid configurations.

Inventive Principle:

Principle #15Dynamics

3Reliability

If multiple frequency channels are used for data duplication, then interference mitigation is improved, but spectral resources are consumed more rapidly

Engineering Contradiction:

Improveinterference mitigationVSAvoidspectral resource consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent applies local quality by transmitting data copies on different frequency channels only when and where interference is detected. Instead of uniformly using all available frequencies for all transmissions, the system selectively assigns frequency channels based on local interference conditions, thereby mitigating interference while conserving spectral resources in unaffected areas.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent extracts and isolates data transmission to specific frequency channels and base stations that are free from jammer interference. By identifying and removing contaminated channels from the transmission path and using only clean channels for data duplication, the system achieves interference mitigation without unnecessarily consuming spectral resources on already-clear channels.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS20240334465A1Method and system for improving network performance to reduce interference

Publication Date: 2024.10.03 LOCKHEED MARTIN CORP

AI summary

Embodiments disclose a computer-implemented method. The method includes detecting a stream of network packets for a computing device by a network controller. Based on the stream of network packets, the method includes detecting available frequency channels of a plurality of network stations by the network controller. The network controller may determine and select a plurality of available frequency channels of the plurality of network stations to transmit the stream of network packets. Then, the method performs one or more of: duplicating data of the stream of network packets over the plurality of available frequency channels, beam re-assignment over one or more network stations of the plurality of network stations and beam duplication over the plurality of network stations.