Coded Preamble Jamming Resistance for Point-to-Point Networks
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Solution Overview
Problem
Current communication systems lack effective jamming resistance, especially against powerful jammers, leading to high message error rates and reduced throughput due to rigid routing and non-adaptive redundant transmissions, which are inefficient and prone to network disruptions.
Innovation Solution
A method and system that utilize coded preamble packets transmitted on distinct frequencies to determine optimal transmission channels with low noise, allowing for real-time adaptation and improved jamming resistance by selecting the best frequency for data transmission based on feedback from receiving nodes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If coded preamble packets are transmitted on multiple distinct frequencies to determine optimal channels, then jamming resistance and network reliability are improved, but channel capacity consumption increases and message delay increases
Solution Approach 1:
The system performs preliminary channel quality assessment by transmitting coded preamble packets on multiple frequencies before actual data transmission. This preliminary action identifies optimal frequencies in advance, ensuring reliable communication without excessive delay during data transmission. The preamble transmission serves as a reconnaissance step that prevents time loss during actual communication.
2Reliability
If coded preamble packets are transmitted on multiple distinct frequencies to determine optimal channels, then jamming resistance and network reliability are improved, but channel capacity consumption increases
Solution Approach 1:
The system transmits coded preamble packets on multiple frequencies with reduced power or partial capacity compared to full data transmission. This partial action allows channel assessment without consuming excessive channel capacity. The preambles use minimal necessary resources to gather sufficient information for frequency selection, avoiding excessive energy expenditure.
3Reliability
If redundant transmissions are increased to overcome jamming, then message delivery reliability is improved, but network capacity utilization decreases and message delay increases
Solution Approach 1:
The system dynamically adapts transmission parameters based on real-time channel conditions assessed through coded preamble analysis. Instead of using fixed redundant transmission schemes, the system adjusts frequency selection, power levels, and transmission timing based on observed jamming patterns and channel quality. This dynamic approach maintains message delivery reliability while optimizing network capacity utilization by avoiding unnecessary redundant transmissions in good conditions.
Data Source
AI summary
A system for improving jamming resistance comprising a first node suitable for transmitting a coded packet and a second node suitable for receiving the coded packet. The first node generates a plurality of coded preamble packets and transmits the plurality of coded preamble packets to the second node on a plurality of frequency channels, the second node receives the plurality of coded preamble packets, determines a relative strength for each of the plurality of frequency channels based on a frequency channel condition determined from the transmission of the plurality of coded preamble packets and transmits a frequency channel response to the first node.