Gateway Beacon Adaptation for Cross-Network Interference Mitigation
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Solution Overview
Problem
Existing communication networks face inefficiencies in mitigating interference from external sources using frequency bands that are not part of their communication protocol, particularly in critical networks like vehicular and security networks, leading to increased complexity, production costs, and inefficient spectrum use.
Innovation Solution
A method involving a gateway node that generates a beacon signal upon detecting a predetermined event in a first communication network, which is adapted to the second network's protocol to reduce transmission power levels in nodes of the second network, ensuring interference mitigation only where and when needed, without requiring additional hardware for receiving the beacon signal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a static beacon signal is emitted by a prioritized communication network to enable interference mitigation, then interference protection is provided, but spectrum resources are inefficiently used and network node complexity increases due to requiring additional receiving means
Solution Approach 1:
A gateway node is introduced as an intermediary between the prioritized communication network and the second wireless communication network. The gateway node receives beacon signals from the prioritized network, decodes them, and forwards appropriate interference mitigation information to nodes in the second network using their native communication protocols. This eliminates the need for nodes in the second network to have receiving means for the prioritized network's beacon signals, thereby reducing device complexity while maintaining interference protection.
Solution Approach 2:
The gateway node creates adapted copies of the beacon signals by translating the interference mitigation information from the prioritized network's protocol into the communication protocols used by the second network. These copied and adapted signals are then transmitted to nodes in the second network, allowing them to implement interference mitigation without directly receiving or decoding the original beacon signals from the prioritized network.
2Reliability
If interference mitigation measures are implemented continuously in lower-priority networks, then reliable data communication is ensured, but spectrum resources are inefficiently used
Solution Approach 1:
Nodes in the second wireless communication network implement interference mitigation measures periodically rather than continuously. They monitor for beacon signals from the prioritized network and only apply interference mitigation (such as reducing transmission power or avoiding certain time-frequency resources) when such signals are detected. This periodic approach ensures reliable communication when needed while efficiently utilizing spectrum resources during periods when the prioritized network is not active.
Solution Approach 2:
The interference mitigation strategy is made dynamic rather than static. Nodes in the second network dynamically adjust their transmission parameters based on the presence or absence of beacon signals from the prioritized network. When beacon signals are detected, nodes adapt their behavior to mitigate interference; when no beacon signals are present, nodes operate with normal transmission parameters, thereby optimizing spectrum utilization while maintaining communication reliability.
Data Source
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AI summary
The invention proposes a method and communication system for mitigating interference between a first communication network of a first type and at least one second wireless communication network of a second type. The use of a gateway nodes allows for implementing dynamic and highly flexible interference mitigation measures, based on trusted and secure communications.