Data-Jam Apparatus for Secure IoT Communication
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Solution Overview
Problem
Existing IoT devices face challenges in secure short-range wireless communication, particularly in configuring secret keys for cryptography, especially when devices encounter numerous new devices daily, and many have limited or no user interfaces, making manual configuration impractical.
Innovation Solution
The implementation of a data-jam apparatus using two spaced antennas, where one transmits a data signal and the other transmits a jamming signal, allowing secure communication by leveraging the inverse square law to ensure the data signal is stronger than the jamming signal for nearby devices, while being indistinguishable for distant eavesdroppers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual secret key configuration is used for cryptographic security, then security is improved, but ease of operation deteriorates due to impracticality of manually configuring large numbers of devices
Solution Approach 1:
The system enables devices to automatically establish secure communications without manual intervention. The transmitting device autonomously performs signal analysis, determines channel conditions, and adjusts transmission parameters to maintain security while eliminating the need for manual secret key configuration.
Solution Approach 2:
The system dynamically changes transmission parameters including signal power, modulation scheme, and coding rate based on real-time channel conditions. This allows the system to adapt to varying environments and maintain secure communications automatically without manual reconfiguration.
2Reliability
If cryptographic protocols are implemented for secure communication, then security is improved, but device complexity increases due to requirements for user interfaces and configuration mechanisms
Solution Approach 1:
The system extracts and eliminates the need for complex cryptographic configuration interfaces and manual setup mechanisms. By using physical layer security techniques, the patent removes the burden of cryptographic protocol management from the device architecture, simplifying the overall system while maintaining security.
Solution Approach 2:
The system replaces mechanical/user interface-based configuration methods with automated electronic signal processing and channel analysis. This substitution eliminates the need for physical key entry interfaces and manual cryptographic setup, reducing device complexity while maintaining security.
3Adaptability or versatility
If data is transmitted over wireless channels, then communication capability is improved, but reliability deteriorates due to susceptibility to eavesdropping and interference
Solution Approach 1:
The system performs preliminary analysis of the wireless channel conditions before transmission, identifying potential eavesdropping risks and interference sources. Based on this preliminary assessment, the system pre-adjusts transmission parameters to counteract potential threats, maintaining security and reliability proactively rather than reactively.
Solution Approach 2:
The system continuously monitors channel conditions and receives feedback about transmission quality and potential interference. This feedback loop enables real-time adjustment of transmission parameters to maintain secure and reliable communications despite the inherently vulnerable wireless medium.
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
This method enables secure, low-intervention communication between devices without the need for prior connection or complex cryptographic setups, effectively securing data exchange in IoT environments with minimal manual input, even for devices with limited interfaces.
Implementation Method 1
transmitting a data signal containing the data via a first antenna
Implementation Method 2
transmitting a jamming signal via a second antenna located distal from the target antenna
Implementation Method 3
leveraging the inverse square law to ensure the data signal is stronger than the jamming signal for nearby devices, while being indistinguishable for distant eavesdroppers
Data Source
AI summary
Apparatuses that provide for secure wireless communications between wireless devices under cover of one or more jamming signals. Each such apparatus includes at least one data antenna and at least one jamming antenna. During secure-communications operations, the apparatus transmits a data signal containing desired data via the at least one data antenna while also at least partially simultaneously transmitting a jamming signal via the at least one jamming antenna. When a target antenna of a target device is in close proximity to the data antenna and is closer to the data antenna than to the jamming antenna, the target device can successfully receive the desired data contained in the data signal because the data signal is sufficiently stronger than the jamming signal within a finite secure-communications envelope due to the Inverse Square Law of signal propagation. Various related methods and machine-executable instructions are also disclosed.