Codeword Message Conveyance for Low-Power Secure Transmission
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Solution Overview
Problem
Existing message communication methods, such as those using Bluetooth or IEEE 802.11, suffer from security vulnerabilities and high overhead, which is undesirable for devices with low power consumption requirements.
Innovation Solution
A method involving mapping messages to codewords based on a previous codeword and a counter value, using a secure communication protocol that reduces overhead by inserting codewords into physical layer packets, allowing devices to operate efficiently under low power constraints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If default communication protocols (Bluetooth, IEEE 802.11) are used for message transmission, then security is provided through established protocols, but overhead is high leading to increased power consumption
Solution Approach 1:
The patent extracts only the essential security and communication functions from the default protocol stack, implementing a minimal overhead communication scheme that provides security through codeword-based transmission without the burden of complete protocol implementation, thereby reducing power consumption while maintaining security
Solution Approach 2:
The patent changes the communication parameters by using codeword-based transmission instead of traditional protocol-based transmission, altering the fundamental approach to message conveyance to achieve lower overhead and reduced energy consumption while maintaining security through the codeword mapping mechanism
2Reliability
If comprehensive communication protocols are used, then complete message conveyance is achieved, but overhead increases reducing system capacity
Solution Approach 1:
The patent extracts only the necessary elements for secure message transmission (codeword mapping and transmission) from the complete communication protocol, eliminating unnecessary overhead while maintaining message conveyance completeness, thereby increasing system capacity
Solution Approach 2:
The patent segments the communication process into essential components: codeword generation, codeword transmission, and codeword decoding, allowing for efficient implementation that maintains completeness while reducing overhead to increase system capacity
3Reliability
If traditional communication protocols are used, then standard message transmission is achieved, but overhead reduces throughput
Solution Approach 1:
The patent extracts the core message transmission function from traditional protocols and implements it through efficient codeword-based communication, eliminating protocol overhead that would otherwise reduce throughput while maintaining reliable message transmission
Solution Approach 2:
The patent implements dynamic codeword mapping that adapts to transmission conditions, allowing for efficient throughput by using counter values and previous codewords to generate transmission sequences that optimize data conveyance rate
4Reliability
If secure communication protocols are implemented, then security is enhanced, but complexity of the system increases
Solution Approach 1:
The patent extracts only the essential security mechanisms (codeword mapping based on counter values and previous codewords) from complex security protocols, implementing a simplified security approach that maintains protection while reducing system complexity
Solution Approach 2:
The patent implements self-synchronizing security through counter values that automatically maintain synchronization between transmitter and receiver without requiring complex key management or synchronization protocols, thereby enhancing security while minimizing complexity
Data Source
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AI summary
A method of a transmitter node is disclosed, for conveying a message selected from a collection of messages to a receiver node. The method comprises mapping the message to a current codeword based on a previous codeword and/or based on a counter value, and transmitting the current codeword to convey the message to the receiver node. A method of a receiver node is also disclosed, for detecting a message selected from a collection of messages by a transmitter node. The method comprises mapping a candidate message from the collection of messages to a candidate codeword based on a previous codeword and/or based on a counter value, receiving a current codeword from the transmitter node, and detecting the candidate message when the current codeword coincides with the candidate codeword. A method of a provisioning node is also disclosed, for controlling conveyance of a message selected from a collection of messages from a transmitter node to a receiver node. The method comprises providing, to the transmitter node and to the receiver node, information for mapping a message from the collection of messages to a current codeword based on a previous codeword and/or based on a counter value. Corresponding apparatuses, wireless communication device, nodes and computer program product are also disclosed.