Error Correction Code-Based Embedding in Adaptive Rate Communication System
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Authors
Harley, Peter Michael Baab
Tummala, Murali
Mceachen, John Colin
Subjects
Advisors
Date of Issue
2023-10-10
Date
Publisher
United States Patent and Trademark Office (USPTO)
Language
Abstract
The invention relates to concealing information within error correction codes of adaptive rate wireless communication systems. In some embodiments, the invention includes selecting a modulation and coding scheme with a more robust error correction capacity than needed by current channel conditions; encoding a hidden message with a pre-shared key that is known by a covert transmitter and a covert receiver, and after a standard message is encoded by a transmitting station of the wireless communication systems, replacing codeword parity bits of codewords in the encoded standard message with the encoded hidden message at designated locations. Before a receiving station of the wireless communication systems decodes the encoded standard message, a covert receiver extracts the embedded hidden message from the encoded standard message, replaces bit values of the embedded hidden message with zero at the designated locations, and decodes the extracted hidden message with the pre-shared key.
Type
Patent
Description
Series/Report No
Department
Organization
Identifiers
US 11,785,452 B2
NPS Report Number
Sponsors
Funding
Format
12 p.
Citation
Distribution Statement
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.