Sub Carriers Carry Secret: An Absolute Stego Approach
Information security is a prime concern especially when it comes to business
and corporate sectors where off the record information should be given utmost
importance. Very cooperative especially to business enterprise, modern day expertise
has contributed a lot towards sharing a surreptitious data. The field of wireless
communication has surmounted many hurdles in the past few years and is now finally
capable of supporting higher data rates thanks to the development of Orthogonal
Frequency Division Multiplexing (OFDM). It is the most ideal format for broadband
communication to meet its need for higher data rates. This study further augment
the usefulness of OFDM communication by making it secure to avert data piracy.
This study propose an idea of embedding the secret message at the real part
of Inverse Fast Fourier Transform (IFFT) output of OFDM system and performance
of the system is examined for various modulations. Thus, this study is a conjunction
of wireless and data security which serves the purpose of secret sharing and
can be applicable and suitable to entrepreneurial activities.
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