Security of OFDM through Steganography

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Provided by: International Journal of Computer Applications
Topic: Security
Format: PDF
Communication through wireless medium is widely used in today's world. Orthogonal Frequency-Division Multiplexing (OFDM) is a multiplexing method in which data transmission is done over the equally spaced, overlapped carrier frequencies. Transmission of data through OFDM has the advantage that it can achieve high data rate with greater bandwidth and flexible underlying modulations. It can easily eliminate Inter-Symbol Interference (ISI). Therefore OFDM has become a leading choice for data transmission. So it becomes important to secure data that is transferred through wireless OFDM communication systems. Different techniques have been used for secure data transmission like cryptography, watermarking, etc.
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