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Journal of Applied Sciences

Year: 2014 | Volume: 14 | Issue: 16 | Page No.: 1836-1843
DOI: 10.3923/jas.2014.1836.1843

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Authors


Padmapriya Praveenkumar

Country: India

Rengarajan Amirtharajan

Country: India

R. Sai Janani

Country: India

K. Thenmozhi

Country: India

J.B.B. Rayappan

Country: India

Keywords


  • Adaptive modulation
  • BER
  • FEC
  • information hiding
  • steganography
  • OFDM
Research Article

Multi (Carrier+Modulator) Adaptive System-an Anti Fading Stego Approach

Padmapriya Praveenkumar, Rengarajan Amirtharajan, R. Sai Janani, K. Thenmozhi and J.B.B. Rayappan
There are numerous criteria in running an enterprise. Apart from trading goods and services, or may be both to clients, emphasis should be laid on maintaining the business model that comprises of maintenance of intellectual properties and decisive testimonials as well. In this regard, up to date technological proficiencies be of great assist as everything is now digital and online. Though sound different, technology and administrative terms go hand in hand. Of all one domain that catch the attention instantly is secret sharing and secret communication. This study is one such work. Digital multimedia applications, coming into the limelight in the recent years have impacted the bandwidth requirements and caused an ever soaring demand for broadband wireless application. On the other hand, wireless communication that uses fixed modulation fails to satisfy the needs as its efficiency is stultified by the fading channels. This stydy proposes the adaptive modulation scheme in OFDM (Orthogonal Frequency Division Multiplexing) system to counteract fading in the transmission power and the transfer function of frequency selective channel. The prime aim is to maximise the total capacity and transmit power without vitiating the quality of service at the receiver. It can be achieved by making the system smart and subsume some intelligence into it. We make the system adapt itself to the channel conditions and choose the well-suited service at that instant. Simulation results have made it clear that adaptive modulation in OFDM system offers the choice of modulation and FEC (Forward Error Control Codes) with variable rates. The essence of adaptation is maintained even while embedding in wireless transmission to serve the security purposes. Bit Error Rate (BER) graph plotted prior to embedding is analyzed and compared with the one plotted for embedded data.
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How to cite this article

Padmapriya Praveenkumar, Rengarajan Amirtharajan, R. Sai Janani, K. Thenmozhi and J.B.B. Rayappan, 2014. Multi (Carrier+Modulator) Adaptive System-an Anti Fading Stego Approach. Journal of Applied Sciences, 14: 1836-1843.

DOI: 10.3923/jas.2014.1836.1843

URL: https://scialert.net/abstract/?doi=jas.2014.1836.1843

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