alexa Secured Power Allocation for Decode and Forward Relay
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Special Issue Article

Secured Power Allocation for Decode and Forward Relay in Wireless Relay Networks

P.Mangayarkarasi1, R.Revathi2, Dr.S.Jayashri3
  1. Assistant Professor, Department of ECE, Adhiparasakthi Engineering College, Melmaruvathur, India
  2. PG Scholar, Department of ECE, Adhiparasakthi Engineering College, Melmaruvathur, India
  3. Professor, Department of ECE, Adhiparasakthi Engineering College, Melmaruvathur, India
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Abstract

In wireless networks, security issues have taken a critical role in today’s communications. In the proposed work, two hop wireless relay network in the presence of an eavesdropper is considered. The interest spans over a four node network model including a source, destination, trusted relay and an untrusted eavesdropper, in which the relay forwards the source message in a decode-and forward manner. When transmitting the messages from source to relay, eavesdropper intercept and try to capture that messages. The destination transmits an artificial jamming noise to the relay, to prevent that eavesdropper interception. This approach is analyzed for different jamming power allocation schemes to minimize the outage probability of the secrecy rate and improve the SNR rate, based on the channel state information available at the destination.

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