Journal of Signal Processing and Wireless Technologies.

Volume1,June 2017,

Topic : Ber Performance of Wireless Communication System using Jscc and Mio Encryption

Authors:Mary Miranda || Jaison Jacob

Abstract:These Most of the communication today occurs through the wireless medium. In such a communication, due to the openness of the network, the transmitted signal may get added with the additive noise present in the channel, which may severely degrade the performance of the communication system. Also, since the transmission of highly confidential messages takes place through wireless networks, security and integrity of the transmitted signal is a challenging issue in such networks. Physical layer security techniques are mainly based on channel characteristics. It has been proved that, using a proper channel coding, can achieve information-theoretic secrecy thereby making the eavesdropper hard to break the encryption, even it has unlimited computing power. This paper combines analog joint source-channel coding (JSCC) followed by multiple inter-symbol obfuscation (MIO) encryption to enhance the security and reduce the bit error rate of wireless communication system. The BER of the proposed method is compared with MIO scheme and the proposed method exhibits a better BER performance than the MIO scheme.

Keywords: JSCC, MIO, Artificial noise approach, Archimedes' spiral

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