Analysis of Security Communication Based on Digital Retrodirective Antenna

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Provided by: Science and Development Network (SciDev.Net)
Topic: Security
Format: PDF
Fast tracking and security are important factor for data transmission in wireless communication. Retro-Directive Antenna (RDA) is possible for the high-speed beam tracking without any priori location information. Therefore, RDA system is appropriate technology in wireless mobile communication. Also, it is possible to improve security by making direction toward the source. In this paper, the authors propose the security communication system based on digital RDA. Simulation results show phase conjugation scheme has better BER performance about 1dB and 3dB at source without signal processing than that of without phase conjugation, when phase delay is 15 degree and 30 degree.
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