Directional Modulation Signal Synthesis Algorithm Based on the Phase Beam-forming

HONG Tao

doi:10.11999/JEIT150463

Volume 38 Issue 4

Apr. 2016

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Article Navigation > Journal of Electronics & Information Technology > 2016 > 38(4): 870-876

HONG Tao. Directional Modulation Signal Synthesis Algorithm Based on the Phase Beam-forming[J]. Journal of Electronics & Information Technology, 2016, 38(4): 870-876. doi: 10.11999/JEIT150463

Citation:

HONG Tao. Directional Modulation Signal Synthesis Algorithm Based on the Phase Beam-forming[J]. Journal of Electronics & Information Technology, 2016, 38(4): 870-876. doi: 10.11999/JEIT150463

HONG Tao. Directional Modulation Signal Synthesis Algorithm Based on the Phase Beam-forming[J]. Journal of Electronics & Information Technology, 2016, 38(4): 870-876. doi: 10.11999/JEIT150463

Citation:

HONG Tao. Directional Modulation Signal Synthesis Algorithm Based on the Phase Beam-forming[J]. Journal of Electronics & Information Technology, 2016, 38(4): 870-876. doi: 10.11999/JEIT150463

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Directional Modulation Signal Synthesis Algorithm Based on the Phase Beam-forming

doi: 10.11999/JEIT150463

HONG Tao¹

Funds:

The National Natural Science Foundation of China (61302102, 61271232), The Scientific Research Foundation of the Higher Education Institutions of Jiangsu Province (13KJB510023), The National Science Foundation for Post- doctoral Scientists of China (2013M531390)

Received Date: 2015-04-22
Rev Recd Date: 2016-01-18
Publish Date: 2016-04-19

Abstract

Abstract

Directional Modulation (DM) technique is a hot research area for physical layer security communication in recent years. The baseband modulation signal is synthesized at the antenna level for transmitting different signal constellations at different directions. The genetic algorithm and vector method are the main synthesis algorithms for DM signal. However, these algorithms have some limitations for different communication models because of different research targets of these papers. In this paper, a DM signal synthesis algorithm based on phase beam-forming technique is proposed from the point view of that receive signal constellation of DM signal is scrambled at the undesired directions. First the phase beam function is set up for different communication models. Then the weighted values for array elements are obtained by the spatial Fourier transformation of the radiation pattern. Simulation results show that the proposed DM signal synthesis algorithm provides technological support for different communication models such as single user channel with pencil phase beam, broadcast channel with fanned phase beam and multi-access channel with orthogonal phase beam.
- Wireless communication,
- Physical layer security,
- Directional Modulation (DM),
- Spatial Fourier transformation

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References(22)

References

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