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Multi-carrier based phased antenna array design for directional modulation.
- Source :
-
IET Microwaves, Antennas & Propagation (Wiley-Blackwell) . 2018, Vol. 12 Issue 5, p765-772. 8p. 3 Diagrams, 3 Charts, 4 Graphs. - Publication Year :
- 2018
-
Abstract
- Directional modulation (DM) has been developed based on narrowband antenna arrays, which can form the desired constellation values in the directions of interest while scrambling the values and simultaneously maintaining a magnitude response as low as possible in other directions. In this study, for the first time, the authors develop a multi-carrier based DM framework using antenna arrays, where simultaneous data transmission over multiple frequencies can be achieved, so that a much higher data rate can be obtained. In addition, such a framework allows possible frequency division based multi-user access to the system and also provides the flexibility of using different modulation schemes at different frequencies. Then, they study the antenna location optimisation problem for multi-carrier based DM using a compressive sensing based approach by employing the group sparsity concept. Examples are provided for both the design of weight coefficients and the optimisation of antenna locations. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 17518725
- Volume :
- 12
- Issue :
- 5
- Database :
- Academic Search Index
- Journal :
- IET Microwaves, Antennas & Propagation (Wiley-Blackwell)
- Publication Type :
- Academic Journal
- Accession number :
- 129090042
- Full Text :
- https://doi.org/10.1049/iet-map.2017.0505