Ding, Yuan, Fusco, Vincent, Zhang, Junqing 
ORCID: 0000-0002-3502-2926 and Wang, Wen-Qin
(2019)
Time-Modulated OFDM Directional Modulation Transmitters.
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 68 (8).
pp. 8249-8253.
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Abstract
In this paper, directional modulation (DM) transmitters, designed for orthogonal frequency-division multiplexing (OFDM) wireless data transfer are proposed using time-modulated arrays. It is shown that by properly designing the switch controlling time sequences the proposed time-modulated OFDM DM systems exhibit promising features, such as 1) requires only one radio frequency chain, 2) the conventional efficientOFDM signal construction approach, i.e., by using inverse fast Fourier transform modules, can be adopted, 3) it is "DM synthesis-free," meaning that there is no need to resynthesize the array excitation vectors for different secure communication directions, different modulation schemes, and differentDM power efficiencies, and 4) the tradeoff between secrecy performance and power efficiency can be flexibly adjusted.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Directional modulation (DM), orthogonal frequency-division multiplexing (OFDM), physical-layer wireless security, time-modulated array (TMA) |
| Depositing User: | Symplectic Admin |
| Date Deposited: | 24 Jun 2019 09:34 |
| Last Modified: | 15 Mar 2024 14:44 |
| DOI: | 10.1109/TVT.2019.2924543 |
| Related URLs: | |
| URI: | https://livrepository.liverpool.ac.uk/id/eprint/3046884 |
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