Research on Constellation-Splitting Criterion in Multiple Parameters WFRFT Modulations

Liang, Yuan; Da, Xinyu; Xu, Ruiyang; Ni, Lei; Zhai, Dong; Pan, Yu

doi:10.1109/access.2018.2848918

Cited by 14 publications

(7 citation statements)

References 18 publications

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“…The authors in [33][34] modeled the WFRFT-based wireless PLS cooperation transmission problem as a coalitional game with non-transferable utility. The WFRFT technology with multiple parameters [35] [36] was applied into secure spatial modulation system in [37]. Moreover, the WFRFT technology was also applied into hybrid carrier system in [38]- [41] for wireless PLS transmissions.…”

Section: Introductionmentioning

confidence: 99%

WFRFT-Aided Power-Efficient Multi-Beam Directional Modulation Schemes Based on Frequency Diverse Array

Cheng

Fusco

Zhu

et al. 2019

IEEE Trans. Wireless Commun.

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The artificial noise (AN) aided multi-beam directional modulation (DM) technology is capable of wireless physical layer secure (PLS) transmissions for multiple desired receivers in free space. The application of AN, however, makes it less powerefficient for such a DM system. To address this problem, the weighted fractional Fourier transform (WFRFT) technology is employed in this paper to achieve power-efficient multi-beam DM transmissions. Specifically, a power-efficient multi-beam WFRFT-DM scheme with cooperative receivers and a power-efficient multi-beam WFRFT-DM scheme with independent receivers are proposed based on frequency diverse array (FDA), respectively. The bit error rate (BER), secrecy rate, and robustness of the proposed multi-beam WFRFT-DM schemes are analyzed. Simulations demonstrate that 1) the proposed multi-beam WFRFT-DM schemes are more power-efficient than the conventional multibeam AN-DM scheme; 2) the transmission security can also be guaranteed even if the eavesdroppers are located close to or the same as the desired receivers; and 3) the proposed multi-beam WFRFT-DM schemes are capable of independent transmissions for different desired receivers with different modulations.Index Terms-Physical layer security (PLS), directional modulation (DM), frequency diverse array (FDA), WFRFT, powerefficient, multi-beam.

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Section: Introductionmentioning

confidence: 99%

WFRFT-Aided Power-Efficient Multi-Beam Directional Modulation Schemes Based on Frequency Diverse Array

Cheng

Fusco

Zhu

et al. 2019

IEEE Trans. Wireless Commun.

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“…Further, consider the mathematical relationship between E b /N 0 and P 0 /N 1 , which is shown in formula (14), then the logarithmic E b /N 0 results of the unauthorized receivers are calculated as shown in formula (15), where W is signal bandwidth, R b is the number of bits transmitted per second, and it is also the transmission rate:…”

Section: Performance Analysismentioning

confidence: 99%

“…As a result, the confidentiality performance of unauthorized receivers with a rapid scanning ability is also threatened. Although the modulation order can be extended, from one to many, for example, in multiple parameters WFRFT [13][14][15], or the state function can be extended from four to many, as in MWFRFT [16,17], this will also increase the system complexity. us, to solve the hidden limitation of conventional WFRFT, chaos technology [18,19] is introduced, following which a random modulation order parameter pool is established, so that a WFRFTsecure communication method based on the chaotic parameter pool (CPP) is proposed.…”

Section: Introductionmentioning

confidence: 99%

WFRFT Secure Communication Method Based on Chaotic Parameter Pool

Liu

2019

Mathematical Problems in Engineering

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In this study, to solve the hidden limitation of conventional weighted fractional Fourier transform (WFRFT), a random modulation order parameter pool is established by applying chaos technology. Further, a WFRFT secure communication method based on the chaotic parameter pool (CPP) is proposed. Based on the effective characteristics of tent mapping and the sequence output range, the parameter pool constructor is established by parameter transformation. Furthermore, for each parameter selection period, the information can be processed by WFRFT using different modulation orders. The modeling and simulation demonstrate that this method can significantly increase the bit error rate and processing time of unauthorized receivers. This indicates that it can greatly increase the scanning difficulty of unauthorized users and improve the concealment and security of the original information transmission.

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“…The contributions to physical layer security were promising. Apart from the above-mentioned WFRFT schemes based on a single parameter, the multiparameter WFRFT synthesis approaches have also been investigated intensively [ 33 , 34 ]. The MP-WFRFT system has a good parameter resistance, allowing it to detect in the condition of the eavesdroppers with a known signal transformation mode; in particular, this method can be combined with the existing DM technology, which can further improve the capacity for anti-interception and anti-detection based on the original system confidentiality.…”

Section: Introductionmentioning

confidence: 99%

Spatial Modulation and MP-WFRFT-Aided Multi-Beam Wireless Communication Scheme Based On Random Frequency Diverse Array

Gao

Qiu

Zhou

2020

Sensors

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A security-enhanced, spectral-efficient, and power-efficient multi-beam wireless communication scheme based on random frequency diverse array (RFDA) is proposed in this paper. (AN)-aided directional modulation (DM) schemes. Furthermore, with the aid of spatial modulation (SM) technology and cooperative legitimate users (LUs), we can transmit more information bits by the use of LU number informations than the single modulation symbols. Unlike conventional zero-forcing (ZF) beamforming for multi-beam DM, we design a FDA beamforming vector for each LU based on the minimum transmit power method. Numerical simulations show that (1) the proposed scheme is power-efficient compared to the conventional schemes, (2) the proposed scheme can transmit more information bits than the conventional schemes, and (3) the proposed scheme can ensure communication security when eavesdroppers (Eves) are proximal to LUs or even in same locations.

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Research on Constellation-Splitting Criterion in Multiple Parameters WFRFT Modulations

Cited by 14 publications

References 18 publications

WFRFT-Aided Power-Efficient Multi-Beam Directional Modulation Schemes Based on Frequency Diverse Array

WFRFT-Aided Power-Efficient Multi-Beam Directional Modulation Schemes Based on Frequency Diverse Array

WFRFT Secure Communication Method Based on Chaotic Parameter Pool

Spatial Modulation and MP-WFRFT-Aided Multi-Beam Wireless Communication Scheme Based On Random Frequency Diverse Array

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