A multi-view angle estimation method jointly exploiting the base station (BS) and RIS is developed based on MUSIC and maximum likelihood estimation (MLE), enabling three-dimensional Eve localization, whose accuracy is characterized by the Cramer-Rao lower bound (CRLB).
Jie Li, Ning Wang, Zhen-Dong Li et al.· 0 citations
A sensing-assisted robust secure transmission framework that exploits ISAC sensing to characterize the positioning uncertainty induced by localization errors in Eve's position, which effectively mitigates secrecy performance degradation caused by localization errors in Eve's position.
Jie Li, Zhen-Dong Li, Wen Chen et al.· 0 citations
Integrated sensing and communication (ISAC) is envisioned as a cornerstone technology for next-generation networks, yet it introduces significant security risks in both communication and sensing domains. To mitigate the coverage limitations inherent in conventional mono-static or bi-static setups, this paper proposes a...
Yan Yang, Jian-Wei Zhao, Zhen-Dong Li et al.· 0 citations
Movable antenna (MA) has emerged as a promising technology for future wireless networks by exploiting channel variation over local antenna movement regions. However, accurate and efficient channel acquisition in MA systems remains challenging due to the trade-off between estimation accuracy and computational complexity...
Lin-Chu Chen, Zhen-Dong Li, Zi-Le Zou et al.· 0 citations
This paper investigates sensing parameter estimation for movable antenna (MA) integrated sensing and communication (ISAC) systems under hybrid-field propagation. Specifically, to characterize the coexistence of near-field spherical wavefronts and far-field plane wavefronts, a hybrid-field sensing signal model is first...
Zi-Le Zou, Lin-Chu Chen, Zhen-Dong Li et al.· IEEE International Symposium...· 0 citations
The rapid deployment of broadband low Earth orbit (LEO) constellations provides new opportunities for next-generation navigation. Compared with conventional global navigation satellite systems (GNSS), broadband LEO systems provide stronger received signals, wider bandwidths, rapidly varying satellite geometry, and larg...
Zhen-Dong Li, Min Zhu, Jia-Hao Liu et al.· 0 citations
Movable antenna (MA) technology has recently emerged as a promising paradigm for enhancing the flexibility and performance of wireless systems by allowing antennas to dynamically adjust their spatial positions within a confined region. Meanwhile, integrated sensing and communication (ISAC) has attracted significant att...
Zhen-Dong Li, Zhou Su, Jian-Le Ba et al.· 0 citations
This paper proposes a novel aerial reconfigurable intelligent surface (RIS)-aided secure integrated sensing and communication (ISAC) architecture. An unmanned aerial vehicle (UAV)-mounted RIS establishes virtual line-of-sight links to bypass blockages, serving legitimate users while sensing potential eavesdroppers. To...
Zhen-Dong Li, Ze-Sheng Zhang, Zhou Su et al.· 0 citations
Dynamic environments pose fundamental challenges to integrated sensing and communication (ISAC), particularly due to severe Doppler effects, rapidly time-varying channels, and the intricate coupling between delay and Doppler shifts. Affine frequency-division multiplexing (AFDM), with its inherent capability of characte...
Lin-Chu Chen, Zhen-Dong Li, Zhou Su et al.· 0 citations
Integrated sensing and communication (ISAC) has emerged as a key enabler for sixth-generation (6G) networks, yet its broadcast nature at the physical layer leaves transmissions vulnerable to malicious eavesdropping, particularly when physical blockages degrade direct links. Reconfigurable intelligent surface (RIS) offe...
Zhen-Dong Li, Jin-Yuan Huang, Wei-Chun Zhao et al.· 1 citation
This paper proposes an movable antenna (MA)-enabled secure ISAC system that utilizes the spatial degrees of freedom of MA to mitigate these risks and introduces a gradient-based meta learning (GML) algorithm, which works without pre-training and demonstrates favorable performance.
Zhen-Dong Li, Yujie Zhao, Zhou Su et al.· 0 citations
This article investigates a transmissive reconfigurable intelligent surface (TRIS) transceiver architecture-enabled multigroup multicast downlink communication system. Under this setup, an optimization problem is formulated to maximize the sum of the minimum user rates of all groups, subject to the per-unit transmit po...
Yuan Guo, Wen Chen, Y. Zhu et al.· IEEE Internet of Things Jour...· 0 citations
We use cookies to run the site and, with your consent, for analytics and to show ads.
See our Cookie Policy.