8 papers
Secure Directional Modulation Enabled by Elevatable and Rotatable Antenna Array for Maritime Communications
Maolin Li, Haini Wu, Feng Shu +3
To address the dual challenges of limited transmission distance and wireless communication security in maritime communications, a directional modulation network enhanced by an elev…
Secure Relay Low-Altitude Networks via Hybrid Fixed-Position and Rotatable Antenna Arrays
Maolin Li, Qi Zhang, Minghao Chen +6
In this paper, a relay network with hybrid fixed-position and rotatable antenna arrays is proposed. The deployment of rotatable arrays in conventional relay networks is considered…
Near-Field Directional Modulation for RIS-Aided Movable Antenna MIMO Systems with Hardware Impairments
Maolin Li, Feng Shu, Riqing Chen +2
Movable antennas (MAs) are a promising technology to achieve a significant enhancement in rate for future wireless networks. The pioneering investigation on near-field directional…
Secure Directional Modulation with Movable Antenna Array Aided by RIS
Maolin Li, Jingdie Xin, Feng Shu +3
In this paper, to fully exploit the performance gains from moveable antennas (MAs) and reconfigurable intelligent surface (RIS), a RIS-aided directional modulation \textcolor{blue}…
Multi-modal Iterative and Deep Fusion Frameworks for Enhanced Passive DOA Sensing via a Green Massive H2AD MIMO Receiver
Jiatong Bai, Minghao Chen, Wankai Tang +4
Most existing DOA estimation methods assume ideal source incident angles with minimal noise. Moreover, directly using pre-estimated angles to calculate weighted coefficients can le…
Which Channel in 6G, Low-rank or Full-rank, more needs RIS from a Perspective of DoF?
Yongqiang Li, Feng Shu, Maolin Li +6
Reconfigurable intelligent surface (RIS), as an efficient tool to improve receive signal-to-noise ratio, extend coverage and create more spatial diversity, is viewed as a most prom…
Direction Modulation Design for UAV Assisted by IRS with discrete phase shift
Maolin Li, Wei Gao, Qi Wu +3
As a physical layer security technology, directional modulation (DM) can be combined with intelligent reflect-ing surface (IRS) to improve the security of drone communications. In…
Machine Learning-based Near-field Emitter Location Sensing via Grouped Hybrid Analog and Digital XL-MIMO Receive Array
Jiatong Bai, Yifan Li, Feng Shu +5
As a green MIMO structure, the partially-connected hybrid analog and digital (PC-HAD) structure has been widely used in the far-field (FF) scenario for it can significantly reduce…