activity
20202026
most citedJoint Optimization of Beamforming, Phase-Shifting and Power Allocation in a Multi-cluster IRS-NOMA Network

8 citations · 27 across the 11 of their papers we have counts for

collaborators

11 papers

cs.ET2026

EQE-QAOA: An Equivalence-Preserving Qubit Efficient Framework for Combinatorial Optimization

Xiaoyu Ma, Fang Fang, Ximing Xie +2

The limited number of qubits is a major bottleneck in Quantum Approximate Optimization Algorithm (QAOA) for large-scale combinatorial optimization in the Noisy Intermediate-Scale Q…

eess.SP2026

On Dual-Fed Pinching Antenna Systems with In-Waveguide Attenuation

Ximing Xie, Hao Qin, Fang Fang +1

Pinching antenna systems (PAS) have recently emerged as a promising architecture for flexible and reconfigurable wireless communications. However, their performance is fundamentall…

eess.SP2026

Fairness-Oriented Optimization of NOMA-Enabled Pinching-Antenna Systems Under Blockage and Imperfect CSI

Zhehang Ye, Ximing Xie, Hao Qin +2

The pinching-antenna system (PASS) has been proposed as a promising solution for mitigating line-of-sight (LoS) blockages by dynamically repositioning pinching antennas (PAs) along…

eess.SP2026

Dynamic Antenna Placement for Mobile Users in Urban Micro Pinching-Antenna Systems

Qiushi Zhao, Zihan Feng, Ximing Xie +3

The pinching-antenna systems (PASS) enable blockage mitigation in urban micro (UMi) networks through flexible antenna placement. However, the joint optimization of antenna position…

eess.SP2026

Pinching Antennas in Blockage-Aware Environments: Modeling, Design, and Optimization

Ximing Xie, Fang Fang, Zhiguo Ding +1

Pinching-antenna (PA) systems have recently emerged as a promising member of the flexible-antenna family due to their ability to dynamically establish line-of-sight (LoS) links. Wh…

eess.SP2025

Robust and Secure Transmission for Movable-RIS Assisted ISAC with Imperfect Sense Estimation

Ling Zhuang, Ximing Xie, Fang Fang +2

Reconfigurable intelligent surfaces (RISs) have been extensively applied in integrated sensing and communication (ISAC) systems due to the capability of enhancing physical layer se…

eess.SP2025

A Low-Complexity Placement Design of Pinching-Antenna Systems

Ximing Xie, Fang Fang, Zhiguo Ding +1

Pinching-antenna systems have recently been proposed as a new candidate for flexible-antenna systems, not only inheriting the reconfiguration capability but also offering a unique…

eess.SP2025★ 4 cited

Power-Efficient Optimization for Coexisting Semantic and Bit-Based Users in NOMA Networks

Ximing Xie, Fang Fang, Lan Zhang +1

Semantic communications, which focus on transmitting the semantic meaning of data, have been proposed as a novel paradigm for achieving efficient and relevant communication. Meanwh…

eess.SP2021★ 7 cited

Deep Reinforcement Learning Based Optimization for IRS Based UAV-NOMA Downlink Networks

Shiyu Jiao, Ximing Xie, Zhiguo Ding

This paper investigates the application of deep deterministic policy gradient (DDPG) to intelligent reflecting surface (IRS) based unmanned aerial vehicles (UAV) assisted non-ortho…

eess.SP2021★ 8 cited

A Reinforcement Learning Approach for an IRS-assisted NOMA Network

Ximing Xie, Shiyu Jiao, Zhiguo Ding

This letter investigates a sum rate maximizationproblem in an intelligent reflective surface (IRS) assisted non-orthogonal multiple access (NOMA) downlink network. Specif-ically, t…

eess.SP2020★ 8 cited

Joint Optimization of Beamforming, Phase-Shifting and Power Allocation in a Multi-cluster IRS-NOMA Network

Ximing Xie, Fang Fang, Zhiguo Ding

The combination of non-orthogonal multiple access (NOMA) and intelligent reflecting surface (IRS) is an efficient solution to significantly enhance the energy efficiency of the wir…