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๐Ÿ” xingjun ma ๐Ÿ“‚ Engineering
Showing 273 results for "xingjun ma" in Engineering
Engineering Preprint PDF DOI

Array Zooming Optimization for Near-Field Localization With Movable Antennas

Yuxin Duan, Boyu Teng, Xiaojun Yuan, Rui Wang ยท 2026

The emergence of movable antenna (MA) technology provides a promising way to enhance wireless sensing and communication by introducing spatial degrees of freedom through dynamic array reconfiguration.โ€ฆ

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Engineering Preprint PDF DOI

Hybrid Beamforming for Subarray-Level Movable Antenna Enhanced MU-MIMO Communications

Shanshan Zhang, Songjie Yang, Wenxuan Zhang, Youzhi Xiong, Siya Yao ยท 2026

This study investigates subarray-level movable antenna (MA) architecture for multi-user MIMO (MU-MIMO) systems. Unlike conventional systems with fixed-position antennas (FPAs), the proposed scheme harโ€ฆ

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Engineering Preprint PDF DOI

Geometry-Aware Networking for Low-Altitude Economy: Movable Antennas in Space-Air-Ground Integrated Systems

Heyou Liu, Bang Huang, Mohamed-Slim Alouini ยท 2026

Space--air--ground integrated networks (SAGINs) are emerging as a key foundation for future non-terrestrial networks (NTNs) and low-altitude economy services. However, their performance is increasinglโ€ฆ

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Engineering Preprint PDF DOI

Memory Centric Power Allocation for Multi-Agent Embodied Question Answering

Chengyang Li, Shuai Wang, Kejiang Ye, Weijie Yuan, Boyu Zhou, Yik-Chung Wu, Chengzhong Xu, Huseyin Arslan ยท 2026

This paper considers multi-agent embodied question answering (MA-EQA), which aims to query robot teams on what they have seen over a long horizon. In contrast to existing edge resource management methโ€ฆ

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Engineering Preprint PDF DOI

Movable Antenna Optimization for Multi-User MIMO Systems in Realistic Ray-Traced Propagation Environments

Xiaoyi Zhang, Amna Irshad, Emil Bjornson ยท 2026

To meet the growing data traffic demand in future wireless systems, novel transmission architectures capable of adapting to complex propagation environments are required. Movable antenna (MA) systems โ€ฆ

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Engineering Preprint PDF DOI

Flexible Beamforming Design with Hierarchical Rotational 6DMA Systems

Weijia Wang, Changsheng You, Xiaodan Shao, Rui Zhang ยท 2026

Reconfigurable antenna technology, such as movable antennas (MAs) and rotatable antennas (RAs), has emerged as a promising solution to enhance the communication performance of wireless systems by explโ€ฆ

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Engineering Preprint PDF DOI

Joint Shape-Position Optimization Enhanced 2D DOA Estimation in Movable Antenna Systems

Chengzhi Ye, Ruoyu Zhang, Lei Yao, Wen Wu ยท 2026

Movable Antenna (MA) technology is emerging as a promising advancement with the potential to significantly enhance the performance of future wireless communication and sensing systems. In this paper, โ€ฆ

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Engineering Preprint PDF DOI

Joint Prediction of Human Motions and Actions in Human-Robot Collaboration

Alessandra Bulanti, Alessandro Carfi, Fulvio Mastrogiovanni ยท 2026

Fluent human--robot collaboration requires robots to continuously estimate human behaviour and anticipate future intentions. This entails reasoning jointly about \emph{continuous movements} and \emph{โ€ฆ

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Engineering Preprint PDF DOI

Joint Energy Efficiency Optimization for Uplink Multiuser Movable Antenna-Based Wireless Systems Assisted by Movable-Element RIS

Ayda Nodel Hokmabadi, Mohamed Elhattab, Chadi Assi ยท 2026

This paper investigates energy efficiency (EE) optimization for an uplink multiuser system assisted by a movable-element reconfigurable intelligent surface (ME-RIS) and a base station equipped with moโ€ฆ

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Engineering Preprint PDF DOI

Energy-Efficient Velocity Profile Optimization for Movable Antenna-Enabled Sensing Systems

Jiannan Wang, Yuyi Mao, Xianghao Yu, Ying-Jun Angela Zhang ยท 2026

Movable antennas (MAs) enable the reconfiguration of array geometry within a bounded region to exploit sub-wavelength spatial degrees of freedom in wireless communication and sensing systems. However,โ€ฆ

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Engineering Preprint PDF DOI

Movable-Antenna Index Modulation (MA-IM): System Framework and Performance Analysis

Bang Huang, Shunyuan Shang, Mohamed-Slim Alouini ยท 2026

This paper proposes a movable-antenna-based index modulation (MA-IM) framework that exploits the spatial mobility of a single reconfigurable antenna to create additional information-bearing dimensionsโ€ฆ

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Engineering Preprint PDF DOI

Terahertz Beam Squint Mitigation via Six-Dimensional Movable Antennas

Yike Xie, Weidong Mei, Dong Wang, Yingqi Wen, Zhi Chen, Jun Fang, Wei Guo, Boyu Ning ยท 2026

Analog beamforming holds great potential for future terahertz (THz) communications due to its ability to generate high-gain directional beams with low-cost phase shifters. However, conventional analogโ€ฆ

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Engineering Preprint PDF DOI

Performance Evaluation of Movable Antenna Arrays in Wideband Multi-User MIMO Systems

Amna Irshad, Emil Bjornson, Alva Kosasih, Vitaly Petrov ยท 2026

Future wireless networks are expected to support increasingly high data rates and user densities, motivating advanced multi-antenna architectures capable of adapting to dynamic propagation environmentโ€ฆ

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Engineering Preprint PDF DOI

Learning to Jointly Optimize Antenna Positioning and Beamforming for Movable Antenna-Aided Systems

Yikun Wang, Yang Li, Zeyi Ren, Jingreng Lei, Yik-Chung Wu, Rui Zhang ยท 2026

The recently emerged movable antenna (MA) and fluid antenna technologies offer promising solutions to enhance the spatial degrees of freedom in wireless systems by dynamically adjusting the positions โ€ฆ

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Engineering Preprint PDF DOI

MA-VLCM: A Vision Language Critic Model for Value Estimation of Policies in Multi-Agent Team Settings

Shahil Shaik, Aditya Parameshwaran, Anshul Nayak, Jonathon M. Smereka, Yue Wang ยท 2026

Multi-agent reinforcement learning (MARL) commonly relies on a centralized critic to estimate the value function. However, learning such a critic from scratch is highly sample-inefficient and often laโ€ฆ

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Engineering Preprint PDF DOI

Exploiting Near-Field Dynamics with Movable Antennas to Enhance Discrete Transmissive RIS

Marjan Boloori, Chu Li, Aydin Sezgin ยท 2026

The design of low-complexity transceivers is crucial for the deployment of next-generation wireless systems. In this work, we combine two emerging concepts, movable antennas (MA) and transmissive recoโ€ฆ

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Engineering Preprint PDF DOI

MA-CoNav: A Master-Slave Multi-Agent Framework with Hierarchical Collaboration and Dual-Level Reflection for Long-Horizon Embodied VLN

Ling Luo, Qianqian Bai ยท 2026

Vision-Language Navigation (VLN) aims to empower robots with the ability to perform long-horizon navigation in unfamiliar environments based on complex linguistic instructions. Its success critically โ€ฆ

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Engineering Preprint PDF DOI

Pinching Antennas for Multiple Access in Multigroup Multicast Communications

Shan Shan, Chongjun Ouyang, Yong Li, Yuanwei Liu ยท 2026

This paper aims to design multiple access (MA) schemes to improve the max-min fairness (MMF) for pinching antennas (PAs)-based multigroup multicast communications, where PA placement and resource alloโ€ฆ

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Engineering Preprint PDF DOI

A Survey on Reconfigurable and Movable Antennas for Wireless Communications and Sensing

Wenyan Ma, Lipeng Zhu, Yanhua Tan, Beixiong Zheng, Yujie Zhang, Yuchen Zhang, Keke Ying, Zhen Gao, He Sun, Xiaodan Shao, Zhenyu Xiao, Dusit Niyato, Rui Zhang ยท 2026

Reconfigurable antennas (RAs) and movable antennas (MAs) have been recognized as promising technologies to enhance the performance of wireless communication and sensing systems by introducing additionโ€ฆ

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Engineering Preprint PDF DOI

When Movable Antennas Meet RSMA and RIS: Robust Beamforming Design With Channel Uncertainty

Muhammad Asif, Asim Ihsan, Zhongliang Wang, Manzoor Ahmed, Xingwang Li, Arumugam Nallanathan, Symeon Chatzinotas ยท 2026

In this work, we propose an intelligent optimization framework for a multi-user communication system integrating movable antennas (MAs) and a reconfigurable intelligent surface (RIS) under the rate-spโ€ฆ

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