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Communication is an effective mechanism for coordinating the behaviors of multiple agents, broadening their views of the environment, and to support their collaborations. In the field of multi-agent deep reinforcement learning (MADRL),…

Multiagent Systems · Computer Science 2024-10-21 Changxi Zhu , Mehdi Dastani , Shihan Wang

A distributed antenna system is studied whose goal is to provide data communication and positioning functionalities to Mobile Stations (MSs). Each MS receives data from a number of Base Stations (BSs), and uses the received signal not only…

Information Theory · Computer Science 2014-04-30 Seongah Jeong , Osvaldo Simeone , Alexander Haimovich , Joonhyuk Kang

In this paper, we introduce movable antenna (MA) technology into orthogonal time frequency space (OTFS) systems to enable wavelength-level antenna position optimization under imperfect channel state information (CSI), thereby mitigating…

Information Theory · Computer Science 2026-04-28 Maoyuan Wang , Qian Zhang , Yufei Zhao , Xuejun Cheng , Zheng Dong , Deqiang Wang , Yong Liang Guan

Movable-antennas (MAs) are revolutionizing spatial signal processing by providing flexible beamforming in next-generation wireless systems. This paper investigates an MA-empowered autonomous aerial vehicle (AAV) system in low-altitude…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Xuhui Zhang , Wenchao Liu , Jinke Ren , Chunjie Wang , Huijun Xing , Yanyan Shen , Shuguang Cui

The rise of microgrid-based architectures is heavily modifying the energy control landscape in distribution systems making distributed control mechanisms necessary to ensure reliable power system operations. In this paper, we propose the…

Systems and Control · Electrical Eng. & Systems 2020-10-14 Sergio Rozada , Dimitra Apostolopoulou , Eduardo Alonso

We consider a distributed learning problem in a wireless network, consisting of N distributed edge devices and a parameter server (PS). The objective function is a sum of the edge devices' local loss functions, who aim to train a shared…

Machine Learning · Computer Science 2021-10-11 Raz Paul , Yuval Friedman , Kobi Cohen

Movable antenna (MA) has gained increasing attention in the field of wireless communications due to its exceptional capability to proactively reconfigure wireless channels via localized antenna movements. In this paper, we investigate the…

Signal Processing · Electrical Eng. & Systems 2025-06-16 Nianzu Li , Peiran Wu , Lipeng Zhu , Derrick Wing Kwan Ng

The accelerating advancement of intelligent transportation systems has established consumer-oriented vehicular networks (CVNs) as a critical infrastructure for next-generation connected mobility. However, the high mobility of vehicular…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Xuhui Zhang , Chunjie Wang , Wenchao Liu , Huijun Xing , Jinke Ren , Zheng Xing , Yanyan Shen

MIMO technology has enabled spatial multiple access and has provided a higher system spectral efficiency (SE). However, this technology has some drawbacks, such as the high number of RF chains that increases complexity in the system. One of…

Signal Processing · Electrical Eng. & Systems 2022-11-28 Yasaman Abdollahian , Ehsan Tohidi , Martin Kasparick , Li Wang , Ahmet Hasim Gokceoglu , Slawomir Stanczak

Recently, movable antennas (MAs) have garnered immense attention due to their capability to favorably alter channel conditions through agile movement. In this letter, we delve into a spectrum sharing system enabled by unmanned aerial…

Numerical Analysis · Mathematics 2026-01-06 Xiao-Wei Tang , Yunmei Shi , Yi Huang , Qingqing Wu

Existing integrated sensing and communication (ISAC) beamforming design were mostly designed under perfect instantaneous channel state information (CSI), limiting their use in practical dynamic environments. In this paper, we study the…

Signal Processing · Electrical Eng. & Systems 2025-06-18 Shanfeng Xu , Yanshuo Cheng , Siqiang Wang , Xinyi Wang , Zhong Zheng , Zesong Fei

Movable antennas (MAs) have demonstrated significant potential in enhancing the performance of dual-functional radar-communication (DFRC) systems. In this paper, we explore an MA-aided DFRC system that utilizes a reconfigurable intelligent…

Signal Processing · Electrical Eng. & Systems 2026-02-02 Ran Yang , Zheng Dong , Yue Xiu , Guangyi Liu , Wanting Lyu , Xiangxin Meng , Yan Li , Ning Wei

Movable antennas (MAs) have received increasing attention in wireless communications due to their capability of antenna position adjustment to reconfigure wireless channels. However, moving MAs results in non-negligible delay, which may…

Systems and Control · Electrical Eng. & Systems 2025-09-18 Qingliang Li , Weidong Mei , Boyu Ning , Rui Zhang

In this paper, we investigate a multiuser distributed antenna system with simultaneous wireless information and power transmission under the assumption of imperfect channel state information (CSI). In this system, a distributed antenna port…

Information Theory · Computer Science 2019-03-27 Zhengyu Zhu , Sai Huang , Zheng Chu , Fuhui Zhou , Di Zhang , Inkyu Lee

Movable antennas (MAs) have attracted growing interest for their ability to improve channel conditions via adaptive antenna movement. Nevertheless, such movement inevitably introduces mutual coupling (MC), whose impact has been largely…

Information Theory · Computer Science 2026-04-30 Tianyi Liao , Wei Guo , Jun Qian , Zixin Wang , Shenghui Song , Jun Zhang , Khaled B. Letaief

The development of urban-air-mobility (UAM) is rapidly progressing with spurs, and the demand for efficient transportation management systems is a rising need due to the multifaceted environmental uncertainties. Thus, this paper proposes a…

Multiagent Systems · Computer Science 2023-06-08 Chanyoung Park , Gyu Seon Kim , Soohyun Park , Soyi Jung , Joongheon Kim

Integrated sensing and communication (ISAC) is considered to be a promising technology for future wireless systems due to its ability to provide communication and sensing services using shared hardware and spectrum resources. Moreover, the…

Information Theory · Computer Science 2026-05-19 Nemanja Stefan Perović , Keshav Singh , Chih-Peng Li

Many cooperative multi-agent problems require agents to learn individual tasks while contributing to the collective success of the group. This is a challenging task for current state-of-the-art multi-agent reinforcement algorithms that are…

Multiagent Systems · Computer Science 2020-03-25 Hassam Ullah Sheikh , Ladislau Bölöni

With the high development of wireless communication techniques, it is widely used in various fields for convenient and efficient data transmission. Different from commonly used assumption of the time-invariant wireless channel, we focus on…

Information Theory · Computer Science 2020-11-10 Mengfan Liu , Rui Wang

Movable antenna (MA) technology offers a flexible approach to enhancing wireless channel conditions by adjusting antenna positions within a designated region. While most existing works focus on narrowband MA systems, this paper investigates…

Signal Processing · Electrical Eng. & Systems 2025-10-03 Ruixi Feng , Weidong Mei , Lele Lu , Xin Wei , Zhi Chen , Zhen Gao , Boyu Ning