中文
相关论文

相关论文: Joint Beamforming and Antenna Position Optimizatio…

200 篇论文

Movable antenna (MA) has been recently proposed as a promising candidate technology for the next generation wireless communication systems due to its significant capability of reconfiguring wireless channels via antenna movement. In this…

信号处理 · 电气工程与系统科学 2025-01-17 Nianzu Li , Peiran Wu , Boyu Ning , Lipeng Zhu

Movable antennas (MAs), traditionally explored in antenna design, have recently garnered significant attention in wireless communications due to their ability to dynamically adjust the antenna positions to changes in the propagation…

信号处理 · 电气工程与系统科学 2024-08-09 Boyu Ning , Songjie Yang , Yafei Wu , Peilan Wang , Weidong Mei , Chau Yuen , Emil Björnson

Movable antenna (MA) systems have attracted growing interest in wireless communications due to their ability to reshape wireless channels via local antenna movement within a confined region. However, optimizing antenna positions to enhance…

信号处理 · 电气工程与系统科学 2025-09-26 Changhao Liu , Weidong Mei , Zhi Chen , Jun Fang , Boyu Ning

In this letter, we propose to employ movable antenna (MA) to enhance covert communications with noise uncertainty, where the confidential data is transmitted from an MA-aided access point (AP) to multiple users with a warden attempting to…

信号处理 · 电气工程与系统科学 2025-04-29 Haobin Mao , Xiangyu Pi , Lipeng Zhu , Zhenyu Xiao , Xiang-Gen Xia , Rui Zhang

In conventional artificial noise (AN)-aided physical-layer security systems, fixed-position antenna (FPA) arrays exhibit inherent vulnerability to coverage gaps due to their static spatial configuration. Adversarial eavesdroppers can…

信息论 · 计算机科学 2025-07-09 Kan Yu , Wenxu Wang , Xiaowu Liu , Yujia Zhao , Qixun Zhang , Zhiyong Feng , Dong Li

Unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC) is regarded as a key enabler for next-generation wireless systems. However, conventional fixed-position antennas limit the ability of UAVs to fully exploit…

信息论 · 计算机科学 2026-03-20 Wenchao Liu , Xuhui Zhang , Jinke Ren , Weijie Yuan , Changsheng You , Shuangyang Li

Six-dimensional movable antenna (6DMA) technology has been proposed to enhance the performance of Integrated Sensing and Communication (ISAC) systems. However, within 6DMA-related research, studies on the ISAC system based on rotatable…

新兴技术 · 计算机科学 2025-09-16 Zequan Wang , Liang Yin , Zimeng Lei , Yitong Liu , Yunan Sun , Hongwen Yang

Spatially structured beams have emerged as a promising technology for enhancing spectrum efficiency (SE) in sixth-generation (6G) networks. However, structured beam schemes based on fixed-position antennas (FPAs) fail to fully exploit the…

信号处理 · 电气工程与系统科学 2026-02-10 Hongyun Jin , Wenchi Cheng , Jingqing Wang

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…

信号处理 · 电气工程与系统科学 2025-06-16 Nianzu Li , Peiran Wu , Lipeng Zhu , Derrick Wing Kwan Ng

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted non-orthogonal multiple access (NOMA) communication systems are investigated in its vicinity, where a STAR-RIS is deployed within a predefined…

信号处理 · 电气工程与系统科学 2022-06-28 Qiling Gao , Yuanwei Liu , Xidong Mu , Min Jia , Dongbo Li , Lajos Hanzo

Pinching-antenna systems (PASS) have been recently proposed to improve the performance of wireless networks by reconfiguring both the large-scale and small-scale channel conditions. However, existing studies ignore the physical constraints…

信号处理 · 电气工程与系统科学 2025-07-04 Yiming Xu , Dongfang Xu , Xianghao Yu , Shenghui Song , Zhiguo Ding , Robert Schober

Integrated sensing and communication (ISAC) is a key technology for future 6G networks. Most existing studies focus on monostatic and/or bistatic setups with limited coverage and capabilities. Networked ISAC systems with distributed base…

信号处理 · 电气工程与系统科学 2025-10-14 Yuan Guo , Wen Chen , Qingqing Wu , Yang Liu , Qiong Wu , Kunlun Wang , Jun Li , Lexi Xu

This study investigates a downlink rate-splitting multiple access (RSMA) scenario in which multiple base stations (BSs), employing a coordinated multi-point (CoMP) transmission scheme, serve users equipped with movable antenna (MA)…

信号处理 · 电气工程与系统科学 2025-02-25 Ali Amhaz , Shreya Khisa , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine

Conventional beamforming with fixed-position antenna (FPA) arrays has a fundamental trade-off between maximizing the signal power (array gain) over a desired direction and simultaneously minimizing the interference power over undesired…

信息论 · 计算机科学 2024-03-26 Lipeng Zhu , Wenyan Ma , Rui Zhang

Integrated sensing and communication (ISAC) has been envisioned to play a more important role in future wireless networks. However, the design of ISAC networks is challenging, especially when there are multiple communication and sensing…

信息论 · 计算机科学 2025-06-09 Haoyun Li , Ming Xiao , Kezhi Wang , Robert Schober , Dong In Kim , Yong Liang Guan

Reconfigurable intelligent surfaces (RISs) are envisioned to be a disruptive wireless communication technique that is capable of reconfiguring the wireless propagation environment. In this paper, we study a free-space RIS-assisted…

信息论 · 计算机科学 2022-09-19 Xin Cheng , Yan Lin , Weiping Shi , Jiayu Li , Cunhua Pan , Feng Shu , Yongpeng Wu , Jiangzhou Wang

A pinching antenna system (PASS) assisted cognitive radio (CR) system is proposed. A secondary system sum rate maximization problem is formulated by jointly considering the base station (BS) power budget, the pinching antenna (PA)…

信号处理 · 电气工程与系统科学 2026-05-05 Haochen Li , Ruikang Zhong , Zhaoming Hu , Zheng Zhang , Yaoyue Hu , Chao Dong

Communication at millimeter wave (mmWave) bands is expected to become a key ingredient of next generation (5G) wireless networks. Effective mmWave communications require fast and reliable methods for beamforming at both the User Equipment…

信息论 · 计算机科学 2018-06-19 Xiaoshen Song , Saeid Haghighatshoar , Giuseppe Caire

Integrated sensing and communications (ISAC) is an emerging critical technique for the next generation of communication systems. However, due to multiple performance metrics used for communication and sensing, the limited degrees-of-freedom…

信号处理 · 电气工程与系统科学 2024-01-26 Yongqing Xu , Yong Li , J. Andrew Zhang , Marco Di Renzo , Tony Q. S. Quek

With the evolution of mobile communication systems toward large-scale arrays, high-frequency operation, and reconfigurable antenna architectures, fluid antenna systems (FAS) operating in the near-field (NF) regime provide new degrees of…

信息论 · 计算机科学 2026-05-12 Peng Zhang , Jian Dang , Miaowen Wen , Ziyang Liu , Chen Zhao , Huaifeng Shi , Chengsheng Pan , Zaichen Zhang