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相关论文: Ambiguity Function Analysis and Optimization of Fr…

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Movable antenna (MA) has shown significant potential for improving the performance of integrated sensing and communication (ISAC) systems. In this paper, we model an MA-aided ISAC system operating in a communication full-duplex mono-static…

信息论 · 计算机科学 2025-05-22 Size Peng , Yin Xu , Guanli Yi , Cixiao Zhang , Dazhi He , Wenjun Zhang

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…

信息论 · 计算机科学 2026-04-30 Tianyi Liao , Wei Guo , Jun Qian , Zixin Wang , Shenghui Song , Jun Zhang , Khaled B. Letaief

Movable antennas (MAs) have demonstrated significant potential in enhancing the performance of integrated sensing and communication (ISAC) systems. However, the application in the integrated and cost-effective full-duplex (FD) monostatic…

信息论 · 计算机科学 2025-05-15 Size Peng , Cixiao Zhang , Yin Xu , Qingqing Wu , Lipeng Zhu , Xiaowu Ou , Dazhi He

We consider the movable-antenna (MA) arrayenabled wireless communication with coordinate multi-point (CoMP) reception, where multiple destinations adopt the maximal ratio combination technique to jointly decode the common message sent from…

信息论 · 计算机科学 2024-01-26 Guojie Hu , Qingqing Wu , Jian Ouyang , Kui Xu , Yunlong Cai , Naofal Al-Dhahir

Reconfigurable intelligent surface (RIS) is a promising technology to avoid signal blockage by creating virtual line-of-sight (LOS) connectivity for free-space optical (FSO) and radio frequency (RF) wireless systems. This paper considers a…

信息论 · 计算机科学 2021-08-17 Vinay Kumar Chapala , S. M. Zafaruddin

Integrated sensing and communication (ISAC) represents a pivotal advancement for future wireless networks. This paper introduces a novel ISAC beamforming method for enhancing sensing performance while preserving communication quality by…

信息论 · 计算机科学 2025-03-07 Meihui Liu , Shu Sun , Ruifeng Gao , Meixia Tao

The movable antenna (MA) is a promising technology to exploit more spatial degrees of freedom for enhancing wireless system performance. However, the MA-aided system introduces the non-convex antenna distance constraints, which poses…

信号处理 · 电气工程与系统科学 2024-07-12 Yichen Jin , Qingfeng Lin , Yang Li , Yik-Chung Wu

Ambiguity performance is a critical criterion in radar sensor design, which indicates the ambiguities arising from multiple target estimation and detection. We considered a requirement-driven selection of OFDM reference signal (RS) patterns…

信号处理 · 电气工程与系统科学 2024-04-26 Rui Zhang , Shawn Tsai , Tzu-Han Chou , Jiaying Ren

This letter investigates a symbol-level precoder design for movable antenna (MA)-enhanced dual-functional radar-communication (DFRC) systems. To enhance radar sensing capabilities, we formulate an optimization problem aimed at maximizing…

信号处理 · 电气工程与系统科学 2026-05-28 Ran Yang , Ning Wei , Zheng Dong , Chadi Assi , You Li , Fei Xu , Yue Xiu

Massive multiple input multiple output (MIMO) antenna arrays eventuate a huge amount of circuit costs and computational complexity. To satisfy the needs of high precision and low cost in future green wireless communication, the conventional…

信号处理 · 电气工程与系统科学 2024-05-29 Feng Shu , Baihua Shi , Yiwen Chen , Jiatong Bai , Yifan Li , Tingting Liu , Zhu Han , Xiaohu You

Movable antennas (MA) are a novel technology that allows for the flexible adjustment of antenna positions within a specified region, thereby enhancing the performance of wireless communication systems. In this paper, we explore the use of…

信号处理 · 电气工程与系统科学 2025-11-25 Weijie Xiong , Kai Zhong , Zhiling Xiao , Jingran Lin , Qiang Li

In this paper we consider the problem of full-duplex multiple-input multiple-output (MIMO) relaying between multi-antenna source and destination nodes. The principal difficulty in implementing such a system is that, due to the limited…

信息论 · 计算机科学 2015-06-03 Brian P. Day , Adam R. Margetts , Daniel W. Bliss , Philip Schniter

We analysis the performances for the dual-hop fixed gain amplify-and-forward (AF) relay systems operating over mixed radio-frequency (RF) and free-space optical (FSO) links. The RF link is subject to Rician fading and the FSO link…

信号处理 · 电气工程与系统科学 2017-11-28 Chao Wei , Zaichen Zhang

Affine frequency division multiplexing (AFDM) is a chirp-based multicarrier waveform that was recently proposed for communication over doubly dispersive channels. Given its chirp nature, AFDM is expected to have superior sensing…

信号处理 · 电气工程与系统科学 2025-08-15 Ebrahim Bedeer

Future wireless communication systems are expected to explore spectral bands typically used by radar systems, in order to overcome spectrum congestion of traditional communication bands. Since in many applications radar and communication…

信号处理 · 电气工程与系统科学 2020-08-26 Xiang Liu , Tianyao Huang , Nir Shlezinger , Yimin Liu , Jie Zhou , Yonina C. Eldar

A novel multiuser communication system with movable antennas (MAs) is proposed, where the antenna position optimization is exploited to enhance the downlink sum-rate. The joint optimization of the transmit beamforming vector and transmit MA…

信号处理 · 电气工程与系统科学 2023-09-26 Zhenqiao Cheng , Nanxi Li , Jianchi Zhu , Chongjun Ouyang

Movable antenna (MA) is a promising technology for improving the performance of wireless communication systems by providing new degrees-of-freedom (DoFs) in antenna position optimization. However, existing works on MA systems have mostly…

信号处理 · 电气工程与系统科学 2025-11-20 Liujia Yao , Changsheng You , Chao Zhou , Beixiong Zheng , Weidong Mei

Fluid antenna system (FAS)/movable antenna (MA) has emerged as a promising technology to fully exploit the spatial degrees of freedom (DoFs). In this paper, we propose a new rotatable antenna (RA) model, as a simplified implementation of…

信息论 · 计算机科学 2025-02-28 Qingjie Wu , Beixiong Zheng , Tiantian Ma , Rui Zhang

Cell-free network is a new paradigm, originating from distributed MIMO, that has been investigated for a few recent years as an alternative to the celebrated cellular structure. Future networks not only consider classical data transmission…

信号处理 · 电气工程与系统科学 2024-09-13 Luc Vandendorpe , Laurence Defraigne , Guillaume Thiran , Thomas Pairon , Christophe Craeye

Future wireless networks must provide ever higher data rates. The available bandwidth increases roughly linearly as we increase the carrier frequency, but the range shrinks drastically. This paper explores if we can instead reach massive…

信号处理 · 电气工程与系统科学 2024-12-02 Amna Irshad , Alva Kosasih , Emil Björnson , Luca Sanguinetti