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In conventional multiple-input multiple-output (MIMO) communication systems, the positions of antennas are fixed. To take full advantage of spatial degrees of freedom, a new technology called fluid antenna (FA) is proposed to obtain higher…

信息论 · 计算机科学 2024-01-10 Yuqi Ye , Li You , Jue Wang , Hao Xu , Kai-Kit Wong , Xiqi Gao

Multi-frequency massive multi-input multi-output (MIMO) communication is a promising strategy for both 5G and future 6G systems, ensuring reliable transmission while enhancing frequency resource utilization. Statistical channel state…

信号处理 · 电气工程与系统科学 2025-11-25 Jinke Tang , Li You , Xinrui Gong , Chenjie Xie , Xiqi Gao , Xiang-Gen Xia , Xueyuan Shi

Establishing and maintaining 5G mmWave vehicular connectivity poses a significant challenge due to high user mobility that necessitates frequent triggering of beam switching procedures. Departing from reactive beam switching based on the…

信号处理 · 电气工程与系统科学 2024-10-04 Abidemi Orimogunje , Vukan Ninkovic , Evariste Twahirwa , Gaspard Gashema , Dejan Vukobratovic

The reconfigurable intelligent surface (RIS) with low hardware cost and energy consumption has been recognized as a potential technique for future 6G communications to enhance coverage and capacity. To achieve this goal, accurate channel…

信息论 · 计算机科学 2021-01-26 Xiuhong Wei , Decai Shen , Linglong Dai

Deploying six-dimensional movable antenna (6DMA) systems in Internet-of-Vehicles (IoV) scenarios can greatly enhance spectral efficiency. However, the high mobility of vehicles causes rapid spatio-temporal channel variations, posing a…

网络与互联网体系结构 · 计算机科学 2026-03-26 Maoxin Ji , Qiong Wu , Pingyi Fan , Kezhi Wang , Wen Chen , Khaled B. Letaief

Movable antennas (MAs) represent a promising paradigm to enhance the spatial degrees of freedom of conventional multi-antenna systems by dynamically adapting the positions of antenna elements within a designated transmit area. In…

信号处理 · 电气工程与系统科学 2025-07-18 Yifei Wu , Dongfang Xu , Derrick Wing Kwan Ng , Wolfgang Gerstacker , Robert Schober

In high-speed railway (HSR) communication systems, distributed antenna is usually employed to support frequent handover and enhance the signal to noise ratio to user equipments. In this case, dynamic time-domain power allocation and antenna…

信息论 · 计算机科学 2017-03-24 Jiaxun Lu , Ke Xiong , Xuhong Chen , Pingyi Fan

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 additional degrees of freedom (DoFs) in tuning…

信号处理 · 电气工程与系统科学 2026-02-23 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

Wireless communications for status update are becoming increasingly important, especially for machine-type control applications. Existing work has been mainly focused on Age of Information (AoI) optimizations. In this paper, a status-aware…

信息论 · 计算机科学 2020-02-05 Zhiyuan Jiang , Zixu Cao , Siyu Fu , Fei Peng , Shan Cao , Shunqing Zhang , Shugong Xu

Integrated sensing and communication (ISAC) has been recognized as a key technology in sixth-generation wireless networks, and the additional spatial degrees of freedom obtained by movable antenna (MA) technology can significantly improve…

信号处理 · 电气工程与系统科学 2025-12-05 Luyang Sun , Zhiqing Wei , Haotian Liu , Kan Yu , Zhendong Li , Zhiyong Feng

A pinching antennas (PAs)-aided integrated sensing and multicast communication framework is proposed. In this framework, the communication performance is measured by the multicast rate considering max-min fairness. Moreover, the sensing…

信号处理 · 电气工程与系统科学 2026-02-19 Shan Shan , Chongjun Ouyang , Xiaohang Yang , Yong Li , Zhiqin Wang , Yuanwei Liu

Integrated sensing, communication, and control (ISCC) has emerged as a key enabler for low-altitude wireless networks with enhanced adaptability through resource allocation co-design and intelligent environment awareness. However, dynamic…

信息论 · 计算机科学 2025-08-12 Yike Wang , Zhike Wu , Jiang Chen , Chunjie Wang , Xuhui Zhang , Yanyan Shen

The exploitation of vehicles as mobile sensors acts as a catalyst for novel crowdsensing-based applications such as intelligent traffic control and distributed weather forecast. However, the massive increases in Machine-type Communication…

网络与互联网体系结构 · 计算机科学 2019-08-06 Benjamin Sliwa , Robert Falkenberg , Thomas Liebig , Nico Piatkowski , Christian Wietfeld

The real world scenario has changed from the wired connection to wireless connection.Over the years software, development has responded to the increasing growth of wireless connectivity in developing network enabled software.The problem…

网络与互联网体系结构 · 计算机科学 2012-09-25 Soumen Kanrar

The emerging pinching antenna (PA) technology has high flexibility to reconfigure wireless channels and combat line-of-sight blockage, thus holding transformative potential for indoor immersive applications in 6G. This paper investigates…

性能 · 计算机科学 2025-06-10 Yulei Wang , Yalin Liu , Yaru Fu , Zhiguo Ding

The performance characterization of communication systems assisted by large reconfigurable intelligent surfaces (RISs) significantly depends on the adopted models for the underlying channels. Under unrealistic channel models, the system…

信号处理 · 电气工程与系统科学 2023-01-18 Vahid Jamali , Walid Ghanem , Robert Schober , H. Vincent Poor

Intelligent reflecting surface (IRS) has emerged as a promising technique to control wireless propagation environment for enhancing the communication performance cost-effectively. However, the rapidly time-varying channel in high-mobility…

信息论 · 计算机科学 2023-02-16 Zixuan Huang , Beixiong Zheng , Rui Zhang

Next-generation networks require intelligent and robust channel conditions to support ultra-high data rates, seamless connectivity, and large-scale device deployments in dynamic environments. While flexible antenna technologies such as…

信号处理 · 电气工程与系统科学 2025-09-03 Enzhi Zhou , Yue Xiao , Ziyue Liu , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , George K. Karagiannidis

The fifth-generation (5G) network faces limitations in supporting emerging applications, such as artificial intelligence (AI), virtual reality (VR) and digital twins. To overcome these confines, sub-Terahertz (sub-THz) and Terahertz (THz)…

网络与互联网体系结构 · 计算机科学 2025-05-21 Jun Yan Lee , Duo Wu , Xuanrui Guo , Jian Ding Tan , Teh Jia Yew , Zi Neng Ng , Mohammad Arif Sobhan Bhuiyan , Mahdi H. Miraz

Vehicular communication is an important application of the fifth generation of mobile communication systems (5G). Due to its low cost and energy efficiency, intelligent reflecting surface (IRS) has been envisioned as a promising technique…

信号处理 · 电气工程与系统科学 2020-04-21 Jue Wang , Wence Zhang , Xu Bao , Tiecheng Song , Cunhua Pan