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Orbital angular momentum (OAM), providing the orthogonality among different OAM modes, has attracted much attention to significantly increase spectrum efficiencies (SEs) and enhance the anti-jamming results of wireless communications.…

信号处理 · 电气工程与系统科学 2024-07-30 Kexin Zheng , Wenchi Cheng , Liping Liang

Pinching antenna systems (PASS) enable reconfigurable radiating elements and extended line-of-sight communication, mitigating path loss effects. However, existing designs lack fully controllable radiation weights, as they are governed by…

信息论 · 计算机科学 2026-05-27 Askin Altinoklu , Leila Musavian

Collective decays of multiply-excited atoms become subradiant and bound in space when they are strongly coupled to the guided modes in an atom-waveguide interface. In this interface, we analyze their average density-density and modified…

量子物理 · 物理学 2021-06-29 H. H. Jen

Orbital angular momentum (OAM), which is considered as a novel way to achieve high capacity, has been attracted much attention recently. OAM signals emitted by uniform circular array (UCA) are widely regarded to go through the Bessel-form…

信息论 · 计算机科学 2024-09-02 Haiyue Jing , Wenchi Cheng , Wei Zhang , Hailin Zhang

We demonstrate a convenient approach for simultaneously manipulating the amplitude and polarization of light beams by means of the modulation of the correlation structure. As an illustration, we constructed a periodic correlation structure…

光学 · 物理学 2016-11-23 Shijun Zhu , Jing Wang , Zhenhua Li

In the development of wireless communication technology, multiple-input multiple-output (MIMO) technology has emerged as a key enabler, significantly enhancing the capacity of communication systems. However, traditional MIMO systems, which…

信号处理 · 电气工程与系统科学 2025-03-17 Ruojing Zhao , Yifei Xu , Songjie Yang , Hua Chen , Chadi Assi

We demonstrate that interacting spasers arranged in a 2D array of arbitrary size can be mutually synchronized allowing them to supperradiate. For arrays smaller than the free space wavelength, the total radiated power is proportional to the…

介观与纳米尺度物理 · 物理学 2016-12-21 A. V. Dorofeenko , A. A. Zyablovsky , A. P. Vinogradov , E. A. Andrianov , A. A. Pukhov , A. A. Lisyansky

Structured light, optical fields engineered in their spatial, polarization, or phase degrees of freedom, has become a key resource across advanced communication, sensing, imaging, and quantum technologies. Optical fibers nowadays play an…

Characterizing the angular radiation behavior of installed millimeter-wave (mmWave) radar modules is increasingly important in practical sensing platforms, where packaging, mounting hardware, and nearby structures can significantly alter…

机器人学 · 计算机科学 2026-02-16 Maaz Qureshi , Mohammad Omid Bagheri , William Melek , George Shaker

The surge of massive antenna arrays in wireless networks calls for the adoption of analog/hybrid array solutions, where multiple antenna elements are driven by a common radio front end to form a beam along a specific angle in order to…

信号处理 · 电气工程与系统科学 2024-10-28 Silvio Mandelli , Marcus Henninger , Jinfeng Du

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

Integrated sensing and communication (ISAC) has been regarded as one of the most promising technologies for future wireless communications. However, the mutual interference in the communication radar coexistence system cannot be ignored.…

信息论 · 计算机科学 2022-01-20 Yinghui He , Yunlong Cai , Hao Mao , Guanding Yu

Gbps wireless transmission over long distance at high frequency bands has great potential for 5G and beyond, as long as high beamforming gain could be delivered at affordable cost to combat the severe path loss. With limited number of RF…

信息论 · 计算机科学 2019-10-25 Jinfeng Du , Marcin Rybakowski , Kamil Bechta , Reinaldo A. Valenzuela

In this paper, we investigate the movable antennas (MAs)-enabled multiple-input-single-output (MISO) systems, where the base station (BS) equipped with multiple MAs serves multiple single-antenna user. The delay-sensitive scenario is…

信息论 · 计算机科学 2025-10-20 Guojie Hu , Qingqing Wu , Ming-Min Zhao , Wen Chen , Zhenyu Xiao , Kui Xu , Jiangbo Si

In this paper, we propose to leverage rotatable antennas (RAs) for improving the communication performance in mixed near-field and far-field communication systems by exploiting a new spatial degree-of-freedom (DoF) offered by antenna…

信号处理 · 电气工程与系统科学 2025-11-26 Yunpu Zhang , Changsheng You , Hing Cheung So , Dusit Niyato , Yonina C. Eldar

This paper investigates the efficacy of utilizing fluid antenna system (FAS) at a legitimate monitor to oversee suspicious communication. The monitor switches the antenna position to minimize its outage probability for enhancing the…

信号处理 · 电气工程与系统科学 2023-10-12 Junteng Yao , Tuo Wu , Xiazhi Lai , Ming Jin , Cunhua Pan , Maged Elkashlan , Kai-Kit Wong

The creation of nanoscale lasers that operate above a coherent threshold is a challenging problem. We propose a way to circumvent this issue using systems in which a strong coupling regime is achieved between the light and the active…

光学 · 物理学 2021-10-20 Ilya V. Doronin , Alexander A. Zyablovsky , Evgeny S. Andrianov

A novel stochastic geometry framework is proposed in this paper to study the downlink coverage performance in a millimeter wave (mmWave) cellular network by jointly considering the polar coordinates of the Base Stations (BSs) with respect…

信息论 · 计算机科学 2024-04-04 Harris K. Armeniakos , Athanasios G. Kanatas , Harpreet S. Dhillon

We investigate a novel integrated sensing and communication (ISAC) system supported by pinching antennas (PAs), which can be dynamically activated along a dielectric waveguide to collect spatially diverse observations. This capability…

信号处理 · 电气工程与系统科学 2025-05-06 Ata Khalili , Brikena Kaziu , Vasilis K. Papanikolaou , Robert Schober

The distortion from massive MIMO (multiple-input--multiple-output) base stations with nonlinear amplifiers is studied and its radiation pattern is derived. The distortion is analyzed both in-band and out-of-band. By using an orthogonal…

信息论 · 计算机科学 2018-05-04 Christopher Mollén , Ulf Gustavsson , Thomas Eriksson , Erik G. Larsson