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We numerically study the performance of the displacement based quantum receiver for the discrimination of weak 3- and 4-phase-shift keyed (PSK) coherent state signals. We show that due to the nontrivial asymmetry of the receiver structure,…

Quantum Physics · Physics 2015-06-16 M. Fujiwara , S. Izumi , M. Takeoka , M. Sasaki

This paper proposes a control method for battery energy storage systems (BESSs) to provide concurrent primary frequency and local voltage regulation services. The actual variable active and reactive power capability of the converter, along…

Systems and Control · Electrical Eng. & Systems 2020-04-10 Antonio Zecchino , Zhao Yuan , Fabrizio Sossan , Rachid Cherkaoui , Mario Paolone

The coherent synchrotron radiation (CSR) of a high brightness electron beam traversing a series of dipoles, such as transport or recirculation arcs, may result in the microbunching instability ({\mu}BI). To accurately quantify the direct…

Accelerator Physics · Physics 2015-05-08 Cheng-Ying Tsai , David Douglas , Rui Li , Chris Tennant

Significant beam loss caused by the charge exchange processes and ions impact induced outgassing play a crucial role in the limitation of the maximum number of accumulated heavy ions during the high intensity operation in the accelerators.…

Accelerator Physics · Physics 2015-06-22 Wenheng Zheng , Jiancheng Yang , Peng Li , Zhongshan Li , Peng Shang , Guofeng Qu , Wenwen Ge , Meitang Tang , Xiaoping Sha

The pulse-train technique within ultrafast pump-probe spectroscopy is theoretically investigated to enhance a specific coherent phonon mode while suppressing the other phonon modes generated in single wall carbon nanotubes (SWNTs). In…

Mesoscale and Nanoscale Physics · Physics 2016-12-20 Ahmad R. T. Nugraha , Eddwi H. Hasdeo , Riichiro Saito

Hybrid beamforming (HBF) transceiver architectures based on frequency-independent phase shifters (PS-HBF) are sensitive to the phases and physical directions with limited capability to compensate for the detrimental effects of the beam…

Signal Processing · Electrical Eng. & Systems 2024-09-27 Mengyuan Ma , Nhan Thanh Nguyen , Markku Juntti

In accelerators, ion beams are often accelerated using electrostatic accelerating tubes. This paper reports on a method to improve the beam transport efficiency without adding new components to the beam transport system. High beam currents…

Data applications may typically tolerate a moderate delay before packet transmission between user equipment (UE) and cell begins. This delay can be taken advantage to reduce the communication distance, improve coverage probability, and…

Signal Processing · Electrical Eng. & Systems 2019-04-19 Haluk Celebi , Ismail Guvenc , Henning Schulzrinne

In this paper, a discrete reconfigurable intelligent surface (RIS)-assisted spatial shift keying (SSK) multiple-input multiple-output (MIMO) scheme is investigated, in which a direct link between the transmitter and the receiver is…

Information Theory · Computer Science 2024-11-04 Xusheng Zhu , Qingqing Wu , Wen Chen , Xinyuan He , Lexi Xu , Yaxin Zhang

This paper aims at designing an on-board beam generation process for multibeam satellite systems with the goal of reducing the traffic at the feeder link. Full frequency reuse among beams is considered and the beamforming at the satellite…

Information Theory · Computer Science 2015-07-01 Vahid Joroughi , Miguel Ángel Vázquez , Ana I. Pérez-Neira , Bertrand Devillers

A series of modified cognitive-only particle swarm optimization (PSO) algorithms effectively mitigate premature convergence by constructing distinct vectors for different particles. However, the underutilization of these constructed vectors…

Neural and Evolutionary Computing · Computer Science 2025-04-22 Zhenxing Zhang , Tianxian Zhang , Xiangliang Xu

The Fermilab booster has an intensity upgrade plan called the Proton Improvement plan (PIP). The flux throughput goal is 2E17 protons/hour which is almost double the current operation at 1.1E17 protons/hour. The beam loss in the machine is…

Accelerator Physics · Physics 2013-01-31 K. Seiya , C. Drennan , W. A. Pellico , K. Triplett , A. Waller

An analytical model is presented for assessing the performance of the bit-error-rate (BER) in the differential m-level phase shift keying (m-PSK) transmission systems, where the influence of equalization enhanced phase noise (EEPN) has been…

Information Theory · Computer Science 2016-09-08 Tianhua Xu , Gunnar Jacobsen , Sergei Popov , Tiegen Liu , Yimo Zhang , Polina Bayvel

Electron cloud effects have become one of the main performance limitations for circular particle accelerators operating with positively-charged beams. Among other machines worldwide, the CERN Super Proton Synchrotron (SPS), as well as the…

Accelerator Physics · Physics 2020-04-22 X. Cui , S. Gilardoni , M. Giovannozzi , G. Iadarola

This work presents a general framework for the operationally driven optimal siting and sizing of battery energy storage systems in power transmission networks, aimed at enhancing their resource adequacy. The approach considers multi-period…

Systems and Control · Electrical Eng. & Systems 2026-03-05 Ginevra Larroux , Matthieu Jacobs , Keyu Jia , Fabrizio Sossan , Mario Paolone

The fundamental sensing limit of pinching-antenna systems (PASS) is studied from a Bayesian Cram\'er-Rao bound (BCRB) perspective. Compared to conventional CRB, BCRB is independent of the exact values of sensing parameters and is not…

Signal Processing · Electrical Eng. & Systems 2025-10-13 Hao Jiang , Chongjun Ouyang , Zhaolin Wang , Yuanwei Liu , Arumugam Nallanathan , Zhiguo Ding

A timing system provides high-precision signals to allow the controls over a variety of hardware and software components in the accelerator complex. This is guaranteed by the radio frequency (RF) and trigger signal synchronization for…

On-line monitoring of beam quality for high brightness beams is only possible using non-invasive instruments. For matching measurements, very few such instruments are available. One candidate is a quadrupole pick-up. Therefore, a new type…

Accelerator Physics · Physics 2009-11-07 Andreas Jansson

The paper treats uplink scenario where M user equipments (UEs) send to a Base Station (BS), possibly via a common Relay Station (RS) that is equipped with a buffer. This is a multiple-access relay channel (MARC) aided by a buffer. We devise…

Information Theory · Computer Science 2016-11-17 Rongkuan Liu , Petar Popovski , Gang Wang

The proton irradiation accelerator is widely founded for industry application, and should be designed as compact, reliable, and easy operate. A 10 MeV proton beam is designed to be injected into the slow circulation ring with the repetition…

Accelerator Physics · Physics 2014-11-24 Yu-Wen An , Hong-Fei Ji , Sheng Wang , Shou-Yan Xu
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