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An integrated sensing and backscatter communication (ISABC) system is introduced herein. This system features a full-duplex (FD) base station (BS) that seamlessly merges sensing with backscatter communication and supports multiple users.…

Signal Processing · Electrical Eng. & Systems 2025-01-30 Diluka Galappaththige , Shayan Zargari , Chintha Tellambura , Geoffrey Ye Li

Incorporating cloud computing into heterogeneous networks, the heterogeneous cloud radio access network (H-CRAN) has been proposed as a promising paradigm to enhance both spectral and energy efficiencies. Developing interference suppression…

Information Theory · Computer Science 2016-01-07 Mugen Peng , Hongyu Xiang , Yuanyuan Cheng , Shi Yan , H. Vincent Poor

A novel technique is proposed which enables each transmitter to acquire global channel state information (CSI) from the sole knowledge of individual received signal power measurements, which makes dedicated feedback or inter-transmitter…

Networking and Internet Architecture · Computer Science 2017-07-04 Chao Zhang , Vineeth Varma , Samson Lasaulce , Raphael Visoz

Reconfigurable intelligent surfaces (RISs) enhance unmanned aerial vehicles (UAV)-assisted communication by extending coverage, improving efficiency, and enabling adaptive beamforming. This paper investigates a multiple-input single-output…

Information Theory · Computer Science 2025-10-28 Mahmoud M. Salim , Khaled M. Rabie , Ali H. Muqaibel

In this paper a unified approach for power allocation (PA) problem in multi-hop orthogonal frequency division multiplexing (OFDM) amplify-and-forward (AF) relaying systems has been developed. In the proposed approach, we consider short and…

Information Theory · Computer Science 2015-08-07 Amin Azari , Jalil S. Harsini , Farshad Lahouti

The strength of DMRG lies in its treatment of identical sites that are energetically degenerate and spatially similar. However, this becomes a drawback when applied to quantum chemistry calculations for large systems, as entangled orbitals…

Quantum Physics · Physics 2024-12-03 Yifan Cheng , Zhaoxuan Xie , Xiaoyu Xie , Haibo Ma

Future wireless networks will utilize extremely large-scale antenna arrays (ELAAs) over high-frequency bands, which, however, produce near-field spherical wavefronts and spatial wideband effects. To exploit and mitigate these, this paper…

Information Theory · Computer Science 2025-12-09 Jiasi Zhou , Chintha Tellambura

Distributed calibration based on consensus optimization is a computationally efficient method to calibrate large radio interferometers such as LOFAR and SKA. Calibrating along multiple directions in the sky and removing the bright…

Instrumentation and Methods for Astrophysics · Physics 2021-10-29 Sarod Yatawatta

Multi-band operation in wireless networks can improve data rates by leveraging the benefits of propagation in different frequency ranges. Distinctive beam management procedures in different bands complicate band assignment because they…

Signal Processing · Electrical Eng. & Systems 2023-08-28 Dohyun Kim , Miguel R. Castellanos , Robert W. Heath

Reinforcement learning (RL), known for its self-evolution capability, offers a promising approach to training high-level autonomous driving systems. However, handling constraints remains a significant challenge for existing RL algorithms,…

Robotics · Computer Science 2025-05-21 Feihong Zhang , Guojian Zhan , Bin Shuai , Tianyi Zhang , Jingliang Duan , Shengbo Eben Li

We propose a practical method to solve the random-phase approximation (RPA) in the self-consistent Hartree-Fock (HF) and density-functional theory. The method is based on numerical evaluation of the residual interactions utilizing finite…

Nuclear Theory · Physics 2010-11-26 Takashi Nakatsukasa , Tsunenori Inakura , Kazuhiro Yabana

Integrated sensing and communication (ISAC) has been envisioned as a prospective technology to enable ubiquitous sensing and communications in next-generation wireless networks. In contrast to existing works on reconfigurable intelligent…

Information Theory · Computer Science 2024-10-02 Hanyu Yang , Shiqi Gong , Heng Liu , Chengwen Xing , Nan Zhao , Dusit Niyato

Computing sparse redundant representations is an important problem both in applied mathematics and neuroscience. In many applications, this problem must be solved in an energy efficient way. Here, we propose a hybrid distributed algorithm…

Neural and Evolutionary Computing · Computer Science 2012-10-05 Tao Hu , Alexander Genkin , Dmitri B. Chklovskii

In a typical communication system, in order to maintain a desired SNR level, initial beam alignment (BA) must be established prior to data transmission. In a setup where a Base Station (BS) Tx sends data via a digitally modulated waveform,…

Signal Processing · Electrical Eng. & Systems 2023-04-05 Florian Muhr , Lorenzo Zaniboni , Saeid K. Dehkordi , Fernando Pedraza Nieto , Giuseppe Caire

Direction-of-arrival (DOA) estimation is one of the most demanding tasks for the millimeter wave (mmWave) communication of massive multiple-input multiple-output (MIMO) systems with the hybrid beamforming (HBF) architecture. In this paper,…

Information Theory · Computer Science 2021-09-01 Tian Lin , Xuemeng Zhou , Yu Zhu , Yi Jiang

This paper proposes a network decoupling method based on Holomorphic Embedding (HE) for voltage stability analysis. Using the proposed HE method with a physical load scaling factor s, it develops a set of decoupled two-bus circuit channels…

Systems and Control · Electrical Eng. & Systems 2020-03-30 Qiupin Lai , Chengxi Liu , Kai Sun

In this paper, we investigate the impact of interconnect and device process variations on voltage fluctuations in power grids. We consider random variations in the power grid's electrical parameters as spatial stochastic processes and…

Hardware Architecture · Computer Science 2011-11-09 Praveen Ghanta , Sarma Vrudhula , Rajendran Panda , Janet Wang

This paper proposes an accurate High Impedance Fault (HIF) detection and isolation scheme in a power distribution network. The proposed schemes utilize the data available from voltage and current sensors. The technique employs multiple…

Systems and Control · Electrical Eng. & Systems 2019-09-25 Muhammad Sarwar , Faisal Mehmood , Muhammad Abid , Abdul Qayyum Khan , Sufi Tabassum Gul , Adil Sarwar Khan

This paper develops a sum-power minimized resource allocation (RA) algorithm subject to a sum-rate constraint for cooperative orthogonal frequency division modulation (OFDM) transmission with subcarrier-pair based opportunistic…

Information Theory · Computer Science 2016-11-15 Tao Wang , Yong Fang , Luc Vandendorpe

The focus of this paper is on the rate and power control algorithms in Dedicated Short Range Communication (DSRC) for vehicular networks. We first propose a utility maximization framework by leveraging the well-developed network congestion…

Systems and Control · Computer Science 2015-11-06 Jubin Jose , Chong Li , Xinzhou Wu , Lei Ying , Kai Zhu