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Aiming to achieve ubiquitous global connectivity and target detection on the same platform with improved spectral/energy efficiency and reduced onboard hardware cost, low Earth orbit (LEO) satellite systems capable of simultaneously…

Information Theory · Computer Science 2024-07-15 Juha Park , Jaehyup Seong , Jaehak Ryu , Yijie Mao , Wonjae Shin

A simultaneously transmitting and reflecting surface (STARS) assisted near-field (NF) integrated sensing and communication (ISAC) framework is proposed, where the radio sensors are installed on the STARS to directly conduct the…

Signal Processing · Electrical Eng. & Systems 2025-06-03 Na Xue , Xidong Mu , Yue Chen , Yuanwei Liu

This paper considers a cell-free integrated sensing and communication (ISAC) MIMO system, where distributed MIMO access points (APs) jointly serve the communication users and sense the target. For this setup, we derive a sensing SNR for…

Information Theory · Computer Science 2024-02-26 Umut Demirhan , Ahmed Alkhateeb

We propose a sparse grids based adaptive noise reduction strategy for electrostatic particle-in-cell (PIC) simulations. Our approach is based on the key idea of relying on sparse grids instead of a regular grid in order to increase the…

Integrated sensing and communication (ISAC) enables simultaneous localization, environment perception, and data exchange for connected autonomous vehicles. However, most existing ISAC designs prioritize sensing accuracy and communication…

Signal Processing · Electrical Eng. & Systems 2025-10-28 Xibin Jin , Guoliang Li , Shuai Wang , Fan Liu , Miaowen Wen , Huseyin Arslan , Derrick Wing Kwan Ng , Chengzhong Xu

This paper aims to design a set of transmitting waveforms in cognitive colocated Multi-Input Multi-Output (MIMO) radar systems considering the simultaneous minimization of spatial- and the range- Integrated Sidelobe Level Ratio (ISLR). The…

Signal Processing · Electrical Eng. & Systems 2021-07-07 Ehsan Raei , Mohammad Alaee-Kerahrood , M. R. Bhavani Shankar

An integrated sensing and communication (ISAC) framework comprises radar sensing to enable reliable direction beam-based communication between a base station (BS) and mobile user (MU). The ISAC will be an integral part of 6G with potential…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Jai Mangal , Sumit Darak , Shobha Sundar Ram

For the K user, single input single output (SISO), frequency selective interference channel, a new low complexity transmit beamforming design that improves the achievable sum rate is presented. Jointly employing the interference alignment…

Information Theory · Computer Science 2015-03-17 Douglas Kim , Murat Torlak

Variable selection in high-dimensional space characterizes many contemporary problems in scientific discovery and decision making. Many frequently-used techniques are based on independence screening; examples include correlation ranking…

Methodology · Statistics 2008-12-18 Jianqing Fan , Richard Samworth , Yichao Wu

The performance of irregular phased array architectures is assessed in the context of multi-user multiple-input multiple-output (MU-MIMO) communications operating beyond 100 GHz. Realizing half-wavelength spaced planar phased arrays is…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Yigit Ertugrul , Kamil Yavuz Kapusuz , Claude Desset , Sofie Pollin

In the second part of the series papers, we set out to study the algorithmic efficiency of sparse sensing. Stemmed from co-prime sensing, we propose a generalized framework, termed Diophantine sensing, which utilizes generic Diophantine…

Information Theory · Computer Science 2021-08-25 Hanshen Xiao , Beining Zhou , Guoqiang Xiao

Integrated sensing and communications (ISAC) is a key enabler for next-generation wireless systems, aiming to support both high-throughput communication and high-accuracy environmental sensing using shared spectrum and hardware. Theoretical…

Signal Processing · Electrical Eng. & Systems 2025-08-05 Lin Chen , Chang Cai , Huiyuan Yang , Xiaojun Yuan , Ying-Jun Angela Zhang

Integrated sensing and communication (ISAC) technology is crucial for next-generation underwater networks. However, covering multiple users and targets and balancing sensing and communication performance in complex underwater acoustic (UWA)…

Networking and Internet Architecture · Computer Science 2025-12-16 Wei Men , Longfei Zhao , Yong Liang Guan , Xiangwang Hou , Yong Ren , Dusit Niyato

In this paper, an integrated sensing and communication (ISAC) system is investigated. Initially, we introduce a design criterion wherein sensing data acquired from the preceding time slot is employed for instantaneous optimal beamforming in…

Computational Geometry · Computer Science 2024-10-08 Shengcai Zhou , Luping Xiang , Kun Yang

Low earth orbit (LEO) satellite-assisted integrated sensing and communications (ISAC) systems have been extensively studied to achieve ubiquitous connectivity. However, the severe signal attenuation and limited transmit power at LEO…

Signal Processing · Electrical Eng. & Systems 2025-11-07 Hanfu Zhang , Erwu Liu

The concept of large intelligent surface (LIS)-based communication has recently attracted increasing research attention, where a LIS is considered as an antenna array whose entire surface area is available for radio signal transmission and…

Information Theory · Computer Science 2020-02-28 Jide Yuan , Hien Quoc Ngo , Michail Matthaiou

Spatial Independent Components Analysis (ICA) is increasingly used in the context of functional Magnetic Resonance Imaging (fMRI) to study cognition and brain pathologies. Salient features present in some of the extracted Independent…

A variable screening procedure via correlation learning was proposed Fan and Lv (2008) to reduce dimensionality in sparse ultra-high dimensional models. Even when the true model is linear, the marginal regression can be highly nonlinear. To…

Methodology · Statistics 2011-01-19 Jianqing Fan , Yang Feng , Rui Song

Antenna arrays have many applications in direction-of-arrival (DOA) estimation. Sparse arrays such as nested arrays, super nested arrays, and coprime arrays have large degrees of freedom (DOFs). They can estimate large number of sources…

Signal Processing · Electrical Eng. & Systems 2021-01-12 Saleh A. Alawsh , Ali H. Muqaibel

A simultaneously transmitting and reflecting surface (STARS) enabled integrated sensing and communications (ISAC) framework is proposed, where a novel bi-directional sensing-STARS architecture is devised to facilitate the full-space…

Information Theory · Computer Science 2023-01-10 Zheng Zhang , Yuanwei Liu , Zhaolin Wang , Jian Chen