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The envisioned robotic aerial base station (RABS) concept is expected to bring further flexibility to integrated sensing and communication (ISAC) systems. In this letter, characterizing the spatial traffic distribution on a grid-based…

Networking and Internet Architecture · Computer Science 2023-07-07 Yuan Liao , Vasilis Friderikos , Halim Yanikomeroglu

A novel integrated sensing and communication (ISAC) system is proposed, where a dual-functional base station is utilized to transmit the superimposed non-orthogonal multiple access (NOMA) communication signal for serving communication users…

Information Theory · Computer Science 2022-10-07 Jiakuo Zuo , Yuanwei Liu , Chenming Zhu , Yixuan Zou , Dengyin Zhang , Naofal Al-Dhahir

This paper investigates the integrated sensing and communication (ISAC) in vehicle-to-infrastructure (V2I) networks. To realize ISAC, an effective beamforming design is essential which however, highly depends on the availability of accurate…

Signal Processing · Electrical Eng. & Systems 2022-04-28 Chang Liu , Weijie Yuan , Shuangyang Li , Xuemeng Liu , Husheng Li , Derrick Wing Kwan Ng , Yonghui Li

The impacts of channel estimation errors, inter-cell interference, phase adjustment cost, and computation cost on an intelligent reflecting surface (IRS)-assisted system are severe in practice but have been ignored for simplicity in most…

Information Theory · Computer Science 2022-01-06 Yuhang Jia , Wuyang Jiang , Ying Cui

RANSAC and its variants are widely used for robust estimation, however, they commonly follow a greedy approach to finding the highest scoring model while ignoring other model hypotheses. In contrast, Iteratively Reweighted Least Squares…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Luca Cavalli , Daniel Barath , Marc Pollefeys , Viktor Larsson

Performance of multicell systems is inevitably limited by interference and available resources. Although intercell interference can be mitigated by Base Station (BS) Coordination, the demand on inter-BS information exchange and…

Information Theory · Computer Science 2014-07-10 Mohammad Hossein Akbari , Vahid Tabataba Vakili

In this paper, we consider IRS-assisted transmissions from a multi-antenna access point (AP) to a receiver with uncertain channel information. By adjusting the magnitude of reflecting coefficients, the IRS can sustain its operations by…

Signal Processing · Electrical Eng. & Systems 2020-05-15 Yongchang Deng , Yuze Zou , Shimin Gong , Bin Lyu , Dinh Thai Hoang , Dusit Niyato

We consider a least absolute deviation (LAD) approach to the robust phase retrieval problem that aims to recover a signal from its absolute measurements corrupted with sparse noise. To solve the resulting non-convex optimization problem, we…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Seonho Kim , Kiryung Lee

One technology that has the potential to improve wireless communications in years to come is integrated sensing and communication (ISAC). In this study, we take advantage of reconfigurable intelligent surface's (RIS) potential advantages to…

Signal Processing · Electrical Eng. & Systems 2023-08-22 Panpan Li , Yong Niu , Hao Wu , Zhu Han , Guiqi Sun , Ning Wang , Zhangdui Zhong , Bo Ai

Due to the distinct objectives and multipath utilization mechanisms between the communication module and radar module, the system design of integrated sensing and communication (ISAC) necessitates two types of channel state information…

Signal Processing · Electrical Eng. & Systems 2024-09-26 Jie Chen , Xianbin Wang

Robust disturbance rejection remains a longstanding challenge in humanoid locomotion, particularly on unstructured terrains where sensing is unreliable and model mismatch is pronounced. While perception information, such as height map,…

Robotics · Computer Science 2026-02-04 Qixin Zeng , Hongyin Zhang , Shangke Lyu , Junxi Jin , Donglin Wang , Chao Huang

Radio maps (RMs) are essential for environment-aware communication and sensing, providing location-specific wireless channel information. Existing RM construction methods often rely on precise environmental data and base station (BS)…

Artificial Intelligence · Computer Science 2025-05-22 Xiucheng Wang , Zhongsheng Fang , Nan Cheng , Ruijin Sun , Zan Li , Xuemin , Shen

In this letter, we propose a robust beamforming design for non-orthogonal multiple access (NOMA) based multiple-input single-output (MISO) downlink systems. In particular, the robust power minimization problem is studied with imperfect…

Information Theory · Computer Science 2017-08-29 Faezeh Alavi , Kanapathippillai Cumanan , Zhiguo Ding , Alister G. Burr

In dynamic acoustic environments with time-varying interferers, effective beamforming requires identifying stationary regions over time. The Capon beamformer, a whitened matched filter constrained to maintain unity gain in the desired…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Manan Mittal , Ryan M. Corey , Diego Cuji , John R. Buck , Andrew C. Singer

Integrated sensing and communication (ISAC) systems may face a heavy computation burden since the sensory data needs to be further processed. This paper studies a novel system that integrates sensing, communication, and computation, aiming…

Signal Processing · Electrical Eng. & Systems 2024-07-02 Yapeng Zhao , Qingqing Wu , Wen Chen , Yong Zeng , Ruiqi Liu , Weidong Mei , Fen Hou , Shaodan Ma

This paper considers downlink of reconfigurable intelligent surface (RIS) assisted cooperative non-orthogonal multiple access (CNOMA) systems. Our objective is to minimize the total transmit power by jointly optimizing the active…

Signal Processing · Electrical Eng. & Systems 2020-12-08 Jiakuo Zuo , Yuanwei Liu , Naofal Al-Dhahir

This paper proposes an intelligent reflecting surface (IRS) assisted integrated sensing and communication (ISAC) system operating at the millimeter-wave (mmWave) band. Specifically, the ISAC system combines communication and radar…

Signal Processing · Electrical Eng. & Systems 2024-04-10 Zhengyu Zhu , Zheng Li , Zheng Chu , Gangcan Sun , Wanming Hao , Pei Xiao , Inkyu Lee

Recent advances in depth sensing technologies allow fast electronic maneuvering of the laser beam, as opposed to fixed mechanical rotations. This will enable future sensors, in principle, to vary in real-time the sampling pattern. We…

Computer Vision and Pattern Recognition · Computer Science 2022-05-23 Ilya Tcenov , Guy Gilboa

Undersampling the k-space during MR acquisitions saves time, however results in an ill-posed inversion problem, leading to an infinite set of images as possible solutions. Traditionally, this is tackled as a reconstruction problem by…

Image and Video Processing · Electrical Eng. & Systems 2022-02-10 Kerem C. Tezcan , Neerav Karani , Christian F. Baumgartner , Ender Konukoglu

Pixel-based reconfigurable intelligent surfaces (RISs) employ a novel design to achieve high reflection gain at a lower hardware cost by eliminating the phase shifters used in traditional RIS. However, this design presents challenges for…

Signal Processing · Electrical Eng. & Systems 2025-10-24 Huayan Guo , Junhui Rao , Alex M. H. Wong , Ross Murch , Vincent K. N. Lau