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With the recent development in mobile computing devices and as the ubiquitous deployment of access points(APs) of Wireless Local Area Networks(WLANs), WLAN based indoor localization systems(WILSs) are of mounting concentration and are…

机器学习 · 统计学 2017-04-13 Caifa Zhou , Lin Ma , Xuezhi Tan

Reconfigurable Intelligent Surfaces (RISs) are announced as a truly transformative technology, capable of smartly shaping wireless environments to optimize next-generation communication networks. Among their numerous foreseen applications,…

信号处理 · 电气工程与系统科学 2023-06-21 Moustafa Rahal , Benoit Denis , Taghrid Mazloum , Frederic Munoz , Raffaele D Errico

To achieve reliable and efficient transmissions in free-space optical (FSO) communication, this paper designs a new protograph low-density parity-check (PLDPC) coded generalized spatial multipulse position modulation (GSMPPM) system over…

信息论 · 计算机科学 2023-03-08 Liang Lv , Yi Fang , Lin Dai , Yonghui Li , Mohsen Guizani

Key challenges in developing underwater acoustic localization methods are related to the combined effects of high reverberation in intricate environments. To address such challenges, recent studies have shown that with a properly designed…

信号处理 · 电气工程与系统科学 2023-05-30 Amir Weiss , Andrew C. Singer , Gregory W. Wornell

Acoustic traps are used to capture and handle suspended microparticles and cells in microfluidic applications. A particular simple and much-used acoustic trap consists of a commercially available, millimeter-sized, liquid-filled glass…

流体动力学 · 物理学 2017-08-30 Mikkel W. H. Ley , Henrik Bruus

The integration of sensing capabilities into communication systems, by sharing physical resources, has a significant potential for reducing spectrum, hardware, and energy costs while inspiring innovative applications. Cooperative networks,…

信号处理 · 电气工程与系统科学 2024-08-26 Zhenkun Zhang , Hong Ren , Cunhua Pan , Sheng Hong , Dongming Wang , Jiangzhou Wang , Xiaohu You

Simultaneous Localization and Mapping (SLAM) plays an important role in outdoor and indoor applications ranging from autonomous driving to indoor robotics. Outdoor SLAM has been widely used with the assistance of LiDAR or GPS. For indoor…

机器人学 · 计算机科学 2023-02-15 Yang Zhao , Kai Zhang , Haotian Yu , Yi Zhang , Dongliang Zheng , Jing Han

As Audio Large Language Models (ALLMs) emerge as powerful tools for speech processing, their safety implications demand urgent attention. While considerable research has explored textual and vision safety, audio's distinct characteristics…

To enable low-power and low-complexity wireless monitoring, an improved circuit design of Analog Joint Source Channel Coding (AJSCC) is proposed for wireless sensor nodes. This innovative design is based on Analog Divider Blocks (ADB) with…

信号处理 · 电气工程与系统科学 2019-07-03 Xueyuan Zhao , Vidyasagar Sadhu , Anthony Yang , Dario Pompili

Room geometry inference algorithms rely on the localization of acoustic reflectors to identify boundary surfaces of an enclosure. Rooms with highly absorptive walls or walls at large distances from the measurement setup pose challenges for…

音频与语音处理 · 电气工程与系统科学 2024-02-12 H. Nazim Bicer , Cagdas Tuna , Andreas Walther , Emanuël A. P. Habets

This paper proposes a Simultaneous Calibration and Navigation (SCAN) algorithm of a multiple Ultrasonic Local Positioning Systems (ULPSs) that cover an extensive indoor area. The idea is the development of the same concept than SLAM…

信号处理 · 电气工程与系统科学 2024-02-07 David Gualda , Jesus Urena , Juan C. Garcia , Enrique Garcia , Jose Alcala

Neural language models process sequences of words, but the mathematical operations inside them are insensitive to the order in which words appear. Positional encodings are the component added to remedy this. Despite their importance,…

机器学习 · 计算机科学 2026-04-08 Giansalvo Cirrincione

This letter investigates an uplink pilot-based wireless indoor localization problem in a multipath environment for a single-input single-output (SISO) narrowband communication system aided by reconfigurable intelligent surface (RIS). The…

信号处理 · 电气工程与系统科学 2024-07-10 Yinghan Li , Wei Yu

Affine frequency division multiplexing (AFDM) is a promising chirp-based waveform with high flexibility and resilience, making it well-suited for next-generation wireless networks, particularly in high-mobility scenarios. In this paper, we…

信号处理 · 电气工程与系统科学 2025-07-14 Haoran Yin , Yanqun Tang , Yuanhan Ni , Zulin Wang , Gaojie Chen , Jun Xiong , Kai Yang , Marios Kountouris , Yong Liang Guan , Yong Zeng

Boltzmann codes are used extensively by several groups for constraining cosmological parameters with Cosmic Microwave Background and Large Scale Structure data. This activity is computationally expensive, since a typical project requires…

宇宙学与河外天体物理 · 物理学 2015-05-27 Diego Blas , Julien Lesgourgues , Thomas Tram

Significance: Compressed sensing (CS) uses special measurement designs combined with powerful mathematical algorithms to reduce the amount of data to be collected while maintaining image quality. This is relevant to almost any imaging…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Markus Haltmeier , Matthias Ye , Karoline Felbermayer , Florian Hinterleitner , Peter Burgholzer

Autonomous robots can benefit greatly from human-provided semantic characterizations of uncertain task environments and states. However, the development of integrated strategies which let robots model, communicate, and act on such 'soft…

机器人学 · 计算机科学 2023-09-01 Luke Burks , Hunter M. Ray , Jamison McGinley , Sousheel Vunnam , Nisar Ahmed

A core challenge in physical-layer security is the difficulty of obtaining the channel state information (CSI) of potential eavesdroppers. The inherent sensing functionality of integrated sensing and communication (ISAC) systems offers a…

信息论 · 计算机科学 2026-04-28 Yaxuan Chen , Guangchi Zhang , Miao Cui , Hao Fu , Qingqing Wu , Rui Zhang

For a multiple-input multiple-output (MIMO) system with unknown channel state information (CSI), a novel low-density parity check (LDPC)-coded transmission (LCT) scheme with joint pilot and data channel estimation is proposed. To fine-tune…

信息论 · 计算机科学 2023-11-14 Binghui Shi , Yongpeng Wu , Peihong Yuan , Derrick Wing Kwan Ng , Xiang-Gen Xia , Wenjun Zhang

Radio Frequency Identification (RFID) tracking may be a viable solution for defense assets that must be stored in accordance with security guidelines. However, poor sensor specificity (vulnerabilities include long range detection, spoofing,…

机器学习 · 计算机科学 2025-10-24 Curtis Lee Shull , Merrick Green