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With the increasing frequency and intensity of natural disasters, there is a necessity for advanced technologies that can provide reliable situational awareness and communication. Conventional systems are often inadequate due to unreliable…

Systems and Control · Electrical Eng. & Systems 2025-05-28 Ahmet Burak Ozyurt , Shreesh Mohalik , John S. Thompson

Joint radar and communication (JRC) has recently attracted substantial attention. The first reason is that JRC allows individual radar and communication systems to share spectrum bands and thus improves the spectrum utilization. The second…

Signal Processing · Electrical Eng. & Systems 2021-02-01 Nguyen Cong Luong , Xiao Lu , Dinh Thai Hoang , Dusit Niyato , Dong In Kim

The Future wireless communication systems face the challenging task of simultaneously providing high quality of service (QoS) and broadband data transmission, while also minimizing power consumption, latency, and system complexity. Although…

Information Theory · Computer Science 2024-10-03 Amina Darghouthi , Abdelhakim Khlifi , Hmaied Shaiek , Fatma Ben Salah , Belgacem Chibani

Frequency-hopping (FH) joint radar-communications (JRC) can offer excellent security for integrated sensing and communication systems. However, existing JRC schemes mainly embed information using only the sub-pulse frequencies and hence the…

Signal Processing · Electrical Eng. & Systems 2022-04-27 Linh Manh Hoang , J. Andrew Zhang , Diep N. Nguyen , Dinh Thai Hoang

In this paper, we investigate a distributed multi-input multi-output and orthogonal frequency division multiplexing (MIMO-OFDM) dual-function radar-communication (DFRC) system, which enables simultaneous communication and sensing in…

Signal Processing · Electrical Eng. & Systems 2025-03-17 Chen Zhong , Xufeng Zhou , Lan Tang , Mengting Lou

Orthogonal time frequency space (OTFS) is a promising modulation scheme for wireless communication in high-mobility scenarios. Recently, a reservoir computing (RC) based approach has been introduced for online subframe-based symbol…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Jiarui Xu , Karim Said , Lizhong Zheng , Lingjia Liu

Orthogonal time frequency space (OTFS) has been widely acknowledged as a promising wireless technology for challenging transmission scenarios, including high-mobility channels. In this paper, we investigate the pilot design for the…

Information Theory · Computer Science 2023-10-31 Mingcheng Nie , Shuangyang Li , Deepak Mishra

This paper investigates joint device identification, channel estimation, and signal detection for LEO satellite-enabled grant-free random access, where a multiple-input multipleoutput (MIMO) system with orthogonal time-frequency space…

Information Theory · Computer Science 2023-08-08 Boxiao Shen , Yongpeng Wu , Wenjun Zhang , Symeon Chatzinotas , Björn Ottersten

Integrated sensing and communication (ISAC) is a main application scenario of the sixth-generation mobile communication systems. Due to the fast-growing number of antennas and subcarriers in cellular systems, the computational complexity of…

Information Theory · Computer Science 2024-05-16 Jun Zhang , Gang Yang , Qibin Ye , Yixuan Huang , Su Hu

An integrated radar and communications system (IRCS) where a monostatic radar transceiver is employed for target classification while simultaneously used as a communications transmitter is considered. The radar combined propagation-target…

Signal Processing · Electrical Eng. & Systems 2019-05-23 Yongjun Liu , Guisheng Liao , Zhiwei Yang

Large-scale deployment of connected vehicles with cooperative awareness technologies increases the demand for vehicle-to-everything (V2X) communication spectrum in 5.9 GHz that is mainly allocated for the exchange of safety messages. To…

Signal Processing · Electrical Eng. & Systems 2021-09-28 Ceyhun D. Ozkaptan , Eylem Ekici , Chang-Heng Wang , Onur Altintas

A novel dual-function radar communication (DFRC) system is proposed, that achieves high target resolution and high communication rate. It consists of a multiple-input multiple-output (MIMO) radar, where only a small number of antennas are…

Signal Processing · Electrical Eng. & Systems 2021-06-11 Zhaoyi Xu , Athina Petropulu , Shunqiao Sun

Recently, a new precoding technique called orthogonal time-frequency signaling (OTFS) has been proposed for time- and frequency-selective communication channels. OTFS precodes a data frame with a complete set of spreading sequences and…

Information Theory · Computer Science 2017-10-30 Thomas Zemen , Markus Hofer , David Loeschenbrand

Joint communication and sensing (JCAS) is a very promising 6G technology, which attracts more and more research attention. Compared with communication, radar has many unique features in terms of waveform design criteria, self-interference…

Signal Processing · Electrical Eng. & Systems 2024-12-02 Yihua Ma , Zhifeng Yuan , Shuqiang Xia , Guanghui Yu , Liujun Hu

The orthogonal time frequency space (OTFS) modulation as a promising signal representation attracts growingcinterest for integrated sensing and communication (ISAC), yet its merits over orthogonal frequency division multiplexing (OFDM)…

Signal Processing · Electrical Eng. & Systems 2023-04-28 Bowen Wang , Jianchi Zhu , Xiaoming She , Peng Chen

Radar Automated Target Recognition (RATR) for Unmanned Aerial Vehicles (UAVs) involves transmitting Electromagnetic Waves (EMWs) and performing target type recognition on the received radar echo, crucial for defense and aerospace…

Signal Processing · Electrical Eng. & Systems 2024-08-19 Michael Potter , Murat Akcakaya , Marius Necsoiu , Gunar Schirner , Deniz Erdogmus , Tales Imbiriba

In this work, we investigate a multistatic MIMO-OFDM joint sensing and communication (JSC) system that leverages cooperation among spatially distributed base stations (BSs) to detect and localize multiple targets through soft fusion of…

Signal Processing · Electrical Eng. & Systems 2025-03-31 Elisabetta Matricardi , Lorenzo Pucci , Elia Favarelli , Enrico Paolini , Andrea Giorgetti

Joint communication and radar sensing (JCAS) integrates communication and radar/radio sensing into one system, sharing one transmitted signal. In this paper, we investigate JCAS waveform optimization underlying communication signals, where…

Signal Processing · Electrical Eng. & Systems 2020-11-24 Zhitong Ni , J. Andrew Zhang , Kai Yang , Xiaojing Huang , Theodoros A. Tsiftsis

A novel monostatic multiple-input multiple-output (MIMO) dual-function radar communication (DFRC) system is proposed, that uses the available bandwidth efficiently for both sensing and communication. The proposed system, referred to as…

Signal Processing · Electrical Eng. & Systems 2022-03-30 Zhaoyi Xu , Athina Petropulu

We consider the problem of accurately localizing $N$ unmanned aerial vehicles (UAV) in 3D space where the UAVs are part of a swarm and communicate with each other through orthogonal time-frequency space (OTFS) modulated signals. The OTFS…

Information Theory · Computer Science 2025-02-18 Alessandro Nordio , Carla Fabiana Chiasserini , Emanuele Viterbo