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This article introduces a bistatic joint radar-communication (RadCom) system based on orthogonal frequency-division multiplexing (OFDM). In this context, the adopted OFDM frame structure is described and system model encompassing time,…

Signal Processing · Electrical Eng. & Systems 2023-05-25 Lucas Giroto de Oliveira , David Brunner , Axel Diewald , Charlotte Muth , Laurent Schmalen , Thomas Zwick , Benjamin Nuss

In this paper, we derive the information theoretic performance bounds on communication data rates and errors in parameter estimation, for a joint radar and communication (JRC) system. We assume that targets are semi-passive, i.e. they use…

Information Theory · Computer Science 2021-07-08 Ganesan Thiagarajan , Sanjeev Gurugopinath

Despite the millimeter wave technology fulfills the low-latency and high data transmission, it will cause severe Doppler Frequency Shift (DFS) for high-speed vehicular network, which tremendously damages the communication performance. In…

Signal Processing · Electrical Eng. & Systems 2023-10-12 Jinzhu Jia , Zhiqing Wei , Ruiyun Zhang , Lin Wang

In this study, we propose index modulation (IM) with circularly-shifted chirps (CSCs) (CSC-IM) for dual-function radar and communication (DFRC) systems. The proposed scheme encodes the information bits with the CSC indices and the…

Signal Processing · Electrical Eng. & Systems 2021-09-29 Alphan Sahin , Safi Shams Muhtasimul Hoque , Chao-Yu Chen

We address target detection in a single Delay-Doppler cell using spatially distributed two-channel passive radars. An unknown illuminator of opportunity (IO) is assumed to emit a waveform lying in a known low-dimensional subspace (e.g.,…

Signal Processing · Electrical Eng. & Systems 2025-10-03 Nandan Sriranga , Haodong Yang , Venkata Gandikota , Pramod K. Varshney

In this paper, a low-cost monopulse receiver with an enhanced direction of arrival (DoA) estimation accuracy via deep neural network (DNN) is proposed. The entire system is composed of a 4-element patch array, a fully planar symmetrical…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Hanxiang Zhang , Saeed Zolfaghary Pour , Hao Yan , Powei Liu , Bayaner Arigong

Intelligent reflecting surface (IRS) technology has recently attracted a significant interest in non-light-of-sight radar remote sensing. Prior works have largely focused on designing single IRS beamformers for this problem. For the first…

Information Theory · Computer Science 2023-03-14 Zahra Esmaeilbeig , Arian Eamaz , Kumar Vijay Mishra , Mojtaba Soltanalian

This paper investigates dynamic hybrid beamforming (HBF) for a dual-function radar-communication (DFRC) system, where the DFRC base station (BS) simultaneously serves multiple single-antenna users and senses a target in the presence of…

Signal Processing · Electrical Eng. & Systems 2023-09-15 Bowen Wang , Hongyu Li , Ziyang Cheng

Passive and bistatic radar systems are often limited by strong clutter and direct-path interference that mask weak moving targets. Conventional cancellation methods such as the extensive cancellation algorithm require careful tuning and can…

Optimization and Control · Mathematics 2026-01-01 Yifan He , Griffin Kearney , Makan Fardad

Motivated by automotive applications, we consider joint radar sensing and data communication for a system operating at millimeter wave (mmWave) frequency bands, where a Base Station (BS) is equipped with a co-located radar receiver and…

Signal Processing · Electrical Eng. & Systems 2022-07-13 Saeid K. Dehkordi , Lorenzo Gaudio , Mari Kobayashi , Giuseppe Caire , Giulio Colavolpe

In this paper, we propose a multiple input multiple output (MIMO) Full-Duplex Integrated Sensing and Communication System consisting of multiple targets, a single downlink, and a single uplink user. We employed signal-to-interference plus…

Signal Processing · Electrical Eng. & Systems 2023-12-19 Muhammad Talha , Besma Smida , Md Atiqul Islam , George C. Alexandropoulos

In millimeter-wave (mmWave) dual-function radar-communication (DFRC) systems, hybrid beamforming (HBF) is recognized as a promising technique utilizing a limited number of radio frequency chains. In this work, in the presence of extended…

Signal Processing · Electrical Eng. & Systems 2022-11-07 Ziyang Cheng , Linlong Wu , Bowen Wang , Bhavani Shankar M. R. , Björn Ottersten

With the use of common signaling methods for dual-function radar-communications (DFRC) systems, the susceptibility of eavesdropping on messages aimed at legitimate users has worsened. For DFRC systems, the radar target may act as an…

Information Theory · Computer Science 2022-01-25 Kumar Vijay Mishra , Arpan Chattopadhyay , Siddharth Sankar Acharjee , Athina P. Petropulu

This paper proposes block-level precoder (BLP) designs for a multi-input single-output (MISO) system that performs joint sensing and communication across multiple cells and users. The Cramer-Rao-Bound for estimating a target's azimuth angle…

Information Theory · Computer Science 2024-02-29 Nithin Babu , Christos Masouros

In this work we examine blind adaptive and iterative decision feedback (DF) receivers for direct sequence code division multiple access (DS-CDMA) systems in frequency selective channels. Code-constrained minimum variance (CMV) and constant…

Information Theory · Computer Science 2013-01-23 Rodrigo C. de Lamare , Raimundo Sampaio-Neto

Dual-function-radar-communication (DFRC) is a promising candidate technology for next-generation networks. By integrating hybrid analog-digital (HAD) beamforming into a multi-user millimeter-wave (mmWave) DFRC system, we design a new…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Xin Jin , Tiejun Lv , Wei Ni , Zhipeng Lin , Qiuming Zhu , Ekram Hossain , H. Vincent Poor

Millimeter-wave (mmWave) OFDM radar equipped with rainbow beamforming, enabled by phase-time arrays (PTAs), provides wide-angle coverage and is well-suited for fast real-time target detection and tracking. However, accurate detection of…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Qiushi Liang , Yeyue Cai , Jianhua Mo , Meixia Tao

In this study, we analyze index modulation (IM) based on circularly-shifted chirps (CSCs) for dual-function radar & communication (DFRC) systems. We develop a maximum likelihood (ML) range estimator that considers multiple scatters. To…

Signal Processing · Electrical Eng. & Systems 2020-10-08 Safi Shams Muhtasimul Hoque , Alphan Sahin

Symbol-level precoding (SLP) is a promising solution for addressing the inherent interference problem in dual-functional radar-communication (DFRC) signal designs. This paper considers an SLP-DFRC signal design problem which optimizes the…

Signal Processing · Electrical Eng. & Systems 2025-04-22 Ly V. Nguyen , Rang Liu , Nhan Thanh Nguyen , Markku Juntti , Björn Ottersten , A. Lee Swindlehurst

A hybrid transmit precoder (TPC) and receive combiner (RC) pair is conceived for millimeter wave (mmWave) multiple input multiple output (MIMO) integrated sensing and communication (ISAC) systems. The proposed design considers a practical…

Signal Processing · Electrical Eng. & Systems 2025-06-06 Jitendra Singh , Anand Mehrotra , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo