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An important problem in cognitive radar is to enhance the estimation performance of the system by a joint design of its probing signal and receive filter using the a priori information on interference. In such cases, the knowledge of…

Signal Processing · Electrical Eng. & Systems 2022-08-10 Arindam Bose , Aria Ameri , Mojtaba Soltanalian

Commercial automotive radars used today are based on frequency modulated continuous wave signals due to the simple and robust detection method and good accuracy. However, the increase in both the number of radars deployed per vehicle and…

Signal Processing · Electrical Eng. & Systems 2019-10-11 Canan Aydogdu , Nil Garcia , Lars Hammarstrand , Henk Wymeersch

This paper investigates the problem of joint subcarrier and power allocation in the coexistence of radar and multi-user communication systems. Specifically, in our research scenario, the base station (BS) provides information transmission…

Information Theory · Computer Science 2023-08-23 Jia Zhu , Yifeng Xiong , Junsheng Mu , Ronghui Zhang , Xiaojun Jing

In dual-function radar-communication (DFRC) systems the probing signal contains information intended for the communication users, which makes that information vulnerable to eavesdropping by the targets. We study the security of a DFRC…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Yi-Kai Li , Athina Petropulu

Orthogonal frequency division multiplexing (OFDM) has been widely recognized as the representative waveform for 5G wireless networks, which can directly support sensing/positioning with existing infrastructure. To guarantee superior…

Signal Processing · Electrical Eng. & Systems 2024-03-21 Fan Zhang , Tianqi Mao , Ruiqi Liu , Zhu Han , Sheng Chen , Zhaocheng Wang

This paper considers joint beamformer design towards maximizing the mutual information in a coherent wireless sensor network with noisy observation and multiple antennae. Leveraging the weighted minimum mean square error and block…

Information Theory · Computer Science 2015-11-12 Yang Liu , Jing Li , Xuanxuan Lu

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

Dual function radar communication (DFRC) systems can achieve significant improvements in spectrum efficiency, system complexity and energy efficiency, and are attracting a lot of attention for next generation wireless system design. This…

Signal Processing · Electrical Eng. & Systems 2022-04-20 Zhaoyi Xu , Athina P. Petropulu

The integrated sensing and communication (ISAC) system under multi-input multi-output (MIMO) architecture achieves dual functionalities of sensing and communication on the same platform by utilizing spatial gain, which provides a feasible…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Yangyang Niu , Zhiqing Wei , Dingyou Ma , Xiaoyu Yang , Huici Wu , Zhiyong Feng , Jianhua Yuan

In this paper, the problems of simultaneously detecting and localizing multiple targets are considered for noncoherent multiple-input multiple-output (MIMO) radar with widely separated antennas. By assuming a prior knowledge of target…

Information Theory · Computer Science 2017-01-09 Wei Yi , Tao Zhou , Mingchi Xie , Yue Ai , Rick S. Blum

In this paper, we present our spectrum sharing algorithm between a multi-input multi-output (MIMO) radar and Long Term Evolution (LTE) cellular system with multiple base stations (BS)s. We analyze the performance of MIMO radars in detecting…

Networking and Internet Architecture · Computer Science 2014-08-29 Haya Shajaiah , Ahmed Abdelhadi , Charles Clancy

In this paper, we firstly overview the application scenarios and the research progress in the area of communication and radar spectrum sharing (CRSS). We then propose a novel transceiver architecture and frame structure for a…

Signal Processing · Electrical Eng. & Systems 2019-06-04 Fan Liu , Christos Masouros , Athina Petropulu , Hugh Griffiths , Lajos Hanzo

We address the modeling and optimal beamforming (BF) design for multiple-input multiple-output (MIMO) continuous aperture array (CAPA) systems operating over doubly-dispersive (DD) channels. First, a comprehensive DD continuous MIMO (DDC…

Signal Processing · Electrical Eng. & Systems 2025-09-05 Kuranage Roche Rayan Ranasinghe , Zhaolin Wang , Hyeon Seok Rou , Giuseppe Thadeu Freitas de Abreu , Emil Björnson

It is a fundamental problem to analyse the performance bound of multiple-input multiple-output (MIMO) dual-functional radar-communication (DFRC) systems. To this end, we derive a performance bound on the communication function under a…

Information Theory · Computer Science 2022-11-15 Ziheng Zheng , Xiang Liu , Tianyao Huang , Yimin Liu , Yonina C. Eldar

This letter investigates a downlink multiple input single output (MISO) system based on transmissive reconfigurable metasurface (RMS) transmitter. Specifically, a transmitter design based on a transmissive RMS equipped with a feed antenna…

Information Theory · Computer Science 2021-09-22 Zhendong Li , Wen Chen , Huanqing Cao

Dual-Functional Radar-Communication systems enhance the benefits of communications and radar sensing by jointly implementing these on the same hardware platform and using the common RF resources. An important and latest concern to be…

Information Theory · Computer Science 2022-07-01 Onur Dizdar , Aryan Kaushik , Bruno Clerckx , Christos Masouros

In this paper we study energy efficient joint power allocation and beamforming for coordinated multicell multiuser downlink systems. The considered optimization problem is in a non-convex fractional form and hard to tackle. We propose to…

Information Theory · Computer Science 2013-10-09 He Shiwen , Huang Yongming , Jin Shi , Yang Luxi

We propose a novel approach to enable the coexistence between Multi-Input-Multi-Output (MIMO) radar and downlink multi-user Multi-Input-Single-Output (MU-MISO) communication system. By exploiting the constructive multi-user interference…

Information Theory · Computer Science 2017-05-01 Fan Liu , Christos Masouros , Ang Li , Tharmalingam Ratnarajah , Jianming Zhou

In this paper, we investigate a novel reconfigurable distributed antennas and reflecting surface (RDARS) aided multi-user massive MIMO system with imperfect CSI and propose a practical two-timescale (TTS) transceiver design to reduce the…

Information Theory · Computer Science 2023-12-15 Chengzhi Ma , Jintao Wang , Xi Yang , Guanghua Yang , Wei Zhang , Shaodan Ma

Motivated by future automotive applications, we study the joint target detection and parameter estimation problem using orthogonal time frequency space (OTFS), a digital modulation format robust to time-frequency selective channels.…

Signal Processing · Electrical Eng. & Systems 2020-04-24 Lorenzo Gaudio , Mari Kobayashi , Giuseppe Caire , Giulio Colavolpe
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