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Increasing data traffic demands over wireless spectrum have necessitated spectrum sharing and coexistence between heterogeneous systems such as radar and cellular communications systems. In this context, we specifically investigate the…

Networking and Internet Architecture · Computer Science 2017-04-26 Neelakantan Nurani Krishnan , Ratnesh Kumbhkar , Narayan B. Mandayam , Ivan Seskar , Sastry Kompella

This paper considers the uplink of a massive MIMO communication system using 5G New Radio-compliant multiple access, which is to co-exist with a radar system using the same frequency band. A system model taking into account the…

Information Theory · Computer Science 2020-04-22 Carmen D'Andrea , Stefano Buzzi , Marco Lops

The focus of this paper is on co-existence between a communication system and a pulsed radar sharing the same bandwidth. Based on the fact that the interference generated by the radar onto the communication receiver is intermittent and…

Information Theory · Computer Science 2018-02-14 Le Zheng , Marco Lops , Xiaodong Wang , Emanuele Grossi

In this paper, we consider an underlay radar-massive MIMO spectrum sharing scenario in which massive MIMO base stations (BSs) are allowed to operate outside a circular exclusion zone centered at the radar. Modeling the locations of the…

Networking and Internet Architecture · Computer Science 2019-07-24 Raghunandan M. Rao , Harpeet S. Dhillon , Vuk Marojevic , Jeffrey H. Reed

In this paper we consider an un-cooperative spectrum sharing scenario, wherein a radar system is to be overlaid to a pre-existing wireless communication system. Given the order of magnitude of the transmitted powers in play, we focus on the…

Systems and Control · Electrical Eng. & Systems 2023-04-06 Yinchuan Li , Le Zheng , Marco Lops , Xiaodong Wang

Data traffic demand in cellular networks has been tremendously growing and has led to creating congested RF environment. Accordingly, innovative approaches for spectrum sharing have been proposed and implemented to accommodate several…

Signal Processing · Electrical Eng. & Systems 2017-09-26 Mina Labib , Vuk Marojevic , Anthony F. Martone , Jeffrey H. Reed , Amir I. Zaghloul

This paper examines the separation of wireless communication and radar signals, thereby guaranteeing cohabitation and acting as a panacea to spectrum sensing. First, considering that the channel impulse response was known by the receivers…

Information Theory · Computer Science 2023-02-15 Christantus O. Nnamani , Mathini Sellathurai

In this paper we consider the uplink of a massive MIMO communication system using 5G New Radio-compliant multiple access, which is to co-exist with a radar system using the same frequency band. We propose a system model taking into account…

Information Theory · Computer Science 2018-05-22 Stefano Buzzi , Marco Lops , Carmen D'Andrea , Ciro D'Elia

Integrated sensing and communication (ISAC) is a promising technique to provide sensing services in future wireless networks. Numerous existing works have adopted a monostatic radar architecture to realize ISAC, i.e., employing the same…

Information Theory · Computer Science 2023-05-17 Dongfang Xu , Chang Liu , Shenghui Song , Derrick Wing Kwan Ng

Integrated sensing and communication (ISAC) is expected to play a prominent role among emerging technologies in future wireless communications. In particular, a communication radar coexistence system is degraded significantly by mutual…

Information Theory · Computer Science 2024-04-26 Anastasios Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

The focus of this study is on the spectrum sharing between multiple-input multiple-output (MIMO) communications and co-located MIMO radar systems in multi-path environments. The major challenge is to suppress the mutual interference between…

Information Theory · Computer Science 2023-04-11 Haoyu Zhang , Li Chen , Kaifeng Han , Yunfei Chen , Guo Wei

This paper addresses the problem of channel estimation in multi-cell interference-limited cellular networks. We consider systems employing multiple antennas and are interested in both the finite and large-scale antenna number regimes…

Information Theory · Computer Science 2016-11-15 Haifan Yin , David Gesbert , Miltiades Filippou , Yingzhuang Liu

This paper considers sparse device activity detection for cellular machine-type communications with non-orthogonal signatures using the approximate message passing algorithm. This paper compares two network architectures, massive…

Information Theory · Computer Science 2019-06-25 Zhilin Chen , Foad Sohrabi , Wei Yu

This paper investigates the spectrum sharing between a multiple-input single-output (MISO) secure communication system and a multiple-input multiple-output (MIMO) radar system in the presence of one suspicious eavesdropper. We jointly…

Information Theory · Computer Science 2024-01-29 Peng Liu , Zesong Fei , Xinyi Wang , Zhong Zheng , Xiangnan Li , Jie Xu

The ever-growing number of wireless communication devices and technologies demands spectrum-sharing techniques. Effective coexistence management is crucial to avoid harmful interference, especially with critical systems like nautical and…

Networking and Internet Architecture · Computer Science 2023-10-16 Davide Villa , Daniel Uvaydov , Leonardo Bonati , Pedram Johari , Josep Miquel Jornet , Tommaso Melodia

In this work, we provide a system level analysis of integrated sensing and communication (ISAC) systems, where a setup with a mono-static dual-functional radar communication base station is assumed. We derive the ISAC signal-to-noise ratio…

Signal Processing · Electrical Eng. & Systems 2024-02-06 Roberto Bomfin , Konpal Shaukat Ali , Marwa Chafii

Integrated sensing and communication (ISAC) has been regarded as one of the most promising technologies for future wireless communications. However, the mutual interference in the communication radar coexistence system cannot be ignored.…

Information Theory · Computer Science 2022-01-20 Yinghui He , Yunlong Cai , Hao Mao , Guanding Yu

Tightly integrated low earth orbit (LEO) satellite communications and terrestrial integrated sensing and communication (ISAC) are expected to be key novel aspects of the 6G era. Spectrum sharing between satellite and terrestrial cellular…

Signal Processing · Electrical Eng. & Systems 2025-11-21 Jeongju Jee , Jeffrey G. Andrews

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

Recent research has focused on reconfigurable intelligent surface (RIS)-assisted cell-free systems with the goal of enhancing coverage and lowering the cost of cell-free networks. However, current research makes the assumption that the…

Signal Processing · Electrical Eng. & Systems 2022-07-29 Songjie Yang , Chenfei Xie , Mingwei Wang , Zhongpei Zhang