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相关论文: Cloud Radio-Multistatic Radar: Joint Optimization …

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Recent studies investigate single-antenna radio frequency (RF) systems mixed with terahertz (THz) wireless communications. This paper considers a two-tier system of THz for backhaul and multiple-antenna assisted RF for the access network.…

信息论 · 计算机科学 2023-06-21 Pranay Bhardwaj , S. M. Zafaruddin

Cloud radio-access networks (C-RAN) have been proposed as an enabling technology for keeping up with the requirements of next-generation wireless networks. Most existing works on C-RAN consider the uplink or the downlink separately.…

信息论 · 计算机科学 2021-04-14 Mahmoud Hasabelnaby , Anas Chaaban

Optimal allocation of shared resources is key to deliver the promise of jointly operating radar and communications systems. In this paper, unlike prior works which examine synergistic access to resources in colocated joint…

信号处理 · 电气工程与系统科学 2022-03-07 Linlong Wu , Kumar Vijay Mishra , Bhavani Shankar M. R. , Björn Ottersten

This paper studies the performance trade-off in a multi-user backscatter communication (BackCom) system for integrated sensing and communications (ISAC), where the multi-antenna ISAC transmitter sends excitation signals to power multiple…

信息论 · 计算机科学 2024-06-04 Yuanming Tian , Dan Wang , Chuan Huang , Wei Zhang

We consider a colocated MIMO radar scenario, in which the receive antennas forward their measurements to a fusion center. Based on the received data, the fusion center formulates a matrix which is then used for target parameter estimation.…

信息论 · 计算机科学 2018-03-06 Shunqiao Sun , Athina P. Petropulu , Waheed U. Bajwa

This paper proposes a multistatic radar (MSR) system utilizing a distributed wireless synchronization protocol. The wireless synchronization protocol uses a two-tone waveform exchange for frequency synchronization and a bi-directional…

信号处理 · 电气工程与系统科学 2026-03-30 Kumar Sai Bondada , Daniel J. Jakubisin , R. Michael Buehrer

Energy efficiency, possibly coupled with cognition-based and spectrum-sharing architectures, is a key enabling technology for green communications in 5G-and-beyond standards. In this context, the present paper considers a multiple-input…

信号处理 · 电气工程与系统科学 2022-05-12 Emanuele Grossi , Marco Lops , Luca Venturino

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

信息论 · 计算机科学 2023-04-20 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

To alleviate the burdens on the fronthaul and reduce the transmit latency, the device-to-device (D2D) communication is presented in cloud radio access networks (C-RANs). Considering dynamic traffic arrivals and time-varying channel…

信息论 · 计算机科学 2017-09-15 Yitao Mo , Mugen Peng , Hongyu Xiang , Yaohua Sun , Xiaodong Ji

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…

信息论 · 计算机科学 2023-08-23 Jia Zhu , Yifeng Xiong , Junsheng Mu , Ronghui Zhang , Xiaojun Jing

Millimeter-wave (mmWave) radar has emerged as a compact and powerful sensing modality for advanced perception tasks that leverage machine learning. It is particularly effective in scenarios where vision-based sensors fail to capture…

信号处理 · 电气工程与系统科学 2026-02-17 Stefan Hägele , Adam Misik , Eckehard Steinbach

Cloud radio access network (C-RAN) with centralized baseband processing is envisioned as a promising candidate for the next-generation wireless communication network. However, the joint processing gain of C-RAN is fundamentally constrained…

信息论 · 计算机科学 2015-09-23 Liu Liang , Zhang Rui

This paper investigates the effects of coarse quantization with mixed precision on measurements obtained from sparse linear arrays, synthesized by a collaborative automotive radar sensing strategy. The mixed quantization precision…

信号处理 · 电气工程与系统科学 2024-03-14 Arian Eamaz , Farhang Yeganegi , Yunqiao Hu , Mojtaba Soltanalian , Shunqiao Sun

This paper studies joint uplink (UL) and downlink (DL) resource allocation in user-centric orthogonal frequency division multiple access (OFDMA) cloud radio access network (CRAN), where the users select the distributed remote radio heads…

信息论 · 计算机科学 2019-06-21 Zehong Lin , Yuan Liu

This paper considers a downlink transmission of cloud radio access network (C-RAN) in which precoded baseband signals at a common baseband unit are compressed before being forwarded to radio units (RUs) through limited fronthaul capacity…

信息论 · 计算机科学 2017-03-20 Kien-Giang Nguyen , Quang-Doanh Vu , Markku Juntti , Le-Nam Tran

When statistical inversion of a lag profile is used to determine an incoherent scatter target, the posterior variance of the estimated target can be used to determine how well a certain set of transmission codes perform. In this work we…

数据分析、统计与概率 · 物理学 2015-05-13 Juha Vierinen , Markku S. Lehtinen , Mikko Orispaa , Ilkka I. Virtanen

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…

信息论 · 计算机科学 2017-01-09 Wei Yi , Tao Zhou , Mingchi Xie , Yue Ai , Rick S. Blum

In this letter, we consider the coexistence and spectrum sharing between downlink multi-user multiple-input-multiple-output (MU-MIMO) communication and a MIMO radar. For a given performance requirement of the downlink communication system,…

信息论 · 计算机科学 2017-07-04 Fan Liu , Christos Masouros , Ang Li , Tharmalingam Ratnarajah

We study the transmission over a cloud radio access network in which multiple base stations (BS) are connected to a central processor (CP) via finite-capacity backhaul links. We propose two lattice-based coding schemes. In the first scheme,…

信息论 · 计算机科学 2016-03-01 Iñaki Estella Aguerri , Abdellatif Zaidi

Controlling the radar beam-pattern by optimizing the transmit covariance matrix is a well-established approach for performance enhancement in multiple-input-multiple-output (MIMO) radars. In this paper, we investigate the joint optimization…

信号处理 · 电气工程与系统科学 2022-08-10 Arindam Bose , Shahin Khobahi , Mojtaba Soltanalian