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This paper investigates the transmit beamforming design for multiple-input multiple-output systems to support both multi-target localization and multi-user communications. To enhance the target localization performance, we derive the…

Signal Processing · Electrical Eng. & Systems 2025-01-14 Bo Tang , Da Li , Wenjun Wu , Astha Saini , Prabhu Babu , Petre Stoica

Constant modulus sequence set with low peak side-lobe level is a necessity for enhancing the performance of modern active sensing systems like Multiple Input Multiple Output (MIMO) RADARs. In this paper, we consider the problem of designing…

Signal Processing · Electrical Eng. & Systems 2020-09-08 Surya Prakash Sankuru , R Jyothi , Prabhu Babu , Mohammad Alaee-Kerahroodi

This paper optimizes the beamforming design of a downlink multiple-input multiple-output (MIMO) dual-function radar-communication (DFRC) system to maximize the weighted communication sum-rate under a prescribed transmit covariance…

Signal Processing · Electrical Eng. & Systems 2023-09-18 Chenhao Yang , Xin Wang , Wei Ni , Yi Jiang

Broad beam beamforming (BF) design in multiple-input multiple-output (MIMO) can be convenient for initial access, synchronization, and sensing capabilities in cellular networks by avoiding overheads of sweeping methods while making…

Signal Processing · Electrical Eng. & Systems 2025-08-05 Ahmet Kaplan , Diana P. M. Osorio , Erik G. Larsson

Future wireless communication systems are expected to explore spectral bands typically used by radar systems, in order to overcome spectrum congestion of traditional communication bands. Since in many applications radar and communication…

Signal Processing · Electrical Eng. & Systems 2020-08-26 Xiang Liu , Tianyao Huang , Nir Shlezinger , Yimin Liu , Jie Zhou , Yonina C. Eldar

In this paper, we investigate the optimization problem of joint source and relay beamforming matrices for a twoway amplify-and-forward (AF) multi-input multi-output (MIMO) relay system. The system consisting of two source nodes and two…

Information Theory · Computer Science 2015-02-18 Wei Duan , Wei Song , Moon Ho Lee

This paper proposes an interleaved transceiver design method for a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system utilizing orthogonal frequency division multiplexing (OFDM) waveforms. We consider a…

Signal Processing · Electrical Eng. & Systems 2025-08-15 Yating Chen , Cai Wen , Yan Huang , Jinye Peng , Wei Hong , Timothy N. Davidson

In this paper, we formulate the precoding problem of integrated sensing and communication (ISAC) waveform as a non-convex quadratically constrainted quadratic program (QCQP), in which the weighted sum of communication multi-user…

Signal Processing · Electrical Eng. & Systems 2024-02-13 Yating Chen , Cai Wen , Yan Huang , Le Liang , Jie Li , Hui Zhang , Wei Hong

Programmable metasurfaces promise a great potential to construct low-cost phased array systems due to the capability of elaborate modulation over electromagnetic (EM) waves. However, they are in either reflective or transmissive mode, and…

Signal Processing · Electrical Eng. & Systems 2024-12-09 Xudong Bai , Longpan Wang , Yuhua Chen , Xilong Lu , Fuli Zhang , Jingfeng Chen , Wen Chen , He-Xiu Xu

Hybrid beamforming is considered a key enabler to realize millimeter wave (mmWave) multiple-input multiple-output (MIMO) communications due to its capability of considerably reducing the number of costly and power-hungry radio frequency…

Signal Processing · Electrical Eng. & Systems 2021-08-25 Mengyuan Ma , Nhan Thanh Nguyen , Markku Juntti

In this paper, we investigate a unified linear transceiver design with mean-square-error (MSE) as the objective function for a wide range of wireless systems. The unified design is based on an elegant mathematical programming technology…

Information Theory · Computer Science 2013-01-10 Chengwen Xing , Zesong Fei , Shaodan Ma , Jingming Kuang , Yik-Chung Wu

Conventional sensing applications rely on electromagnetic far-field channel models with plane wave propagation. However, recent ultra-short-range automotive radar applications at upper millimeter-wave or low terahertz (THz) frequencies…

Signal Processing · Electrical Eng. & Systems 2023-03-09 Arian Eamaz , Farhang Yeganegi , Kumar Vijay Mishra , Mojtaba Soltanalian

In this letter, we consider hybrid beamforming for millimeter wave (mmWave) MIMO integrated sensing and communications (ISAC). We design the transmit beam of a dual-functional radar-communication (DFRC) base station (BS), aiming at…

Signal Processing · Electrical Eng. & Systems 2022-03-15 Chenhao Qi , Wei Ci , Jinming Zhang , Xiaohu You

We address the problem of linear precoder (beamformer) design in a multiple-input multiple-output interference channel (MIMO-IC). The aim is to design the transmit covariance matrices in order to achieve max-min utility fairness for all…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Mohammad Mahdi Naghsh , Maryam Masjedi , Arman Adibi , Petre Stoica

We consider a radar architecture where an illuminator composed of few sources is used as a feeder for a (passive) reconfigurable intelligent surface (RIS), so as to mimic the behavior of a multiple-input multiple-output (MIMO) radar…

Signal Processing · Electrical Eng. & Systems 2023-05-12 Emanuele Grossi , Luca Venturino

Recently proposed multiple input multiple output radars based on matrix completion (MIMO-MC) employ sparse sampling to reduce the amount of data that need to be forwarded to the radar fusion center, and as such enable savings in…

Information Theory · Computer Science 2016-08-24 Bo Li , Athina P. Petropulu , Wade Trappe

This paper investigates target localization using a multistatic multiple-input multiple-output (MIMO) radar system with two distinct coprime array configurations: coprime L-shaped arrays and coprime planar arrays. The observed signals are…

Signal Processing · Electrical Eng. & Systems 2025-05-29 Guo-Zhao Liao , Xiao-Feng Gong , Wei Liu , Hing Cheung So

Pilot contamination is a limiting factor in multicell massive multiple-input multiple-output (MIMO) systems because it can severely impair channel estimation. Prior works have suggested coordinating pilot design across cells in order to…

Information Theory · Computer Science 2020-08-13 Kaiming Shen , Hei Victor Cheng , Xihan Chen , Yonina C. Eldar , Wei Yu

We present a compressive radar design that combines multitone linear frequency modulated (LFM) waveforms in the transmitter with a classical stretch processor and sub-Nyquist sampling in the receiver. The proposed compressive illumination…

Information Theory · Computer Science 2022-04-13 Nithin Sugavanam , Siddharth Baskar , Emre Ertin

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