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In the next generation wireless networks, lowlatency communication is critical to support emerging diversified applications, e.g., Tactile Internet and Virtual Reality. In this paper, a novel blind demixing approach is developed to reduce…

信息论 · 计算机科学 2018-12-07 Jialin Dong , Kai Yang , Yuanming Shi

This paper studies the transmit beamforming in a downlink integrated sensing and communication (ISAC) system, where a base station (BS) equipped with a uniform linear array (ULA) sends combined information-bearing and dedicated radar…

信息论 · 计算机科学 2023-03-28 Haocheng Hua , Jie Xu , Tony Xiao Han

We investigate the problem of reconstructing signals from a subsampled convolution of their modulated versions and a known filter. The problem is studied as applies to specific imaging systems relying on spatial phase modulation by randomly…

信息论 · 计算机科学 2016-03-23 Sohail Bahmani , Justin Romberg

Image deblurring aims to restore the latent sharp images from the corresponding blurred ones. In this paper, we present an unsupervised method for domain-specific single-image deblurring based on disentangled representations. The…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Boyu Lu , Jun-Cheng Chen , Rama Chellappa

This paper presents a geometric analysis of the simultaneous blind deconvolution and phase retrieval (BDPR) problem via a structured low-rank tensor recovery framework. Due to the highly complicated structure of the associated sensing…

信号处理 · 电气工程与系统科学 2025-09-16 Xiao Liang , Zhen Qin , Zhihui Zhu , Shuang Li

Communications in dispersive direct-sequence code-division multiple-access (DS-CDMA) channels suffer from intersymbol and multiple-access interference, which can significantly impair performance. Joint maximum \textit{a posteriori}…

信息论 · 计算机科学 2007-07-13 Husheng Li , H. V. Poor

As wireless communication applications evolve from traditional multipath environments to high-mobility scenarios like unmanned aerial vehicles, multiplexing techniques have advanced accordingly. Traditional single-carrier frequency-domain…

信息论 · 计算机科学 2026-01-15 Lei Liu , Yuhao Chi , Shunqi Huang , Zhaoyang Zhang

A promising waveform candidate for future joint sensing and communication systems is orthogonal frequencydivision multiplexing (OFDM). For such systems, supporting multiple transmit antennas requires multiplexing methods for the generation…

信息论 · 计算机科学 2023-03-23 Oliver Lang , Christian Hofbauer , Reinhard Feger , Mario Huemer

In this paper, a fresh procedure to handle image mixtures by means of blind signal separation relying on a combination of second order and higher order statistics techniques are introduced. The problem of blind signal separation is…

计算机视觉与模式识别 · 计算机科学 2016-03-29 Felipe P. do Carmo , Joaquim T. de Assis , Vania V. Estrela , Alessandra M. Coelho

Blind deconvolution is an ubiquitous non-linear inverse problem in applications like wireless communications and image processing. This problem is generally ill-posed, and there have been efforts to use sparse models for regularizing blind…

信息论 · 计算机科学 2019-04-09 Sunav Choudhary , Urbashi Mitra

We consider the problem of robust deconvolution, and particularly the recovery of an unknown deterministic signal convolved with a known filter and corrupted by additive noise. We present a novel, non-iterative data-driven approach.…

信号处理 · 电气工程与系统科学 2021-11-04 Amir Weiss , Boaz Nadler

Designing Doppler-resilient unimodular discrete phase-coded waveforms (DPWs) with low delay-Doppler sidelobes is critical for multiple-input multiple-output (MIMO) radar. Existing block coordinate descent (BCD) methods suffer from high…

信号处理 · 电气工程与系统科学 2026-04-29 Junpeng Ma , Yuke Li , Junbo Wang , Yongxing Zhou

In this paper we study the identification of a time-varying linear system from its response to a known input signal. More specifically, we consider systems whose response to the input signal is given by a weighted superposition of delayed…

信息论 · 计算机科学 2021-01-11 Reinhard Heckel , Veniamin I. Morgenshtern , Mahdi Soltanolkotabi

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

The following paper introduces a novel integrated sensing and communication (ISAC) scenario termed hybrid radar fusion. In this setting, the dual-functional radar and communications (DFRC) base station (BS) acts as a mono-static radar in…

信号处理 · 电气工程与系统科学 2024-01-19 Akhileswar Chowdary , Ahmad Bazzi , Marwa Chafii

Recently, dual-function radar communication (DFRC) systems have been proposed to integrate radar and communication into one platform for spectrum sharing. Various signalling strategies have been proposed to embed communication information…

信号处理 · 电气工程与系统科学 2023-11-14 Jifa Zhang

This paper presents a performance analysis of the MUltiple SIgnal Classification (MUSIC) algorithm applied on $D$ dimensional single-snapshot spectral estimation while $s$ true frequencies are located on the continuum of a bounded domain.…

信息论 · 计算机科学 2016-11-17 Wenjing Liao

Dual-function radar-communication (DFRC) systems, which can efficiently utilize the congested spectrum and costly hardware resources by employing one common waveform for both sensing and communication (S&C), have attracted increasing…

信息论 · 计算机科学 2022-08-08 Zichao Xiao , Rang Liu , Ming Li , Yang Liu , Qian Liu

We investigate cooperative radar and communications signaling. While each system typically considers the other system a source of interference, by considering the radar and communications operations to be a single joint system, the…

信息论 · 计算机科学 2016-11-15 Daniel W. Bliss

In this paper, we focus on the problem of blind joint calibration of multiband transceivers and time-delay (TD) estimation of multipath channels. We show that this problem can be formulated as a particular case of covariance matching.…

信号处理 · 电气工程与系统科学 2020-03-25 Tarik Kazaz , Mario Coutino , Gerard J. M. Janssen , Alle-Jan van der Veen