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Due to the widespread deployment of Global Navigation Satellite Systems (GNSSs) for critical road or urban applications, one of the major challenges to be solved is the provision of integrity to terrestrial environments, so that GNSS may be…

信息论 · 计算机科学 2018-10-15 Daniel Egea-Roca , Gonzalo Seco-Granados , José A. López-Salcedo , H. Vincent Poor

Dual function radar and communication (DFRC) is a promising research direction within integrated sensing and communication (ISAC), improving hardware and spectrum efficiency by merging sensing and communication (S&C) functionalities into a…

信息论 · 计算机科学 2024-08-30 Zhiyuan Yu , Hong Ren , Cunhua Pan , Gui Zhou , Ruizhe Wang , Mengyu Liu , Jiangzhou Wang

In this paper, we utilize tools from stochastic geometry to estimate the interference propagation via reconfigurable intelligent surface (RIS) in the millimeter wave (mmWave, 30-300 GHz) band and specifically on the D band (110-170 GHz).…

信息论 · 计算机科学 2021-07-15 Joonas Kokkoniemi , Markku Juntti

A new algorithm for 3D localization in multiplatform radar networks, comprising one transmitter and multiple receivers, is proposed. To take advantage of the monostatic sensor radiation pattern features, ad-hoc constraints are imposed in…

信号处理 · 电气工程与系统科学 2022-04-06 Augusto Aubry , Paolo Braca , Antonio De Maio , Angela Marino

We demonstrate a real-time implementation of multi-target detection and tracking using 5G New Radio (NR) physical downlink shared channel (PDSCH) waveform with 400 MHz bandwidth at 28 GHz carrier frequency. The hardware platform is built on…

Hybrid transceivers are designed for linear decentralized estimation (LDE) in a mmWave multiple-input multiple-output (MIMO) IoT network (IoTNe). For a noiseless fusion center (FC), it is demonstrated that the MSE performance is determined…

This paper presents adaptive bidirectional minimum mean-square error parameter estimation algorithms for fast-fading channels. The time correlation between successive channel gains is exploited to improve the estimation and tracking…

信息论 · 计算机科学 2015-10-14 P. Clarke , R. C. de Lamare

The positioning accuracy of the mobile laser scanning (MLS) system can reach the level of centimeter under the conditions where GPS works normally. However, in GPS-denied environments this accuracy can be reduced to the decimeter or even…

信号处理 · 电气工程与系统科学 2019-11-04 WI. Liu , Zhixiong Li , Shuaishuai Sun , Reza Malekian , Zhenjun Ma , Weihua Li

Distributed deep learning has recently been attracting more attention in remote sensing (RS) applications due to the challenges posed by the increased amount of open data that are produced daily by Earth observation programs. However, the…

计算机视觉与模式识别 · 计算机科学 2024-01-01 Weiying Xie , Zixuan Wang , Jitao Ma , Daixun Li , Yunsong Li

With the rapid development of China's BeiDou Navigation Satellite System(BDS), the application of real-time precise point positioning (RTPPP) based on BDS has become an active research area in the field of Global Navigation Satellite System…

信号处理 · 电气工程与系统科学 2020-11-30 Xiangchen Lu , Liang Chen , Nan Shen , Lei Wang , Zhenhang Jiao , Ruizhi Chen

A method of near real-time detection and tracking of resident space objects (RSOs) using a convolutional neural network (CNN) and linear quadratic estimator (LQE) is proposed. Advances in machine learning architecture allow the use of…

天体物理仪器与方法 · 物理学 2023-04-14 Jarred Jordan , Daniel Posada , Matthew Gillette , David Zuehlke , Troy Henderson

We consider multi-antenna wireless systems aided by large intelligent surfaces (LIS). LIS presents a new physical layer technology for improving coverage and energy efficiency by intelligently controlling the propagation environment. In…

信号处理 · 电气工程与系统科学 2020-11-17 Neel Kanth Kundu , Matthew R. McKay

In this work, we develop a new iterative turbo receiver for LDPC-coded multi-antenna systems based on semidefinite relaxation (SDR). For a classical turbo receiver, forward error correction (FEC) code is only used at decoder. Nonetheless,…

信息论 · 计算机科学 2018-08-21 Kun Wang , Zhi Ding

Multi-platform radar networks (MPRNs) are an emerging sensing technology due to their ability to provide improved surveillance capabilities over plain monostatic and bistatic systems. The design of advanced detection, localization, and…

信号处理 · 电气工程与系统科学 2023-08-15 Angela Marino , Giovanni Soldi , Domenico Gaglione , Augusto Aubry , Paolo Braca , Antonio De Maio , Peter Willett

Reliable estimation of users' channels and data in rapidly time varying fading environments is a very challenging task of multiuser detection (MUD) techniques that promise impressive capacity gains for interference limited systems such as…

信息论 · 计算机科学 2012-05-15 Indu L. Shakya , Falah H. Ali

In this paper, we investigate methods for interference location in satellite communication system using satellite multi-beam antenna with subspace based schemes. A novel MUSIC based approach is proposed for estimating the direction of…

信息论 · 计算机科学 2014-10-02 Ramoni Adeogun

Machine learning (ML) starts to be widely used to enhance the performance of multi-user multiple-input multiple-output (MU-MIMO) receivers. However, it is still unclear if such methods are truly competitive with respect to conventional…

信息论 · 计算机科学 2021-07-01 Mathieu Goutay , Fayçal Ait Aoudia , Jakob Hoydis , Jean-Marie Gorce

Reconfigurable intelligent surface (RIS) is a promising technique to improve the performance of future wireless communication systems at low energy consumption. To reap the potential benefits of RIS-aided beamforming, it is vital to enhance…

信息论 · 计算机科学 2024-04-01 Zhenyao He , Jindan Xu , Hong Shen , Wei Xu , Chau Yuen , Marco Di Renzo

The acquisition of channel state information (CSI) is essential in MIMO-OFDM communication systems. Data-aided enhanced receivers, by incorporating domain knowledge, effectively mitigate performance degradation caused by imperfect CSI,…

信息论 · 计算机科学 2025-04-22 Xinjie Li , Jing Zhang , Xingyu Zhou , Chao-Kai Wen , Shi Jin

This work focuses on wideband intelligent reflecting surface (IRS)-aided multiuser MIMO systems. One of the major challenges of this scenario is the joint design of the frequency-dependent base station (BS) precoder and user filters, and…

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