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Inspired by several delay-bounded mission-critical applications, this paper investigates chase-combining-based hybrid automatic repeat request (CC-HARQ) protocols to achieve high reliability in delay-constrained applications. A salient…

信息论 · 计算机科学 2023-01-24 Jaya Goel , J. Harshan

In multi-robot systems (MRS), cooperative localization is a crucial task for enhancing system robustness and scalability, especially in GPS-denied or communication-limited environments. However, adversarial attacks, such as sensor…

机器人学 · 计算机科学 2025-07-10 Tohid Kargar Tasooji , Ramviyas Parasuraman

This paper presents a new integrated sensing and communication (ISAC) framework, leveraging the recent advancements of reconfigurable distributed antenna and reflecting surface (RDARS). RDARS is a programmable surface structure comprising…

信息论 · 计算机科学 2024-01-11 Pingping Zhang , Jintao Wang , Yulin Shao , Shaodan Ma

Low-Earth-orbit (LEO) satellites assist observation satellites (OSs) to compress and backhaul more time-determined images (TDI) has become a new paradigm, which is used to enhance the timeout caused by the limited computing resources of…

系统与控制 · 电气工程与系统科学 2025-10-13 Chongxiao Cai , Yan Zhu , Min Sheng , Jiandong Li , Yan Shi , Di Zhou , Ziwen Xie , Chen Zhang

In the past few years, deep learning (DL) techniques have been introduced for designing sparse arrays. These methods offer the advantages of feature engineering and low prediction-stage complexity, which is helpful in tackling the…

信号处理 · 电气工程与系统科学 2023-08-10 Kumar Vijay Mishra , Ahmet M. Elbir , Koichi Ichige

This paper investigates the downlink communications of intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) systems. To maximize the system throughput, we formulate a joint optimization problem over the…

信息论 · 计算机科学 2020-02-06 Jiakuo Zuo , Yuanwei Liu , Zhijin Qin , Naofal Al-Dhahir

This work presents joint iterative power allocation and interference suppression algorithms for spread spectrum networks which employ multiple hops and the amplify-and-forward cooperation strategy for both the uplink and the downlink. We…

信息论 · 计算机科学 2013-01-03 Rodrigo C. de Lamare

Joint radar and communication (RadCom) systems have been proposed to integrate radar and communication into one platform and achieve spectrum sharing in recent years. However, the joint RadCom systems cause the clutter modulation and the…

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

Optimal resource allocation (RA) in massive carrier aggregation scenarios is a challenging combinatorial optimization problem whose dimension is proportional to the number of users, component carriers (CCs), and OFDMA resource blocks per…

信息论 · 计算机科学 2017-06-19 Stelios Stefanatos , Fotis Foukalas , Theodoros A. Tsiftsis

Millimeter-wave (mmWave) communication plays a vital role to efficiently disseminate large volumes of data in beyond-5G networks. Unfortunately, the directionality of mmWave communication significantly complicates efficient data…

网络与互联网体系结构 · 计算机科学 2019-07-31 Gek Hong , Sim , Mahdi Mousavi , Lin Wang , Anja Klein , Matthias Hollick

Point-to-multipoint communications are expected to play a pivotal role in next-generation networks. This paper refers to a cellular system transmitting layered multicast services to a multicast group of users. Reliability of communications…

信息论 · 计算机科学 2016-11-17 Andrea Tassi , Ioannis Chatzigeorgiou , Daniel E. Lucani

This work considers the orthogonal frequency division multiple access (OFDMA) technology that enables multiple unmanned aerial vehicles (multi-UAV) communication systems to provide on-demand services. The main aim of this work is to derive…

信号处理 · 电气工程与系统科学 2023-04-26 Asad Mahmood , Thang X. Vu , Shree Krishna Sharma , Symeon Chatzinotas , Björn Ottersten

In this paper, a deep learning (DL) framework for the optimization of the resource allocation in multi-channel cellular systems with device-to-device (D2D) communication is proposed. Thereby, the channel assignment and discrete transmit…

信息论 · 计算机科学 2020-11-26 Woongsup Lee , Robert Schober

Resource reservation is an essential step to enable wireless data networks to support a wide range of user demands. In this paper, we consider the problem of joint resource reservation in the backhaul and Radio Access Network (RAN) based on…

信号处理 · 电气工程与系统科学 2021-02-24 Navid Reyhanian , Hamid Farmanbar , Zhi-Quan Luo

This paper investigates node deployment strategies for robust multi-node cooperative localization in integrated sensing and communication (ISAC) networks.We first analyze how steering vector correlation across different positions affects…

信号处理 · 电气工程与系统科学 2026-01-06 Haojin Li , Kaiqian Qu , Chen Sun , Anbang Zhang , Xiaoxue Wang , Wenqi Zhang , Haijun Zhang

The dual-function radar communication (DFRC) is an essential technology in Internet of Vehicles (IoV). Consider that the road-side unit (RSU) employs the DFRC signals to sense the vehicles' position state information (PSI), and communicates…

信号处理 · 电气工程与系统科学 2022-03-22 Pengzun Gao , Long Zhao , Kan Zheng , Pingzhi Fan

As radio-frequency (RF) antenna, component and processing capabilities increase, the ability to perform multiple RF system functions from a common aperture is being realized. Conducting both radar and communications from the same system is…

信号处理 · 电气工程与系统科学 2022-03-21 Jacob Pritzker , James Ward , Yonina C. Eldar

The concept of cognitive radar (CR) enables radar systems to achieve intelligent adaption to a changeable environment with feedback facility from receiver to transmitter. However, the implementation of CR in a fast-changing environment…

信号处理 · 电气工程与系统科学 2021-10-08 Pengfei Liu , Yimin Liu , Tianyao Huang , Yuxiang Lu , Xiqin Wang

This work investigates online learning techniques for a cognitive radar network utilizing feedback from a central coordinator. The available spectrum is divided into channels, and each radar node must transmit in one channel per time step.…

系统与控制 · 电气工程与系统科学 2023-04-25 William W. Howard , R. Michael Buehrer

The rapid evolution of mobile edge computing (MEC) has introduced significant challenges in optimizing resource allocation in highly dynamic wireless communication systems, in which task offloading decisions should be made in real-time.…

信号处理 · 电气工程与系统科学 2024-12-31 Runtao Ren , Yinyu Wu , Xuhui Zhang , Jinke Ren , Yanyan Shen , Shuqiang Wang , Kim-Fung Tsang