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In this work, we introduce a novel perspective, i.e., dimensional analysis, to address the challenge of communication efficiency in Multi-Agent Reinforcement Learning (MARL). Our findings reveal that simply optimizing the content and timing…

多智能体系统 · 计算机科学 2025-05-20 Chuxiong Sun , Peng He , Rui Wang , Changwen Zheng

By harnessing the delay-Doppler (DD) resource domain, orthogonal time-frequency space (OTFS) substantially improves the communication performance under high-mobility scenarios by maintaining quasi-time-invariant channel characteristics.…

信息论 · 计算机科学 2024-11-18 Jie Chen , Xianbin Wang , Lajos Hanzo

Communication with a spacecraft is typically performed using Radio Frequency (RF). RF is a well-established and well-regulated technology that enables communication over long distances as proven by the Voyager 1 & II missions. However, RF…

天体物理仪器与方法 · 物理学 2017-02-06 Xinchen Guo , Jekan Thangavelautham

To further improve the system capacity for 5G, we explore the integration of non-orthogonal multiple access (NOMA) in mmWave communications (mmWave-NOMA) for future 5G systems. Compared with the conventional NOMA, the distinguishing feature…

信息论 · 计算机科学 2017-09-26 Zhenyu Xiao , Linglong Dai , Zhiguo Ding , Jinho Choi , Pengfei Xia

For the realization of the future urban air mobility, reliable information exchange based on robust and efficient communication between all airspace participants will be one of the key factors to ensure safe operations. Especially in dense…

信号处理 · 电气工程与系统科学 2023-09-19 Dennis Becker , Lukas Schalk

In an increasingly connected and networked world, the National Aeronautics and Space Administration (NASA) recognizes the value of the public as a strategic partner in addressing some of our most pressing challenges. The agency is working…

计算机与社会 · 计算机科学 2018-10-09 Jennifer L Gustetic , Jason Crusan , Steve Rader , Sam Ortega

Communication stands as a potent mechanism to harmonize the behaviors of multiple agents. However, existing works primarily concentrate on broadcast communication, which not only lacks practicality, but also leads to information redundancy.…

多智能体系统 · 计算机科学 2024-01-23 Chuxiong Sun , Zehua Zang , Jiabao Li , Jiangmeng Li , Xiao Xu , Rui Wang , Changwen Zheng

In this paper, a hybrid non-orthogonal multiple access (NOMA) framework for the simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) enhanced cell-edge communication is investigated. Specifically, one…

信息论 · 计算机科学 2023-07-06 Jiayi Lei , Tiankui Zhang , Yuanwei Liu

In time-domain astronomy, we need to use the relational database to manage star catalog data. With the development of sky survey technology, the size of star catalog data is larger, and the speed of data generation is faster. So, in this…

数据库 · 计算机科学 2018-11-28 Chen Yang , Xiaofeng Meng , Zhihui Du , Zhiqiang Duan , Yongjie Du

The NASA Astrophysics Data System (ADS), a critical research service for the astrophysics community, strives to provide the most accessible and inclusive environment for the discovery and exploration of the astronomical literature. Part of…

In the context of sixth-generation (6G) networks, emergency management systems (EMSs) based on wireless communications have recently gained increasing interest. Hereby, fundamentals and open problems of post-disaster communications are…

信号处理 · 电气工程与系统科学 2021-09-29 Maurilio Matracia , Mustafa A. Kishk , Mohamed-Slim Alouini

Distributed decision making in multi-agent networks has recently attracted significant research attention thanks to its wide applicability, e.g. in the management and optimization of computer networks, power systems, robotic teams, sensor…

最优化与控制 · 数学 2018-11-13 Carlo Cenedese , Yu Kawano , Sergio Grammatico , Ming Cao

Advances in Micro-Electro-Mechanical Systems (MEMS) have revolutionized the digital age to a point where animate and inanimate objects can be used as a communication channel. In addition, the ubiquity of mobile phones with increasing…

网络与互联网体系结构 · 计算机科学 2012-10-04 Zhenxin Feng , Kwan-Wu Chin

Artificial intelligence has undergone immense growth and maturation in recent years, though autonomous systems have traditionally struggled when fielded in diverse and previously unknown environments. DARPA is seeking to change that with…

The ongoing exponential growth of computational power, and the growth of the commercial High Performance Computing (HPC) industry, has led to a point where ten commercial systems currently exceed the performance of the highest-used HPC…

天体物理仪器与方法 · 物理学 2025-09-23 Ian Kemp , Steven J Tingay , Stuart Midgley , Daniel Mitchell

The importance of ground Mobile Robots (MRs) and Unmanned Aerial Vehicles (UAVs) within the research community, industry, and society is growing fast. Many of these agents are nowadays equipped with communication systems that are, in some…

机器人学 · 计算机科学 2024-04-04 Daniel Bonilla Licea , Mounir Ghogho , Martin Saska

Electrification turned over a new leaf in aviation by introducing new types of aerial vehicles along with new means of transportation. Addressing a plethora of use cases, drones are gaining attention and increasingly appear in the sky.…

网络与互联网体系结构 · 计算机科学 2021-11-09 Aygün Baltaci , Ergin Dinc , Mustafa Ozger , Abdulrahman Alabbasi , Cicek Cavdar , Dominic Schupke

This paper presents a novel multi-stream downlink communication system that utilizes a transmissive reconfigurable intelligent surface (RIS) transceiver. Specifically, we elaborate the downlink communication scheme using time-modulated…

信号处理 · 电气工程与系统科学 2024-10-07 Zhendong Li , Wen Chen , Haoran Qin , Qingqing Wu , Xusheng Zhu , Ziheng Zhang , Jun Li

A major aspect of the search for extraterrestrial intelligence (SETI) involves searching for electromagnetic transmissions from extraterrestrial sources, often using our own transmissions as a guide. Previous studies have suggested that…

天体物理仪器与方法 · 物理学 2025-08-22 Pinchen Fan , Jason T. Wright , T. Joseph W. Lazio

Reliable low-latency communication is a key requirement for mission-critical and mobile autonomous systems, including teleoperation, autonomous navigation, and real-time uplink-dominant telemetry applications. While commercial 5G networks…