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We propose a novel Wasserstein method with a distillation mechanism, yielding joint learning of word embeddings and topics. The proposed method is based on the fact that the Euclidean distance between word embeddings may be employed as the…

机器学习 · 计算机科学 2018-09-14 Hongteng Xu , Wenlin Wang , Wei Liu , Lawrence Carin

Future wireless access networks need to support diversified quality of service (QoS) metrics required by various types of Internet-of-Things (IoT) devices, e.g., age of information (AoI) for status generating sources and ultra low latency…

信息论 · 计算机科学 2019-03-07 Zhiyuan Jiang , Sheng Zhou , Zhisheng Niu

In this paper, we propose a radio-based passive target tracking algorithm using multipath measurements, including the angle of arrival and relative distance. We focus on a scenario in which a mobile receiver continuously receives radio…

信号处理 · 电气工程与系统科学 2024-11-08 Ke Xu , Rui Zhang , He , Chen

A crucial challenge in decentralized systems is state estimation in the presence of unknown inputs, particularly within heterogeneous sensor networks with dynamic topologies. While numerous consensus algorithms have been introduced, they…

系统与控制 · 电气工程与系统科学 2024-12-13 Zida Wu , Ankur Mehta

Unsourced random access (URA) is a recently proposed multiple access paradigm tailored to the uplink channel of machine-type communication networks. By exploiting a strong connection between URA and compressed sensing, the massive multiple…

Multiparty Session Types (MPSTs) offer a structured way of specifying communication protocols and guarantee relevant communication properties, such as deadlock-freedom. In this paper, we extend a minimal MPST system with quantum data and…

编程语言 · 计算机科学 2024-09-18 Ivan Lanese , Ugo Dal Lago , Vikraman Choudhury

We consider unsourced random access (uRA) in user-centric cell-free (CF) wireless networks, where random access users send codewords from a common codebook during specifically dedicated random access channel (RACH) slots. The system is…

信息论 · 计算机科学 2024-08-16 Eleni Gkiouzepi , Burak Çakmak , Manfred Opper , Giuseppe Caire

Having timely and fresh knowledge about the current state of information sources is critical in a variety of applications. In particular, a status update may arrive at the destination much later than its generation time due to processing…

信息论 · 计算机科学 2019-06-14 Alireza Javani , Marwen Zorgui , Zhiying Wang

Digital control has become increasingly prevalent in modern systems, making continuous-time plants controlled by discrete-time (digital) controllers ubiquitous and crucial across industries, including aerospace, automotive, and…

系统与控制 · 电气工程与系统科学 2023-10-10 Taoran Wu , Dejin Ren , Shuyuan Zhang , Lei Wang , Bai Xue

In a wireless sensor network, data from various sensors are gathered to estimate the system-state of the process system. However, adversaries aim at distorting the system-state estimate, for which they may infiltrate sensors or position…

信息论 · 计算机科学 2022-08-15 Stefan Roth , Aydin Sezgin , Roman Bessel , H. Vincent Poor

In this paper, we investigate communication strategies for the multiple access channel with feedback and correlated sources (MACFCS). The MACFCS models a wireless sensor network scenario in which sensors distributed throughout an arbitrary…

信息论 · 计算机科学 2010-04-15 Lawrence Ong , Mehul Motani

A waveform channel is considered where the transmitted signal is corrupted by Wiener phase noise and additive white Gaussian noise (AWGN). A discrete-time channel model is introduced that is based on a multi-sample receiver. Tight lower…

信息论 · 计算机科学 2013-03-28 Hassan Ghozlan , Gerhard Kramer

We consider the problem of determining the mixed quantum state of a large but finite number of identically prepared quantum systems from data obtained in a sequence of ideal (von Neumann) measurements, each performed on an individual copy…

量子物理 · 物理学 2009-11-10 Franz Embacher , Heide Narnhofer

This paper addresses the problem of decentralized state-tracking in the presence of sensor attacks. We consider a network of nodes where each node has the objective of tracking the state of a linear dynamical system based on its…

系统与控制 · 电气工程与系统科学 2021-09-20 Yanwen Mao , Paulo Tabuada

This letter considers two groups of source nodes. Each group transmits packets to its own designated destination node over single-hop links and via a cluster of relay nodes shared by both groups. In an effort to boost reliability without…

信息论 · 计算机科学 2022-03-08 Amjad Saeed Khan , Ioannis Chatzigeorgiou

A generalization of quantum broadcasting protocol is presented. Here the goal is to copy an unknown input state into two subsystems which partially overlap. We show that the possibility of implementing these protocols strongly depends upon…

量子物理 · 物理学 2008-07-10 V. Giovannetti , A. S. Holevo

Target-oriented discovery under limited evaluation budgets requires making reliable progress in high-dimensional, heterogeneous design spaces where each new measurement is costly, whether experimental or high-fidelity simulation. We present…

机器学习 · 计算机科学 2026-02-04 Yixuan Zhang , Zhiyuan Li , Weijia He , Mian Dai , Chen Shen , Teng Long , Hongbin Zhang

We present an asynchronous calculus for multiparty sessions with mixed choice, which extends the Simple MultiParty Session framework in order to support nondeterministic choices with both input and output prefixes. Global types -- equipped…

计算机科学中的逻辑 · 计算机科学 2026-04-09 Franco Barbanera , Mariangiola Dezani-Ciancaglini

We consider the distributed channel access problem for a system consisting of multiple control subsystems that close their loop over a shared wireless network. We propose a distributed method for providing deterministic channel access…

系统与控制 · 电气工程与系统科学 2024-10-28 Tahmoores Farjam , Henk Wymeersch , Themistoklis Charalambous

We consider a two-user state-dependent multiaccess channel in which only one of the encoders is informed, non-causally, of the channel states. Two independent messages are transmitted: a common message transmitted by both the informed and…

信息论 · 计算机科学 2016-11-18 Abdellatif Zaidi , Shiva Prasad Kotagiri , J. Nicholas Laneman , Luc Vandendorpe