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In this paper, we study the moments of the Age of Information (AoI) for both active and passive users in a random access network. In this network, active users broadcast sensing data, while passive users detect in-band radio activities from…

Networking and Internet Architecture · Computer Science 2024-06-04 Siqi Fan , Yuxin Zhong , I-Hong Hou , Clement K Kam

Traditional techniques for handling Byzantine failures are expensive: digital signatures are too costly, while using $3f{+}1$ replicas is uneconomical ($f$ denotes the maximum number of Byzantine processes). We seek algorithms that reduce…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-08-04 M. K. Aguilera , N. Ben-David , R. Guerraoui , D. Papuc , A. Xygkis , I. Zablotchi

Asynchronous Byzantine Atomic Broadcast (ABAB) promises simplicity in implementation as well as increased performance and robustness in comparison to partially synchronous approaches. We adapt the recently proposed DAG-Rider approach to…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-11-17 Marc Leinweber , Hannes Hartenstein

While existing multi-agent systems (MAS) can handle complex problems by enabling collaboration among multiple agents, they are often highly task-specific, relying on manually crafted agent roles and interaction prompts, which leads to…

Multiagent Systems · Computer Science 2026-05-26 Haibo Jin , Peng Kuang , Ye Yu , Xiaopeng Yuan , Haohan Wang

In recent studies [1][13][12] Recurrent Neural Networks were used for generative processes and their surprising performance can be explained by their ability to create good predictions. In addition, data compression is also based on…

Computation and Language · Computer Science 2017-05-03 Juan Andrés Laura , Gabriel Masi , Luis Argerich

We consider the problem of energy-efficient transmission in delay constrained cooperative multihop wireless networks. The combinatorial nature of cooperative multihop schemes makes it difficult to design efficient polynomial-time algorithms…

Optimization and Control · Mathematics 2015-03-18 Marjan Baghaie , Bhaskar Krishnamachari , Andreas F. Molisch

At an early stage in pre-biotic evolution, groups of replicating molecules must coordinate their reproduction to form aggregated units of selection. Mechanisms that enable this to occur are currently not well understood. In this paper we…

Populations and Evolution · Quantitative Biology 2016-08-16 Anders Eriksson , Olof Görnerup , Martin Nilsson Jacobi , Steen Rasmussen

Probabilistic membership filters support fast approximate membership queries with a controlled false-positive probability $\varepsilon$ and are widely used across storage, analytics, networking, and bioinformatics…

Data Structures and Algorithms · Computer Science 2026-02-04 Antoine Limasset

Randomized backoff protocols, such as exponential backoff, are a powerful tool for managing access to a shared resource, often a wireless communication channel (e.g., [1]). For a wireless device to transmit successfully, it uses a backoff…

Data Structures and Algorithms · Computer Science 2022-07-26 Michael A. Bender , Seth Gilbert , Fabian Kuhn , John Kuszmaul , Muriel Médard

Movement primitives are trainable parametric models that reproduce robotic movements starting from a limited set of demonstrations. Previous works proposed simple linear models that exhibited high sample efficiency and generalization power…

Robotics · Computer Science 2024-06-07 Michael Przystupa , Faezeh Haghverd , Martin Jagersand , Samuele Tosatto

In cognitive radio networks, secondary users (SUs) may cooperate with the primary user (PU), so that the success probability of PU transmissions are improved, while SUs obtain more transmission opportunities. Thus, SUs have to take…

Networking and Internet Architecture · Computer Science 2014-12-23 Nestor Chatzidiamantis , Evangelia Matskani , Leonidas Georgiadis , Iordanis Koutsopoulos , Leandros Tassiulas

Broadcast networks are often used in modern communication systems. A common broadcast network is a single hop shared media system, where a transmitted message is heard by all neighbors, such as some LAN networks. In this work we consider a…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Israel Cidon , Osnat Mokryn

We introduce collision free layerings as a powerful way to structure radio networks. These layerings can replace hard-to-compute BFS-trees in many contexts while having an efficient randomized distributed construction. We demonstrate their…

Networking and Internet Architecture · Computer Science 2014-04-10 Mohsen Ghaffari , Bernhard Haeupler

Traditional concept of cognitive radio is the coexistence of primary and secondary user in multiplexed manner. we consider the opportunistic channel access scheme in IEEE 802.11 based networks subject to the interference mitigation…

Networking and Internet Architecture · Computer Science 2015-10-19 Rukhsana Ruby , Victor C. M. Leung , John Sydor

This paper proposes a method for solving optimization problems in which the decision-maker cannot evaluate the objective function, but rather can only express a preference such as "this is better than that" between two candidate decision…

Machine Learning · Computer Science 2019-10-01 Alberto Bemporad , Dario Piga

Mutualistic SR is a communication paradigm that offers high spectrum efficiency and low power consumption, where the SU transmits information by modulating and backscattering the PT's signal, enabling shared use of spectrum and power with…

Information Theory · Computer Science 2025-10-06 Hong Guo , Yinghui Ye , Haijian Sun , Liqin Shi , Rose Qingyang Hu

Primary users (PU) separation concerns with the issues of distinguishing and characterizing primary users in cognitive radio (CR) networks. We argue the need for PU separation in the context of collaborative spectrum sensing and monitor…

Networking and Internet Architecture · Computer Science 2012-04-23 Huy Nguyen , Rong Zheng , Zhu Han

In this paper, a joint cross-layer design of adaptive modulation and coding (AMC) and cooperative automatic repeat request (C-ARQ) scheme is proposed for a secondary user in a shared-spectrum environment. First, based on the statistical…

Information Theory · Computer Science 2017-09-13 J. Hwang , H. Saki , M. Shikh-Bahaei

In this paper, a new adaptive multi-batch experience replay scheme is proposed for proximal policy optimization (PPO) for continuous action control. On the contrary to original PPO, the proposed scheme uses the batch samples of past…

Machine Learning · Computer Science 2018-10-03 Seungyul Han , Youngchul Sung

Communication over a quantum broadcast channel with cooperation between the receivers is considered. The first form of cooperation addressed is classical conferencing, where Receiver 1 can send classical messages to Receiver 2. Another…

Information Theory · Computer Science 2021-06-18 Uzi Pereg , Christian Deppe , Holger Boche