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Carrier Sense Multiple Access (CSMA) protocols have been shown to reach the full capacity region for data communication in wireless networks, with polynomial complexity. However, current literature achieves the throughput optimality with an…

网络与互联网体系结构 · 计算机科学 2014-01-16 Hongxing Li , Nitin Vaidya

Carrier Sense Multiple Access (CSMA) MAC protocols are known to suffer from the hidden station (HS) problem. The complete mathematical analysis of CSMA networks with HSs is still an open problem, even for broadcast communication with a…

网络与互联网体系结构 · 计算机科学 2016-12-20 Yunpeng Zang , Bernhard Walke , Guido Hiertz , Christian Wietfeld

This paper has been withdrawn because of some paper issues. Recent studies on MAC scheduling have shown that carrier sense multiple access (CSMA) can be controlled to be achieve optimality in terms of throughput or utility. These results…

网络与互联网体系结构 · 计算机科学 2012-12-18 Se-Young Yun , Jinwoo Shin , Yung Yi

In the literature, asymptotic studies of multi-hop wireless network capacity often consider only centralized and deterministic TDMA (time-division multi-access) coordination schemes. There have been fewer studies of the asymptotic capacity…

网络与互联网体系结构 · 计算机科学 2017-09-25 Chi-Kin Chau , Minghua Chen , Soung Chang Liew

In this paper, we consider the problem of recovering a graph that represents the statistical data dependency among nodes for a set of data samples generated by nodes, which provides the basic structure to perform an inference task, such as…

机器学习 · 统计学 2018-05-01 Hyeryung Jang , HyungSeok Song , Yung Yi

CSMA (Carrier Sense Multiple Access), which resolves contentions over wireless networks in a fully distributed fashion, has recently gained a lot of attentions since it has been proved that appropriate control of CSMA parameters guarantees…

网络与互联网体系结构 · 计算机科学 2015-01-16 Se-Young Yun , Jinwoo Shin , Yung Yi

The classical approach of avoiding or ignoring interference in wireless networks cannot accommodate the ambitious quality-of-service demands of ultra-dense cellular networks (CNs). However, recent ground-breaking information-theoretic…

网络与互联网体系结构 · 计算机科学 2020-08-14 Abdulkadir Celik , Anas Chaaban , Basem Shihada , Mohamed-Slim Alouini

The message complexity of a distributed algorithm is the total number of messages sent by all nodes over the course of the algorithm. This paper studies the message complexity of distributed algorithms for fundamental graph optimization…

分布式、并行与集群计算 · 计算机科学 2023-11-28 Fabien Dufoulon , Shreyas Pai , Gopal Pandurangan , Sriram V. Pemmaraju , Peter Robinson

This paper describes a new algorithm to solve the decision making problem in Influence Diagrams based on algorithms for credal networks. Decision nodes are associated to imprecise probability distributions and a reformulation is introduced…

人工智能 · 计算机科学 2012-06-18 Cassio Polpo de Campos , Qiang Ji

Radio resource sharing mechanisms are key to ensuring good performance in wireless networks. In their seminal paper \cite{tassiulas1}, Tassiulas and Ephremides introduced the Maximum Weighted Scheduling algorithm, and proved its…

信息论 · 计算机科学 2013-05-03 Prasanna Chaporkar , Alexandre Proutiere

A useful approach to the mathematical analysis of large-scale biological networks is based upon their decompositions into monotone dynamical systems. This paper deals with two computational problems associated to finding decompositions…

分子网络 · 定量生物学 2007-05-23 Bhaskar DasGupta , German Andres Enciso , Eduardo Sontag , Yi Zhang

We consider a stylized stochastic model for a wireless CSMA network. Experimental results in prior studies indicate that the model provides remarkably accurate throughput estimates for IEEE 802.11 systems. In particular, the model offers an…

概率论 · 数学 2012-09-14 Alessandro Zocca , Sem C. Borst , Johan S. H. van Leeuwaarden

An overarching issue in resource management of wireless networks is assessing their capacity: How much communication can be achieved in a network, utilizing all the tools available: power control, scheduling, routing, channel assignment and…

网络与互联网体系结构 · 计算机科学 2018-06-29 Magnus M. Halldorsson , Tigran Tonoyan

We employ the mathematical programming approach in conjunction with the graph theory to study the structure of correspondent banking networks. Optimizing the network requires decisions to be made to onboard, terminate or restrict the bank…

机器学习 · 计算机科学 2019-12-09 Nima Safaei , Ivan A. Sergienko

We analytically study a carrier sense multiple access (CSMA)-based network. In the network, the nodes have their own average throughput demands for transmission to a common base station. The CSMA is based on the request-to-send…

计算机科学与博弈论 · 计算机科学 2015-03-13 Fu-Te Hsu , Hsuan-Jung Su

This paper proposes an approximate method, equivalent access intensity (EAI), for the throughput analysis of CSMA wireless networks in which links have finite offered-load and their MAC-layer transmit buffers may be empty from time to time.…

网络与互联网体系结构 · 计算机科学 2013-02-20 Caihong Kai , Shengli Zhang

We study a distributed consensus-based stochastic gradient descent (SGD) algorithm and show that the rate of convergence involves the spectral properties of two matrices: the standard spectral gap of a weight matrix from the network…

最优化与控制 · 数学 2016-09-02 Avleen S. Bijral , Anand D. Sarwate , Nathan Srebro

We deal with algorithmic techniques for minimal cost input-connectivity while maintaining controllability of linear systems. The input matrix is assumed to be constrained in the sense that the set of states that each input (if present) can…

最优化与控制 · 数学 2019-08-27 Priyanka Dey , Niranjan Balachandran , Debasish Chatterjee

As graph data becomes more ubiquitous, the need for robust inferential graph algorithms to operate in these complex data domains is crucial. In many cases of interest, inference is further complicated by the presence of adversarial data…

机器学习 · 统计学 2022-08-23 Sheyda Peyman , Minh Tang , Vince Lyzinski

Through legislation and technical advances users gain more control over how their data is processed, and they expect online services to respect their privacy choices and preferences. However, data may be processed for many different…

数据库 · 计算机科学 2024-03-19 Dorota Filipczuk , Enrico H. Gerding , George Konstantinidis