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This paper studies spatial capacity in a stochastic wireless ad hoc network, where multi-stage probing and data transmission are sequentially performed. We propose a novel signal-to-interference-ratio (SIR) threshold based scheduling…

信息论 · 计算机科学 2014-09-10 Yue Ling Che , Rui Zhang , Yi Gong , Lingjie Duan

Wireless Multi-hop Networks (WMhNs) provide users with the facility to communicate while moving with whatever the node speed, the node density and the number of traffic flows they want, without any unwanted delay and/or disruption. This…

网络与互联网体系结构 · 计算机科学 2013-06-05 N. Javaid , R. D. Khan , M. Ilahi , L. Ali , Z. A. Khan , U. Qasim

Wireless random access protocols are attracting a revived research interest as a simple yet effective solution for machine-type communications. In the quest to improve reliability and spectral efficiency of such schemes, the use of multiple…

信息论 · 计算机科学 2019-03-11 Andrea Munari , Federico Clazzer , Gianluigi Liva , Michael Heindlmaier

Ad-hoc networks are specifically designed to facilitate communication in environments where establishing a dedicated network infrastructure is exceedingly complex or impractical. The integration of clustering concepts into various ad-hoc…

网络与互联网体系结构 · 计算机科学 2024-07-04 Adda Boualem , Marwane Ayaida , Hichem Sedjelmaci , Chaimaa Khalfi , Kamilia Brahimi , Bochra Khelil , Sanaa Bouchama

The performance of collaborative beamforming is analyzed using the theory of random arrays. The statistical average and distribution of the beampattern of randomly generated phased arrays is derived in the framework of wireless ad hoc…

信息论 · 计算机科学 2016-08-31 Hideki Ochiai , Patrick Mitran , H. Vincent Poor , Vahid Tarokh

We study link scheduling in wireless networks under stochastic arrival processes of packets, and give an algorithm that achieves stability in the physical (SINR) interference model. The efficiency of such an algorithm is the fraction of the…

网络与互联网体系结构 · 计算机科学 2012-03-20 Eyjolfur I. Asgeirsson , Magnus M. Halldorsson , Pradipta Mitra

Fast data synchronization in wireless ad hoc networks is a challenging and critical problem. It is fundamental for efficient information fusion, control and decision in distributed systems. Previously, distributed data synchronization was…

分布式、并行与集群计算 · 计算机科学 2022-09-20 Die Hu , Xuejun Zhu , Min Gong , Shaoshi Yang

A new era is dawning for wireless mobile ad hoc networks where communication will be done using a group of mobile devices called cluster, hence clustered network. In a clustered network, protocols used by these mobile devices are different…

网络与互联网体系结构 · 计算机科学 2014-03-13 Gideon Naah , Edwin Boadu Okoampa

A network of $n$ wireless communication links is considered. Fading is assumed to be the dominant factor affecting the strength of the channels between nodes. The objective is to analyze the achievable throughput of the network when power…

信息论 · 计算机科学 2016-11-17 Masoud Ebrahimi , Mohammad Maddah-Ali , Amir Khandani

We consider the problem of determining asymptotic bounds on the capacity of a random ad hoc network. Previous approaches assumed a link layer model in which if a transmitter-receiver pair can communicate with each other, i.e., the Signal to…

信息论 · 计算机科学 2008-11-24 Vivek P. Mhatre , Catherine P. Rosenberg , Ravi R. Mazumdar

Routing is a challenging problem for wireless ad hoc networks, especially when the nodes are mobile and spread so widely that in most cases multiple hops are needed to route a message from one node to another. In fact, it is known that any…

分布式、并行与集群计算 · 计算机科学 2018-03-01 Daniel Jung , Christina Kolb , Christian Scheideler , Jannik Sundermeier

We consider protocols that serve communication requests arising over time in a wireless network that is subject to interference. Unlike previous approaches, we take the geometry of the network and power control into account, both allowing…

网络与互联网体系结构 · 计算机科学 2012-03-07 Thomas Kesselheim

Adapting applications' data rates in multi-hop wireless ad-hoc networks is inherently challenging. Packet collision, channel contention, and queue buildup contribute to packet loss but are difficult to manage in conventional TCP/IP…

网络与互联网体系结构 · 计算机科学 2021-07-15 Md Ashiqur Rahman , Beichuan Zhang

Due to their inherent complexity, engineered wireless multihop ad hoc communication networks represent a technological challenge. Having no mastering infrastructure the nodes have to selforganize themselves in such a way that for example…

统计力学 · 物理学 2007-05-23 Ingmar Glauche , Wolfram Krause , Rudolf Sollacher , Martin Greiner

This paper studies the problem of congestion control and scheduling in ad hoc wireless networks that have to support a mixture of best-effort and real-time traffic. Optimization and stochastic network theory have been successful in…

网络与互联网体系结构 · 计算机科学 2009-12-13 Juan Jose Jaramillo , R. Srikant

This paper presents a dual method of closed-form analysis and lightweight simulation that enables an evaluation of the performance of mobile ad hoc networks that is more realistic, efficient, and accurate than those found in existing…

信息论 · 计算机科学 2016-11-17 Don Torrieri , Salvatore Talarico , Matthew C. Valenti

Graph-based algorithms for point-to-point link scheduling in Spatial reuse Time Division Multiple Access (STDMA) wireless ad hoc networks often result in a significant number of transmissions having low Signal to Interference and Noise…

性能 · 计算机科学 2007-05-23 Ashutosh Deepak Gore , Srikanth Jagabathula , Abhay Karandikar

The performance of multiple-input multiple-output wireless systems is investigated in the presence of statistical queueing constraints. Queuing constraints are imposed as limitations on buffer violation probabilities. The performance under…

信息论 · 计算机科学 2009-10-13 Mustafa Cenk Gursoy

Mobile Ad-Hoc network is a collection of mobile nodes in communication without using infrastructure. As the real-time applications used in today's wireless network grow, we need some schemes to provide more suitable service for them. We…

网络与互联网体系结构 · 计算机科学 2011-07-20 Mohamed Amnai , Youssef Fakhri , Jaafar Abouchabaka

Designing effective routing strategies for mobile wireless networks is challenging due to the need to seamlessly adapt routing behavior to spatially diverse and temporally changing network conditions. In this work, we use deep reinforcement…

网络与互联网体系结构 · 计算机科学 2023-03-21 Victoria Manfredi , Alicia P. Wolfe , Xiaolan Zhang , Bing Wang