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We study real time periodic query scheduling for data collection in multihop Wireless Sensor Networks (WSNs). Given a set of heterogenous data collection queries in WSNs, each query requires the data from the source sensor nodes to be…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-08-05 Xiaohua Xu , Xiang-Yang Li , Min Song

We consider the effective capacity performance measure of persistent- and truncated-retransmission schemes that can involve any combination of multiple transmissions per packet, multiple communication modes, or multiple packet…

Information Theory · Computer Science 2016-08-18 Peter Larsson , James Gross , Hussein Al-Zubaidy , Lars K. Rasmussen , Mikael Skoglund

This paper considers a wireless network where multiple flows are delivering status updates about their respective information sources. An end user aims to make accurate real-time estimations about the status of each information source using…

Networking and Internet Architecture · Computer Science 2019-01-31 Daojing Guo , I-Hong Hou

This work studies the effect of hub congestion and time-sensitive demand on a hub-and-spoke location/allocation system. The Hub Location with Congestion and Time-sensitive Demand Problem is introduced, which combines these two main…

Optimization and Control · Mathematics 2024-01-17 Carmen-Ana Domínguez-Bravo , Elena Fernández , Armin Lüer-Villagra

With the growing need for automation and the ongoing merge of OT and IT, industrial networks have to transport a high amount of heterogeneous data with mixed criticality such as control traffic, sensor data, and configuration messages.…

Networking and Internet Architecture · Computer Science 2023-11-16 Ilja Behnke , Henrik Austad

The traditional industrial communication networks may not meet the requirements of the main smart factory applications together, such as Remote control and safety applications (which considered as strict real time applications) and…

Networking and Internet Architecture · Computer Science 2025-03-06 Yazen S. Sheet , Mohammed Younis Thanoun , Firas S. Alsharbaty

Real time systems are systems in which there is a commitment for timely response by the computer to external stimuli. Real time applications have to function correctly even in presence of faults. Fault tolerance can be achieved by either…

Performance · Computer Science 2016-09-08 A. Christy Persya , T. R. Gopalakrishnan Nair

Most of the sensor network applications need real time communication and the need for deadline aware real time communication is becoming eminent in these applications. These applications have different dead line requirements also. The real…

Networking and Internet Architecture · Computer Science 2014-12-30 Mary Cherian , T. R. Gopalakrishnan Nair

In wireless deployments, such as Massive-MIMO, where radio front-ends and back-end processing are connected through a transport network, meeting the real-time processing requirements is essential to realize the capacity gains from network…

Networking and Internet Architecture · Computer Science 2018-01-30 Krishna C. Garikipati , Kang G. Shin

The IEEE 802.11 backoff algorithm is very important for controlling system throughput over contentionbased wireless networks. For this reason, there are many studies on wireless network performance focus on developing backoff algorithms.…

Networking and Internet Architecture · Computer Science 2016-01-05 Hatm Alkadeki , Xingang Wang , Michael Odetayo

Wireless information-centric networks consider storage as one of the network primitives, and propose to cache data within the network in order to improve latency and reduce bandwidth consumption. We study the throughput capacity and latency…

Networking and Internet Architecture · Computer Science 2016-11-17 Bita Azimdoost , Cedric Westphal , Hamid R. Sadjadpour

We address a fundamental question in wireless networks that, surprisingly, has not been studied before: what is the maximum density of concurrently active links that satisfy a certain outage constraint? We call this quantity the spatial…

Information Theory · Computer Science 2018-01-24 Sanket S Kalamkar , Martin Haenggi

Now a day's Heterogeneous wireless network is a promising field of research interest. Various challenges exist in this hybrid combination like load balancing, resource management and so on. In this paper we introduce a reliable load…

Networking and Internet Architecture · Computer Science 2012-02-10 Md. Golam Rabiul Alam , Chayan Biswas , Naushin Nower , Mohammed Shafiul Alam Khan

Recent advances in electronics are enabling substantial processing to be performed at each node (robots, sensors) of a networked system. Local processing enables data compression and may mitigate measurement noise, but it is still slower…

Optimization and Control · Mathematics 2025-03-04 Luca Ballotta , Luca Schenato , Luca Carlone

The availability of very wide spectrum in millimeter wave bands combined with large antenna arrays and ultra dense networks raises two basic questions: What is the true value of overly abundant degrees of freedom and how can networks be…

Information Theory · Computer Science 2020-02-21 Felipe Gómez-Cuba , Elza Erkip , Sundeep Rangan , Francisco J. González-Castaño

Joint scheduling and routing of data flows with deadline constraints in communication networks has been attracting research interest. This type of problem distinguishes from conventional multicommodity flows due to the presence of the time…

Discrete Mathematics · Computer Science 2019-05-14 Ghafour Ahani , Pawel Wiatr , Di Yuan

Capacity scaling of a large hybrid network with unit node density, consisting of $n$ wireless ad hoc nodes, base stations (BSs) equipped with multiple antennas, and one remote central processor (RCP), is analyzed when wired backhaul links…

Information Theory · Computer Science 2014-07-29 Cheol Jeong , Won-Yong Shin

We derive bounds on the noncoherent capacity of a very general class of multiple-input multiple-output channels that allow for selectivity in time and frequency as well as for spatial correlation. The bounds apply to peak-constrained…

Information Theory · Computer Science 2008-01-29 Ulrich G. Schuster , Giuseppe Durisi , Helmut Bölcskei , H. Vincent Poor

We propose a universal analysis for static routings on networks and describe the congestion characteristics by the theory. The relation between average transmission time and transmission capacity is described by inequality T0Rc0<=1. For…

Networking and Internet Architecture · Computer Science 2014-09-17 Zhe He , Rui-Jie Xu , Si-Wu Liu , Bing-Hong Wang

Current radio systems are currently optimized for capacity and range. However, certain applications of wireless systems require fast and reliable communication over short distances. The challenge of these systems is to communicate with a…

Signal Processing · Electrical Eng. & Systems 2018-11-30 Raja Sattiraju , Jasper Siemons , Mohammad Soliman , Wasim Alshrafi , Fabian Rein , Hans D. Schotten