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Queueing Systems

A convex optimisation approach to optimal control in queueing systems

A convex optimisation approach to optimal control in queueing systems

... The connections between max-weight and convex optimisation are of much interest in the networking and control communities. There are several reasons for this. First, a better understanding of the structure of the ...

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Stochastic bounds in fork join queueing systems under full and partial mapping

Stochastic bounds in fork join queueing systems under full and partial mapping

... FJ systems that essentially correspond to GI/G/1 queueing ...FJ systems behave fundamentally different from blocking FJ systems, thus requiring adapted mathematical tools for the ...

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M/G/1 Vacation Queueing Systems with Server Timeout

M/G/1 Vacation Queueing Systems with Server Timeout

... vacation queueing systems have been proposed. In the vacation queueing system, we have described the server completely stops service or is switched off when he is on ...M/M/2 queueing system ...

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A Survey on Queueing Systems with Mathematical  Models and Applications

A Survey on Queueing Systems with Mathematical Models and Applications

... appointment systems. Lade et al. [8] used simulation of queueing system in hospitals to predict the parameters like total waiting time, average waiting time of patients, average queue length and to decrease ...

14

Scheduling of multi class multi server queueing systems with abandonments

Scheduling of multi class multi server queueing systems with abandonments

... Many real-world situations involve queueing systems in which customers may abandon if service does not start sufficiently quickly. We study a comprehensive model of multi-class queue scheduling accounting ...

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General Disposition Strategies of Series Configuration Queueing Systems

General Disposition Strategies of Series Configuration Queueing Systems

... complex queueing networks (e.g. series configurations systems and systems with ...with queueing systems with complex Markovian ...

7

Computable bounds in fork join queueing systems

Computable bounds in fork join queueing systems

... Fork-Join queueing model stems from its natural ability to capture the behavior of many parallel service ...FJ queueing systems has been subject of multiple studies such as [4, 26, 35, 21, 24, 5, ...

13

Bayes, Neyman and Neyman Bayes Inference for Queueing Systems

Bayes, Neyman and Neyman Bayes Inference for Queueing Systems

... In fact the normal distribution has no direct connection to the queueing systems. Only if some in! terarrival times or services are log!normal, we can do these inferences after we compute the logarithm of ...

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Simulation of queueing systems with many stations and of queueing networks using copulas

Simulation of queueing systems with many stations and of queueing networks using copulas

... for queueing systems we have consider two models for the way the customer for which the service starts chooses the free channel: first when he/she does not know which is the free channel with the fastest ...

16

Modeling queueing systems

Modeling queueing systems

... NumlnQ - number of customers currently in the queue ServerBusy - the status of the server, 0 for idle, 1 for busy ClockTime - current clock time, where the inital clock time is 0 Tim[r] ...

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Dynamic Load Balancing in Parallel Queueing Systems: Stability and Optimal Control

Dynamic Load Balancing in Parallel Queueing Systems: Stability and Optimal Control

... The problem of scheduling jobs in parallel processing networks has widespread use in computer, telecom- munications, manufacturing, and even health systems. Given a set of processors, when a job (customer) arrives ...

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Scheduling for Heavy-Tailed and Light-Tailed Workloads in Queueing Systems

Scheduling for Heavy-Tailed and Light-Tailed Workloads in Queueing Systems

... computer systems have overheads that vary as a function of the multiprogramming level, usually in a unimodal fashion, and these variations can have a significant impact in the design of ...

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ON RELATION OF TWO PROCESSES WITH INDEPENDENT INCREMENTS APPLIED IN QUEUEING SYSTEMS

ON RELATION OF TWO PROCESSES WITH INDEPENDENT INCREMENTS APPLIED IN QUEUEING SYSTEMS

... the queueing length, average service time, ...ing systems a lot of authors from this field have been engaged So, in the monograph of ...the queueing system was ...the queueing system, the so ...

7

Queueing systems to study the energy consumption of a campus WLAN

Queueing systems to study the energy consumption of a campus WLAN

... the queueing model dis- cussed in the previous sections by introducing a delay be- tween the arrival of the customer that finds an empty queue, and the beginning of ...the queueing system requires that in ...

13

Isomorphs of a class of Queueing systems

Isomorphs of a class of Queueing systems

... There is scope for extending the approach of isomorphs in approximating waiting time distribution or queue size distribution in complicated network queues.... The authors are grateful to[r] ...

8

Resource allocation in congested queueing systems with time varying demand:An application to airport operations

Resource allocation in congested queueing systems with time varying demand:An application to airport operations

... at busy airports. We have developed and tested a number of heuristic approaches, all of which are based on an approximation of the queueing dynamics (the SAB approximation) during busy times of day. These ...

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A dynamic important methodology for the efficient estimation of rare event probabilities in regenerative simulations of queueing systems

A dynamic important methodology for the efficient estimation of rare event probabilities in regenerative simulations of queueing systems

... Importance sampling (IS) is recognized as a potentially powerful method for reducing sim- ulation runtimes when estimating the probabilities of rare events in communication systems using[r] ...

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Performance analysis of priority queueing systems in an ATM environment

Performance analysis of priority queueing systems in an ATM environment

... Consider an infinite buffer, single server discrete-time queue with an input process formed from the superposition of N geom-geom binary arrival processes, with average arrival rates and[r] ...

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Queueing systems for modelling ATM networks

Queueing systems for modelling ATM networks

... Now, let us examine a general discrete-time queueing system with early arrivals assuming batch arrivals and batch departures. ,nK) be the state of the system in steady state at a time sl[r] ...

23

Balancing Queueing Systems With Excess Demand

Balancing Queueing Systems With Excess Demand

... Further, supply and demand queues are assumed to have finite maximum lengths k’ and k”, respectively; c’ and c” are variables costs per unit due to a unit of excess of demand and suppl[r] ...

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