Research Explorer

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Researcher

Koenraad Laevens

Awards & Distinctions

99 Results

2015

Random-order-of-service for heterogeneous customers: waiting time analysis

Wouter RogiestKoenraad LaevensJoris WalraevensHerwig Bruneel

A1 Journal Article in ANNALS OF OPERATIONS RESEARCH

When random-order-of-service outperforms first-come first-served

Wouter RogiestKoenraad LaevensJoris WalraevensHerwig Bruneel

A1 Journal Article in OPERATIONS RESEARCH LETTERS

2013

A multi-class discrete-time queueing system under the FCFS service discipline

Sofian De ClercqKoenraad LaevensBart SteyaertHerwig Bruneel

A1 Journal Article in ANNALS OF OPERATIONS RESEARCH

Analysis of a versatile batch-service queueing model with correlation in the arrival process

Dieter ClaeysBart SteyaertJoris WalraevensKoenraad LaevensHerwig Bruneel

A1 Journal Article in PERFORMANCE EVALUATION

Heuristic performance model of optical buffers for variable length packets

Wouter RogiestKoenraad LaevensSabine WittevrongelHerwig Bruneel

A1 Journal Article in PHOTONIC NETWORK COMMUNICATIONS

Tail probabilities of the delay in a batch-service queueing model with batch-size dependent service times and a timer mechanism

Dieter ClaeysBart SteyaertJoris WalraevensKoenraad LaevensHerwig Bruneel

A1 Journal Article in COMPUTERS & OPERATIONS RESEARCH

2012

Tail distribution of the delay in a general batch-service queueing model

Dieter ClaeysBart SteyaertJoris WalraevensKoenraad LaevensHerwig Bruneel

A1 Journal Article in COMPUTERS & OPERATIONS RESEARCH

2011

Analysis of threshold-based batch-service queueing systems with batch arrivals and general service times

Dieter ClaeysJoris WalraevensKoenraad LaevensHerwig Bruneel

A1 Journal Article in PERFORMANCE EVALUATION

On the optimality of packet-oriented scheduling in photonic switches with delay lines

Wouter RogiestKoen De TurckKoenraad LaevensDieter FiemsSabine WittevrongelHerwig Bruneel

A2 Journal Article in NUMERICAL ALGEBRA CONTROL AND OPTIMIZATION

Optimized channel and delay selection for contention resolution in optical networks

Wouter RogiestKoen De TurckDieter FiemsKoenraad LaevensSabine WittevrongelHerwig Bruneel

2010

A batch-service queueing model with a discrete batch Markovian arrival process

Dieter ClaeysJoris WalraevensKoenraad LaevensBart SteyaertHerwig Bruneel

A queueing model for general group screening policies and dynamic item arrivals

Dieter ClaeysJoris WalraevensKoenraad LaevensHerwig Bruneel

A1 Journal Article in EUROPEAN JOURNAL OF OPERATIONAL RESEARCH

Complete characterisation of the customer delay in a queueing system with batch arrivals and batch service

Dieter ClaeysKoenraad LaevensJoris WalraevensHerwig Bruneel

A1 Journal Article in MATHEMATICAL METHODS OF OPERATIONS RESEARCH

Contention resolution for optical switching: tuning the channel and delay selection algorithm

Wouter RogiestKoen De TurckKoenraad LaevensSabine WittevrongelHerwig Bruneel

Delay analysis of two batch-service queueing models with batch arrivals: Geo(X)/Geo(c)/1

Dieter ClaeysJoris WalraevensKoenraad LaevensHerwig Bruneel

A1 Journal Article in 4OR-A QUARTERLY JOURNAL OF OPERATIONS RESEARCH

Distributional little's law for queues with heterogeneous server interruptions

Peixia GaoSabine WittevrongelKoenraad LaevensDanny De VleeschauwerHerwig Bruneel

A1 Journal Article in ELECTRONICS LETTERS

Exact performance analysis of a single-wavelength optical buffer with correlated inter-arrival times

Wouter RogiestDieter FiemsKoenraad LaevensHerwig Bruneel

A1 Journal Article in JOURNAL OF INDUSTRIAL AND MANAGEMENT OPTIMIZATION

FCFS in dual-class discrete-time queueing systems

Sofian De ClercqKoenraad LaevensBart SteyaertHerwig Bruneel

Influence of correlation in the arrival process on batch-service queueing systems

Dieter ClaeysBart SteyaertJoris WalraevensKoenraad LaevensHerwig Bruneel

Performance analysis of FDL buffers: a heuristic approach with impatience and quantization

Wouter RogiestKoen De TurckKoenraad LaevensDieter FiemsSabine WittevrongelHerwig Bruneel

Queues with random order of service and multiple classes of customers

Koenraad LaevensWouter RogiestJoris WalraevensHerwig Bruneel

Stability of single-wavelength optical buffers

Wouter RogiestEvsey MorozovDieter FiemsKoenraad LaevensHerwig Bruneel

A1 Journal Article in EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS

The impact of synchronization on the performance of FDL buffers

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

A1 Journal Article in AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS

2009

Modeling the performance of FDL buffers with wavelength conversion

Wouter RogiestDieter FiemsKoenraad LaevensHerwig Bruneel

A1 Journal Article in IEEE TRANSACTIONS ON COMMUNICATIONS

Performance analysis of a ﬁnite capacity optical buffer with arrival correlation

Dieter FiemsWouter RogiestKoenraad LaevensHerwig Bruneel

Performance of caching algorithms for IPTV on-demand services

Danny De VleeschauwerKoenraad Laevens

A1 Journal Article in IEEE TRANSACTIONS ON BROADCASTING

Stability analysis of single-wavelength optical buffers

Wouter RogiestMorozov EvseyDieter FiemsKoenraad LaevensHerwig Bruneel

Video quality protection strategies for HDTV in the presence of buffer overflow

Frederik VanhaverbekeMarc MoeneclaeyKoenraad LaevensNatalie DegrandeDanny De Vleeschauwer

2008

A light-weight performance model for optical buffers

Wouter RogiestDieter FiemsKoenraad LaevensHerwig Bruneel

A2 Journal Article in INTERNATIONAL JOURNAL OF COMMUNICATION NETWORKS AND DISTRIBUTED SYSTEMS

Analysis and design of a playout buffer for VBR streaming video

Bart SteyaertKoenraad LaevensDanny De VleeschauwerHerwig Bruneel

A1 Journal Article in ANNALS OF OPERATIONS RESEARCH

Comparison of two forward error correction approaches for packet protection in HDTV with variable bit rate transmission

Frederik VanhaverbekeMarc MoeneclaeyKoenraad LaevensNatalie DegrandeDanny De Vleeschauwer

Delay in a batch-service queueing model with batch arrival

Dieter ClaeysKoenraad LaevensJoris WalraevensHerwig Bruneel

Delay in a discrete-time queueing model with batch arrivals and batch services

Dieter ClaeysKoenraad LaevensJoris WalraevensHerwig Bruneel

Increasing the user perceived quality for IPTV services

Natalie DegrandeKoenraad LaevensDanny De VleeschauwerRandy Sharpe

A1 Journal Article in IEEE COMMUNICATIONS MAGAZINE

Maintaining video quality and optimizing video delivery over the bandwidth constrained DSL last mile through intelligent packet drop

Tom NM Van CaenegemKris O StruyveKoenraad LaevensDanny De VleeschauwerRandy Sharpe

A1 Journal Article in BELL LABS TECHNICAL JOURNAL

Modelling H.264/AVC VBR video traffic: comparison of a Markov and a self-similar source model

Zlatka AvramovaDanny De VleeschauwerKoenraad LaevensSabine WittevrongelHerwig Bruneel

A1 Journal Article in TELECOMMUNICATION SYSTEMS

Protecting IPTV against packet loss: techniques and trade-offs

Natalie DegrandeDanny De VleeschauwerKoenraad Laevens

A1 Journal Article in BELL LABS TECHNICAL JOURNAL

2007

A batch server with service times dependent on the number of served customers

Dieter ClaeysJoris WalraevensKoenraad LaevensHerwig Bruneel

A discrete-time Queueing Model with Batch Service

Dieter ClaeysKoenraad LaevensBart SteyaertHerwig Bruneel

An effective modeling for the performance analysis of optical buffers

Wouter RogiestDieter FiemsKoenraad LaevensHerwig Bruneel

Analyzing a degenerate buffer with general inter-arrival and service times in discrete time

Wouter RogiestKoenraad LaevensJoris WalraevensHerwig Bruneel

A1 Journal Article in QUEUEING SYSTEMS

Capturing an optical buffer's performance with a markov chain

Wouter RogiestDieter FiemsKoenraad LaevensHerwig Bruneel

Congestion pricing and noncooperative games in communication networks

A GANESHKoenraad LaevensR STEINBERG

A1 Journal Article in OPERATIONS RESEARCH

Congestion pricing and noncooperative games in communication networks

A GANESHKoenraad LaevensR STEINBERG

A2 Journal Article in OPERATIONS RESEARCH

Countering video packet loss due to buffer overflow by means of retransmissions

Frederik VanhaverbekeMarc MoeneclaeyKoenraad LaevensN DEGRANDEDanny De Vleeschauwer

Discrete-time queueing model with a batch server operating under the minimum batch size rule

Dieter ClaeysJoris WalraevensKoenraad LaevensHerwig Bruneel

Exact performance analysis of FDL buffers with correlated arrivals

Wouter RogiestDieter FiemsKoenraad LaevensHerwig Bruneel

Exact performance analysis of FDL buffers with correlated arrivals

Wouter RogiestDieter FiemsKoenraad LaevensHerwig Bruneel

Multiplexing gain of VBR video flows avoiding the self-similarity assumption

Zlatka AvramovaDanny De VleeschauwerKoenraad LaevensSabine WittevrongelHerwig Bruneel

On the application of FEC to counter packet loss caused by buffer overflow

Frederik VanhaverbekeMarc MoeneclaeyKoenraad LaevensN DEGRANDEDanny De Vleeschauwer

Tracing an optical buffer's performance: an effective approach

Wouter RogiestDieter FiemsKoenraad LaevensHerwig Bruneel

2006

Analysis and design of a play-out buffer for VBR streaming video

Koenraad LaevensBart SteyaertDanny De VleeschauwerHerwig Bruneel

Analysis of a Lakatos-type queueing system with general service times

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

Contention resolution in Next-Generation Optical Node Architectures

Joris WalraevensB VAN HOUDTJ LAMBERTWouter RogiestKoenraad LaevensDieter FiemsVeronique InghelbrechtC BLONDIAHerwig Bruneel

Modeling the performance of a multi-Wavelength Optical Buffer: a Round-Robin Approach

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

Optical buffers, batch arrivals and synchronization

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

Quantifying the impact of wavelength conversion on the performance of fiber delay line buffers

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

Queueing analysis of a degenerate buffer with general inter-arrival and service times

Wouter RogiestKoenraad LaevensJoris WalraevensHerwig Bruneel

Queueing analysis of a single-wavelength Fiber-Delay-Line buffer

Koenraad LaevensMarc MoeneclaeyHerwig Bruneel

A1 Journal Article in TELECOMMUNICATION SYSTEMS

System contents and delay in discrete-tim queues- performance assessment of communication system

Peixia GaoSabine WittevrongelHerwig BruneelKoenraad Laevens

2005

A performance model for an asynchronous optical buffer

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

A1 Journal Article in PERFORMANCE EVALUATION

Analysis and performance evaluation of optical buffers

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

Analysis of an Asynchronous single-wavelength FDL Buffer

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

Analysis of an asynchronous optical buffer

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

Analysis of an asynchronous single-wavelength FDL buffer

Wouter RogiestKoenraad LaevensDieter FiemsHerwig Bruneel

Performance analysis of an all-optical packet buffer

Dieter FiemsKoenraad LaevensHerwig Bruneel

Performance analysis of an all-optical packet buffer

Dieter FiemsKoenraad LaevensHerwig Bruneel

2004

Analysis of a two-stage optical buffer

Dieter FiemsKoenraad LaevensHerwig Bruneel

Channel utilization and loss rate in a single-wavelength fibre delay line (FDL) buffer

B VAN HOUDTKoenraad LaevensJ LAMBERTC BLONDIAHerwig Bruneel

Discrete-time multiserver preemptive resume priority queues with geometric service times

Peixia GaoSabine WittevrongelKoenraad LaevensHerwig Bruneel

Sustainable load of fibre delay line buffers

Koenraad LaevensB VAN HOUDTC BLONDIAHerwig Bruneel

A1 Journal Article in ELECTRONICS LETTERS

2003

Analysis of a single-wavelength optical buffer

Koenraad LaevensHerwig Bruneel

Analysis of a single-wavelength optical buffer

Koenraad LaevensHerwig Bruneel

Analysis of a single-wavelength optical buffer

Koenraad LaevensHerwig Bruneel

2002

Quality-of-Service differentiation and fairness in Optical Burst-Switched networks

F POPPEKoenraad LaevensH MICHIELS MOLENAAR

Segmentation overhead in optical burst switching

LB SOFMANTS EL-BAWABKoenraad Laevens

Traffic characteristics inside optical burst switched networks

Koenraad Laevens

2001

Congestion pricing and user adaptation

A GANESHKoenraad LaevensR STEINBERG

2000

Queueing of fixed-length messages in the presence of server interruptions.

Veronique InghelbrechtBart SteyaertHerwig BruneelKoenraad Laevens

Traffic characteristics and queueing behaviour of discrete-time on-off sources.

Koenraad LaevensHerwig Bruneel

Bookchapter in Performance Analysis of ATM Networks. Boston : Kluwer Academic Publishers, 2000. - ISBN 0-412-83640-8

1999

A processor-sharing model for input-buffered ATM switches in a correlated traffic environment.

Koenraad Laevens

A1 Journal Article in MICROPROCESSORS AND MICROSYSTEMS

Stochastische modellering van ATM-schakelelementen met buffers aan de ingangszijde

Koenraad LaevensHerwig Bruneel

1998

Discrete-time multiserver queues with priorities.

Koenraad LaevensHerwig Bruneel

A1 Journal Article in PERFORMANCE EVALUATION

The output process of a discrete-time GIG/D/1 queue

Koenraad Laevens

The output process of a discrete-time GIG/D/1 queue

Koenraad Laevens

1997

Power spectral density of on-off sources

Koenraad Laevens

Power spectral density of on-off sources.

Koenraad Laevens

A1 Journal Article in ELECTRONICS LETTERS

Some preliminary results on traffic characteristics and queueing behavior of discrete-time on-off sources

Koenraad LaevensHerwig Bruneel

Teletraffic engineering in a broad-band era.

H MICHIELKoenraad Laevens

A1 Journal Article in PROCEEDINGS OF THE IEEE

The round-robin service discipline in discrete-time for phase-type distributed packet-lengths

Koenraad Laevens

The superposition of discrete-time on-off sources as a model for long range dependent traffic

Koenraad Laevens

1996

A discrete-time tandem queue in a model for input-output buffered ATM switches

Koenraad LaevensHerwig Bruneel

Discrete-time queueing models with feedback for input-buffered ATM switches.

Koenraad LaevensHerwig Bruneel

A1 Journal Article in PERFORMANCE EVALUATION

Useful relations in the analysis of ATM-queues fed by multiple types of traffic.

Koenraad LaevensHerwig Bruneel

A1 Journal Article in ELECTRONICS LETTERS

1995

Delay analysis for ATM queues with random order of service.

Koenraad LaevensHerwig Bruneel

A1 Journal Article in ELECTRONICS LETTERS

Delay analysis for discrete-time queueing systems with multiple randomly interrupted servers

Koenraad LaevensHerwig Bruneel

A1 Journal Article in EUROPEAN JOURNAL OF OPERATIONAL RESEARCH

Some results on ATM multiplexers with time priorities

Koenraad LaevensHerwig Bruneel

The random-order-of-service (ROS) discipline in discrete-time queues

Koenraad LaevensHerwig Bruneel

Analytic derivation of delay characteristics for discrete-time multiserver queues with random server interruptions.In: Proceedings of the Conference on Applied Probabilitvin Engineering, Computer and Communication Sciences, Paris, 16-18 June, 1993, p.203.

Koenraad LaevensHerwig Bruneel