Ram Chakka - researchr alias

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Viewing Publication 1 - 27 from 27

2014

BER reduction in signal receivers towards greening of digital communicationsAmit Kumar Ahuja, Ram Chakka, P. Venkata Krishna. ijcnds, 12(1):82-94, 2014. [doi]

A New Queueing Model for a Physician Office Accepting Scheduled Patients and Patients without AppointmentsRam Chakka, Dénes Papp, Thang Le-Nhat. In ICCSAMA. 2014: 107-118 [doi]

M/M/1 retrial queue with working vacations and negative customer arrivalsTien Van Do, Dénes Papp, Ram Chakka, János Sztrik, Jinting Wang. ijaip, 6(1):52-65, 2014. [doi]

2013

Spectral Expansion Solution Methodology for QBD-M Processes and Applications in Future Internet EngineeringTien Van Do, Ram Chakka, János Sztrik. In Ngoc Thanh Nguyen, Tien Van Do, Hoai An Le Thi, editors, Advanced Computational Methods for Knowledge Engineering. Volume 479 of Studies in Computational Intelligence, pages 131-142, Springer, 2013. [doi]

On the Properties of Generalised Markovian Queues with Heterogeneous ServersTien Van Do, Ram Chakka. In Ngoc Thanh Nguyen, Tien Van Do, Hoai An Le Thi, editors, Advanced Computational Methods for Knowledge Engineering. Volume 479 of Studies in Computational Intelligence, pages 143-155, Springer, 2013. [doi]

2012

A new queueing model for spectrum renting in mobile cellular networksTien Van Do, Nam H. Do, Ram Chakka. comcom, 35(10):1165-1171, 2012. [doi]

An efficient model for dimensioning an ATA-based virtual storage systemTien Van Do, Hyotaek Lim, Ram Chakka. cee, 38(6):1388-1398, 2012. [doi]

2011

A Markovian queue with varying number of servers and applications to the performance comparison of HSDPA user equipmentTien Van Do, Ram Chakka, Nam H. Do, László Pap. ACTA, 48(4):243-269, 2011. [doi]

2010

An efficient method to compute the rate matrix for retrial queues with large number of serversTien Van Do, Ram Chakka. appml, 23(5):638-643, 2010. [doi]

Simulation and analytical approaches for estimating the performability of a multicast address dynamic allocation mechanismTien Van Do, Ram Chakka. simpra, 18(7):971-983, 2010. [doi]

A new performability model for queueing and FDL-related burst loss in optical switching nodesTien Van Do, Ram Chakka. comcom, 33(Supplement-1), 2010. [doi]

2009

Analytical modelling and simulation of small scale, typical and highly available Beowulf clusters with breakdowns and repairsEnver Ever, Orhan Gemikonakli, Ram Chakka. simpra, 17(2):327-347, 2009. [doi]

2008

Performance Evaluation of the High Speed Downlink Packet Access in Communications Networks Based on High Altitude PlatformsTien Van Do, Nam H. Do, Ram Chakka. asmta 2008: 310-322 [doi]

Performance modeling of an Apache Web server with a dynamic pool of service processesTien Van Do, Udo R. Krieger, Ram Chakka. telsys, 39(2):117-129, 2008. [doi]

2007

The MM sum(k=1 to K of CPP::k::/GE/c/L) G-queue with heterogeneous servers: Steady state solution and an application to performance evaluationRam Chakka, Tien Van Do. pe, 64(3):191-209, 2007. [doi]

Joint-State Modeling for Open Queuing Networks with Breakdowns, Repairs and Finite BuffersRam Chakka, Enver Ever, Orhan Gemikonakli. mascots 2007: 260-266 [doi]

An integrated analytical model for computation and comparison of the throughputs of the UMTS/HSDPA user equipment categoriesTien Van Do, Ram Chakka, Peter G. Harrison. mswim 2007: 45-51 [doi]

2006

A Mathematical Model for Performability of Beowulf ClustersEnver Ever, Orhan Gemikonakli, Ram Chakka. anss 2006: 118-126 [doi]

Critical Issues and Solutions in Network Management ArchitecturesManohar Lal, Sunil Gaddam, Ram Chakka. ic 2006: 189-195

2002

The MM /sum/limits_{k = 1}^K {} CPPk/GE/c/L G-Queue and Its Application to the Analysis of the Load Balancing in MPLS NetworksRam Chakka, Tien Van Do. lcn 2002: 735-736 [doi]

2001

The MMCPP/GE/c QueueRam Chakka, Peter G. Harrison. questa, 38(3):307-326, 2001.

A Markov modulated multi-server queue with negative customers - The MM CPP/GE/c/L G-queueRam Chakka, Peter G. Harrison. ACTA, 37(11-12):881-919, 2001. [doi]

1998

Spectral expansion solution for some finite capacity queuesRam Chakka. anor, 79:27-44, 1998. [doi]

1995

Performance and reliability modelling of computing systems using spectral expansionRam Chakka. PhD thesis, Newcastle University, Newcastle upon Tyne, UK, 1995. [doi]

Spectral Expansion Solution for a Class of Markov Models: Application and Comparison with the Matrix-Geometric MethodIsi Mitrani, Ram Chakka. pe, 23(3):241-260, 1995.

1994

Heterogeneous Multiprocessor Systems with Breakdowns: Performance and Optimal Repair StrategiesRam Chakka, Isi Mitrani. TCS, 125(1):91-109, 1994.

1992

Multiprocessor Systems with General Breakdowns and RepairsRam Chakka, Isi Mitrani. sigmetrics 1992: 245-246

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