Ram Chakka
Ram Chakka
Academic and Research Consultant
Verified email at - Homepage
Cited by
Cited by
Spectral expansion solution for a class of Markov models: Application and comparison with the matrix-geometric method
I Mitrani, R Chakka
Performance Evaluation 23 (3), 241-260, 1995
Spectral expansion solution for some finite capacity queues
R Chakka
Annals of Operations Research 79 (0), 27-44, 1998
Performance and reliability modelling of computing systems using spectral expansion
R Chakka
Newcastle University, 1995
A Markov modulated multi-server queue with negative customers–the MM CPP/GE/c/L G-queue
R Chakka, PG Harrison
Acta Informatica 37, 881-919, 2001
The MM~~ G-queue with heterogeneous servers: Steady state solution and an application to performance evaluation
R Chakka, T Van Do
Performance Evaluation 64 (3), 191-209, 2007
Heterogeneous multiprocessor systems with breakdowns: performance and optimal repair strategies
R Chakka, I Mitrani
Theoretical Computer Science 125 (1), 91-109, 1994
Approximate solutions for open networks with breakdowns and repairs
R Chakka, I Mitrani
Stochastic Networks, Theory and Applications. Royal Statistical Society …, 1996
Performance modeling of an apache web server with a dynamic pool of service processes
TV Do, UR Krieger, R Chakka
Telecommunication Systems 39, 117-129, 2008
A numerical solution method for multiprocessor systems with general breakdowns and repairs
R Chakka, I Mitrani
6th International Conference on Modelling Techniques and Tools for Computer …, 1993
An efficient method to compute the rate matrix for retrial queues with large number of servers
T Van Do, R Chakka
Applied Mathematics Letters 23 (5), 638-643, 2010
An integrated analytical model for computation and comparison of the throughputs of the UMTS/HSDPA user equipment categories
T Van Do, R Chakka, PG Harrison
Proceedings of the 10th ACM Symposium on Modeling, analysis, and simulation …, 2007
The MMCPP/GE/c Queue
R Chakka, PG Harrison
Queueing systems 38, 307-326, 2001
M/M/1 retrial queue with working vacations and negative customer arrivals
TV Do, D Papp, R Chakka, J Sztrik, J Wang
International Journal of Advanced Intelligence Paradigms 6 (1), 52-65, 2014
A generalized Markovian queue and its applications to performance analysis in telecommunications networks
R Chakka, T Van Do, Z Pandi
Performance Modelling and Analysis of Heterogeneous Networks, 371-387, 2022
A new performability model for queueing and FDL-related burst loss in optical switching nodes
T Van Do, R Chakka
Computer Communications 33, S146-S151, 2010
Modelling multiprocessor systems with time or operation dependent breakdowns, alternate repair strategies, reconfiguration and rebooting delays
R Chakka, O Gemikonakli, P Basappa
Proceedings of SPECTS 2002, 266-277, 2002
A new queueing model for spectrum renting in mobile cellular networks
T Van Do, NH Do, R Chakka
Computer Communications 35 (10), 1165-1171, 2012
Numerical solution to the performability of a multiprocessor system with reconfiguration and rebooting delays
O Gemikonakli, TV Do, R Chakka, E Ever
Proceedings of ECMS 2005, 766-773, 2005
Joint-state modeling for open queuing networks with breakdowns, repairs and finite buffers
R Chakka, E Ever, O Gemikonakli
2007 15th International Symposium on Modeling, Analysis, and Simulation of …, 2007
The MM/spl Sigma//sub k= 1//sup K/CPP/sub k//GE/c/L G-queue and its application to the analysis of the load balancing in MPLS networks
R Chakka, T Van Do
27th Annual IEEE Conference on Local Computer Networks, 2002. Proceedings …, 2002
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