PUBLICATIONS
For IEEE Publications:
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EDITED BOOKS
1. Nail Akar, Michal Pioro, Charalabos Skianis (Eds.), LNCS 5275, 8th IEEE
International Workshop, IPOM 2008, Samos Island, Greece, September 2008
Proceedings.
2. Jose Brazio, Phuoc Tran-Gia, Nail Akar, Andrzej Beben, Wojciech
Burakowski, Markus Fiedler, Ezhan Karasan, Michael Menth, Philippe Olivier,
Kurt Tutschku, Sabine Wittevrongel (Eds.), COST-279 Final Report - Analysis and
Design of Advanced Multiservice Networks Supporting Mobility, Multimedia, and
Internetworking, Springer, 2005.
BOOK CHAPTERS
1.
E. Ayanoglu and N. Akar, BISDN (Broadband Integrated
Services Digital Network), Wiley Encyclopedia on
Telecommunications, January 2003.
JOURNAL
PUBLICATIONS
1.
Ege Orkun Gamgam and Nail
Akar, "Water-Filling Based Scheduling for Weighted Binary Freshness in
Cache Update Systems," to appear
in IEEE Internet of Things Journal,
doi: 10.1109/JIOT.2023.3322360.
2.
Nail Akar and Ege Orkun Gamgam, “Distribution of Age of
Information in Status Update Systems with Heterogeneous Information Sources: An
Absorbing Markov Chain-based Approach”, IEEE Communications Letters, vol. 27, no. 8, pp. 2024-2028, 2023.
doi: 10.1109/LCOMM.2023.3281695.
3.
Kaveh Vaezi, Nail Akar,
and Ezhan Karasan, “Modeling Age of Information in a Cooperative Slotted
Aloha Network”, Wireless Networks,
vol. 29, pp. 2405–2417, 2023. https://doi.org/10.1007/s11276-023-03314-8
4.
Nail Akar and Ezhan Karasan, “Is
Proportional Fair Scheduling Suitable for Age-Sensitive Traffic?”, Computer Networks, article 109668, vol.
229, May 2023. https://doi.org/10.1016/j.comnet.2023.109668
5.
Ege Orkun Gamgam and Nail
Akar, “Exact
Analytical Model of Age of Information in Multi-source Status Update Systems
with Per-Source Queueing”, IEEE
Internet of Things Journal, vol. 9, no. 20, pp. 20706-20718, 2022.
6.
Ozancan Dogan and Nail
Akar, “The Multi-Source Probabilistically Preemptive M/PH/1/1 Queue
with Packet Errors”, IEEE Transactions on Communications,
vol. 69, no. 11, pp. 7297-7308, Nov. 2021. https://doi.org/10.1109/TCOMM.2021.3106347.
7.
Abdul Kerim Aydin and Nail
Akar, "Energy
Management for Age of Information Control in Solar-powered IoT End Devices", Wireless Networks, vol. 27, pp. 3165–3178, 2021.
8.
Eray Erturk, Ozlem Yildiz,
Shahram Shahsavari, and Nail Akar, “Power
Allocation and Temporal Fair User Group Scheduling for Downlink NOMA”,
Telecommunication Systems, vol.
77, pp. 753–766, 2021.
9.
Omer Gursoy, Kamal Adli
Mehr, and Nail Akar, "Steady-state
and first passage time distributions for waiting times in the MAP/M/s+G
Queueing model with generally distributed patience times," Journal of Industrial Management and
Optimization, 2021.
10. N. Akar and O. Dogan, Discrete-time Queueing
Model of Age of Information with Multiple Information Sources”,
IEEE Internet of Things Journal,
vol. 8, no. 19, pp. 14531-14542, 1 Oct.1, 2021, https://doi.org/10.1109/JIOT.2021.3053768
11.
Akar, N., Gursoy, O., Horvath, G., Telek, M., “Transient and First Passage
Time Distributions of First- and Second-order Multi-regime Markov Fluid Queues
via ME-fication”, Methodology and Computing in Applied Probability, https://doi.org/10.1007/s11009-020-09812-y (2020).
12.
N. Akar, O. Dogan and E. U. Atay, “Finding the Exact Distribution of (Peak) Age of
Information for Queues of PH/PH/1/1 and M/PH/1/2 Type”, IEEE
Transactions on Communications, vol. 68,
no. 9, pp. 5661-5672, Sept. 2020, doi: 10.1109/TCOMM.2020.3002994.
13. E. O. Gamgam, C. Tunc, N.
Akar, “On the Queuing Model of the
Energy-Delay Trade-off in Wireless Links with Power Control and Link Adaptation”, IEEE Transactions on Communications, vol. 67, no. 5, pp. 3431-3442, May 2019, doi:
10.1109/TCOMM.2019.2897700.
14. K. A. Mehr, J. M. Niya, N. Akar, “Queue Management for Two-User
Cognitive Radio with Delay-Constrained Primary User”, Computer Networks,
vol. 142, pp. 1-12, 2018.
15. S. Shahsavari, N. Akar, B. H. Khalaj, “Joint Cell Muting and User
Scheduling in Multi-Cell Networks with Temporal Fairness,” Wireless Communications
and Mobile Computing, vol. 2018, Article ID 4846291
16. M. A. Yazici, N. Akar, “Performance
Modeling of QoS Differentiation in Optical Packet Switching via FDL Access
Limitation”, Photonic Network Communications, Volume 34, Issue 3, pp 344–355, Dec. 2017.
17. C. Tunc, N. Akar, “Markov
Fluid Queue Model of an Energy Harvesting IoT Device with Adaptive Sensing”, Performance Evaluation,” Volume
111, Issue C, pp. 1-16, May 2017.
18. N. Akar, C. Tunc, M. Gaertner, M.
F. Erden, “Disk
scheduling with shortest cumulative access time first algorithms,” Turk J Elec Eng &
Comp Sci, 25: 3367 –
3380, 2017.
19. A. Yazici and N. Akar, “The
Finite/Infinite Horizon Ruin Problem with Multi-threshold Premiums: A Markov
Fluid Queue Approach,” Annals of Operations Research, Vol.
252, Issue 1, pp. 85-99, May 2017.
20. C. Tunc and N. Akar, “Fixed-point Analysis of a Network
of Routers with Persistent TCP/UDP
Flows and Class-based Weighted Fair Queuing", Telecommunication Systems,
Volume 64, Issue 4, pp. 585-598, April 2017.
21. O. Ozturk and N. Akar, “A novel queue-aware wireless link
adaptation mechanism and its fixed-point analytical model,” EURASIP Journal on Wireless Communications and Networking, 2015, 2015:248
22. K. Vaezi and N. Akar, “Analytical
performance modeling of elastic optical links with aligned spectrum allocation,” Computer Networks,
Vol. 88, pp. 40–50, September
2015.
23. S. Shahsavari and N. Akar, “A
Two-Level Temporal Fair Scheduler for
Multi-cell Wireless Networks,” IEEE Wireless
Communication Letters, vol.4, no.3, pp.269-272,
June 2015.
24. N. Akar, “Fitting
Matrix Geometric Distributions by Model Reduction,” Stochastic
Models, Vol. 31, Iss. 2, 2015.
25. C. Tunc, N. Akar, “Mapping Time-Varying IP Traffic to
Flexible Optical Paths in Flexgrid Optical Networks", Photonic Network
Communications, vol. 29, no. 1,
pp: 67-77, 2015.
26. R. Yumer, N. Akar, E. Karasan, “Class-based first-fit spectrum
allocation with fragmentation avoidance for dynamic flexgrid optical networks”, Optical Switching and Networking, vol. 15, pp. 44-52, January 2015.
27. O. Öztürk and N. Akar, “Workload-dependent
queuing model of an AQM-controlled wireless router with TCP traffic and its
application to PER-based link adaptation”, EURASIP Journal on
Wireless Communications and Networking, 2014-67, 2014.
28. A. Yazıcı and N. Akar, “Running
Multiple Instances of the Distributed Coordination Function for Air-time
Fairness in Multi-Rate WLANs”, IEEE Transactions on
Communications, vol.61, no.12, pp. 5067-5076, December 2013.
29. N. Akar and Y. Gunalay, “Dimensioning
Shared-per-Node Recirculating Fiber Delay Line Buffers in an Optical Packet
Switch”, Performance Evaluation, Volume 70, Issue 12, pp. 1059-1071, December 2013.
30. A. Yazıcı and N. Akar, “The
Workload-dependent MAP/PH/1 Queue with Infinite/Finite Workload Capacity”, Performance Evaluation, Volume 70, Issue 12, pp. 1047-1058, December 2013 .
31. N. Akar, “Delay
Analysis of Timer-Based Frame Coalescing in Energy Efficient Ethernet”, IEEE Communications
Letters, vol. 17, no. 7, pp. 1459-1462, July 2013.
32. N. Akar, C. Raffaelli, M. Savi,
“State
Aggregation-based Model of Asynchronous Multi-Fiber Optical Switching with
Shared Wavelength Converters”, Optical Switching and
Networking, vol. 10, no. 3, pp. 173-185, 2013.
33. N. Akar , "Moments of
Conditional Sojourn Times in Finite Capacity M/M/1/N-PS Processor Sharing
Queues," IEEE
Communications Letters, vol.16, no.4, pp.533-535,
April 2012.
34. N. Akar and K. Sohraby, Retrial Queuing Models of Multi-wavelength
FDL Feedback Optical Buffers, IEEE Transactions on
Communications, vol. 59, no. 10,
pp. 2832—2840, Oct. 2011.
35. N. Akar, V. Eramo, and C. Raffaelli, “Comparative
Analysis of Power Consumption in Asynchronous Wavelength-Modular Optical
Switching“, Optical
Switching and Networking, vol. 8, no. 3, pp. 139-148, July 2011.
36. O. Alparslan, N. Akar and E. Karasan, “TCP Flow Aware Adaptive Path Switching in Diffserv Enabled MPLS Networks,” European
Transactions on Telecommunications (now named Transactions on Emerging
Telecommunications Technologies), vol. 22, no. 5, pp. 185-199, August 2011.
37. N. Akar and M.
A. Toksoz, “MPLS Automatic Bandwidth Allocation via Adaptive Hysteresis”, Computer Networks, vol. 55, no. 5, pp. 1181-1196,
April 2011.
38. M. A.
Toksoz and N. Akar, “Dynamic
Threshold-based Assembly Algorithms for Optical Burst Switching Networks Subject
to Burst Rate Constraints,” Photonic
Network Communications, vol. 20,
no. 2, pp. 120-130, Oct. 2010.
39. N. Akar, C.
Raffaelli, M. Savi, and E. Karasan, “Shared-Per-Wavelength
Asynchronous Optical Packet Switching: A Comparative Analysis“, Computer
Networks, vol. 54, no. 13, pp. 2166-2181, Sep. 2010.
40. N. Akar, E. Karasan, K. G. Vlachos,
M. Varvarigos, D. Careglio, M. Klinkowski, J. Solé-Pareta, “A Survey of Quality of Service Differentiation
Mechanisms for Optical Burst Switching Networks”, Optical
Switching and Networking, vol. 7, no. 1, pp. 1-10, January
2010.
41. E. Kankaya, N. Akar, “Exact Analysis of Single-Wavelength
Optical Buffers with Feedback Markov Fluid Queues”, IEEE/OSA Journal of Optical Communications
and Networking, vol.1,
no.6, pp.530-542, November 2009.
42. N. Akar, K. Sohraby,
“System-theoretical Algorithmic
Solution to Waiting Times in Semi-Markov Queues”, Performance Evaluation, vol.
66, no. 11, pp. 587-606, November 2009.
43. N. Akar , E. Karasan, and C.
Raffaelli, “Fixed Point Analysis of Limited Range
Share Per Node Wavelength Conversion in Asynchronous Optical Packet Switching
Systems”, Photonic Network Communications, Volume
18, Number 2, pp. 255-263, October,
2009.
44.
O. Ozturk, E. Karasan, and N. Akar, “Performance
Evaluation of Slotted Optical Burst Switching Systems with Quality of Service
Differentiation”, IEEE/OSA Journal of Lightwave Technology, vol. 27, no. 14, pp. 2621-2633, July 2009.
45.
H. E. Kankaya and N. Akar, “Exact Analysis of Offset-based Service
Differentiation in Single-channel Multi-class OBS”, IEEE Communications
Letters, vol.13,
no.2, pp.148-150, February 2009.
46. H. E. Kankaya and N. Akar, “Solving Multi-Regime Feedback Fluid Queues”, Stochastic Models, vol. 24, issue. 3, pp. 425-450, 2008.
47. J. Aracil, N. Akar, S.
Bjornstad, M. Casoni, K. Christodoulopoulos, D. Careglio, J. Fdez-Palacios, C.
Gauger, O. Gonzalez de Dios, G. Hu, E. Karasan, M. Klinkowski, D. Morato, R.
Nejabati, H. Overby, C. Raffaelli, D. Simeonidou, N. Stol, G. Tosi-Beleffi and
K. Vlachos, “Research in Optical Burst Switching within the e-Photon/ONe Network of
Excellence”, Optical Switching and Networking, vol.
4, no. 1, pp. 1-19, Feb. 2007.
48. N. Akar and Y. Günalay,
“Stochastic
analysis of finite population bufferless multiplexing in optical packet/burst
switching systems”, IEICE
Trans. Commun., vol. 90-B(2), pp. 342-345, 2007.
49. K. Dogan, Y. Günalay,
and N. Akar, “Comparative
study of limited range wavelength conversion policies for asynchronous optical
packet switching”, Journal of Optical
Networking (Optical Society of America), vol. 6, no. 2, pp. 134-145,
2007.
50. N. Akar, E. Karaşan , and K.
Doğan, “Wavelength converter sharing in asynchronous optical packet/burst
switching: An exact blocking analysis for Markovian arrivals”, IEEE Journal on Selected Areas in
Communications, vol. 14, no.12, 69-80, 2006.
51. N. Akar, “Solving the ME/ME/1 queue with state-space
methods and the matrix sign function”, Performance Evaluation, vol. 63, no. 2, pp. 131-145, Feb. 2006.
52. H. Boyraz and N. Akar , “Rate-controlled optical burst switching for both congestion
avoidance and service differentiation”,
Optical
Switching and Networking, vol. 2, no.4, pp. 217-229,
2005.
53. T. Dayar and N. Akar, “Computing moments of first passage times
to a subset of states in Markov chains”, SIAM
Journal on Matrix Analysis and Applications, vol. 27, no. 2, 2005.
54. E. Gurses, G. Bozdagi Akar,
and N. Akar, "A Simple and
Effective Mechanism for Stored Video Streaming with TCP Transport and
Server-Side Adaptive Frame Discard", Computer Networks, vol. 48, no. 4, pp. 489-501,
July 2005.
55. T. P.R. Nyirenda-Jere, V.
Frost, and N. Akar, "Capacity Requirements of Traffic Handling Schemes in
Multi-Service Networks", Computer
Communications, Vol. 28, pp. 2070-2081, 2005.
56. O. Alparslan, N. Akar
and E. Karasan, "AIMD-Based Online MPLS Traffic Engineering for TCP
Flows via Distributed Multi-Path Routing", Annales Des Telecommunications
(Annals of Telecommunications), Nov-Dec 2004.
57. N. Akar, I. Hokelek, and E. Karasan,
"Available Bit Rate Traffic Engineering in MPLS Networks with Flow-Based
Multipath Routing", IEICE Transactions Communications, vol. E87-B, no.10, pp.
2913--2921, October 2004.
58. N. Akar and K. Sohraby, "Infinite/Finite Buffer Markov Fluid Queues: A Unified Analysis", Journal of Applied Probability,
Vol. 41, No. 2, pp. 557-569, June 2004.
59. E. Karasan, O. Ekin-Karasan,
N. Akar, and M. Pinar, "Mesh Topology Design in Overlay Virtual
Private Networks", IEE Electronics Letters,
August 2002.
60. N. Akar, N. C. Oguz, and K.
Sohraby, “A Novel Computational Method for Solving Finite QBD Processes”, Stochastic Models, 2000.
61. N. Akar, N. C. Oguz, and K.
Sohraby, “TELPACK: An Advanced Teletraffic Analysis Package”, IEEE
Communications Magazine, August 1998.
62. N. Akar, N. C. Oguz, and K.
Sohraby, “Matrix-geometric Solutions of M/G/1 Type Markov Chains: A Unifying
Generalized State-Space Approach”, IEEE
Journal on Selected Areas in Communications, Vol. 16, 1998.
63. N. Akar and K. Sohraby, “An Invariant Subspace Approach in M/G/1
and G/M/1 type Markov Chains”, Comm.
Statist. Stochastic Models, vol. 13, no. 3, 1997.
64. N. Akar and E. Arikan, “A Numerically Efficient Method for the
MAP/D/1/K Queue via Rational Approximations”, Queueing
Systems: Theory and Applications,
1996.
65. N. Akar and E. Arikan, “Markov Modulated Periodic Arrival Process
Offered to an ATM Multiplexer”, Performance
Evaluation, Vol. 22, p. 175-190, 1995.
66.
A.B. Ozgüler and N. Akar, “A Common Solution to a Pair of Linear
Matrix Equations over a Principal Ideal Domain”, Linear
Algebra and Its Applications,
Vol. 144, p. 85-99, 1991.
REFEREED CONFERENCES
1.
Nail Akar, “Waiting Times in BMAP/BMSP/1
Queues”, The Ninth International Conference on Matrix-Analytic Methods in
Stochastic Models, Budapest, June 28 - 30, 2016.
2.
Caglar Tunc and Nail Akar, “Performance Modeling
of Delay-based Dynamic Speed Scaling”, The Ninth International Conference
on Matrix-Analytic Methods in Stochastic Models, Budapest, June 28 - 30, 2016.
3.
Onur Öztürk and Nail Akar, “Analysis
of an Adaptive Modulation and Coding scheme with HARQ for TCP traffic”,
Wireless Telecommunications Symposium, 2015.
4.
Mehmet Akif Yazıcı and Nail Akar,
“Analysis of continuous feedback Markov fluid queues and its applications
to modeling Optical Burst Switching”, Proceedings of the 2013 25th International
Teletraffic Congress (ITC), Shanghai, China.
5.
N. Akar, C. Raffaelli, and M. Savi, “Analytical
Model of Asynchronous Shared-per-Wavelength Multi-fiber Optical Switch“,
IEEE Conference on High Performance Switching and Routing (HPSR) 2011.
6.
M. Cenk. Ertürk and N. Akar, “rtPS Uplink
Scheduling Algorithms for IEEE 802.16 Networks, ” in the Proceedings of
8th International Symposium on Computer Networks, ISCN’08, Istanbul,
2008.
7.
N. Akar, “Model-free
Adaptive Hysteresis for Dynamic Bandwidth Reservation, in the Proceedings of
15th
Annual Meeting of the IEEE / ACM International Symposium on Modeling, Analysis,
and Simulation of Computer and Telecommunication Systems (MASCOTS) , Istanbul, Turkey, October
24-26, 2007
8.
N. Akar, E.
Karasan, G. Muretto, Carla
Raffaelli, “Performance Analysis of an Optical Packet Switch
Employing Full/Limited Range Share Per Node Wavelength Conversion,” in
the Proceedings of IEEE Globecom 2007, Washington DC, USA, November 2007.
9.
N. Akar, M. Barbera, L. Budzisz, R.
Ferrús, H. Emre Kankaya and G. Schembra, A Performance Evaluation
Framework of A Rate-Controlled MPEG Video Transmission over UMTS Networks, in
the Proceedings of Second Workshop on multiMedia
Applications over Wireless Networks (MediaWiN 2007), Aveiro, Portugal, July 1
2007.
10.
C. Raffaelli, M. Savi, N. Akar, E. Karasan, Packet
Loss Analysis of Synchronous Buffer-less Optical Switch with Shared Limited
Range Wavelength Converters, in the Proceedings of 2007 International
Conference on High Performance Switching and Routing (HPSR 2007), New York,
USA, June 2007.
11.
E. Gurses, G. B. Akar, N. Akar, Optimal packet scheduling and rate
control for video streaming, SPIE Visual Communications and Image Processing,
San Jose, California, 2007.
12.
N. Akar, A Matrix Analytical Method for the Discrete
Time Lindley Equation using the Generalized Schur Decomposition, Workshop on tools for solving structured
Markov chains (SMCTOOLS), Pisa, Italy, Oct. 2006.
13.
N. Akar, K. Sohraby, Solving the Single Server
Semi-Markov Queue with Matrix Exponential Kernel Matrices for Interarrivals and
Services, in the proceedings of First International Conference on Performance
Evaluation Methodologies and Tools (VALUETOOLS), Pisa, Italy, Oct. 2006.
14.
K. Dogan and N. Akar, A Performance Study of Limited
Range Partial Wavelength Conversion for Asynchronous Optical Packet/Burst
Switching, ICC 2006, Istanbul, Turkey, 2006.
15.
N. Akar and H. Boyraz, Differentiated ABR: A New
Architecture for Flow Control and Service Differentiation in Optical Burst
Switched Networks, Proceedings of ONDM (Optical Network Design and Modeling)
Conference, Milano, Italy, February 2005.
16.
N. Akar and E. Karasan, Exact Calculation of Blocking
Probabilities for Bufferless Optical Burst Switched Links with Partial
Wavelength Conversion, 1st International Conference on Broadband Networks -
BroadNets 2004, San Jose, USA, 2004.
17.
O. Alparslan, N. Akar and E. Karasan, Combined Use of
Prioritized AIMD and Flow-Based Traffic Splitting for Robust TCP Load
Balancing, Fifth International Workshop on Quality of future Internet Services
(QofIS’04), Barcelona - Spain, 2004.
18.
N. Akar, I. Hokelek, M. Atik, and E. Karasan, A
Reordering-free Multipath Traffic Engineering Architecture for Diffserv-MPLS
Networks, IEEE Workshop on IP Operations and Management, Kansas City, Missouri,
USA, October 1-3, 2003.
19.
N. Akar and K. Sohraby, Algorithmic Solution of Finite
Markov Fluid Queues, International Teletraffic Congress, Berlin, Germany, Sep.
2003.
20.
N. Akar and C. Sahin, Dynamic Capacity Provisioning in
Virtual Path-Based Networks Using Reinforcement Learning, International
Teletraffic Congress (ISCC), Berlin, Germany, Sep. 2003.
21.
N. Akar and C. Sahin, Dynamic Capacity Management for
Voice over Packet Networks, International Symposium on Computers and
Communications (ISCC), Antalya, Turkey, July 2003.
22.
E. Sengul , B. Can, N. Akar, Y. Z. Ider and H. Koymen,
Capacity Analysis of a PMR System with DAB Downlink, International Symposium on
Computers and Communications (ISCC), Antalya, Turkey, July 2003.
23.
E. Gurses, N. Akar, and G. B. Akar, Selective Frame
Discarding for Video Streaming in TCP/IP Networks, Packet Video Workshop,
Nantes, April 28-29, 2003.
24.
E. Gurses, N. Akar, and G. B. Akar, A Novel
Architecture for Layered Video Streaming in TCP/IP Networks, COST276
Information and Knowledge Management for Integrated Media Communication
Workshop, Bordeaux, March 31-April 1, 2003.
25.
N. Akar and C. Sahin, Reinforcement Learning as a
Means of Aggregate QoS Provisioning, Workshop on Architectures for Quality of
Service in the Internet (ART-QoS), Varsaw, March 23-24, 2003.
26.
E. Gurses, G. B. Akar, and N. Akar, Impact of
Scalability in Video Transmission in Promotion-Capable Differentiated Services
Networks", ICIP (International Conference of Image Processing), Rochester,
NY, Sep. 22-25, 2002.
27.
T. P. R. Nyirenda-Jere, V. S. Frost, and N. Akar,
Traffic Handling and Network Capacity in Multi-Service Networks, IEEE GLOBECOM
2001, San Antonio, Texas, USA, Nov. 25-29, 2001.
28.
T. P.R. Nyirenda-Jere, V.S. Frost, and N. Akar, Impact
of Traffic Handling on Internet Capacity, SPIE Information Technologies and
Communications Conference, 2001.
29.
L. A. DaSilva, D. W. Petr, and N. Akar, Static Pricing
and Quality of Service in Multiple Service Networks, Proc. 5th International Conference
on Computer Science and Informatics, Atlantic City, NJ, vol. 1, pp.
355-358, February 27-March 3, 2000.
30.
R. Rabbat, K. Y. Siu, and N. Akar, Supporting
Differentiated Services Using ATM ABR Service, IEEE ICCCN’99, Boston,
USA, 1999.
31.
J. Sydir, N. Taft, and N. Akar, Supporting TCP
(In)efficiently over ATM, MASCOTS’99, Maryland, USA, 1999.
32.
Wu, K. Y. Siu, N. Akar, and J. Yiu, Leaky Bucket
Buffer Admission Scheme for Supporting ATM GFR Services with FIFO Queuing, IEEE
GLOBECOM’99, Rio de Janerio,
Brasil, 1999.
33.
L. A. DaSilva, D. W. Petr, and N. Akar, Effects of
Pricing in Multiple Service Networks with Resource Allocation, Proceedings of
Conference on Performance and Control of Network Systems II, part of the SPIE
(International Society of Optical Engineering) International Symposium on
Voice, Video and Data Communication, Nov. 1998.
34.
N. Akar, N. C. Oguz, and K. Sohraby, TELPACK: An
Advanced TELetraffic Analysis Package, IEEE GLOBECOM'97, Phoenix, AZ, 1997.
35.
L. A. DaSilva, D. W. Petr, and N. Akar, Equilibrium
Pricing in Multi-service Priority-based Networks, IEEE GLOBECOM'97, Phoenix,
AZ, 1997.
36.
N. Akar and K. Sohraby, Matrix Geometric Solutions in
M/G/1 type Markov Chains with Multiple Boundaries: A Generalized State-Space
Approach, International Teletraffic Congress, Washington DC, 1997.
37.
N. Akar and K. Sohraby, Finite and Infinite QBD
Chains: A Simple and Unifying Algorithmic Approach, IEEE INFOCOM'97, San
Fransisco, USA, 1997.
38.
N. Akar and K. Sohraby, System Theoretic Approach to
Teletraffic Problems: A Unifying Framework, Proc. IEEE GLOBECOM'96, London,
2007.
39.
N. Akar and K. Sohraby, A New Paradigm for Teletraffic
Analysis of Communication Networks, Proc. IEEE INFOCOM'96, pp. 1318-1326,
Boston, USA, 1996.
40.
N. Akar and E. Arikan, Markov Modulated Periodic
Arrival Process Offered to an ATM Multiplexer, Proc. IEEE GLOBECOM'93, pp.
783-787, Houston, TX, 1993.
41.
N. Akar and E. Arikan, Pade Approximations in the
Analysis of the MMPP/D/1 System, Proc. ITC Spec. Sem. on Teletraffic Analysis
Methods for Current and Future Telecom. Networks, pp. 137-143, Nov. 93,
Bangalore, India, 1993.
42.
N. Akar and A. B. Ozguler, Exact and Almost
Noninteracting Control Problems by Measurement Feedback, International
Conference on New Trends in Comm., Contr., and Signal Proc., 779-785, Bilkent
University 1990, Ankara, Turkey.
43.
A. B. Ozguler and N. Akar, A Common Solution to a Pair
of Linear Matrix Equations Over a Principal Ideal Domain, IFAC Workshop on
System Structure and Control: State-space and Polynomial Methods, p. 37-40,
1989, Prague, Czechoslovakia.
WORKSHOPS AND PRESENTATIONS
1. N. Akar and K. Sohraby, ‘Numerically Stable
Solution of Large-Scale Finite Fluid Queues’, COST 279 Technical
Contribution TD(03)011, Dubrovnik, Croatia, January 2003.
2. E. Karasan, O.E. Karasan, N. Akar, and M. Pinar,
‘Mesh Topology Design in Overlay Virtual Private Networks’, COST
279 Technical Contribution TD(03)010, Dubrovnik, Croatia, January 2003.
3. N. Akar, M. Atik, I. Dogru, and I. Hokelek, "ATM
Multipath Traffic Engineering Using Differentiated ABR", COST 279
Technical Contribution, Helsinki, June 2002.
4. L. A. DaSilva, D. W. Petr and N. Akar, Static Pricing
and Traffic Management in Networks with Allocation of Resources, Second Annual
Sprint Applied Research parTners Advanced Networking (SPARTAN) Symposium, May
19-20 1998, Lawrence, KS.
5.
N. Akar and K. Sohraby,
Matrix-geometric Algorithmic Solutions for M/G/1 type Markov Chains, presented
at INFORMS'97, San Diego, 1997.
6.
A. Agrawal, N. Akar and K.
Sohraby, TELPACK: A Robust and Efficient Teletraffic Package for Computer and
Communication Networks, presented at Annual Workshop on Computer
Communications, Washington DC, 1996.
7.
N. Akar and K. Sohraby,
System Theoretic Approach to Teletraffic Problems: A Unifying Framework,
presented at Annual Workshop on Computer Communications, Seattle, 1995.