Nail Akar

Publication Activity (10 Years)

Years Active: 1995-2024
Publications (10 Years): 38

Top Topics

Scheduling Algorithm

Information Sources

Optical Networks

Top Venues

Comput. Networks

IEEE Internet Things J.

IEEE Trans. Commun.

Publications

Ege Orkun Gamgam, Nail Akar, Sennur Ulukus
Cyclic Scheduling for Age of Information Minimization with Generate at Will Status Updates. CISS (2024)
Nail Akar, Sennur Ulukus
Age of Information in a Single-Source Generate-at-Will Dual-Server Status Update System. CoRR (2024)
Ismail Cosandal, Nail Akar, Sennur Ulukus
Modeling AoII in Push- and Pull-Based Sampling of Continuous Time Markov Chains. CoRR (2024)
Ismail Cosandal, Nail Akar, Sennur Ulukus
AoII-Optimum Sampling of CTMC Information Sources Under Sampling Rate Constraints. CoRR (2024)
Ismail Cosandal, Nail Akar, Sennur Ulukus
Modeling AoII in Push- and Pull-Based Sampling of Continuous Time Markov Chains. INFOCOM (Workshops) (2024)
Nail Akar, Sahan Liyanaarachchi, Sennur Ulukus
Scalable Cyclic Schedulers for Age of Information Optimization in Large-Scale Status Update Systems. INFOCOM (Workshops) (2024)
Sahan Liyanaarachchi, Sennur Ulukus, Nail Akar
Cyclic Scheduler Design for Minimizing Age of Information in Massive Scale Networks Susceptible to Packet Errors. CoRR (2024)
Mustafa Doger, Sennur Ulukus, Nail Akar
PoW Security-Latency under Random Delays and the Effect of Transaction Fees. CoRR (2024)
Ismail Cosandal, Nail Akar, Sennur Ulukus
Multi-Threshold AoII-Optimum Sampling Policies for CTMC Information Sources. CoRR (2024)
Nail Akar, Sahan Liyanaarachchi, Sennur Ulukus
Scalable Cyclic Schedulers for Age of Information Optimization in Large-Scale Status Update Systems. CoRR (2024)
Sahan Liyanaarachchi, Sennur Ulukus, Nail Akar
Minimizing the Age of Two Heterogeneous Sources With Packet Drops Via Cyclic Schedulers. CoRR (2024)
Ege Orkun Gamgam, Nail Akar
Water-Filling-Based Scheduling for Weighted Binary Freshness in Cache Update Systems. IEEE Internet Things J. 11 (5) (2024)
Kaveh Vaezi, Nail Akar, Ezhan Karasan
Modeling age of information in a cooperative slotted Aloha network. Wirel. Networks 29 (5) (2023)
Nail Akar, Ege Orkun Gamgam
Distribution of Age of Information in Status Update Systems With Heterogeneous Information Sources: An Absorbing Markov Chain-Based Approach. IEEE Commun. Lett. 27 (8) (2023)
Nail Akar, Ezhan Karasan
Is proportional fair scheduling suitable for age-sensitive traffic? Comput. Networks 226 (2023)
Ege Orkun Gamgam, Nail Akar, Sennur Ulukus
Minimizing Weighted Sum Age of Information with Open-Loop Cyclic Scheduling. CoRR (2023)
Nail Akar, Sennur Ulukus
Optimum Monitoring of Heterogeneous Continuous Time Markov Chains. CoRR (2023)
Ege Orkun Gamgam, Nail Akar
Exact Analytical Model of Age of Information in Multi-Source Status Update Systems With Per-Source Queueing. IEEE Internet Things J. 9 (20) (2022)
Nail Akar, Ozancan Dogan
Discrete-Time Queueing Model of Age of Information With Multiple Information Sources. IEEE Internet Things J. 8 (19) (2021)
Eray Erturk, Ozlem Yildiz, Shahram Shahsavari, Nail Akar
Power allocation and temporal fair user group scheduling for downlink NOMA. Telecommun. Syst. 77 (4) (2021)
Abdul Kerim Aydin, Nail Akar
Energy management for age of information control in solar-powered IoT end devices. Wirel. Networks 27 (5) (2021)
Ege Orkun Gamgam, Nail Akar
Exact Analytical Model of Age of Information in Multi-source Status Update Systems with Per-source Queueing. CoRR (2021)
Ozancan Dogan, Nail Akar
The Multi-Source Probabilistically Preemptive M/PH/1/1 Queue With Packet Errors. IEEE Trans. Commun. 69 (11) (2021)
Nail Akar, Ezhan Karasan
Scheduling Algorithms for Age of Information Differentiation with Random Arrivals. CoRR (2021)
Nail Akar, Ozancan Dogan
Discrete-time Queueing Model of Age of Information with Multiple Information Sources. CoRR (2020)
Ozancan Dogan, Nail Akar
The Multi-Source Preemptive M/PH/1/1 Queue with Packet Errors: Exact Distribution of the Age of Information and Its Peak. CoRR (2020)
Nail Akar, Ozancan Dogan, Eray Unsal Atay
Finding the Exact Distribution of (Peak) Age of Information for Queues of PH/PH/1/1 and M/PH/1/2 Type. IEEE Trans. Commun. 68 (9) (2020)
Ömer Gürsoy, Kamal Adli Mehr, Nail Akar
The MAP/M/s+G Call Center Model with General Patience Times: Stationary Solutions and First Passage Times. CoRR (2019)
Ege Orkun Gamgam, Caglar Tunc, Nail Akar
On the Queuing Model of the Energy-Delay Tradeoff in Wireless Links With Power Control and Link Adaptation. IEEE Trans. Commun. 67 (5) (2019)
Nail Akar, Ozancan Dogan, Eray Unsal Atay
Finding the Exact Distribution of (Peak) Age of Information for Queues of PH/PH/1/1 and M/PH/1/2 Type. CoRR (2019)
Shahram Shahsavari, Nail Akar, Babak Hossein Khalaj
Joint Cell Muting and User Scheduling in Multicell Networks with Temporal Fairness. Wirel. Commun. Mob. Comput. 2018 (2018)
Kamal Adli Mehr, Javad Musevi Niya, Nail Akar
Queue management for two-user cognitive radio with delay-constrained primary user. Comput. Networks 142 (2018)
Caglar Tunc, Nail Akar
Markov fluid queue model of an energy harvesting IoT device with adaptive sensing. Perform. Evaluation 111 (2017)
Nail Akar, Caglar Tunc, Mark Gaertner, Fatih Erden
Disk scheduling with shortest cumulative access time first algorithms. Turkish J. Electr. Eng. Comput. Sci. 25 (2017)
Mehmet Akif Yazici, Nail Akar
The finite/infinite horizon ruin problem with multi-threshold premiums: a Markov fluid queue approach. Ann. Oper. Res. 252 (1) (2017)
Caglar Tunc, Nail Akar
Fixed-point analysis of a network of routers with persistent TCP/UDP flows and class-based weighted fair queuing. Telecommun. Syst. 64 (4) (2017)
Mehmet Akif Yazici, Nail Akar
Performance modeling of QoS differentiation in optical packet switching via FDL access limitation. Photonic Netw. Commun. 34 (3) (2017)
Shahram Shahsavari, Nail Akar, Babak Hossein Khalaj
Joint Cell Muting and User Scheduling in Multi-Cell Networks with Temporal Fairness. CoRR (2016)
Onur Ozturk, Nail Akar
Analysis of an Adaptive Modulation and Coding scheme with HARQ for TCP traffic. WTS (2015)
Caglar Tunc, Nail Akar
Mapping time-varying IP traffic to flexible optical paths in flexgrid optical networks. Photonic Netw. Commun. 29 (1) (2015)
Shahram Shahsavari, Nail Akar
A Two-Level Temporal Fair Scheduler for Multi-Cell Wireless Networks. IEEE Wirel. Commun. Lett. 4 (3) (2015)
Onur Ozturk, Nail Akar
A novel queue-aware wireless link adaptation mechanism and its fixed-point analytical model. EURASIP J. Wirel. Commun. Netw. 2015 (2015)
Kaveh Vaezi, Nail Akar
Analytical performance modeling of elastic optical links with aligned spectrum allocation. Comput. Networks 88 (2015)
Ramazan Yumer, Nail Akar, Ezhan Karasan
Class-based first-fit spectrum allocation with fragmentation avoidance for dynamic flexgrid optical networks. Opt. Switch. Netw. 15 (2015)
Caglar Tunc, Nail Akar
Efficient transport of time-varying IP traffic in flexi-grid optical networks. SIU (2014)
Onur Ozturk, Nail Akar
Workload-dependent queuing model of an AQM-controlled wireless router with TCP traffic and its application to PER-based link adaptation. EURASIP J. Wirel. Commun. Netw. 2014 (2014)
Mehmet Akif Yazici, Nail Akar
The workload-dependent MAP/PH/1 queue with infinite/finite workload capacity. Perform. Evaluation 70 (12) (2013)
Nail Akar
Delay Analysis of Timer-Based Frame Coalescing in Energy Efficient Ethernet. IEEE Commun. Lett. 17 (7) (2013)
Nail Akar, Yavuz Günalay
Dimensioning shared-per-node recirculating fiber delay line buffers in an optical packet switch. Perform. Evaluation 70 (12) (2013)
Mehmet Akif Yazici, Nail Akar
A distributed solution for air-time fairness in multi-rate WLANs. SIU (2013)
Mehmet Akif Yazici, Nail Akar
Running Multiple Instances of the Distributed Coordination Function for Air-Time Fairness in Multi-Rate WLANs. IEEE Trans. Commun. 61 (12) (2013)
Nail Akar, Carla Raffaelli, Michele Savi
State aggregation-based model of asynchronous multi-fiber optical switching with shared wavelength converters. Opt. Switch. Netw. 10 (3) (2013)
Mehmet Akif Yazici, Nail Akar
Analysis of continuous feedback Markov fluid queues and its applications to modeling Optical Burst Switching. International Teletraffic Congress (2013)
Nail Akar
Moments of Conditional Sojourn Times in Finite Capacity M/M/1/N-PS Processor Sharing Queues. IEEE Commun. Lett. 16 (4) (2012)
Nail Akar, Khosrow Sohraby
Retrial Queuing Models of Multi-Wavelength FDL Feedback Optical Buffers. IEEE Trans. Commun. 59 (10) (2011)
Nail Akar, Vincenzo Eramo, Carla Raffaelli
Comparative analysis of power consumption in asynchronous wavelength modular optical switching fabrics. Opt. Switch. Netw. 8 (3) (2011)
Onur Alparslan, Nail Akar, Ezhan Karasan
TCP flow aware adaptive path switching in diffserv enabled MPLS networks. Eur. Trans. Telecommun. 22 (5) (2011)
Nail Akar, Carla Raffaelli, Michele Savi
Analytical model of asynchronous shared-per-wavelength multi-fiber optical switch. HPSR (2011)
Nail Akar, Mehmet Altan Toksöz
MPLS automatic bandwidth allocation via adaptive hysteresis. Comput. Networks 55 (5) (2011)
Nail Akar, Carla Raffaelli, Michele Savi, Ezhan Karasan
Shared-per-wavelength asynchronous optical packet switching: A comparative analysis. Comput. Networks 54 (13) (2010)
Nail Akar, Ezhan Karasan, Kyriakos Vlachos, Emmanouel A. Varvarigos, Davide Careglio, Miroslaw Klinkowski, Josep Solé-Pareta
A survey of quality of service differentiation mechanisms for optical burst switching networks. Opt. Switch. Netw. 7 (1) (2010)
Mehmet Altan Toksöz, Nail Akar
Dynamic threshold-based assembly algorithms for optical burst switching networks subject to burst rate constraints. Photonic Netw. Commun. 20 (2) (2010)
Nail Akar, Ezhan Karasan, Carla Raffaelli
Fixed point analysis of limited range share per node wavelength conversion in asynchronous optical packet switching systems. Photonic Netw. Commun. 18 (2) (2009)
Hüseyin Emre Kankaya, Nail Akar
Exact Analysis of Single-Wavelength Optical Buffers With Feedback Markov Fluid Queues. JOCN 1 (6) (2009)
Hüseyin Emre Kankaya, Nail Akar
Exact analysis of offset-based service differentiation in single-channel multi-class OBS. IEEE Commun. Lett. 13 (2) (2009)
Nail Akar, Khosrow Sohraby
System-theoretical algorithmic solution to waiting times in semi-Markov queues. Perform. Evaluation 66 (11) (2009)
Nail Akar, Mario Barbera, Lukasz Budzisz, Ramon Ferrús, Ezhan Kankaya, Giovanni Schembra
A Performance Evaluation Framework of A Rate-Controlled MPEG Video Transmission over UMTS Networks. ISCC (2007)
Nail Akar, Ezhan Karasan, Giovanni Muretto, Carla Raffaelli
Performance Analysis of an Optical Packet Switch Employing Full/Limited Range Share Per Node Wavelength Conversion. GLOBECOM (2007)
Nail Akar
Model-free Adaptive Hysteresis for Dynamic Bandwidth Reservation. MASCOTS (2007)
Eren Gürses, Gozde Bozdagi Akar, Nail Akar
Optimal packet scheduling and rate control for video streaming. VCIP (2007)
Javier Aracil, Nail Akar, Steinar Bjornstad, Maurizio Casoni, Kostas Christodoulopoulos, Davide Careglio, Juan Fernández-Palacios, C. Gauger, Óscar González de Dios, Guoqiang Hu, Ezhan Karasan, Miroslaw Klinkowski, Daniel Morató, Reza Nejabati, Harald Øverby, Carla Raffaelli, Dimitra Simeonidou, Norvald Stol, Giorgio Maria Tosi-Beleffi
Research in optical burst switching within the e-Photon/ONe network of excellence. Opt. Switch. Netw. 4 (1) (2007)
Nail Akar, Yavuz Günalay
Stochastic Analysis of Finite Population Bufferless Multiplexing in Optical Packet/Burst Switching Systems. IEICE Trans. Commun. (2) (2007)
Kaan Dogan, Nail Akar
A Performance Study of Limited Range Partial Wavelength Conversion for Asynchronous Optical Packet/Burst Switching. ICC (2006)
Nail Akar
Solving the ME/ME/1 queue with state-space methods and the matrix sign function. Perform. Evaluation 63 (2) (2006)
Nail Akar, Ezhan Karasan, Kaan Dogan
Wavelength Converter Sharing in Asynchronous Optical Packet/Burst Switching: An Exact Blocking Analysis for Markovian Arrivals. IEEE J. Sel. Areas Commun. 24 (S-12) (2006)
Nail Akar, Khosrow Sohraby
Solving the single server semi-Markov queue with matrix exponential kernel matrices for interarrivals and services. VALUETOOLS (2006)
Hakan Boyraz, Nail Akar
Rate-controlled optical burst switching for both congestion avoidance and service differentiation. Opt. Switch. Netw. 2 (4) (2005)
Tugrul Dayar, Nail Akar
Computing Moments of First Passage Times to a Subset of States in Markov Chains. SIAM J. Matrix Anal. Appl. 27 (2) (2005)
Towela P. R. Nyirenda-Jere, Victor S. Frost, Nail Akar
Capacity requirements of traffic handling schemes in multi-service networks. Comput. Commun. 28 (18) (2005)
Eren Gürses, Gozde Bozdagi Akar, Nail Akar
A simple and effective mechanism for stored video streaming with TCP transport and server-side adaptive frame discard. Comput. Networks 48 (4) (2005)
Onur Alparslan, Nail Akar, Ezhan Karasan
Combined Use of Prioritized AIMD and Flow-Based Traffic Splitting for Robust TCP Load Balancing. QofIS (2004)
Onur Alparslan, Nail Akar, Ezhan Karasan
AIMD-based online MPLS traffic engineering for TCP flows via distributed multi-path routing. Ann. des Télécommunications 59 (11-12) (2004)
Nail Akar, Ezhan Karasan
Exact Calculation of Blocking Probabilities for Bufferless Optical Burst Switched Links with Partial Wavelenght Conversion. BROADNETS (2004)
Nail Akar, Cem Sahin
Dynamic Capacity Management for Voice Over Packet Networks. ISCC (2003)
Nail Akar, Cem Sahin
Reinforcement Learning as a Means of Dynamic Aggregate QoS Provisioning. Art-QoS (2003)
Ersin Sengul, Basak Can, Nail Akar, Yusuf Ziya Ider, Hayrettin Koymen
Capacity Analysis of a PMR System with DAB Downlink. ISCC (2003)
Eren Gürses, Gozde Bozdagi Akar, Nail Akar
Impact of scalability in video transmission in promotion-capable differentiated services networks. ICIP (3) (2002)
Towela P. R. Nyirenda-Jere, Victor S. Frost, Nail Akar
Traffic handling and network capacity in multi-service networks. GLOBECOM (2001)
Jaroslaw J. Sydir, Nina Taft Plotkin, Nail Akar
Using ATM Services for (In)Efficient Support of TCP. MASCOTS (1999)
Richard Rabbat, Kai-Yeung Siu, Nail Akar
Supporting differentiated services using ATM ABR service. ICCCN (1999)
Nail Akar, Nihat Cem Oguz, Khosrow Sohraby
Matrix-geometric solutions of M/G/1-type Markov chains: a unifying generalized state-space approach. IEEE J. Sel. Areas Commun. 16 (5) (1998)
Nail Akar, Nihat Cem Oguz, Khosrow Sohraby
TELPACK: an advanced teletraffic analysis package. IEEE Commun. Mag. 36 (8) (1998)
Nail Akar, Khosrow Sohraby
Finite and Infinite QBD Chains: A Simple and Unifying Algorithmic Approach. INFOCOM (1997)
Nail Akar, Khosrow Sohraby
A New Paradigm in Teletraffic Analysis of Communication Networks. INFOCOM (1996)
Nail Akar, Erdal Arikan
A Numerically Efficient Method for a MAP/D/1/K Queue when Space and Service Times are Independent. Queueing Syst. Theory Appl. 22 (1-2) (1996)
Nail Akar, Erdal Arikan
Markov Modulated Periodic Arrival Process Offered to an ATM Multiplexer. Perform. Evaluation 22 (2) (1995)