Attahiru Sule Alfa

According to our database1, Attahiru Sule Alfa
  • authored at least 167 papers between 1982 and 2017.
  • has a "Dijkstra number"2 of four.

Timeline

Legend:

Book 
In proceedings 
Article 
PhD thesis 
Other 

Links

Homepage:

On csauthors.net:

Bibliography

2017
Dynamic Load-Balancing Spectrum Decision for Heterogeneous Services Provisioning in Multi-Channel Cognitive Radio Networks.
IEEE Trans. Wireless Communications, 2017

Optimal Control of State-Dependent Service Rates in a MAP/M/1 Queue.
IEEE Trans. Automat. Contr., 2017

A Survey on an Energy-Efficient and Energy-Balanced Routing Protocol for Wireless Sensor Networks.
Sensors, 2017

Optimization Techniques for Design Problems in Selected Areas in WSNs: A Tutorial.
Sensors, 2017

Resource allocation in heterogeneous cooperative cognitive radio networks.
Int. J. Communication Systems, 2017

Increased Spectrum Utilisation in a Cognitive Radio Network: An M#x002F;M#x002F;1-PS Queue Approach.
Proceedings of the 2017 IEEE Wireless Communications and Networking Conference, 2017

Optimal Scheduling in Cognitive Wireless Sensor Networks with Multiple Spectrum Access Opportunities.
Proceedings of the 2017 IEEE Wireless Communications and Networking Conference, 2017

Optimization Techniques for Routing Design Problems over Wireless Sensor Networks: A Short Tutorial.
Proceedings of the 6th International Conference on Sensor Networks (SENSORNETS 2017), 2017

Optimization and Scheduling of Queueing Systems for Communication Systems: OR Needs and Challenges.
Proceedings of the 6th International Conference on Operations Research and Enterprise Systems, 2017

2016
Cooperative Prediction for Cognitive Radio Networks.
Wireless Personal Communications, 2016

A coalitional game-based relay load balancing and power allocation scheme in decode-and-forward cellular relay networks.
Wireless Communications and Mobile Computing, 2016

An Incentive-Compatible Mechanism for Transmission Scheduling of Delay-Sensitive Medical Packets in E-Health Networks.
IEEE Trans. Mob. Comput., 2016

Some analysis results associated with the optimization problem for a discrete-time finite-buffer NT-policy queue.
Operational Research, 2016

Mixed-integer programming based techniques for resource allocation in underlay cognitive radio networks: A survey.
Journal of Communications and Networks, 2016

Strategic queueing behavior for individual and social optimization in managing discrete time working vacation queue with Bernoulli interruption schedule.
Computers & OR, 2016

Discrete time analysis of cognitive radio networks with imperfect sensing and saturated source of secondary users.
Computer Communications, 2016

Efficient resource allocation scheduling for MIMO-OFDMA-CR downlink systems.
Proceedings of the 8th International Conference on Wireless Communications & Signal Processing, 2016

Resource Allocation and Performance Measures in Multi-User Multi-Channel Cognitive Radio Networks.
Proceedings of the IEEE 83rd Vehicular Technology Conference, 2016

Randomized policy for transmission scheduling in cognitive wireless sensor networks.
Proceedings of the 9th IFIP Wireless and Mobile Networking Conference, 2016

The role of queueing theory in the design and analysis of wireless sensor networks: An insight.
Proceedings of the 14th IEEE International Conference on Industrial Informatics, 2016

Performance analysis of transmission scheduling in cognitive wireless sensor networks.
Proceedings of the 14th IEEE International Conference on Industrial Informatics, 2016

Decentralized channel assignment and power allocation in a full-duplex Cognitive radio network.
Proceedings of the 13th IEEE Annual Consumer Communications & Networking Conference, 2016

2015
Channel assignment schemes for cooperative spectrum sensing in multi-channel cognitive radio networks.
Wireless Communications and Mobile Computing, 2015

Using Lagrangian Relaxation for Radio Resource Allocation in High Altitude Platforms.
IEEE Trans. Wireless Communications, 2015

An Optimal Admission Control Protocol for Heterogeneous Multicast Streaming Services.
IEEE Trans. Communications, 2015

Construction of Markov chains for discrete time MAP/PH/K queues.
Perform. Eval., 2015

Algorithm for computing the queue length distribution at various time epochs in DMAP/G(1, a, b)/1/N queue with batch-size-dependent service time.
European Journal of Operational Research, 2015

Proactive channel access in cognitive radio networks using statistical radio environment maps.
EURASIP J. Wireless Comm. and Networking, 2015

Securing coalitional game for distributed cooperative spectrum sensing in multi-channel cognitive radio networks.
Electronic Commerce Research, 2015

A simple method to obtain the stochastic decomposition structure of the busy period in Geo/Geo/1/N vacation queue.
4OR, 2015

Dynamic load-balancing spectrum decision for cognitive radio networks with multi-class services.
Proceedings of the International Conference on Wireless Communications & Signal Processing, 2015

Resource allocation for heterogeneous cognitive radio networks.
Proceedings of the 2015 IEEE Wireless Communications and Networking Conference, 2015

Optimal Placement and Power Allocation for Jammers in Wireless Mesh Networks.
Proceedings of the IEEE 82nd Vehicular Technology Conference, 2015

Channel Assignments in Wireless Networks with Time-Varying Traffic Behaviors.
Proceedings of the 8th IFIP Wireless and Mobile Networking Conference, 2015

Massive MIMO and Femto Cells for Energy Efficient Cognitive Radio Networks.
Proceedings of the Cognitive Radio Oriented Wireless Networks, 2015

2014
Achieving Maximum Throughput in Random Access Protocols with Multipacket Reception.
IEEE Trans. Mob. Comput., 2014

Some decomposition results for a class of vacation queues.
Oper. Res. Lett., 2014

Power allocation framework for OFDMA-based decode-and-forward cellular relay networks.
Journal of Communications and Networks, 2014

Solving binary and continuous knapsack problems for radio resource allocation over High Altitude Platforms.
Proceedings of the 2014 Wireless Telecommunications Symposium, 2014

Optimal and Fair Rate Adaptation in Wireless Mesh Networks Based on Mathematical Programming and Game Theory.
Proceedings of the IEEE 80th Vehicular Technology Conference, 2014

Stationary Distribution of Molecules in NanoCommunication via Microtubules.
Proceedings of ACM The First Annual International Conference on Nanoscale Computing and Communication, 2014

2013
Adaptive dual-radio spectrum-sensing scheme in cognitive radio networks.
Wireless Communications and Mobile Computing, 2013

Molecular communication via microtubules and physical contact in nanonetworks: A survey.
Nano Comm. Netw., 2013

Cooperative sensing with transmit diversity based on randomised STBC in CR networks.
IJAACS, 2013

Analysis of cognitive radio networks with channel assembling, buffering, and imperfect sensing.
Proceedings of the 2013 IEEE Wireless Communications and Networking Conference (WCNC), 2013

A Game Theoretic Power Allocation and Relay Load Balancing in OFDMA-Based DF Cellular Relay Networks.
Proceedings of the 78th IEEE Vehicular Technology Conference, 2013

A model for bursty PU channel and its impact on the study of cognitive radio networks.
Proceedings of the 2013 9th International Wireless Communications and Mobile Computing Conference, 2013

A queueing theoretic model for opportunistic network coding.
Proceedings of the International Conference on Computing, Networking and Communications, 2013

Radio resource allocation for multicast transmissions over High Altitude Platforms.
Proceedings of the Workshops Proceedings of the Global Communications Conference, 2013

Power allocation framework for OFDMA-based relay-enhanced cellular networks.
Proceedings of the 10th IEEE Consumer Communications and Networking Conference, 2013

2012
Lightweight key management in distributed multi-channel cognitive radio networks.
Proceedings of the 31st IEEE Military Communications Conference, 2012

An improved channel model for cognitive radio.
Proceedings of IEEE International Conference on Communications, 2012

Performance analysis of cognitive radio networks with channel assembling and imperfect sensing.
Proceedings of IEEE International Conference on Communications, 2012

2011
A Weighted Queue-Based Model for Correlated Rayleigh and Rician Fading Channels.
IEEE Trans. Communications, 2011

Hybrid Linear Programming Based Decoding Algorithm for LDPC Codes.
IEEE Trans. Communications, 2011

Geometric tail of queue length of low-priority customers in a nonpreemptive priority MAP/PH/1 queue.
Queueing Syst., 2011

Analysis of a contention-based opportunistic spectrum access under general channel activity model.
Perform. Eval., 2011

Discrete Time Analysis of Cognitive Radio Networks with Saturated Source of Secondary Users.
Proceedings of the NETWORKING 2011 Workshops - International IFIP TC 6 Workshops, PE-CRN, 2011

Secure cooperative multi-channel spectrum sensing in cognitive radio networks.
Proceedings of the MILCOM 2011, 2011

Analysis of Cognitive Radio Networks with Channel Aggregation and Imperfect Sensing.
Proceedings of 20th International Conference on Computer Communications and Networks, 2011

Near Optimum Majority-Logic Based Decoding of Low-Density Parity-Check Codes.
Proceedings of IEEE International Conference on Communications, 2011

Channel Assignment of Cooperative Spectrum Sensing in Multi-Channel Cognitive Radio Networks.
Proceedings of IEEE International Conference on Communications, 2011

A Distributed Cooperative Attack on the Multi-Channel Spectrum Sensing: A Coalitional Game Study.
Proceedings of the Global Communications Conference, 2011

Predictive Channel Access in Cognitive Radio Networks Based on Variable Order Markov Models.
Proceedings of the Global Communications Conference, 2011

2010
Distributed Routing Schemes with Accessibility Consideration in Multi-Hop Wireless Networks.
IEEE Trans. Wireless Communications, 2010

Application of Mobility Prediction in Wireless Networks Using Markov Renewal Theory.
IEEE Trans. Vehicular Technology, 2010

Performance Analysis of Modified IEEE 802.11-Based Cognitive Radio Networks.
IEEE Communications Letters, 2010

Efficient Implementation of Interior Point Decoding Based on Barrier Function for LDPC Codes.
Proceedings of the 2010 IEEE Wireless Communications and Networking Conference, 2010

Balance the Trade-Off between the Accessibility and Performance of Distributed Routing Schemes in Multi-Hop Wireless Networks.
Proceedings of the 72nd IEEE Vehicular Technology Conference, 2010

Model for Call Acceptance Based on Handoff Guarantees for Two Classes of Users.
Proceedings of the 72nd IEEE Vehicular Technology Conference, 2010

Performance Analysis of a CSMA/CA Based MAC Protocol for Cognitive Radio Networks.
Proceedings of the 72nd IEEE Vehicular Technology Conference, 2010

Cooperative sensing with transmit diversity based on randomized STBC in CR networks.
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference, 2010

Hybrid Decoding of LDPC Codes Based on Interior Point Method.
Proceedings of IEEE International Conference on Communications, 2010

Hybrid Techniques for Large-Scale IP Traffic Matrix Estimation.
Proceedings of IEEE International Conference on Communications, 2010

Distributed Cooperative Multi-Channel Spectrum Sensing Based on Dynamic Coalitional Game.
Proceedings of the Global Communications Conference, 2010

An Improvement on the Soft Reliability-Based Iterative Majority-Logic Decoding Algorithm for LDPC Codes.
Proceedings of the Global Communications Conference, 2010

Queueing Theory for Telecommunications - Discrete Time Modelling of a Single Node System.
Springer, ISBN: 978-1-4419-7313-9, 2010

2009
Computationally efficient method for analyzing guard channel schemes.
Telecommunication Systems, 2009

A queueing model of delayed product differentiation.
European Journal of Operational Research, 2009

A class of multi-server queueing system with server failures.
Computers & Industrial Engineering, 2009

Low-complexity iterative detection and decoding in finite geometry LDPC-coded MIMO systems.
Proceedings of the IEEE 20th International Symposium on Personal, 2009

Distributed routing schemes for multi-hop fixed relay networks.
Proceedings of the International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly, 2009

Discrete-time analysis of packet data discarding in high speed multimedia networks.
Proceedings of the 14th IEEE Symposium on Computers and Communications (ISCC 2009), 2009

Optimal Channel Sensing in Wireless Communication Networks with Cognitive Radio.
Proceedings of IEEE International Conference on Communications, 2009

Greedy Sub-Channel Redistribution Routing Scheme in Multi-Hop Wireless OFDMA Networks.
Proceedings of the Global Communications Conference, 2009. GLOBECOM 2009, Honolulu, Hawaii, USA, 30 November, 2009

2008
Semi-Distributed User Relaying Algorithm for Amplify-and-Forward Wireless Relay Networks.
IEEE Trans. Wireless Communications, 2008

Packet level performance analysis in wireless user-relaying networks.
IEEE Trans. Wireless Communications, 2008

Closed Form Solution for Maximizing the Sum Capacity of Reverse-Link CDMA System with Rate Constraints.
IEEE Trans. Wireless Communications, 2008

Video-on-Demand Network Design and Maintenance Using Fuzzy Optimization.
IEEE Trans. Systems, Man, and Cybernetics, Part B, 2008

Algorithmic analysis of the discrete time GI.
Perform. Eval., 2008

Selecting batch size in discrete-time two-phase queuing system.
Mathematical and Computer Modelling, 2008

Phase-type models for cellular networks supporting voice, video and data traffic.
Mathematical and Computer Modelling, 2008

Models for Call Acceptance Based on Handoff Guarantees.
EURASIP J. Wireless Comm. and Networking, 2008

Two classes of time-inhomogeneous Markov chains: Analysis of the periodic case.
Annals OR, 2008

Analysis of Distributed Reservation Protocol for UWB-Based WPANs with ECMA-368 MAC.
Proceedings of the WCNC 2008, IEEE Wireless Communications & Networking Conference, March 31 2008, 2008

Mobility Prediction and Spatial-Temporal Traffic Estimation in Wireless Networks.
Proceedings of the 67th IEEE Vehicular Technology Conference, 2008

New Channel Model for Wireless Communications: Finite-State Phase-Type Semi-Markov Channel Model.
Proceedings of IEEE International Conference on Communications, 2008

An Analytical Model for Prioritized Contention Access in ECMA-368 MAC Protocol.
Proceedings of IEEE International Conference on Communications, 2008

2007
Traffic analysis of heterogeneous mobile cellular networks using "wrap-up" cell structure.
Telecommunication Systems, 2007

Efficient Computations for the Discrete GI/G/1 System.
INFORMS Journal on Computing, 2007

Capacity-Share Controlled Information-Theoretic Sum Capacity of Reverse Link Single-Cell CDMA Systems.
Proceedings of the 65th IEEE Vehicular Technology Conference, 2007

A More Realistic Approach to Information-Theoretic Sum Capacity of Reverse Link CDMA Systems in a Single Cell.
Proceedings of IEEE International Conference on Communications, 2007

Optimizing Bandwidth Allocation of Different Traffic Classes for Traffic between an ISP and a Future Home Area Network.
Proceedings of the Third Advanced International Conference on Telecommunications (AICT 2007), 2007

2006
Delay Statistics and Throughput Performance for Multi-rate Wireless Networks Under Multiuser Diversity.
IEEE Trans. Wireless Communications, 2006

Radio link level performance evaluation in wireless networks using multi-rate transmission with ARQ-based error control.
IEEE Trans. Wireless Communications, 2006

QoS and Energy Trade Off in Distributed Energy-Limited Mesh/Relay Networks: A Queuing Analysis.
IEEE Trans. Parallel Distrib. Syst., 2006

End-to-End Batch Transmission in a Multihop and Multirate Wireless Network: Latency, Reliability, and Throughput Analysis.
IEEE Trans. Mob. Comput., 2006

Service differentiation in multirate wireless networks with weighted round-robin scheduling and ARQ-based error control.
IEEE Trans. Communications, 2006

Discrete-time analysis of the GI/G/1 system with Bernoulli retrials: An algorithmic approach.
Annals OR, 2006

Closed form solution for QoS: constrained information--theoretic sum capacity of reverse link CDMA systems.
Proceedings of the Q2SWinet'06, 2006

IP Traffic Matrix Estimation Methods: Comparisons and Improvements.
Proceedings of IEEE International Conference on Communications, 2006

Resource Allocation in Wireless Relay Networks.
Proceedings of the Global Telecommunications Conference, 2006. GLOBECOM '06, San Francisco, CA, USA, 27 November, 2006

2005
An Analytical Approach to Providing Controllable Differentiated Quality of Service in Web Servers.
IEEE Trans. Parallel Distrib. Syst., 2005

Response time in a tandem queue with blocking, Markovian arrivals and phase-type services.
Oper. Res. Lett., 2005

An EM algorithm for platoon arrival processes in discrete time.
Oper. Res. Lett., 2005

Scheduling Stochastic jobs on a repairable machine with general phase type uptime.
Math. Meth. of OR, 2005

Performance analysis and adaptive call admission control in cellular mobile networks with time-varying traffic.
Proceedings of IEEE International Conference on Communications, 2005

Queueing analysis and admission control for multi-rate wireless networks with opportunistic scheduling and ARQ-based error control.
Proceedings of IEEE International Conference on Communications, 2005

Markov-based analysis of end-to-end batch transmission in a multi-hop wireless network.
Proceedings of IEEE International Conference on Communications, 2005

Analysis of latency for reliable end-to-end batch transmission in multi-rate multi-hop wireless networks.
Proceedings of IEEE International Conference on Communications, 2005

Exact distribution of access delay in IEEE 802.11 DCF MAC.
Proceedings of the Global Telecommunications Conference, 2005. GLOBECOM '05, St. Louis, Missouri, USA, 28 November, 2005

2004
A queueing model with time-varying QoS and call dropping for evaluating the performance of CDMA cellular systems.
Wireless Communications and Mobile Computing, 2004

Lifetime replacement policy in discrete time for a single unit system.
Rel. Eng. & Sys. Safety, 2004

Loss probability in an overloaded discrete-time GI/G/1/K system with very large K.
Oper. Res. Lett., 2004

An M/PH/k retrial queue with finite number of sources.
Computers & OR, 2004

Markov chain representations of discrete distributions applied to queueing models.
Computers & OR, 2004

Performance analysis of a mobile communication network: the tandem case.
Computer Communications, 2004

Performance analysis of multi-service wireless cellular networks with MMPP call arrival patterns.
Proceedings of the Global Telecommunications Conference, 2004. GLOBECOM '04, Dallas, Texas, USA, 29 November, 2004

Queuing analysis for radio link level scheduling in a multi-rate TDMA wireless network.
Proceedings of the Global Telecommunications Conference, 2004. GLOBECOM '04, Dallas, Texas, USA, 29 November, 2004

2003
Vacation Models in Discrete Time.
Queueing Syst., 2003

Combined Elapsed Time and Matrix-Analytic Method for the Discrete Time GI/G/1 and GIX/G/1 Systems.
Queueing Syst., 2003

Vacation Models in Discrete Time.
Queueing Syst., 2003

An alternative approach for analyzing finite buffer queues in discrete time.
Perform. Eval., 2003

Waiting time distribution of the MAP/D/k system in discrete time - a more efficient algorithm.
Oper. Res. Lett., 2003

Performance Analysis of 3G Wireless Networks Supporting Voice, Data and Video Traffic.
Proceedings of the International Conference on Wireless Networks, 2003

2002
An EM Algorithm for Platoon Arrival Processes in Discrete Time
Universität Trier, Mathematik/Informatik, Forschungsbericht, 2002

A Homogeneous PCS network with Markov Call Arrival Process and Phase Type Cell Residence Time.
Wireless Networks, 2002

PCS networks with correlated arrival process and retrial phenomenon.
IEEE Trans. Wireless Communications, 2002

Performance Analysis of a Mobile Communication Network: Unidirectional Tandem Case with Phase Type Service.
Telecommunication Systems, 2002

A vacation model for the non-saturated Readers and Writers system with a threshold policy.
Perform. Eval., 2002

Entrywise perturbation theory for diagonally dominant M-matrices with applications.
Numerische Mathematik, 2002

Accurate computation of the smallest eigenvalue of a diagonally dominant M-matrix.
Math. Comput., 2002

2001
Perturbation Theory for the Asymptotic Decay Rates in the Queues with Markovian Arrival Process and/or Markovian Service Process - Correction.
Queueing Syst., 2001

2000
Channel reservation for handoff calls in a PCS network.
IEEE Trans. Vehicular Technology, 2000

A discrete time-limited vacation model for the fair share scheduler.
Telecommunication Systems, 2000

On approximating higher order MAPs with MAPs of order two.
Queueing Syst., 2000

Perturbation Theory for the Asymptotic Decay Rates in the Queues with Markovian Arrival Process and/or Markovian Service Process.
Queueing Syst., 2000

Optimal (N, T)-policy for M/G/1 system with cost structures.
Perform. Eval., 2000

1999
Analysis of a discrete time table polling system with MAP input and time-limited service discipline.
Telecommunication Systems, 1999

A PCS network with correlated arrival process and splitted-rating channels.
IEEE Journal on Selected Areas in Communications, 1999

Approximation method for M/PH/1 retrial queues with phase type inter-retrial times.
European Journal of Operational Research, 1999

1998
A task-oriented priority queue for telephone switch design: with modified FCFS and forking.
Telecommunication Systems, 1998

The MMAP[K]/PH[K]/1 queues with a last-come-first-served preemptive service discipline.
Queueing Syst., 1998

Discrete time analysis of \mathrm{MAP}/\mathrm{PH}/1 vacation queue with gated time-limited service.
Queueing Syst., 1998

Matrix Analytical Model of an ATM Output Buffer with Self-Similar Traffic.
Perform. Eval., 1998

Analysis of a time-limited polling system.
Computer Communications, 1998

Actual Holding Times for Calls in a PCS Network.
Proceedings of the International Conference On Computer Communications and Networks (ICCCN 1998), 1998

1997
Two finite-difference methods for solving MAP(t)/PH(t)/1/K queueing models.
Queueing Syst., 1997

Message delay for a priority-based automatic meter reading network.
Computer Communications, 1997

Three buffer-allocation schemes for a MAP/PH/1/K priority queue with vacations and an application to ATM networks.
Proceedings of the Broadband Networking Technologies, Dallas, TX, USA, November 2, 1997, 1997

1995
Modelling Vehicular Traffic Using the Discrete Time Markovian Arrival Process.
Transportation Science, 1995

Performance analysis of a telephone system with both patient and impatient customers.
Telecommunication Systems, 1995

A discrete MAP/PH/1 queue with vacations and exhaustive time-limited service.
Oper. Res. Lett., 1995

1994
An Approximation Method for Queues in Series with Blocking.
Perform. Eval., 1994

1991
A Network Design Algorithm Using a Stochastic Incremental Traffic Assignment Approach.
Transportation Science, 1991

Approximating Queue Lengths in M(t)/G/1 Queue Using the Maximum Entropy Principle.
Acta Inf., 1991

1982
Time-Inhomogenous Bulk Server Queue in Discrete Time: A Transportation Type Problem.
Operations Research, 1982


  Loading...