2008 | ||
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57 | EE | Nasim Arianpoo, Yuxia Lin, Vincent W. S. Wong, Attahiru Sule Alfa: An Analytical Model for Prioritized Contention Access in ECMA-368 MAC Protocol. ICC 2008: 246-251 |
56 | EE | Jinting Wang, Jun Cai, Attahiru Sule Alfa: New Channel Model for Wireless Communications: Finite-State Phase-Type Semi-Markov Channel Model. ICC 2008: 4461-4465 |
55 | EE | Haitham Abu-Ghazaleh, Attahiru Sule Alfa: Mobility Prediction and Spatial-Temporal Traffic Estimation in Wireless Networks. VTC Spring 2008: 2203-2207 |
54 | EE | Nasim Arianpoo, Yuxia Lin, Vincent W. S. Wong, Attahiru Sule Alfa: Analysis of Distributed Reservation Protocol for UWB-Based WPANs with ECMA-368 MAC. WCNC 2008: 1553-1558 |
53 | EE | Attahiru Sule Alfa, Barbara Haas Margolius: Two classes of time-inhomogeneous Markov chains: Analysis of the periodic case. Annals OR 160(1): 121-137 (2008) |
52 | EE | Arash Abadpour, Attahiru Sule Alfa, J. Diamond: Video-on-Demand Network Design and Maintenance Using Fuzzy Optimization. IEEE Transactions on Systems, Man, and Cybernetics, Part B 38(2): 404-420 (2008) |
51 | EE | Arash Abadpour, Attahiru Sule Alfa, Anthony C. K. Soong: Closed Form Solution for Maximizing the Sum Capacity of Reverse-Link CDMA System with Rate Constraints. IEEE Transactions on Wireless Communications 7(4): 1179-1183 (2008) |
50 | EE | Jun Cai, Xuemin Shen, Jon W. Mark, Attahiru Sule Alfa: Semi-Distributed User Relaying Algorithm for Amplify-and-Forward Wireless Relay Networks. IEEE Transactions on Wireless Communications 7(4): 1348-1357 (2008) |
49 | EE | Attahiru Sule Alfa, Qi-Ming He: Algorithmic analysis of the discrete time GI. Perform. Eval. 65(9): 623-640 (2008) |
2007 | ||
48 | EE | Eugene Ng, Attahiru Sule Alfa: Optimizing Bandwidth Allocation of Different Traffic Classes for Traffic between an ISP and a Future Home Area Network. AICT 2007: 2 |
47 | EE | Arash Abadpour, Attahiru Sule Alfa, Anthony C. K. Soong: A More Realistic Approach to Information-Theoretic Sum Capacity of Reverse Link CDMA Systems in a Single Cell. ICC 2007: 314-319 |
46 | EE | Arash Abadpour, Attahiru Sule Alfa, Anthony C. K. Soong: Capacity-Share Controlled Information-Theoretic Sum Capacity of Reverse Link Single-Cell CDMA Systems. VTC Spring 2007: 2605-2609 |
45 | EE | Jingxiang Luo, Attahiru Sule Alfa: Traffic analysis of heterogeneous mobile cellular networks using "wrap-up" cell structure. Telecommunication Systems 34(3-4): 117-132 (2007) |
2006 | ||
44 | EE | Jun Cai, Xuemin Shen, Jon W. Mark, Attahiru Sule Alfa: Resource Allocation in Wireless Relay Networks. GLOBECOM 2006 |
43 | EE | Arash Abadpour, Attahiru Sule Alfa, Anthony C. K. Soong: Closed form solution for QoS: constrained information--theoretic sum capacity of reverse link CDMA systems. Q2SWinet 2006: 123-128 |
42 | EE | Attahiru Sule Alfa: Discrete-time analysis of the GI/G/1 system with Bernoulli retrials: An algorithmic approach. Annals OR 141(1): 51-66 (2006) |
41 | EE | Teerawat Issariyakul, Ekram Hossain, Attahiru Sule Alfa: End-to-End Batch Transmission in a Multihop and Multirate Wireless Network: Latency, Reliability, and Throughput Analysis. IEEE Trans. Mob. Comput. 5(9): 1143-1155 (2006) |
40 | EE | Afshin Fallahi, Ekram Hossain, Attahiru Sule Alfa: QoS and Energy Trade Off in Distributed Energy-Limited Mesh/Relay Networks: A Queuing Analysis. IEEE Trans. Parallel Distrib. Syst. 17(6): 576-592 (2006) |
39 | EE | Long Bao Le, Ekram Hossain, Attahiru Sule Alfa: Service differentiation in multirate wireless networks with weighted round-robin scheduling and ARQ-based error control. IEEE Transactions on Communications 54(2): 208-215 (2006) |
38 | EE | Long Bao Le, Ekram Hossain, Attahiru Sule Alfa: Radio link level performance evaluation in wireless networks using multi-rate transmission with ARQ-based error control. IEEE Transactions on Wireless Communications 5(10): 2647-2653 (2006) |
37 | EE | Long Bao Le, Ekram Hossain, Attahiru Sule Alfa: Delay Statistics and Throughput Performance for Multi-rate Wireless Networks Under Multiuser Diversity. IEEE Transactions on Wireless Communications 5(11): 3234-3243 (2006) |
2005 | ||
36 | EE | Mohammad M. Rashid, Attahiru Sule Alfa, Ekram Hossain, Muthucumaru Maheswaran: An Analytical Approach to Providing Controllable Differentiated Quality of Service in Web Servers. IEEE Trans. Parallel Distrib. Syst. 16(11): 1022-1033 (2005) |
35 | EE | Benny Van Houdt, Attahiru Sule Alfa: Response time in a tandem queue with blocking, Markovian arrivals and phase-type services. Oper. Res. Lett. 33(4): 373-381 (2005) |
34 | EE | Lothar Breuer, Attahiru Sule Alfa: An EM algorithm for platoon arrival processes in discrete time. Oper. Res. Lett. 33(5): 535-543 (2005) |
2004 | ||
33 | EE | Attahiru Sule Alfa, Bin Liu: Performance analysis of a mobile communication network: the tandem case. Computer Communications 27(3): 208-221 (2004) |
32 | EE | Attahiru Sule Alfa: Markov chain representations of discrete distributions applied to queueing models. Computers & OR 31(14): 2365-2385 (2004) |
31 | EE | Attahiru Sule Alfa, K. P. Sapna Isotupa: An M/PH/k retrial queue with finite number of sources. Computers & OR 31(9): 1455-1464 (2004) |
30 | EE | Attahiru Sule Alfa: Loss probability in an overloaded discrete-time GI/G/1/K system with very large K. Oper. Res. Lett. 32(5): 439-447 (2004) |
29 | EE | Bin Liu, Attahiru Sule Alfa: A queueing model with time-varying QoS and call dropping for evaluating the performance of CDMA cellular systems. Wireless Communications and Mobile Computing 4(4): 439-447 (2004) |
2003 | ||
28 | Selvamuthu Dharmaraja, Attahiru Sule Alfa: Performance Analysis of 3G Wireless Networks Supporting Voice, Data and Video Traffic. International Conference on Wireless Networks 2003: 495-498 | |
27 | EE | Attahiru Sule Alfa: Waiting time distribution of the MAP/D/k system in discrete time - a more efficient algorithm. Oper. Res. Lett. 31(3): 263-267 (2003) |
26 | EE | Attahiru Sule Alfa: An alternative approach for analyzing finite buffer queues in discrete time. Perform. Eval. 53(2): 75-92 (2003) |
25 | EE | Attahiru Sule Alfa: Vacation Models in Discrete Time. Queueing Syst. 44(1): 5-30 (2003) |
24 | EE | Attahiru Sule Alfa: Combined Elapsed Time and Matrix-Analytic Method for the Discrete Time GI/G/1 and GIX/G/1 Systems. Queueing Syst. 45(1): 5-25 (2003) |
23 | EE | Attahiru Sule Alfa: Vacation Models in Discrete Time. Queueing Syst. 45(4): 381-381 (2003) |
2002 | ||
22 | Attahiru Sule Alfa, Jungong Xue, Qiang Ye: Accurate computation of the smallest eigenvalue of a diagonally dominant M-matrix. Math. Comput. 71(237): 217-236 (2002) | |
21 | Eric Xu, Attahiru Sule Alfa: A vacation model for the non-saturated Readers and Writers system with a threshold policy. Perform. Eval. 50(4): 233-244 (2002) | |
20 | Attahiru Sule Alfa, Bin Liu: Performance Analysis of a Mobile Communication Network: Unidirectional Tandem Case with Phase Type Service. Telecommunication Systems 20(3-4): 241-254 (2002) | |
19 | Attahiru Sule Alfa, Lothar Breuer: An EM Algorithm for Platoon Arrival Processes in Discrete Time Universität Trier, Mathematik/Informatik, Forschungsbericht 02-07: (2002) | |
18 | Attahiru Sule Alfa, Wei Li: A Homogeneous PCS network with Markov Call Arrival Process and Phase Type Cell Residence Time. Wireless Networks 8(6): 597-605 (2002) | |
2001 | ||
17 | Attahiru Sule Alfa, Jungong Xue, Qiang Ye: Perturbation Theory for the Asymptotic Decay Rates in the Queues with Markovian Arrival Process and/or Markovian Service Process - Correction. Queueing Syst. 39(1): 5-6 (2001) | |
2000 | ||
16 | Attahiru Sule Alfa, Wei Li: Optimal (N, T)-policy for M/G/1 system with cost structures. Perform. Eval. 42(4): 265-277 (2000) | |
15 | Jeffrey E. Diamond, Attahiru Sule Alfa: On approximating higher order MAPs with MAPs of order two. Queueing Syst. 34(1-4): 269-288 (2000) | |
14 | Attahiru Sule Alfa, Jungong Xue, Qiang Ye: Perturbation Theory for the Asymptotic Decay Rates in the Queues with Markovian Arrival Process and/or Markovian Service Process. Queueing Syst. 36(4): 287-301 (2000) | |
13 | Attahiru Sule Alfa, Yu-Fei Shi: A discrete time-limited vacation model for the fair share scheduler. Telecommunication Systems 13(2-4): 167-197 (2000) | |
1999 | ||
12 | Imed Frigui, Attahiru Sule Alfa: Analysis of a discrete time table polling system with MAP input and time-limited service discipline. Telecommunication Systems 12(1): 51-77 (1999) | |
1998 | ||
11 | EE | Wei Li, Attahiru Sule Alfa: Actual Holding Times for Calls in a PCS Network. ICCCN 1998: 881-885 |
10 | EE | Imed Frigui, Attahiru Sule Alfa: Analysis of a time-limited polling system. Computer Communications 21(6): 558-571 (1998) |
9 | Jeffrey E. Diamond, Attahiru Sule Alfa: Matrix Analytical Model of an ATM Output Buffer with Self-Similar Traffic. Perform. Eval. 31(3-4): 201-210 (1998) | |
8 | EE | Attahiru Sule Alfa: Discrete time analysis of \mathrm{MAP}/\mathrm{PH}/1 vacation queue with gated time-limited service. Queueing Syst. 29(1): 35-54 (1998) |
7 | EE | Qi-Ming He, Attahiru Sule Alfa: The MMAP[K]/PH[K]/1 queues with a last-come-first-served preemptive service discipline. Queueing Syst. 29(2-4): 269-291 (1998) |
6 | Randall G. Martens, Attahiru Sule Alfa: A task-oriented priority queue for telephone switch design: with modified FCFS and forking. Telecommunication Systems 9(1): 97-112 (1998) | |
1997 | ||
5 | EE | Imed Frigui, Attahiru Sule Alfa: Three buffer-allocation schemes for a MAP/PH/1/K priority queue with vacations and an application to ATM networks. Broadband Networking Technologies 1997: 234-247 |
4 | EE | Imed Frigui, Richard Stone, Attahiru Sule Alfa: Message delay for a priority-based automatic meter reading network. Computer Communications 20(1): 38-47 (1997) |
3 | EE | Darryl Wayne Dormuth, Attahiru Sule Alfa: Two finite-difference methods for solving MAP(t)/PH(t)/1/K queueing models. Queueing Syst. 27(1-2): 55-78 (1997) |
1994 | ||
2 | Elias Yannopoulos, Attahiru Sule Alfa: An Approximation Method for Queues in Series with Blocking. Perform. Eval. 20(4): 373-390 (1994) | |
1991 | ||
1 | Attahiru Sule Alfa, Mingyuan Chen: Approximating Queue Lengths in Queue Using the Maximum Entropy Principle. Acta Inf. 28(8): 801-815 (1991) |