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 Jason Liu

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Average citations per article8.03
Citation Count514
Publication count64
Publication years1999-2019
Available for download46
Average downloads per article258.59
Downloads (cumulative)11,895
Downloads (12 Months)421
Downloads (6 Weeks)38
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57 results found Export Results: bibtexendnoteacmrefcsv

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41
January 2006 Simulation: Volume 82 Issue 1, January 2006
Publisher: Society for Computer Simulation International
Bibliometrics:
Citation Count: 11

The Real-Time Immersive Network Simulation Environment (RINSE) simulator is being developed to support large-scale network security preparedness and training exercises, involving hundreds of players and a modeled network composed of hundreds of local-area networks (LANs). The simulator must be able to present a realistic rendering of network behavior as attacks ...
Keywords: networking, security, Simulation, emulation

42
December 2005 WSC '05: Proceedings of the 37th conference on Winter simulation
Publisher: Winter Simulation Conference
Bibliometrics:
Citation Count: 7
Downloads (6 Weeks): 0,   Downloads (12 Months): 3,   Downloads (Overall): 768

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This tutorial paper reviews existing concepts and future directions in selected areas related to simulation of large-scale networks. It covers specifically topics in traffic modeling, simulation of routing, network emulation, and real-time simulation.

43
June 2005 PADS '05: Proceedings of the 19th Workshop on Principles of Advanced and Distributed Simulation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 22
Downloads (6 Weeks): 1,   Downloads (12 Months): 10,   Downloads (Overall): 434

Full text available: PDFPDF
The RINSE simulator is being developed to support large-scale network security preparedness and training exercises, involving hundreds of players and a modeled network composed of hundreds of LANs. The simulator must be able to present a realistic rendering of network behavior as attacks are launched and players diagnose events and ...

44
April 2005 Simulation: Volume 81 Issue 4, April 2005
Publisher: Society for Computer Simulation International
Bibliometrics:
Citation Count: 13

Computer simulation has been used extensively as an effective tool in the design and evaluation of systems. One should not, however, underestimate the importance of validation--the process of ensuring whether a simulation model is an appropriate representation of the real-world system. Validation of wireless network simulations is difficult due to ...
Keywords: Wireless network simulation, simulation verification and validation, trace-driven simulation, direct-execution simulation

45 published by ACM
October 2004 MSWiM '04: Proceedings of the 7th ACM international symposium on Modeling, analysis and simulation of wireless and mobile systems
Publisher: ACM
Bibliometrics:
Citation Count: 117
Downloads (6 Weeks): 10,   Downloads (12 Months): 78,   Downloads (Overall): 2,381

Full text available: PDFPDF
All analytical and simulation research on ad~hoc wireless networks must necessarily model radio propagation using simplifying assumptions. We provide a comprehensive review of six assumptions that are still part of many ad hoc network simulation studies, despite increasing awareness of the need to represent more realistic features, including hills, obstacles, ...
Keywords: MANET, network simulation, wireless network, 802.11, Wi-Fi, experiment, ad hoc network, measurement, mobile computing

46 published by ACM
October 2004 MSWiM '04: Proceedings of the 7th ACM international symposium on Modeling, analysis and simulation of wireless and mobile systems
Publisher: ACM
Bibliometrics:
Citation Count: 33
Downloads (6 Weeks): 2,   Downloads (12 Months): 7,   Downloads (Overall): 1,412

Full text available: PDFPDF
Most comparisons of wireless ad hoc routing algorithms involve simulated or indoor trial runs, or outdoor runs with only a small number of nodes, potentially leading to an incorrect picture of algorithm performance. In this paper, we report on an outdoor comparison of four different routing algorithms, APRL, AODV, ODMRP, ...
Keywords: wireless ad hoc routing, 802.11, mobile computing, MANET

47 published by ACM
May 2004 PADS '04: Proceedings of the eighteenth workshop on Parallel and distributed simulation
Publisher: ACM
Bibliometrics:
Citation Count: 19
Downloads (6 Weeks): 0,   Downloads (12 Months): 0,   Downloads (Overall): 289

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Computer simulation is the most common approach to studying wireless ad-hoc routing algorithms. The results, however, are only as good as the models the simulation uses. One should not underestimate the importance of validation , as inaccurate models can lead to wrong conclusions. In this paper, we use direct-execution simulation ...

48
December 2003 WSC '03: Proceedings of the 35th conference on Winter simulation: driving innovation
Publisher: Winter Simulation Conference
Bibliometrics:
Citation Count: 31
Downloads (6 Weeks): 0,   Downloads (12 Months): 1,   Downloads (Overall): 250

Full text available: PDFPDF
Some applications of simulation require that the model state be advanced in simulation time faster than the wall-clock time advances as the simulation executes. This <i>faster than real-time</i> requirement is crucial, for instance, when a simulation is used as part of a real-time control system, working through the consequences of ...

49
December 2003 WSC '03: Proceedings of the 35th conference on Winter simulation: driving innovation
Publisher: Winter Simulation Conference
Bibliometrics:
Citation Count: 11
Downloads (6 Weeks): 0,   Downloads (12 Months): 3,   Downloads (Overall): 469

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A number of network simulators are now capable of simulating systems with millions of devices, at the IP packet level. With this ability comes a need for realistic network descriptions of commensurate size. This paper describes our effort to build a detailed model of the U.S. Internet backbone based on ...

50
June 2003 PADS '03: Proceedings of the seventeenth workshop on Parallel and distributed simulation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 0
Downloads (6 Weeks): 0,   Downloads (12 Months): 0,   Downloads (Overall): 213

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Large-scale parallel discrete event simulations of massivenetworks, such as the Internet, are "Grand Challenge"problems: packet level simulation of even a small fraction ofthe Internet would consume the resources of the most powerfulcomputers available. We reimplement the SSF ScalableSimulation Framework so we can run large-scale networksimulations originally written for DaSSF. Our ...

51
May 2002 PADS '02: Proceedings of the sixteenth workshop on Parallel and distributed simulation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 21
Downloads (6 Weeks): 1,   Downloads (12 Months): 2,   Downloads (Overall): 471

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Rapid growth in wireless communication systems motivates the development of technology supporting the simulation of large-scale wireless systems. However, it is widely recognized that wireless communications do not have substantial "lookahead" needed by conservative synchronization protocols. This paper focuses on identifying and exploiting lookahead for such models. We find lookahead ...
Keywords: parallel simulation, parallel discrete-event simulation, synchronization, performance, lookahead, conservative parallelsimulation, wireless networks, ad hoc networks, sensor networks.

52
May 2002 IEEE Transactions on Parallel and Distributed Systems: Volume 13 Issue 5, May 2002
Publisher: IEEE Press
Bibliometrics:
Citation Count: 26

This paper considers a technique for composing global (barrier-style) and local (channel scanning) synchronization protocols within a single parallel discrete-event simulation. Composition is attractive because it allows one to tailor the synchronization mechanism to the model being simulated. We first motivate the problem by showing the large performance gap that ...
Keywords: Synchronization, simulation, parallel processing, performance, optimization.

53
December 2001 WSC '01: Proceedings of the 33nd conference on Winter simulation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 4
Downloads (6 Weeks): 0,   Downloads (12 Months): 4,   Downloads (Overall): 507

Full text available: PDFPDF
The IEEE 802.11 standard is a widely used protocol for wireless communications. It is a moderately complex algorithm involving collision detection, dynamic backoffs, channel reservations, and acknowledgments. Detailed simulation of 802.11 requires some care, and considerable execution time. We are interested in developing a rapidly executable model of 802.11's effect ...

54
May 2001 PADS '01: Proceedings of the fifteenth workshop on Parallel and distributed simulation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 9
Downloads (6 Weeks): 0,   Downloads (12 Months): 3,   Downloads (Overall): 279

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With fixed lookahead information in a simulation model, the overhead of asynchronous conservative parallel simulation lies in the mechanism used for propagating time updates in order for logical processes to safely advance their local simulation clocks. Studies have shown that a good scheduling algorithm should preferentially schedule processes containing events ...

55
May 2001 PADS '01: Proceedings of the fifteenth workshop on Parallel and distributed simulation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 12
Downloads (6 Weeks): 0,   Downloads (12 Months): 2,   Downloads (Overall): 75

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Strong reasons exist for executing a large-scale discrete-event simulation on a cluster of processor nodes (each of which may be a shared-memory multiprocessor or a uniprocessor). This is the architecture of the largest scale parallel machines, and so the largest simulation problems can only be solved this way. It is ...

56
May 2000 PADS '00: Proceedings of the fourteenth workshop on Parallel and distributed simulation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 3
Downloads (6 Weeks): 0,   Downloads (12 Months): 2,   Downloads (Overall): 178

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This paper visits issues that recur in consideration of simulation time-stamps, in the context of building very large simulation models from components developed by different groups, at different times. A key problem here is “safety”, loosely defined to mean that unintended model behavior does not occur due to unpredictable behavior ...

57
May 1999 PADS '99: Proceedings of the thirteenth workshop on Parallel and distributed simulation
Publisher: IEEE Computer Society
Bibliometrics:
Citation Count: 16
Downloads (6 Weeks): 0,   Downloads (12 Months): 1,   Downloads (Overall): 422

Full text available: PDFPDF
There are at least three major obstacles thwarting wide-spread adoption of parallel discrete-event simulation (a) lack of need, (b) lack of tools, (c) lack of predictability in behavior and performance. The plain truth is that most simulation studies can be adequately done on ordinary serial computers. Parallel simulation tools are ...



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