Browse Research and Tech Reports - Computer Science by Author "Hou, Jennifer C."

  • Kim, Hwangnam; Lim, Hyuk; Hou, Jennifer C. (2004-04)
    In this paper, we present a rescaling simulation methodology (RSM) to expedite simulation in large-scale TCP/IP networks without loss of fidelity of simulation results. Conceptually, we scale down the network to be simulated ...

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  • Hu, Chunyu; Hou, Jennifer C. (2006-08)
    In this paper, we devise, in compliance with the IEEE 802.11e protocol [1], a novel MAC-centric approach, called MAC contention control (MCC), to maximizing the bandwidth utilization and achieving proportional bandwidth ...

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  • Zhang, Honghai; Hou, Jennifer C. (2005-04)
    In this paper we study the asymptotic minimum energy required to transport (via multiple hops) data packets from a source to a destination. Under the assumptions that nodes are distributed according to a Poisson point ...

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  • Zhang, Honghai; Hou, Jennifer C. (2004-07)
    In this paper, we investigate the minimum total power (termed as {\em critical total power}) required to ensure asymptotic k-connectivity in heterogeneous wireless networks where nodes may transmit using different levels ...

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  • Park, Kyung-Joon; Choi, Jihyuk; Hou, Jennifer C. (2007-05)
    We investigate the problem of maximizing network capacity sustained by IEEE 802.11 DCF in multi-hop wireless networks. By explicitly incorporating two key system parameters . carrier sense threshold and transmit power . ...

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  • Hu, Chunyu; Kim, Hwangnam; Hou, Jennifer C.; Chi, Dennis; Nandagopalan, Sai Shankar (2005-07)
    Quality of service (QoS) provisioning is one of the most important criteria in newly emerging UWB-operated WPANs, as they are expected to support a wide variety of applications from time-constrained, multimedia streaming ...

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  • Hu, Chunyu; Hou, Jennifer C. (2005-03)
    A major problem with leveraging event-driven, packet-level simulation environments, such as ns2 [15], J-Sim [1], OpNet [3]), and QualNet [4]), in conducting wireless network simulation is the vast number of events generated, ...

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  • Yang, Yong; Hou, I-Hong; Hou, Jennifer C.; Shankar, Millikarjun; Rao, Nageswara S. (2007-04)
    Ad-hoc networks of devices and sensors with (limited) sensing and wireless communication capabilities are becoming increasingly available for commercial and military applications. Under a national SensorNet initiative, we ...

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  • Zheng, Rong; He, Guanghui; Gupta, Indranil; Hou, Jennifer C.; Sha, Lui (2004-04)
    Time attribute is one of the most important attributes of time series data generated in wireless sensor networks. Coupled with energy, bandwidth, computational constraints of wireless sensors, efficient mechanisms need to ...

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  • Gao, Yan; Hou, Jennifer C.; Nguyen, Hoang (2007-05)
    In this paper we study the issue of topology control under the physical Signal-to-Interference-Noise-Ratio (SINR) model, with the objective of maximizing network capacity. We show that existing graph-model-based topology ...

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  • Li, Ning; Hou, Jennifer C. (2004-03)
    Previous work on topology control usually assumes homogeneous wireless nodes with uniform transmission ranges. In this paper, we propose two localized topology control algorithms for heterogeneous wireless multi-hop networks ...

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  • Hu, Chunyu; Hou, Jennifer C. (2005-12)
    The broadcast nature of the wireless medium and its susceptibility to interference not only affects the capacity of wireless networks but also has an impact on the fidelity, accuracy and efficiency of wireless network ...

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  • Sobeih, Ahmed A.; d'Amorim, Marcelo; Viswanathan, Mahesh; Marinov, Darko; Hou, Jennifer C. (2007-08)
    Verification and Validation (V&V) is a critically important phase in the development life cycle of a simulation model. In the context of network simulation, traditional network simulators perform well in using a simulation ...

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  • Sobeih, Ahmed A.; Yurcik, William; Hou, Jennifer C. (2004-08)
    This paper presents the design, analysis and performance evaluation of VRing, a novel application-layer multicast (ALM) protocol that establishes a virtual ring as an overlay network among the multicast group members in a ...

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  • Lim, Hyuk; Kung, Lu-Chuan; Hou, Jennifer C.; Luo, Haiyun (2005-08)
    With the technical advances in ubiquitous computing and wireless networking, there has been an increasing need to capture the context information (such as the location) and to figure it into applications. In this paper, ...

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