Browse by Subject "wireless networks"

  • Chen, Chun-cheng; Seo, Eunsoo; Luo, Haiyun; Vaidya, Nitin H. (2006-06)
    The majority of existing wireless rate controls are based on the implicit assumption that frames are corrupted due to the random, arbitrary environmental and thermal noises. They generally reduce the channel rate on frame ...

    application/pdf

    application/pdfPDF (659Kb)
  • 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, ...

    application/pdf

    application/pdfPDF (176Kb)
  • Patel, Jay A.; Luo, Haiyun; Gupta, Indranil (2007-11)
    The design of single transceiver based multi-channel multi-hop wireless mesh networks focuses on the trade-off between rapid neighbor synchronization and maximizing the usage of all available channels. Existing designs are ...

    application/pdf

    application/pdfPDF (324Kb)
  • Chang, Sang-Yoon; Hu, Yih-Chun (2010-08-09)
    In reservation-based MAC protocols, adversaries that have compromised a node can perform an efficient denial-of service attack by sending excessive reservation requests. Attackers, having thus prevented legitimate users ...

    application/pdf

    application/pdfPDF (702Kb)
  • He, Wenbo; Nguyen, Hoang; Liu, Xue; Nahrstedt, Klara; Abdelzaher, Tarek F. (2006-11)
    Data aggregation is an efficient mechanism to collect statistics of data in wireless sensor networks. However, the shared-medium nature of communication facilitates eavesdropping and packet tampering/injection by adversaries. ...

    application/pdf

    application/pdfPDF (187Kb)
  • Raja, Adnan (2012-05-22)
    In this dissertation, tools from information theory are used to study multiterminal wireless networks. A compress-and-forward scheme with layered decoding is presented for the unicast and multi-source wireless network ...

    application/pdf

    application/pdfPDF (427Kb)
  • 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 ...

    application/pdf

    application/pdfPDF (232Kb)
  • Chen, Chun-cheng; Chekuri, Chandra (2007-08)
    As more and more cities plan to deploy municipal wireless mesh networks to provide publicly-accessible infrastructure, it becomes critical to come up with a deployment plan that provides sufficient accessibility with ...

    application/pdf

    application/pdfPDF (975Kb)
  • Xue, Yuan; Cui, Yi; Nahrstedt, Klara (2005-06)
    Energy efficient routing is a critical problem in multihop wireless networks due to the severe power constraint of wireless nodes. Despite its importance and many research efforts towards it, a distributed routing algorithm ...

    application/pdf

    application/pdfPDF (159Kb)
  • Xue, Yuan; Cui, Yi; Nahrstedt, Klara (2006-04)
    Energy efficient routing is a critical problem in multihop wireless networks due to the severe power constraint of wireless nodes. Despite its importance and many research efforts towards it, a distributed routing algorithm ...

    application/pdf

    application/pdfPDF (164Kb)
  • Choudhury, Romit Roy (2006-07)
    Wireless multihop networks are gaining popularity in applications such as mesh networks, wireless backbones, and sensor networks. Typically, communication protocols designed for such networks have explicitly or implicitly ...

    application/pdf

    application/pdfPDF (1Mb)