wireless_sig - Characterizing User Behavior and Network...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Characterizing User Behavior and Network Performance in a Public Wireless LAN Anand Balachandran Geoffrey M. Voelker Paramvir Bahl P. Venkat Rangan U. C., San Diego U. C., San Diego Microsoft Research U. C., San Diego 9500 Gilman Dr. 0114 9500 Gilman Dr. 0114 One Microsoft Way 9500 Gilman Dr. 0114 La Jolla, CA 92093 La Jolla, CA 92093 Redmond, WA 98052 La Jolla, CA 92093 [email protected] [email protected] [email protected] [email protected] ABSTRACT This paper presents and analyzes user behavior and network perfor- mance in a public-area wireless network using a workload captured at a well-attended ACM conference. The goals of our study are: (1) to extend our understanding of wireless user behavior and wireless network performance; (2) to characterize wireless users in terms of a parameterized model for use with analytic and simulation stud- ies involving wireless LAN traffic; and (3) to apply our workload analysis results to issues in wireless network deployment, such as capacity planning, and potential network optimizations, such as al- gorithms for load balancing across multiple access points (APs) in a wireless network. 1. INTRODUCTION Advances in communication technology and the proliferation of lightweight, hand-held devices with built-in, high-speed radio ac- cess are making wireless access to the Internet the common case rather than an exception. Wireless LAN installations based on IEEE 802.11 [8] technology are emerging as an attractive solution for providing network connectivity in corporations and universi- ties, and in public places like conference venues, airports, shopping malls, etc. – places where individuals spend a considerable amount of their time outside of home and work. In addition to the con- venience of untethered networking, contemporary wireless LANs provide relatively high data connectivity at 11 Mb/s and are easy to deploy in public settings. As part of a larger research project, we have been exploring issues in implementing and deploying public-area wireless networks, and exploring optimizations for improving their performance [1]. In order to evaluate and validate the techniques that we are develop- ing, we consider it essential to use realistic workloads of user be- havior and wireless network performance to make design decisions and tradeoffs. However, since public wireless LANs have only re- cently become widely deployed, such workload characterizations are scarce. Initial studies of wireless networks have explored low- level error models and RF signal characteristics [5], installation and maintenance issues of a campus wireless network [3], user mobil- ity in a low-bandwidth metropolitan area network [18], and user behavior and traffic characteristics in a university department net- work [19] and, very recently, a college campus [11]. In this paper, we extend previous studies by presenting and analyz- ing user behavior and network performance in a public-area wire- less network using a trace recorded over three days at the ACM SIGCOMM’01 conference held at U.C. San Diego in August 2001.
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern