Wireless LANs: from WarChalking to open access networks

  • Authors:

  • Roberto Battiti;Renato Lo Cigno;Mikalai Sabel;Fredrik Orava;Björn Pehrson

  • Affiliations:

  • Department of Informatics and Telecommunications, Università di Trento, Povo, Trento, Italy;Department of Informatics and Telecommunications, Università di Trento, Povo, Trento, Italy;Department of Informatics and Telecommunications, Università di Trento, Povo, Trento, Italy;Department for Microelectronics and Information Technology, KTH, Kista, Sweden;Department for Microelectronics and Information Technology, KTH, Kista, Sweden

  • Venue:
  • Mobile Networks and Applications - Special issue: Wireless mobile wireless applications and services on WLAN hotspots
  • Year:
  • 2005

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Abstract

This work discusses the evolution of W-LANs from their current status of wireless termination of LAN services to a possible global infrastructure where the access networks become open to multiple operators and a vehicle of a win-win scenario, where both users and operators benefit from the new network architecture. The idea of Open Access Networks (OANs) can go beyond wireless HotSpots and be generalized to a generic shared access infrastructure that fosters service operators competition and drastically reduces the cost of last mile coverage.The general concept of Open Access Networks is detailed, highlighting its difference with the more traditional model of vertical integration of the access network into the global service. About the OANs development, it is shown how to support the quick and smooth evolution of the infrastructure toward a widespread and reliable communication support.Business models are discussed by mentioning the different actors, the market organization and the different organization forms.The final part of the paper is devoted to technical challenges such as access control, security, privacy, roaming, resource exploitation and service differentiation. As an example of how to tackle these problems, we discuss a pricing technique devoted to resource management and billing support.In addition we present a simulation on how the OAN concept can speed-up the deployment of broadband access in a real case.