White Papers

Collaborative Downloading for Multi-Homed Wireless Devices

Category: Software and Web Development, Networking and Communications

Overview Mobile devices are increasingly equipped with multiple network interfaces: Wireless Local Area Network (WLAN) interfaces for local connectivity and Wireless Wide Area Network (WWAN) interfaces for wide-area connectivity. The WWAN typically provides much wider coverage but much lower speeds than the WLAN. To address this dichotomy, it considers collaborative downloading among mobile devices in close proximity. This paper demonstrates the potential benefits of such an approach and discusses the many challenges to realizing it in practice: incentivizing cooperation by adequately compensating nodes, effecting such cooperation via an efficient protocol, and facilitating it with a suitable user interface. This paper presents the current thinking on these as it design a collaborative downloading system called COMBINE.

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Publisher: Microsoft
File Format: PDF
Date Published: May 24, 2007
Format: White Papers
Topics: Wireless, Wireless LAN, Wide Area Networks (WAN)

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