ACM MobiSys '17, Niagra Falls, New York

The PAWS group builds, experiments, and evaluates wireless systems that enable data networking, the localization of people, objects, and devices, and intuitive interaction with machines. Our work covers all aspects of wireless computer networks, from the basic architecture of the wireless physical layer to the reliable flow of data between Internet endpoints.

We thank the National Science Foundation and Google for supporting our work.

Spotlight: Wi-Fi Goes to Town

Zhenyu Song, Longfei Shangguan, Kyle Jamieson

Wi-Fi Goes to Town (forthcoming at SIGCOMM '17) is a Wi-Fi based roadside hotspot network designed to operate at vehicular speeds and picocell (meter-sized) cells.  Wi-Fi Goes to Town APs make delivery decisions to the vehicular clients they serve at millisecond-level granularities, exploiting very fine-grained path diversity in roadside networks.  In order to accomplish this, we introduce new buffer management algorithms that integrate with 802.11 frame aggregation to allow participating APs to manage each others' queues, rapidly quenching each others' transmissions and flushing each others' queues.


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