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WICON
2008
15 years 8 months ago
Traffic-aware dynamic spectrum access
Demand-driven spectrum allocation can drastically improve performance for WiFi access points struggling under increasing user demands. While their frequency agility makes cognitive...
Lei Yang, Lili Cao, Heather Zheng, Elizabeth M. Be...
IEICET
2007
76views more  IEICET 2007»
15 years 6 months ago
Performance Analysis of IEEE 802.11 DCF in a Multi-Rate WLAN
The IEEE 802.11 family of specifications is by far the most prominent and successful technique for accessing WLANs. Because the channel used by wireless devices is a time-varying...
Weikuo Chu, Yu-Chee Tseng
INFOCOM
2012
IEEE
13 years 9 months ago
Cuckoo sampling: Robust collection of flow aggregates under a fixed memory budget
—Collecting per-flow aggregates in high-speed links is challenging and usually requires traffic sampling to handle peak rates and extreme traffic mixes. Static selection of sa...
Josep Sanjuàs-Cuxart, Pere Barlet-Ros, Nick...
SIGIR
2012
ACM
13 years 9 months ago
An uncertainty-aware query selection model for evaluation of IR systems
We propose a mathematical framework for query selection as a mechanism for reducing the cost of constructing information retrieval test collections. In particular, our mathematica...
Mehdi Hosseini, Ingemar J. Cox, Natasa Milic-Frayl...
INFOCOM
2006
IEEE
16 years 19 days ago
CARA: Collision-Aware Rate Adaptation for IEEE 802.11 WLANs
— Today’s IEEE 802.11 WLANs (Wireless LANs) provide multiple transmission rates so that different rates can be exploited in an adaptive manner depending on the underlying chann...
Jongseok Kim, Seongkwan Kim, Sunghyun Choi, Daji Q...