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TPDS
2010
134views more  TPDS 2010»
8 years 3 months ago
Null Data Frame: A Double-Edged Sword in IEEE 802.11 WLANs
Null data frames are a special but important type of frames in IEEE 802.11 WLANs. They are widely used in 802.11 WLANs for control purposes such as power management, channel scanni...
Wenjun Gu, Zhimin Yang, Dong Xuan, Weijia Jia, Can...
TON
2010
87views more  TON 2010»
8 years 3 months ago
Measuring Transmission Opportunities in 802.11 Links
Abstract-- We propose a powerful MAC/PHY cross-layer approach to measuring 802.11 transmission opportunities in WLAN networks on a per-link basis. Our estimator can operate at a si...
Domenico Giustiniano, David Malone, Douglas J. Lei...
CORR
2011
Springer
172views Education» more  CORR 2011»
8 years 3 months ago
Log-Convexity of Rate Region in 802.11e WLANs
—In this paper we establish the log-convexity of the rate region in 802.11 WLANs. This generalises previous results for Aloha networks and has immediate implications for optimisa...
Douglas J. Leith, Vijay G. Subramanian, Ken R. Duf...
GLOBECOM
2010
IEEE
8 years 6 months ago
Routing in Hybrid Mesh Networks of Cognitive and IEEE 802.11 Radios
Abstract--Cognitive radios (CRs) are devices that access spectrum opportunistically taking advantage of unused portions of licensed spectrum. Therefore, depending on the licensed r...
Marcel William Rocha da Silva, José Ferreir...
WIOPT
2010
IEEE
8 years 6 months ago
Performance tuning of Infrastructure-Mode wireless LANs
—Conventional wisdom about 802.11 WLANs dictates that as the number of active users increases, the contention windows (CW) of all the contending users needs to increase to preven...
Yigal Bejerano, Hyoung-Gyu Choi, Seung-Jae Han, Th...
VTC
2010
IEEE
157views Communications» more  VTC 2010»
8 years 6 months ago
Multi-Room IPTV Delivery through Pseudo-Broadcast over IEEE 802.11 Links
Abstract—The IEEE 802.11 wireless LAN (WLAN) is a timetested technology, but it is still evolving towards even higher speeds and richer features. For multi-room IPTV delivery, wh...
Yongtae Park, Chiho Jo, Sangki Yun, Hyogon Kim
CCR
2004
109views more  CCR 2004»
8 years 8 months ago
Turning 802.11 inside-out
The past decade has seen communication revolution in the form of cellular telephony as well as the Internet, but much of it has been restricted to the developed world and metro po...
Pravin Bhagwat, Bhaskaran Raman, Dheeraj Sanghi
TMC
2008
78views more  TMC 2008»
8 years 8 months ago
SELECT: Self-Learning Collision Avoidance for Wireless Networks
The limited number of orthogonal channels and autonomous installations of hotspots and home wireless networks often leave neighboring 802.11 basic service sets (BSSs) operating on ...
Chun-cheng Chen, Eunsoo Seo, Hwangnam Kim, Haiyun ...
JCP
2008
133views more  JCP 2008»
8 years 8 months ago
YAVISTA: A Graphical Tool for Comparing 802.11 Simulators
The difficulty to compare network simulators is a major obstacle to the broader adoption of these tools. This problem particularly affects 802.11 simulators because the 802.11 prot...
Ryad Ben-El-Kezadri, Farouk Kamoun
CORR
2010
Springer
136views Education» more  CORR 2010»
8 years 8 months ago
Max-min Fairness in 802.11 Mesh Networks
In this paper we build upon the recent observation that the 802.11 rate region is log-convex and, for the first time, characterise max-min fair rate allocations for a large class o...
Douglas J. Leith, Qizhi Cao, Vijay G. Subramanian
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