17932 search results - page 331 / 3587 » Wireless communications systems |
168
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
Several research efforts as well as deployments have chosen IEEE 802.11 as a low-cost, long-distance access technology to bridge the digital divide. In this paper, we consider the...
127
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MOBISYS
2009
ACM
16 years 6 months ago
2009
ACM
Wi-Fi clients can obtain much better performance at some commercial hotspots than at others. Unfortunately, there is currently no way for users to determine which hotspot access p...
124
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GLOBECOM
2008
IEEE
16 years 22 days ago
2008
IEEE
In this study, the impact of mobility is investigated in low-speed environments such as femtocells and picocells for wireless networks. Given that there is interference on the upl...
142
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VTC
2006
IEEE
16 years 8 days ago
2006
IEEE
— WLANs will become a major portion of the fourth generation (4G) cellular system. The seamless handoff problem in WLANs is a very important design issue to support the new astou...
198
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DEXAW
2005
IEEE
15 years 12 months ago
2005
IEEE
In this paper we present Energy Aware Random Asynchronous Wakeup (RAW-E), a novel crosslayer power management and routing protocol for heterogeneous wireless sensor and actor netw...