6122 search results - page 997 / 1225 » Securing network access in wireless sensor networks |
223
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MWCN
2004
Springer
16 years 18 days ago
2004
Springer
This paper analyzes the energy consumption of ad hoc nodes using IEEE 802.11 interfaces. Our objective is to provide theoretical limits on the lifetime gains that can be achieved b...
183
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JSAC
2006
15 years 7 months ago
2006
Ultra-wideband (UWB) wireless communication is a promising spread-spectrum technology that supports very high data rates and provides precise position information of mobile users. ...
188
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GLOBECOM
2010
IEEE
15 years 5 months ago
2010
IEEE
Cognitive radios, which enable the coexistence on the same bandwidth of licensed primary and unlicensed secondary users, have the potential for dramatically increasing the efficien...
205
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
1 A relay station (RS)-based cellular system deployment is considered, where multiple base stations (BS) cooperate in the BSRS in-band transmission for the downlink. With the joint...
209
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DKE
2007
15 years 7 months ago
2007
The periodic broadcasting of frequently requested data can reduce the workload of uplink channels and improve data access for users in a wireless network. Since mobile devices hav...