17932 search results - page 292 / 3587 » Wireless communications systems |
151
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ICETET
2009
IEEE
16 years 21 days ago
2009
IEEE
For high data rate ultra wideband communication system, performance comparison of Rake, MMSE and RakeMMSE receivers is attempted in this paper. The effect of the number of Rake fin...
186
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NBIS
2009
Springer
16 years 17 days ago
2009
Springer
Abstract—The operation of achieving authenticated key agreement between two human-operated mobile devices over a short range wireless communication channel, such as Bluetooth or ...
298
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RTSS
2007
IEEE
16 years 9 days ago
2007
IEEE
Recent research shows that significant energy saving can be achieved in wireless sensor networks by using mobile elements (MEs) capable of carrying data mechanically. However, th...
184
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SECON
2007
IEEE
16 years 9 days ago
2007
IEEE
— Multiuser diversity is a phenomenon caused by channel variations among different users in a wireless network. Cooperative relaying provides another form of diversity due to the...
160
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SECON
2007
IEEE
16 years 9 days ago
2007
IEEE
— In wireless sensor networks, it is desirable to maintain good sensing coverage while keeping the number of active sensor nodes small to achieve long system lifetime. Existing c...