17932 search results - page 87 / 3587 » Wireless communications systems |
148
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GLOBECOM
2008
IEEE
16 years 13 days ago
2008
IEEE
—MIMO-OFDM wireless systems require adaptive modulation and coding based on channel state information (CSI) to maximize throughput in changing wireless channels. Traditional adap...
177
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EMSOFT
2010
Springer
15 years 4 months ago
2010
Springer
Nucleos is a new runtime system for ultra-lightweight embedded systems. Central to Nucleos is a dispatcher based on the concept of e threaded code, which enables layers of abstrac...
151
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IPSN
2007
Springer
16 years 3 days ago
2007
Springer
This paper proposes a new application framework for group tour guiding services based on RFIDs and wireless sensor network. We consider a sensing field mixed with multiple indepe...
208
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ANCS
2010
ACM
15 years 3 months ago
2010
ACM
Over the past few years, researchers have developed many crosslayer wireless protocols to improve the performance of wireless networks. Experimental evaluations of these protocols...
186
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TSP
2010
15 years 20 days ago
2010
Abstract--This paper proposes a training-based channel estimation scheme for achieving quality-of-service discrimination between legitimate and unauthorized receivers in wireless m...