1804 search results - page 227 / 361 » On set systems with a threshold property |
157
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SAC
2010
ACM
16 years 1 months ago
2010
ACM
We study the fifo and causal multicast problem, two group-communication abstractions that deliver messages in an order consistent with their context. With fifo multicast, the co...
156
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GLOBECOM
2008
IEEE
16 years 28 days ago
2008
IEEE
Abstract—We investigate the reliability of radio channel simulators in capturing the important properties of radio channels throughout a well-specified environment. Indoor envir...
157
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ICC
2007
IEEE
16 years 24 days ago
2007
IEEE
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
155
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FOSAD
2007
Springer
16 years 19 days ago
2007
Springer
Abstract. We present a framework for designing and composing services in a secure manner. Services can enforce security policies locally, and can invoke other services in a “call...
124
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SSS
2007
Springer
16 years 17 days ago
2007
Springer
Flood is a communication primitive that can be used by the base station of a sensor network to send a copy of a message to every sensor in the network. When a sensor receives a fl...