2743 search results - page 340 / 549 » Minimization of an M-convex Function |
148
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GLOBECOM
2007
IEEE
16 years 13 days ago
2007
IEEE
— Energy-ef ciency is one of the major concerns in wireless sensor networks since it impacts the network lifetime. In this paper, we investigate the relationship between sensor n...
135
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GLOBECOM
2007
IEEE
16 years 13 days ago
2007
IEEE
—The current overlay deployment model supports minimal or no involvement by ISPs in overlay deployment and operation. This model rules out a richer set of interactions between th...
192
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ICC
2007
IEEE
16 years 13 days ago
2007
IEEE
—Data gathering is a major function of many applications in wireless sensor networks (WSNs). The most important issue in designing a data gathering algorithm is how to save energ...
121
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ICC
2007
IEEE
16 years 13 days ago
2007
IEEE
—We consider the problem of designing a network which minimizes the total cost of the switching facilities and the fiber links, by choosing the subset of nodes at which to insta...
151
Voted
ICC
2007
IEEE
16 years 13 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...