412 search results - page 12 / 83 » Utility maximization in peer-to-peer systems |
EWCBR
2004
Springer
15 years 1 months ago
2004
Springer
Abstract. A CBR system needs a good case retention strategy to decide which cases to incorporate into the case base in order to maximize the performance of the system. In this work...
TWC
2008
14 years 9 months ago
2008
In this paper, a dynamic subcarrier and power allocation problem is considered in the context of asymptotic utility maximization in multi-carrier systems. Using the gradient-based...
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GLOBECOM
2008
IEEE
14 years 10 months ago
2008
IEEE
—Conflict free spectrum allocation for secondary users in cognitive networks is a challenging problem, since the accessible spectrum is shared among users. The problem becomes to...
TSP
2008
14 years 9 months ago
2008
We consider two automatic repeat request (ARQ) schemes based on subcarrier assignment in orthogonal frequency-division multiplexing (OFDM)-based systems: single ARQ subcarrier assi...
CORR
2008
Springer
14 years 9 months ago
2008
Springer
This paper focuses on the cross-layer issue of resource allocation for energy efficiency in the uplink of a multiuser MIMO wireless communication system. Assuming that all of the ...