5493 search results - page 276 / 1099 » Effectively Polynomial Simulations |
168
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INFOCOM
2010
IEEE
15 years 5 months ago
2010
IEEE
We study the problem of finding the least-priced path (LPP) between a source and a destination in opportunistic spectrum access (OSA) networks. This problem is motivated by econo...
170
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WINET
2010
15 years 5 months ago
2010
Broadcasting is an efficient and scalable way of transmitting data over wireless channels to an unlimited number of clients. In this paper the problem of allocating data to multip...
195
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GLOBECOM
2010
IEEE
15 years 4 months ago
2010
IEEE
This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using orthogonal frequency-division mult...
166
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PIMRC
2010
IEEE
15 years 4 months ago
2010
IEEE
This paper tackles the problem of fast varying channel estimation in LTE systems. Particular attention is given to downlink transmission where OFDMA is used as the multiple access ...
225
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ECRTS
2009
IEEE
15 years 4 months ago
2009
IEEE
Allocation of bandwidth among components is a fundamental problem in compositional real-time systems. Stateof-the-art algorithms for bandwidth allocation use either exponential-ti...