2340 search results - page 341 / 468 » Second quarter 2008 |
174
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Abstract-- We consider the problem of rate and power allocation in a fading multiple-access channel. Our objective is to obtain rate and power allocation policies that maximize a u...
170
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
Abstract. We introduce two min-max problems: the first problem is to minimize the supremum of finitely many rational functions over a compact basic semi-algebraic set whereas the s...
185
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
In this pair of papers (Part I and Part II in this issue), we investigate the issue of power control and subcarrier assignment in a sectorized two-cell downlink OFDMA system impair...
151
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
The secrecy capacity is developed for a class of relay channels with orthogonal components and a passive eavesdropper node. The relay and destination receive signals from the sourc...
178
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CSCW
2008
ACM
15 years 6 months ago
2008
ACM
This study examines visitors' use of two different electronic guidebook prototypes, the second an iteration of the first, that were developed to support social interaction bet...