5657 search results - page 797 / 1132 » Micropayments for Wireless Communications |
189
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Relay power allocation has been shown to provide substantial performance gain in wireless relay channels when perfect global channel state information (CSI) is available. In th...
199
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— This paper proposes a two-layer Joint Radio Resource Management (JRRM) framework to improve the efficiency in multi-radio and multi-operator cellular scenarios. On the one hand...
203
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— Many previously proposed routing metrics and algorithms for ad hoc networks work well in static networks, however, when nodes are moving and wireless links may fail from time t...
158
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— We consider the problem of detecting a primary user signal over a wireless channel by a cognitive radio with multiple antennas. We present a multiple antenna processing based e...
181
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INFOCOM
2007
IEEE
16 years 1 months ago
2007
IEEE
—We consider the problem of uplink/downlink scheduling in a multichannel wireless access point network where channel states differ across channels as well as users, vary with tim...