19010 search results - page 3615 / 3802 » Adaptive A |
181
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WCNC
2010
IEEE
15 years 10 months ago
2010
IEEE
To mitigate inter-cell interference (ICI) and achieve higher spectrum efficiency, fractional frequency reuse (FFR) has been widely adopted by the next generation wireless systems...
218
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GRAPHITE
2007
ACM
15 years 10 months ago
2007
ACM
Because of their geometric complexity, high resolution 3D models, either designed in high-end modeling packages or acquired with range scanning devices, cannot be directly used in...
167
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
Efficient resource allocation in cellular OFDMA systems envisages the assignment of the number of subcarriers and the relative transmission format on the basis of the experimented ...
160
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
High efficiency in capacity utilization and fast restoration are two primary goals of survivable design in optical networks. Shared backup path protection has been shown to be effi...
167
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GLOBECOM
2009
IEEE
15 years 10 months ago
2009
IEEE
In this paper, cognitive transmission under quality of service (QoS) constraints is studied. In the cognitive radio channel model, it is assumed that the secondary transmitter sen...