630 search results - page 71 / 126 » Hardness results for approximating the bandwidth |
156
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JCO
1998
15 years 5 months ago
1998
Facility location problems have always been studied with the assumption that the edge lengths in the network are static and do not change over time. The underlyingnetwork could be ...
242
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SECON
2010
IEEE
15 years 4 months ago
2010
IEEE
Nodes in a cognitive radio mesh network may select from a set of available channels to use provided they do not interfere with primary users. This ability can improve overall netwo...
167
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
189
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TSP
2012
14 years 1 months ago
2012
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
153
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MOBISYS
2007
ACM
16 years 5 months ago
2007
ACM
We report on the design, implementation, and evaluation of a system called Cedar that enables mobile database access with good performance over low-bandwidth networks. This is acc...