630 search results - page 71 / 126 » Hardness results for approximating the bandwidth |
107
Voted
JCO
1998
15 years 8 days 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 ...
151
Voted
SECON
2010
IEEE
14 years 10 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...
109
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ICASSP
2011
IEEE
14 years 4 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...
135
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TSP
2012
13 years 8 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...
102
Voted
MOBISYS
2007
ACM
16 years 6 days 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...