2142 search results - page 427 / 429 » Improved Conditional E-Payments |
TCOM
2010
13 years 6 months ago
2010
—Cooperative spectrum sensing has been shown to be able to greatly improve the sensing performance in cognitive radio networks. However, if cognitive users belong to different se...
TMC
2010
13 years 6 months ago
2010
—There are many situations in which an additional network interface—or two—can provide benefits to a mobile user. Additional interfaces can support parallelism in network flo...
TMC
2010
13 years 6 months ago
2010
—Localization is a fundamental problem in wireless sensor networks and its accuracy impacts the efficiency of location-aware protocols and applications, such as routing and stora...
TMC
2010
13 years 6 months ago
2010
—This paper focuses on multihop range-free localization in anisotropic wireless sensor networks. In anisotropic networks, geometric distance between a pair of sensor nodes is not...
TVCG
2010
13 years 6 months ago
2010
—Designing rotational symmetry fields on surfaces is an important task for a wide range of graphics applications. This work introduces a rigorous and practical approach for auto...