163 search results - page 25 / 33 » Analog representation and digital implementation of OFDM sys... |
MOBICOM
2012
ACM
11 years 11 months ago
2012
ACM
Given that full duplex (FD) and MIMO both employ multiple antenna resources, an important question that arises is how to make the choice between MIMO and FD? We show that optimal ...
ECMDAFA
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. Current mobile digital communication systems must implement rigorous operations to guarantee high levels of confidentiality and integrity during transmission of critical ...
OTM
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. Changes in the characterization of instances in digital content are one of the rationales to evolve ontologies that support a domain. These changes can have impacts on on...
GIS
2009
ACM
14 years 1 months ago
2009
ACM
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
BMCBI
2008
13 years 8 months ago
2008
Background: Bio-ontologies are key elements of knowledge management in bioinformatics. Rich and rigorous bio-ontologies should represent biological knowledge with high fidelity an...