Abstract— Adaptive transmission techniques including transmit beamforming, precoding, and opportunistic scheduling offer high spectral efficiency when channel state information ...
Frederick K. H. Lee, Mai H. Vu, Arogyaswami Paulra...
Global vision consensus on the next generation of wireless mobile communications, broadly termed 4G, sketches a hybrid infrastructure, comprising different wireless access systems ...
Vangelis Gazis, Nancy Alonistioti, Lazaros F. Mera...
Ubiquitous communications require wireless networking and infrastructure network support. The first step is to look at how the different available technologies will integrate and w...
Differentiated Services (DS) is currently the major approach discussed to provide network layer service differentiation in IP networks. However, the discussion mainly addresses ...
Abstract—Identity Management (IdM) on the application layer improves the usability and security for end users by offering features like Single Sign-On and attribute provisioning....