4345 search results - page 575 / 869 » Temporal Constraint Networks |
PIMRC
2008
IEEE
14 years 2 months ago
2008
IEEE
We analyze the performance ofvoice services over 3GPP WCDMA Networks for Release 99 and Release 7 deployments. We show, by using simulations, that the system capacity of Release 7 ...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract—In this paper, we propose a new adaptive MPLSenabled micro-mobility management scheme designed to track efficiently the mobility of nodes so as to minimize both handoff...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— Spectrum sensing is a key enabling functionality in cognitive radio (CR) networks, where the CRs act as secondary users that opportunistically access free frequency bands. Due ...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— Future success towards 3G and beyond systems is in supporting a variety of multimedia services with diverse quality-of-service (QoS) demands. With their inherent broadcast capa...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract—We explore the performance tradeoff between opportunistic and regulated access inherent in the design of multiuser cognitive radio networks. We consider a cognitive radi...