369 search results - page 22 / 74 » A Distributed Opportunistic Access Scheme for OFDMA Systems |
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
—We venture beyond the “listen-before-talk” strategy that is common in many traditional cognitive radio access schemes. We exploit the bi-directional nature of most primary c...
WCNC
2010
IEEE
15 years 1 months ago
2010
IEEE
—The provision of very high data rates in a ubiquitous manner throughout the service area is a great challenge for 4G and beyond-4G wireless networks. Towards that end, the deplo...
SACMAT
2009
ACM
15 years 4 months ago
2009
ACM
Publish-subscribe (pub-sub) systems are useful for many applications, including pervasive environments. In the latter context, however, great care must be taken to preserve the pr...
IPPS
2008
IEEE
15 years 3 months ago
2008
IEEE
Transactional memory systems promise to reduce the burden of exposing thread-level parallelism in programs by relieving programmers from analyzing complex inter-thread dependences...
CORR
2008
Springer
14 years 8 months ago
2008
Springer
Abstract-- Two-tier networks, comprising a conventional cellular network overlaid with shorter range hotspots (e.g. femtocells, distributed antennas, or wired relays), offer an eco...