235 search results - page 3 / 47 » Rate and Power Allocation in Fading Multiple Access Channels |
TWC
2008
13 years 5 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
WIOPT
2005
IEEE
13 years 10 months ago
2005
IEEE
In this paper we develop distributed approaches for power allocation and scheduling in wireless access networks. We consider a model where users communicate over a set of parallel...
ICC
2009
IEEE
13 years 12 months ago
2009
IEEE
Abstract—This paper investigates Orthogonal FrequencyDivision Multiple-Access (OFDMA) resource-allocation schemes for two-hop relays in a home Powerline Communication (PLC) netwo...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— We address a lifetime maximization problem for a single-hop wireless sensor network where multiple sensors encode and communicate their measurements of a Gaussian random source...
JCM
2008
13 years 5 months ago
2008
Cooperative transmission has been used to achieve diversity gain through partner to create multiple independent fading channels. It has attracted lots of research attention in rece...