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BROADNETS
2004
IEEE
13 years 8 months ago
The Effects of the Sub-Carrier Grouping on Multi-Carrier Channel Aware Scheduling
Channel-aware scheduling and link adaptation (LA) methods are widely considered to be crucial for realizing high data rates in wireless networks. Multi-carrier systems that spread...
Fanchun Jin, Gokhan Sahin, Amrinder Arora, Hyeong-...
CISS
2008
IEEE
13 years 11 months ago
Achievable rates and training optimization for fading relay channels with memory
—In this paper, transmission over time-selective, flat fading relay channels is studied. It is assumed that channel fading coefficients are not known a priori. Transmission tak...
Sami Akin, Mustafa Cenk Gursoy
TWC
2008
225views more  TWC 2008»
13 years 4 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
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...
Dong In Kim, Long Le, Ekram Hossain
ICDCN
2010
Springer
13 years 11 months ago
Channel Assignment in Virtual Cut-through Switching Based Wireless Mesh Networks
Conventional wireless networks employ a contention based channel access mechanism, which not only imposes high latency but also reduces goodput of the network. Lack of interference...
Dola Saha, Aveek Dutta, Dirk Grunwald, Douglas C. ...
INFOCOM
2007
IEEE
13 years 11 months ago
Transmit Power Distribution of Wireless Ad Hoc Networks with Topology Control
— Topology control and routing protocols are used by designers of wireless packet data networks to lower the node degree, simplify routing and lower the nodes’ energy consumpti...
Dan Avidor, Sayandev Mukherjee, Furuzan Atay Onat