218 search results - page 4 / 44 » Resource allocation for cooperative relaying |
INFOCOM
2010
IEEE
13 years 8 months ago
2010
IEEE
Recently, a cooperative paradigm for single-channel cognitive radio networks has been advocated, where primary users can leverage secondary users to relay their traffic. However, i...
SECON
2010
IEEE
13 years 8 months ago
2010
IEEE
Throughput maximization is a key challenge in cognitive radio ad hoc networks, where the availability of local spectrum resources may change from time to time and hopby-hop. To ach...
TWC
2008
13 years 10 months ago
2008
We propose cross-layer optimization frameworks for multihop wireless networks using cooperative diversity. These frameworks provide solutions to fundamental relaying problems of de...
GLOBECOM
2008
IEEE
13 years 12 months ago
2008
IEEE
— This paper analyzes the ergodic mutual information of OFDMA cooperative relay networks when the Channel State Information (CSI) imperfection is considered at resource allocatio...
JSAC
2007
13 years 10 months ago
2007
— Extending lifetime of battery-operated devices is a key design issue that allows uninterrupted information exchange among distributed nodes in wireless networks. Cooperative co...