103 search results - page 9 / 21 » Optimal relay assignment for cooperative communications |
TSP
2010
13 years 2 months ago
2010
Physical (PHY) layer security approaches for wireless communications can prevent eavesdropping without upper layer data encryption. However, they are hampered by wireless channel c...
MOBIQUITOUS
2007
IEEE
14 years 2 months ago
2007
IEEE
—Topology control problems are concerned with the assignment of power levels to the nodes of an ad-hoc network so as to maintain a specified network topology while minimizing th...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract— The use of multi-user detection (MUD) in a cooperative CDMA network is investigated for the uplink in synchronous CDMA systems. Suppose that, at any instant in time, pa...
GLVLSI
2009
IEEE
14 years 2 months ago
2009
IEEE
Recently, cooperative communication has attracted a lot of attention for its potential to increase spatial diversity. However, limited attention has been paid to the physical laye...
SECON
2010
IEEE
13 years 5 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...