51 search results - page 2 / 11 » On the Performance of Non-orthogonal Multiple Access Systems... |
TWC
2008
13 years 4 months ago
2008
In this paper, the performance of the network coded amplify-forward cooperative protocol is studied. The use of network coding can suppress the bandwidth resource consumed by relay...
INFOCOM
2010
IEEE
13 years 3 months ago
2010
IEEE
Abstract—We consider a cognitive radio network where multiple secondary users (SUs) contend for spectrum usage, using random access, over available primary user (PU) channels. Ou...
TWC
2008
13 years 4 months ago
2008
In the first part of the paper, the capacity of a general multiuser code division multiple access (CDMA) jamming channel was analyzed for noncooperative and cooperative users in up...
TSP
2010
12 years 11 months ago
2010
In this paper, we consider the optimality of beamforming for achieving the ergodic capacity of multiple-input multiple-output (MIMO) multiple access channel (MAC) via virtual repre...
WIOPT
2011
IEEE
12 years 8 months ago
2011
IEEE
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...