51 search results - page 3 / 11 » On the Performance of Non-orthogonal Multiple Access Systems... |
JSAC
2008
13 years 3 months ago
2008
In this paper we design a cognitive radio that can coexist with multiple parallel WLAN channels while abiding by an interference constraint. The interaction between both systems is...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
—Multistage Partial Parallel Interference Cancellation (PPIC) is proposed for Turbo-encoded DS-CDMA systems where the partial cancellation factors are derived based on the Loglik...
JSAC
2007
13 years 5 months ago
2007
Abstract— We consider both the single-user and the multiuser power allocation problems in MIMO systems, where the receiver side has the perfect channel state information (CSI), a...
PIMRC
2010
IEEE
13 years 3 months ago
2010
IEEE
This paper tackles the problem of fast varying channel estimation in LTE systems. Particular attention is given to downlink transmission where OFDMA is used as the multiple access ...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
Abstract—In multi-user multiple-input multiple-output (MUMIMO) systems, channel state information at the transmitter (CSIT) allows for multi-user spatial multiplexing and thus in...