ICC
2007
IEEE
13 years 10 months ago
2007
IEEE
— This paper presents a new double space-time transmit diversity-orthogonal frequency division multiplexing (DSTTD-OFDM) scheme using the zero-forcing decisionfeedback (ZF-DF) de...
GLOBECOM
2007
IEEE
13 years 10 months ago
2007
IEEE
—In this paper, we investigate diversity gain in coding for a 2-user multiple-access-channel (MAC) with cooperating transmitters–the MAC with relaying. We propose a simple dist...
CISS
2007
IEEE
13 years 10 months ago
2007
IEEE
Relay-based cooperative communications can achieve spatial diversity gains, enhance coverage and potentially increase capacity. If considered for large networks, traditional relayi...
VTC
2008
IEEE
13 years 10 months ago
2008
IEEE
— This paper presents a novel amalgam of Steered Space-Time Spreading (SSTS) and Orthogonal Frequency Division Multiple Access (OFDMA) designed for attaining both spatial diversi...
ICC
2008
IEEE
13 years 10 months ago
2008
IEEE
—Taking advantage of the frequency diversity and multiuser diversity in OFDMA based wireless networks, dynamic subcarrier assignment mechanisms have shown to be able to achieve m...