11 search results - page 1 / 3 » Effect of Average Power Estimation Error on Adaptive MQAM Mo... |
ICC
1997
IEEE
13 years 9 months ago
1997
IEEE
ICC
2008
IEEE
13 years 11 months ago
2008
IEEE
—Cognitive radios have the ability to sense their RF environment and adapt their transmission parameters to perform optimally in any situation. Part of this involves selecting th...
GLOBECOM
2006
IEEE
13 years 11 months ago
2006
IEEE
— We study coding and modulation rate adaptation problem for HARQ systems with partially observable state from cross-layer viewpoint. The rate of convolutionally coded MQAM is ad...
ICC
2008
IEEE
13 years 11 months ago
2008
IEEE
—Multiple input multiple output (MIMO) system has been recognized as a promising candidate for future wireless communication. The adaptive modulation which adjusts the transmitte...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract— Since carrier frequency offset destroys user’s signal orthogonality in Orthogonal Frequency-Division Multiplexing Access (OFDMA) uplink transmission, resulting in an ...