99 search results - page 9 / 20 » Multicarrier QAM modulator |
CORR
2010
Springer
13 years 6 months ago
2010
Springer
The previous link adaptation algorithms on ofdm based systems use equal modulation order for all sub carrier index within a block. For multimedia transmission using ofdm as the mo...
VTC
2006
IEEE
14 years 2 months ago
2006
IEEE
An adaptive beamforming assisted receiver is proposed for multiple antenna aided multiuser systems that employ bandwidth efficient quadrature amplitude modulation (QAM). A novel m...
VTC
2007
IEEE
14 years 2 months ago
2007
IEEE
— OFDM multi-carrier modulation is expected to be the enabling technology for 4G wireless systems. One of the features that make OFDM the primary choice for 4G is its MIMO compat...
VTC
2006
IEEE
14 years 2 months ago
2006
IEEE
— In this paper, we evaluate a cognitive radio transceiver employing both non-contiguous multicarrier modulation (NC-MCM) and adaptive bit allocation. Although NCMCM and bit allo...
GLOBECOM
2006
IEEE
14 years 2 months ago
2006
IEEE
Abstract—It is well known that the Viterbi and Viterbi MonomialBased Phase Estimator, which includes the Mth Power Estimator, performs poorly for cross QAM signals. However, it i...