99 search results - page 14 / 20 » Multicarrier QAM modulator |
VTC
2006
IEEE
14 years 2 months ago
2006
IEEE
This paper presents a hybrid automatic repeat request (HARQ) with variable spreading factor (VSF) suitable for a multicarrer code division multiple access (MC-CDMA). We consider a ...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— In this paper, we propose a novel channel sounding technique, called the multicarrier direct sequence swept time delay cross-correlation (MC-DS-STDCC), which is designed to min...
WICOMM
2008
13 years 8 months ago
2008
Multi-Carrier Code Division Multiple Access (MC-CDMA) is a modulation scheme that combines the advantages of OFDM and CDMA to provide robustness against frequency selectivity in w...
ICC
2009
IEEE
14 years 3 months ago
2009
IEEE
— In this paper, we introduce a novel Markov Chain (MC) representation aided Minimum Bit Error Rate (MBER) detection method that is applicable to an M-QAM modulated SDM/SDMA upli...
GLOBECOM
2008
IEEE
14 years 3 months ago
2008
IEEE
—Using CDMA technology, one has to contend with interference in frequency-selective channels caused by multipath propagation and fading. Transmitter-based methods such as Zero Fo...