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50
Voted
DATE
2010
IEEE
15 years 3 months ago
2010
IEEE
—This paper presents a 90 nm CMOS digital amplitude modulator for polar transmitter. It reaches an output power of -2.5 dBmRMS using a WLAN OFDM 64QAM modulation at 2.45GHz achie...
TWC
2008
14 years 10 months ago
2008
Abstract-- Existing space-time codes have focused on multipleantenna systems with linear modulation schemes such as phaseshift keying and quadrature amplitude modulation. Continuou...