WCE
2007
14 years 1 months ago
2007
—Orthogonal Frequency Division Multiplexing (OFDM) is gaining popularity for high data rate communication systems. We propose the use of adaptive beamforming for interference rej...
VTC
2006
IEEE
14 years 6 months ago
2006
IEEE
Using an OFDM based uplink for the future cellular network has been a controversial issue due to difficulties in time and frequency synchronization and high Peak-to-Average Power...
VTC
2006
IEEE
14 years 6 months ago
2006
IEEE
OFDM has a very high peak-to-average power ratio. This imposes stringent dynamic range requirements on the analog front-ends of the transmitter and receiver and, if a fixedpoint pr...
ISCAS
2007
IEEE
14 years 6 months ago
2007
IEEE
Abstract— OFDM systems are susceptible to receiver impairments such as IQ imbalance and phase noise. These impairments can severely degrade the achievable effective signalto-nois...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
—Peak-to-average power ratio (PAR) reduction in OFDM using antenna arrays (MIMO OFDM) is considered. In particular, generalizations of selected mapping (SLM) recently proposed in...
ICC
2007
IEEE
14 years 6 months ago
2007
IEEE
Abstract— Zero-padded OFDM (ZP-OFDM) systems have recently been adopted in certain wireless systems, such as the multiband-OFDM based WiMedia standard, instead of the more common...
ICASSP
2008
IEEE
14 years 7 months ago
2008
IEEE
Multicarrier modulation in the form of OFDM has been actively pursued for underwater acoustic communication recently. In this paper, we present a desirable property of OFDM that o...
ICASSP
2008
IEEE
14 years 7 months ago
2008
IEEE
OFDM modulation combines the advantages of high achievable rates and relatively easy implementation. In this paper, we show how to perform blind maximum-likelihood data recovery i...