Orthogonal frequency division multiplexing (OFDM) carrying Offset QAM (OQAM) symbols is analyzed for wireless transmissions over frequency and time selective channels. Performance limits are evaluated assuming a maximum likelihood receiver that is able to exploit the diversity branches offered by the channel. Simplified equalization making use of the zero forcing criterion is proposed and discussed, pointing out the role played by prototype filter shape and length as well as the selectivity introduced by the radio channel.
Performance Analysis of OFDM-OQAM Systems
ASSALINI, ANTONIO;TRIVELLATO, MATTEO;PUPOLIN, SILVANO
2005
Abstract
Orthogonal frequency division multiplexing (OFDM) carrying Offset QAM (OQAM) symbols is analyzed for wireless transmissions over frequency and time selective channels. Performance limits are evaluated assuming a maximum likelihood receiver that is able to exploit the diversity branches offered by the channel. Simplified equalization making use of the zero forcing criterion is proposed and discussed, pointing out the role played by prototype filter shape and length as well as the selectivity introduced by the radio channel.
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