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Suboptimal Partial Transmit Sequence-Active Interference Cancellation with Particle Swarm Optimization

Active interference cancellation (AIC) is an effective technique to provide interference avoidance feature for an ultrawideband (UWB) OFDM transmitter. Partial transmit sequence-AIC (PTS-AIC), which was recently proposed as an improvement of AIC, requires high computational complexity by doing the exhaustive search of all possible weighting factors whose number grows...

Design and Performance of Cyclic Delay Diversity in UWB-OFDM Systems

Xiaoming Peng 0 Francois Chin 0 0 Institute for Infocomm Research , 21 Heng Mui Keng Terrace , Singapore 119613 This paper addresses cyclic delay diversity (CDD) in an ultra-wideband communication system