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Improved ACLR by Cancellation Carrier Insertion in GFDM Based Cognitive Radios
2014
2014 IEEE 79th Vehicular Technology Conference (VTC Spring)
Generalized Frequency Division Multiplexing (GFDM) is a recent multicarrier modulation technique with low out-of-band radiation that makes it an attractive choice for the PHY layer of cognitive radio. In orthogonal frequency division multiplexing (OFDM) the out of band leakage is around −13 dB; with raised cosine or root raised cosine pulses, the out of band leakage of a GFDM system is −35 dB. To improve the adjacent channel leakage ratio (ACLR) even further, a technique of inserting
doi:10.1109/vtcspring.2014.7022943
dblp:conf/vtc/DattaF14
fatcat:hap5vzcnbjai3fm4yrnspc5pti