PAPR Reduction Scheme Using Selective Mapping in GFDM

?????? ?????? ????????? ?????? ?????? ?????? (orthogonal frequency division multiplexing; OFDM)????????? ???????????? ??? ???????????? ??? (peak to average power ratio; PAPR)??? ?????? ?????? ????????? ?????? ????????????, ?????? ?????? ?????? ????????? ????????????. ?????? ?????? PAPR??? ????????? ?????? ????????? ???????????? ???????????? ?????????, 5G ?????????????????? ????????? ???????????? ???????????? ????????????, OFDM??? ?????????, ???????????? ???????????? ????????? ???????????? ????????????. ????????? ????????? ????????? ?????? ??? ????????? GFDM??????. GFDM??? ??? ??? ???????????? ????????????????????? ????????? ????????? ???????????? ????????? ?????????. ????????? ???????????? ????????? ?????? OFDM?????? ?????? ????????? ????????? ????????? ?????? ?????????, ????????? ??? ????????? ?????? ???????????? GFDM??? OFDM?????? ?????? PAPR??? ?????????. OFDM??? PAPR??? ????????? PAPR ???????????? ??? ????????? ??????????????????(selective mapping; SLM)??? GFDM??? ????????????, ?????????????????? ??????????????? GFDM??? OFDM SLM ?????? GFDM SLM??? ?????? ?????? ?????? ????????? ????????? ???????????????. ??? ????????? ???????????? ????????? ????????? ????????? ????????? ??????(out-of-band emission; OOB)??? ???????????????.clos