id sid tid token lemma pos wp988g8761n 1 1 two two NUM wp988g8761n 1 2 modulation modulation NOUN wp988g8761n 1 3 techniques technique NOUN wp988g8761n 1 4 are be AUX wp988g8761n 1 5 studied study VERB wp988g8761n 1 6 in in ADP wp988g8761n 1 7 this this DET wp988g8761n 1 8 thesis thesis NOUN wp988g8761n 1 9 , , PUNCT wp988g8761n 1 10 quadrature quadrature NOUN wp988g8761n 1 11 amplitude amplitude NOUN wp988g8761n 1 12 modulation modulation NOUN wp988g8761n 1 13 ( ( PUNCT wp988g8761n 1 14 qam qam PROPN wp988g8761n 1 15 ) ) PUNCT wp988g8761n 1 16 and and CCONJ wp988g8761n 1 17 continuous continuous ADJ wp988g8761n 1 18 phase phase NOUN wp988g8761n 1 19 modulation modulation NOUN wp988g8761n 1 20 ( ( PUNCT wp988g8761n 1 21 cpm cpm PROPN wp988g8761n 1 22 ) ) PUNCT wp988g8761n 1 23 . . PUNCT wp988g8761n 2 1 these these DET wp988g8761n 2 2 modulation modulation NOUN wp988g8761n 2 3 schemes scheme NOUN wp988g8761n 2 4 in in ADP wp988g8761n 2 5 the the DET wp988g8761n 2 6 presence presence NOUN wp988g8761n 2 7 of of ADP wp988g8761n 2 8 amplifier amplifier ADJ wp988g8761n 2 9 nonlinearity nonlinearity NOUN wp988g8761n 2 10 and and CCONJ wp988g8761n 2 11 hostile hostile ADJ wp988g8761n 2 12 transmission transmission NOUN wp988g8761n 2 13 environments environment NOUN wp988g8761n 2 14 are be AUX wp988g8761n 2 15 analyzed analyze VERB wp988g8761n 2 16 as as ADP wp988g8761n 2 17 a a DET wp988g8761n 2 18 complete complete ADJ wp988g8761n 2 19 system system NOUN wp988g8761n 2 20 using use VERB wp988g8761n 2 21 simulation simulation NOUN wp988g8761n 2 22 to to PART wp988g8761n 2 23 determine determine VERB wp988g8761n 2 24 relative relative ADJ wp988g8761n 2 25 performance performance NOUN wp988g8761n 2 26 . . PUNCT wp988g8761n 3 1 a a DET wp988g8761n 3 2 fair fair ADJ wp988g8761n 3 3 comparison comparison NOUN wp988g8761n 3 4 of of ADP wp988g8761n 3 5 these these DET wp988g8761n 3 6 two two NUM wp988g8761n 3 7 modulation modulation NOUN wp988g8761n 3 8 techniques technique NOUN wp988g8761n 3 9 is be AUX wp988g8761n 3 10 carried carry VERB wp988g8761n 3 11 out out ADP wp988g8761n 3 12 , , PUNCT wp988g8761n 3 13 demonstrating demonstrate VERB wp988g8761n 3 14 the the DET wp988g8761n 3 15 tradeoffs tradeoff NOUN wp988g8761n 3 16 between between ADP wp988g8761n 3 17 spectral spectral ADJ wp988g8761n 3 18 efficiency efficiency NOUN wp988g8761n 3 19 and and CCONJ wp988g8761n 3 20 power power NOUN wp988g8761n 3 21 efficiency efficiency NOUN wp988g8761n 3 22 of of ADP wp988g8761n 3 23 these these DET wp988g8761n 3 24 two two NUM wp988g8761n 3 25 techniques technique NOUN wp988g8761n 3 26 . . PUNCT wp988g8761n 4 1 this this DET wp988g8761n 4 2 thesis thesis NOUN wp988g8761n 4 3 also also ADV wp988g8761n 4 4 presents present VERB wp988g8761n 4 5 an an DET wp988g8761n 4 6 idea idea NOUN wp988g8761n 4 7 of of ADP wp988g8761n 4 8 nonuniform nonuniform ADJ wp988g8761n 4 9 qam qam PROPN wp988g8761n 4 10 constellations constellation NOUN wp988g8761n 4 11 , , PUNCT wp988g8761n 4 12 which which PRON wp988g8761n 4 13 can can AUX wp988g8761n 4 14 potentially potentially ADV wp988g8761n 4 15 improve improve VERB wp988g8761n 4 16 bit bit NOUN wp988g8761n 4 17 - - PUNCT wp988g8761n 4 18 error error NOUN wp988g8761n 4 19 - - PUNCT wp988g8761n 4 20 rate rate NOUN wp988g8761n 4 21 performance performance NOUN wp988g8761n 4 22 in in ADP wp988g8761n 4 23 the the DET wp988g8761n 4 24 presence presence NOUN wp988g8761n 4 25 of of ADP wp988g8761n 4 26 phase phase NOUN wp988g8761n 4 27 noise noise NOUN wp988g8761n 4 28 . . PUNCT wp988g8761n 5 1 an an DET wp988g8761n 5 2 optimal optimal ADJ wp988g8761n 5 3 nonuniform nonuniform ADJ wp988g8761n 5 4 qam qam PROPN wp988g8761n 5 5 constellation constellation NOUN wp988g8761n 5 6 is be AUX wp988g8761n 5 7 designed design VERB wp988g8761n 5 8 to to PART wp988g8761n 5 9 be be AUX wp988g8761n 5 10 adaptive adaptive ADJ wp988g8761n 5 11 to to ADP wp988g8761n 5 12 the the DET wp988g8761n 5 13 actual actual ADJ wp988g8761n 5 14 probability probability NOUN wp988g8761n 5 15 distribution distribution NOUN wp988g8761n 5 16 of of ADP wp988g8761n 5 17 the the DET wp988g8761n 5 18 received receive VERB wp988g8761n 5 19 symbols symbol NOUN wp988g8761n 5 20 . . PUNCT wp988g8761n 6 1 both both DET wp988g8761n 6 2 analytical analytical ADJ wp988g8761n 6 3 results result NOUN wp988g8761n 6 4 and and CCONJ wp988g8761n 6 5 simulation simulation NOUN wp988g8761n 6 6 results result NOUN wp988g8761n 6 7 show show VERB wp988g8761n 6 8 that that SCONJ wp988g8761n 6 9 nonuniform nonuniform ADJ wp988g8761n 6 10 constellations constellation NOUN wp988g8761n 6 11 are be AUX wp988g8761n 6 12 superior superior ADJ wp988g8761n 6 13 to to ADP wp988g8761n 6 14 uniform uniform ADJ wp988g8761n 6 15 constellations constellation NOUN wp988g8761n 6 16 in in ADP wp988g8761n 6 17 the the DET wp988g8761n 6 18 presence presence NOUN wp988g8761n 6 19 of of ADP wp988g8761n 6 20 phase phase NOUN wp988g8761n 6 21 noise noise NOUN wp988g8761n 6 22 . . PUNCT