Topic 0th: doppler 0.024562 psd 0.017267 interest 0.014835 degrad 0.014835 interfer 0.012403 multicarri 0.012403 receiv 0.012403 rayleigh 0.012403 abil 0.012403 rang 0.012403 ldl 0.009971 indoor 0.009971 mimo-df 0.009971 mrc 0.009971 egc 0.009971 circuit 0.009971 aco-ofdm 0.009971 termin 0.009971 technolog 0.009971 connect 0.009971 Topic 1th: complex 0.037431 interfer 0.035498 ber 0.028411 commun 0.027767 cfo 0.027123 ratio 0.025190 detect 0.023257 offset 0.023257 function 0.019392 receiv 0.018748 fade 0.018748 divers 0.017459 techniqu 0.016815 scenario 0.014238 sourc 0.013594 sequenc 0.012305 snr 0.012305 frequency-divis 0.011017 mean 0.011017 studi 0.011017 Topic 2th: studi 0.026796 mimo 0.024895 work 0.017294 decis 0.017294 configur 0.017294 channel 0.015393 variat 0.013493 multiplex 0.011593 joint 0.011593 vtr 0.011593 statist 0.009692 CE 0.009692 tone 0.009692 prototyp 0.009692 condit 0.009692 signal-to-nois 0.009692 band 0.009692 improv 0.007792 exampl 0.007792 regrowth 0.007792 Topic 3th: advantag 0.032929 presenc 0.016581 fmt 0.016581 doa 0.016581 valu 0.014246 sens 0.014246 bit 0.011910 mitig 0.011910 identifi 0.011910 papr 0.009575 group 0.009575 rectangular 0.009575 psa 0.009575 ilsp 0.009575 speed 0.009575 multilay 0.009575 laboratori 0.009575 pair 0.009575 window 0.009575 dft 0.009575 Topic 4th: bit 0.030773 waveform 0.018057 amplifi 0.018057 impact 0.015514 fourier 0.015514 awgn 0.015514 lpi 0.012970 mc-cdma 0.012970 rof 0.012970 pc 0.010427 power 0.010427 evalu 0.010427 cdf 0.010427 outag 0.010427 fft 0.010427 gaussian 0.010427 qam 0.010427 ieee 0.010427 reliabl 0.010427 realiz 0.007884 Topic 5th: channel 0.054488 system 0.051682 estim 0.042438 frequenc 0.036001 ofdm 0.033195 perform 0.030719 scheme 0.023291 divis 0.017183 paper 0.017018 result 0.016358 algorithm 0.015037 multiplex 0.014872 time 0.014542 method 0.014542 power 0.014377 simul 0.014047 techniqu 0.013387 transmiss 0.013222 symbol 0.012561 model 0.012396 Topic 6th: array 0.020805 form 0.020805 paper 0.013984 transceiv 0.013984 BS 0.013984 amplifi 0.010573 variat 0.010573 video 0.010573 densiti 0.010573 ivr 0.010573 multicarri 0.010573 product 0.010573 CE 0.010573 idea 0.010573 effort 0.010573 sdma 0.010573 space-frequ 0.010573 multiplex 0.010573 support 0.010573 DL 0.007162 Topic 7th: express 0.022608 ofdm 0.022608 shift 0.020740 subcarri 0.020740 station 0.018871 task 0.017003 mse 0.017003 bound 0.017003 alphabet 0.015135 covari 0.013266 distribut 0.011398 correl 0.011398 time-domain 0.011398 multichannel 0.011398 length 0.009529 FD 0.009529 data 0.009529 blue 0.007661 network 0.007661 fpga 0.007661 Topic 8th: architectur 0.034584 spectrum 0.022540 transform 0.019098 techniqu 0.017378 comput 0.015657 constel 0.015657 result 0.015657 fft/ifft 0.013937 densiti 0.013937 precod 0.013937 rank 0.010496 tradeoff 0.010496 set 0.010496 BW 0.010496 algorithm 0.010496 reconstruct 0.010496 evolut 0.010496 case 0.010496 CE 0.010496 space 0.010496 Topic 9th: access 0.028447 sfsm 0.020759 comparison 0.018196 formul 0.015633 feedback 0.015633 LS 0.013070 transmit 0.013070 aim 0.010507 ici 0.010507 subchannel 0.010507 multius 0.010507 match 0.010507 author 0.010507 aspect 0.010507 integr 0.010507 convolut 0.010507 recoveri 0.010507 shape 0.007945 asynchron 0.007945 energi 0.007945