MATLAB for Digital Communication: equalizer_in_freq(Y,H_est) - File Exchange

AI=inv_GF2(A)

H_est=channel_estimate(X,y) X = Known frequency-domain training symbol

I=Gauss_Hermite(f,N,varargin) Refer to 'Applied Numerical Methods Using MATLAB' by Won Yang et. al

IFO_est=IFO_estimate(y,X,IFO_... To estimate the IFO (Integral Frequency Offset)

M=combis(N,i) Creates an error pattern matrix each row of which is an N-dimensional

PRS=phase_ref_symbol()

PSK_slicer(x,M) Converts received signal points into regular PSK points by its angle

Sk=Sk_CTFS(k,D)

[CR,DR,Nbpsc,Ncbps,Ndbps,pun_...

[H,G]=Hamm_gen(m,opt) Generates the parity-check/generator matrices for Hamming Code.

[J,JJ]=Jkb(K,beta) The 1st kind of kth-order Bessel function

[Xk,kk,xht,tt]=CTFS(x,P,N,ng)

[Xk,kk,xht,tt]=CTFT(x,D,ng)

[c,b]=dfe(c,b,ys,ds,e,delta) updates decision feedback equalizer(DFE) coefficients

[c,se]=ade(c,y,a,delta) adaptive equalizer

[code,dictionary,w]=LZW_code(... LZW coding algorithm

[codebook,class,quant_errs]=v... Finds a KxN codebook representing the samples in an MxN data matrix X,

[d,dcode]=adc(a,b,c,code_tabl... Analog-to-Digital Conversion

[decode,dictionary]=LZW_decod... Lempel-Ziv-Welch decoding algorithm

[decoded_seq,dictionary]=LZW_... Lempel-Ziv-Welch decoding procedure

[decodes,E,epi]=cyclic_decode... Cyclic (N,K) decoding of received code_seq with generator polynml g

[gM,m]=gm2gM(gm) Convert into PNG polynomial description used by Simulink -Eq.(10.1.2)

[g_code,b_code]=gray_code(b)

[h,L,H]=Huffman_code(p,opt) Huffman code generator gives a Huffman code matrix h,

[long_preamble,Xl]=long_train...

[nxb,yb]=state_eq(xb,u,G) To be used as a subroutine for conv_encoder()

[output,state]=TCM_encoder(st... Generates the output sequence of a binary TCM encoder

[output,state]=conv_encoder(G... generates the output sequence of a binary convolutional encoder

[outputs,state]=TCM_encoder1(... generates the output sequence of a binary TCM encoder

[pemb,nombe,notmb]=TCM(state_... Copyleft: Won Y. Yang, wyyang53@hanmail.net, CAU for academic use only

[pemb,nombe,notmb]=TCM1(Gc,Co...

[pemb,nombe,notmb]=Viterbi_QA... Constraint length vector

[phi,lags]=xcorr_my(x,y,opt) computes the crosscorrelation of two vectors x and y by Eq.(2.1.61)

[s1,x]=TCM_state_eq0(s,u,Cons... State equation for the TCM_encoder in Fig. 9.14(a)

[s1,x]=TCM_state_eq1(s,u,Cons...

[short_preamble,Xs]=short_tra...

[t,w]=Gausshp(N)

[xqhn,P,a]=prdctr(en,xqs,M,P,... One-step-ahead predictor based on RLSE

[y,xmax]=Alaw(x,A,ymax)

[y,xmax]=mulaw(x,mu,ymax)

a=slice(x,A)

bitseq=QAM_dem(qamseq,b,bpsym... BPSK demodulation

c=PNG(gm,Kc,x) generates an m-sequence from a feedback-shift register if Kc=0

c=mmsee(y,a,K,d)

c=zfe(g,K,d)

channel(x,h,ch_buf)

coarse_CFO_estimate(tx,NB,Nw,...

coded_seq=LZW_coding(src,dict... Lempel-Ziv-Welch encoding procedure

coded_seq=source_coding(src,s... Encode a data sequence src based on the given (symbols,codewords).

compensate_CFO(tx,CFO_est,Nff... CFO_est = Estimated carrier frequency offset

cyclic_encoder(msg_seq,N,K,g) Cyclic (N,K) encoding of input msg_seq m with generator polynomial g

d=detector_FSK(z2s)

d=detector_MSK(dth)

d=detector_PSK(th,M)

dc0301_3(U_or_L) simulates USSB/LSSB-AM depending on the value of USSB_or_LSSB=0/1

decoded_seq=TCM_decoder(state... Performs the Viterbi algorithm on the PSK demodulated signal

decoded_seq=TCM_decoder1(Gc,d... performs the Viterbi algorithm on the PSK demodulated signal

decoded_seq=source_decoding(c... Decode a coded_seq based on the given (codewords,symbols).

decoded_seq=vit_decoder(G,K,d... performs the Viterbi algorithm on detected to get the decoded_seq

demodulated=dem_PSK_or_QAM(in...

demodulated=demodulate_PSK_or...

depuncture(pun,punc_vector) Insert zeros into the punctured position of pun as specified by punc_vector

do_Hamming_code74(SNRbdB,MaxI...

equalizer_in_freq(Y,H_est)

f5252(x,SNRb,b)

f5252_0(x,SNRb,b)

f=I0(beta) Bessel function of order 0

f=Rice_pdf(x,A,sigma) Rice density function

fine_CFO_estimate(tx,coarse_C...

g_code=gray_code0(g_code)

modulated=mod_PSK_or_QAM(in,b... Set Kg=1 to see the normal constellation diagram

modulated=modulate_PSK_or_QAM... Set Kg=1 to see the normal constellation diagram

p=Hermitp(N)

p=prob_error(SNRbdB,signaling... Finds the symbol/bit error probability for given SNRbdB (Table 7.1)

pemb_t=prob_err_msg_bit(et,N,...

phase_estimate=phase_from_pil... To estimate the phase offset based on the received pilot symbol

plot_MOD(T,lt,msg,modul,demod... plots AM signals and their spectra

puncture(un_pun, punc_vector) Puncture the bits of un_pun as specified by with punc_vector

qamseq=QAM(bitseq,b) 2^b-QAM modulation

set_CFO(tx,CFO,phase,Nfft,STO... CFO/phase = pseudo Carrier frequency/phase offset (pretended)

sim_SSB_AM(U_or_L) simulates USSB/LSSB-AM depending on the value of USSB_or_LSSB=0/1

sova(Ly,G,Lu,ind_dec) Copyright: Yufei Wu, 1998, MPRG lab, Virginia Tech for academic use

sym_vc=add_vc(symbol,pm)

sym_vc_removed=remove_vc(sym_...

th=principal_frequency(th,thl...

vhat=LDPC_decoder(H,Lcy) Performs an LDPC decoding with given parity-check matrix H and Lc*y

x=Alaw_inv(y,A,xmax)

x=cyclic_decoder0(r,N,K,g) Cyclic (N,K) decoding of an N-bit code r with generator polynomial g

x=deinterleaving(y,Nrow,Ncbps...

x=mulaw_inv(y,mu,xmax)

x=rD(t)

x=rD_wave(t)

x=tri(t)

x=tri_wave(t)

xl=rotate_l(x,M)

y=Q(x)

y=QAM4_slicer(x) To find one of 4-QAM symbols which is the closest to x

y=awgn_(x,SNRdB,sigpowerdB)

y=compensate_phase(x,phase) To compensate the received OFDM symbol x by phase deviation

y=deci2bin1(x,l) Converts a given decimal number x into a binary number of l bits

y=interleaving(x,Nrow,Ncbps,N...

y_dec=decoder(y,code_table)

z=corr_circular(x,y,N)

DS_SS.m

FH_SS.m

FH_SS2.m

LDPC_demo.m

cir09e05.m

dc0109_1.m

dc0109_2.m

dc01e01.m

dc01e03.m

dc01e16.m

dc01e17.m

dc01p02.m

dc02e02a.m

dc02e02b.m

dc02e03.m

dc02e05.m

dc02f05.m

dc02p01.m

dc0301_1.m

dc0301_2.m

dc040e03.m

dc0501.m

dc05f17.m

dc0701_1.m

dc07p01.m

dc09p07.m

do_BCH_BPSK_sim.m

do_CFO.m

do_CFO_PHO_STO.m

do_FSK_sim.m

do_MSK_sim.m

do_OFDM0.m

do_OFDM1.m

do_PNG.m

do_PSK_sim.m

do_QAM_sim.m

do_STO.m

do_STO_estimation.m

do_TCM_8PSK.m

do_Viterbi_QAM.m

do_ade.m

do_channel_estimation.m

do_cyclic_code.m

do_cyclic_codes.m

do_dfe.m

do_interleaving.m

do_mmsee.m

do_nonuniform_quantization.m

do_puncture.m

do_rcos1.m

do_rcos2.m

do_square_filter_clock.m

do_sync_for_DMB.m

do_sync_w_double_window.m

do_uniform_quantization.m

do_vector_quantization.m

do_vitdecoder.m

do_vitdecoder1.m

do_zfe.m

plot_ds_ss.m

quantize_nonuniform.m

quantize_uniform.m

set_parameter_11a.m

sim_ASK_bandpass_coherent.m

sim_ASK_bandpass_noncoherent.m

sim_DM.m

sim_DPCM.m

sim_DPSK_passband.m

sim_DSB_AMSC.m

sim_DSB_AMTC.m

sim_Delta_Sigma.m

sim_FM.m

sim_FSK_bandpass_coherent.m

sim_FSK_bandpass_noncoherent.m

sim_MSK.m

sim_OQPSK.m

sim_PCM.m

sim_PLL.m

sim_PM.m

sim_PSK_passband.m

sim_QAM_carrier_recovery.m

sim_QAM_passband.m

sim_QPSK_Costas.m

sim_QPSK_Costas_earlylate.m

sim_S_QDPSK.m

sim_TCM.m

sim_antipodal.m

sim_biorthogonal.m

sim_orthogonal.m

sim_squaring_loop.m

sim_sym_sync_earlylate.m

start_PSK_carrier_phase_timin...

test_DSTBC_G2_PSK.m

test_DSTBC_H4_PSK.m

test_Rayleigh_fading.m

test_corr_circular.m

test_encode_decode.m

test_unwrap.m

turbo_code_demo.m

Highlights from MATLAB for Digital Communication

Highlights from
MATLAB for Digital Communication