Code covered by the BSD License  

Highlights from
MATLAB for Digital Communication

• 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...
• demultiplex(r,map,puncture) Copyright 1998, Yufei Wu, MPRG lab, Virginia Tech. for academic use
• depuncture(pun,punc_vector) Insert zeros into the punctured position of pun as specified by punc_vector
• do_Hamming_code74(SNRbdB,MaxI...
• encoderm(m,G,map,puncture) Copyright 1998, Yufei Wu, MPRG lab, Virginia Tech. for academic use
• 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)
• logmap(Ly,G,Lu,ind_dec) Copyright 1998, Yufei Wu, MPRG lab, Virginia Tech. for academic use
• 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
• rsc_encode(G,m,termination) Copyright 1998, Yufei Wu, MPRG lab, Virginia Tech. for academic use
• 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...
• trellis(G) copyright 1998, Yufei Wu, MPRG lab, Virginia Tech for academic use
• 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
• View all files