Turbo Code by Yogesh K Soniwal

Turbo code performance over AWGN channel using RSC encoder & BCJR decoder for code [1,1+D+D^2/1+D^2] (turbo code, awgn, bcjr decoder)

[ALPHA]=alpha_1(GAMMA,N)

[BETA]=beta_1(GAMMA,N)

[g]=gamma_1(Apriori,N,Input_matrix,Parity_bit_matrix,R0,R1,...

wspr TXRX by Jonathon Cheah

WSPR (Weak Signal Propagation Reporter) (communications, signal processing, low baud rate communi...)

chr_normf (bc)

messageDecode(data0)

maidenhead.m

PSK31 Model with Symbol Timing and Carrier Recovery by Dick Benson

Updated version of PSK31 communication standard that is now R2009B-R2012A compliant. (timing recovery, fec, pll)

[bitstream,char_table]=make_bits(msg)

[sout,char_table]=load_alpha()

message=read_text(file_name)

Soft Input Soft Output Viterbi Algorithm by Adrian Bohdanowicz

Implementation of the SISO Viterbi algorithm. (coding theory, turbo code, decoding)

sovadec( msg, llr, trl, win )