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FFT_Based_LDPC.rar
- 此程序为非二进制LDPC 码的仿真程序. 信道为AWGN, 调制方式 是BPSK.,This program is used to simulation nonbinary LDPC codes over AWGN channel and BPSK modulation. The decoding algorithm is in the probability domain and with the fast Hadamard transform in the check node.
Walsh-Hadamard_code
- Generates the Walsh-Hadamard codes and checks orthogonality
walsh
- Walsh Hadamard codes algorithm
WalshHadmard
- Walsh-Hadamard codes are mutually orthognal codes, thus when used in synchronous CDMA, the interference between users is zero. This programm generates Walsh-Hadamard codes and also checks the orthogonality. You can change the code length by
ovsf
- orthogonal variable spreading factor (OVSF) is an implementation of Code division multiple access (CDMA) where before each signal is transmitted, the spectrum is spread through the use of a user s code. User s codes are carefully chosen to be mutuall
Walsh_Hadamard_Codes
- wh codes for simunlink