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kmplot
- LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and si
HarddecisiondecodingofBPSKsignal
- Hard decision decoding in C. Copy to C and run. Calculates BER and SER and display on graph
This_one
- Cooperative communication_power control a) Generate random binary sequence of +1’s and -1’s. (b) Given different Power to the source and the relay as well (c) Multiply the symbols with the channel and then add white Gaussian noise. (d) At
LDPC_BSN
- LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and si
computingBERConvolutionalCod3
- scr ipt for computing BER with Binary Convolutional Code and Viterbi decoding. Convolutional code of Rate-1/2, Generator polynomial - [7,5] octal Hard decision and soft decison decoding is used. -scr ipt for computing BER with Binary Convolu
computingBERConvolutionalCod2
- scr ipt for computing BER with Binary Convolutional Code and Viterbi decoding with finite survivor state memory Convolutional code of Rate-1/2, Generator polynomial - [7,5] octal Hard decision and soft decison decoding is used.
convlutional_code_viterbi
- 卷积码的实现，c比matlab快很多。scr ipt for computing the BER for BPSK modulation in AWGN with Hard and Soft decision Viterbi decoding with traceback-discuss a simple binary convolutional coding scheme at the transmitter and the associated Viterbi (maximum li
IS95Forwordlink
- 该代码实现了IS-95物理层的仿真，发送端加噪后，接收端采用硬裁决，计算BER等。学习意义很大。-IS95 Forward link is realized. The AWGN is added by tranmitter,and then caculated by hard decision by reveiver. It is useful for CDMA2000 learner.
Untitled2
- 比较了用软判决和硬判决进行viterbi译码的BER-SNR曲线(Compare the BER-SNR curve of viterbi decoding by using hard decision and soft decision)