搜索资源列表
Convolutional_code
- 实现卷积码的BPSK调制、vitbi译码及软硬判决与未编码的BPSK误码率的对比-Convolutional codes to achieve BPSK modulation, vitbi hard and soft decision decoding and BPSK and uncoded BER comparison
LDPCBSN
- LDPC码既低密度奇偶校验码（Low Density Parity Check Code，LDPC），它由Robert G.Gallager博士于1963年提出的一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低, 结构灵活，是近年信道编码领域的研究热点，目前已广泛应用于深空通信、光纤通信、卫星数字视频和音频广播等领域。LDPC码已成为第四代通信系统(4G) -LDPC codes BER simulation under AWGN channel.
QPSK_chain
- Simulation of a baseband QPSK mod/demod: TX : a pseudo random bit stream generation, Serial to parallel conversion, QPSK Mapping (Gray coding), Signal power computation Channel : AWGN channel RX: Soft Demapping / Hard Demapping, Plot constellat
computingBERwithHamming
- scr ipt for computing BER with Hamming (7,4) code and maximal likelihood hard decision decoding
computingBERConvolutionalCod1
- scr ipt for computing BER with Binary Convolutional Code and Viterbi decoding with finite survivor state memory and variable traceback depth Convolutional code of Rate-1/2, Generator polynomial - [7,5] octal Hard decision decoding i
computingBERConvolutionalCode
- 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 decoding is used.
QPSK.LLR
- illustrates the improvement in BER performance when using log-likelihood instead of hard decision demodulation in a convolutionally coded communication link-illustrates the improvement in BER performance when using log-likelihood instead of hard d
Soft_hard-decision-of-hamming-code
- 代码实现了汉明码译码的软判决和硬判决误码率仿真图，并且通过对比理论曲线，验证了代码的正确性。-This code achieves the BER code curve of hamming code using soft decision and hard decision. Compared with the theoretical curve,I verify the correctness of the code.
BER-curve-of-BPSK
- 代码实现了BPSK调制解调功能，包含成型滤波和硬判决模块。通过仿真出误码率曲线，并且画出理论曲线，验证了代码的正确性。-This code achieves the modulation and demodulation of BPSK.It includes the shaped filter and hard decision module.I plot the BER curve of BPSK and compared with the theoretical curve, I veri
Hamming_BER
- (7,4) Hamming code simulation for Bit Error Rate(BER) using SOFT and HARD decoding Schemes
ChannelCoding_Viterbi
- 一个信道编码解码以及性能比较。 包括卷积码编码器，使用硬判决的维特比译码器。 比较了不同信道环境下（SNR）的误码率性能。-Comparing a channel codec, and performance. Including the convolution code encoder, using hard decision Viterbi decoder. Compare different channel environments (SNR) BER performance.
nanqeng_v15
- MIMO OFDM matlab仿真,比较了软阈值，硬阈值及当今各种阈值计算方法,给出接收信号眼图及系统仿真误码率。- MIMO OFDM matlab simulation, Comparison of soft threshold and hard threshold and today various threshold calculation method, The received signal is given eye and BER simulation systems.
BER-for-BPSK-in-Rayleigh-channel
- Matlab example simulating a BPSK transmission and reception in Rayleigh channel. The scr ipt performs the following (a) Generate random binary sequence of +1’s and -1’s. (b) Multiply the symbols with the channel and then add white Gaussian
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- 编写仿真程序画出(8，1)重复码系统在硬判决译码和软判决译码两种情况下的BER性能曲线（均采用最小距离译码）(Write simulation program, draw (8, 1) repeat code system in the hard decision decoding and soft decision decoding two cases of BER performance curve (both using minimum distance decoding))