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2020年10月3日

CCS - Channel Capacity and Coding - Channel Coding - Turbo Codes

摘要： Turbo Codes Shannon's random coding theorem states that codes achieving channel capacity musthave random, or close to random, distribution as well as 阅读全文

posted @ 2020-10-03 15:07 zzYzz 阅读(255) 评论(0) 推荐(0) 编辑

CCS - Channel Capacity and Coding - Channel Coding - Error Probability Bounds for Convolutional Codes

摘要： Error Probability Bounds for Convolutional Codes Finding bounds on the error performance of convolutional codes is different from themethod used to fi 阅读全文

posted @ 2020-10-03 13:42 zzYzz 阅读(145) 评论(0) 推荐(0) 编辑

CCS - Channel Capacity and Coding - Channel Coding - Decoding of Convolutional Codes - Viterbi Algorithm

摘要： Decoding of Convolutional Codes Viterbi Algorithm There exist many algorithms for decoding of convolutional codes. The Viterbi algorithmis probably th 阅读全文

posted @ 2020-10-03 00:04 zzYzz 阅读(295) 评论(0) 推荐(0) 编辑

2020年10月2日

CCS - Channel Capacity and Coding - Channel Coding - Representation of Convolutional Codes - Trellis Diagram

摘要： Representation of Convolutional Codes Trellis Diagram Reference, 1. <<Contemporary Communication System using MATLAB>> - John G. Proakis 阅读全文

posted @ 2020-10-02 16:46 zzYzz 阅读(105) 评论(0) 推荐(0) 编辑

CCS - Channel Capacity and Coding - Channel Coding - Convolutional Codes

摘要： Convolutional Codes In block codes each sequence of k information bits is mapped into a sequence of nchannel inputs in a fixed way regardless of the p 阅读全文

posted @ 2020-10-02 15:59 zzYzz 阅读(172) 评论(0) 推荐(0) 编辑

2020年10月1日

CCS - Channel Capacity and Coding - Channel Coding - Performance of Linear Block Codes

摘要： Performance of Linear Block Codes Linear block codes can be decoded using either soft-decision decoding or hard-decisiondecoding. In a hard-decision d 阅读全文

posted @ 2020-10-01 22:51 zzYzz 阅读(214) 评论(0) 推荐(0) 编辑

CCS - Channel Capacity and Coding - Channel Coding - Linear Block Codes - Hamming Codes

摘要： Hamming Codes Matlab Coding 1 % MATLAB script for Illustrative Problem 10.9. 2 echo on 3 k=11; 4 for i=1:2^k 5 for j=k:-1:1 6 if rem(i-1,2^(-j+k+1))>= 阅读全文

posted @ 2020-10-01 21:59 zzYzz 阅读(175) 评论(0) 推荐(0) 编辑

CCS - Channel Capacity and Coding - Channel Coding - Linear Block Codes

摘要： Linear Block Codes Linear block codes are the most important and widely used class of block codes. Ablock code is linear if any linear combination of 阅读全文

posted @ 2020-10-01 21:45 zzYzz 阅读(200) 评论(0) 推荐(0) 编辑

2020年9月30日

CCS - Channel Capacity and Coding - Channel Coding - The Simple Repetition Code

摘要： Channel Coding Communication through noisy channels is subject to errors. In order to decrease the effectof errors and achieve reliablecommunication, 阅读全文

posted @ 2020-09-30 21:13 zzYzz 阅读(294) 评论(0) 推荐(0) 编辑

2020年9月28日

CCS - Channel Capacity and Coding - Channel Model and Channel Capacity - AWGN Channel

摘要： Matlab Coding 1 % MATLAB script for Illustrative Problem 10.2. 2 echo on 3 pn0_db=[-20:0.1:30]; 4 pn0=10.^(pn0_db./10); 5 capacity=3000.*log2(1+pn0/30 阅读全文

posted @ 2020-09-28 22:22 zzYzz 阅读(276) 评论(0) 推荐(0) 编辑

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