Several improved decoding algorithms are discussed including log - map algorithm and sliding window map algorithm 研究了幾種在map算法基礎上的改進算法。
Chapter two describes the fundamental theory of turbo codes and its iterative decoding algorithm in detail 第二章對turbo碼的基本原理及其迭代譯碼方法做了詳述。
A modified max - log - map decoding algorithm is proposed after a depiction of modified bcjr algorithm 在修正bcjr算法的基礎上,提出了一種改進的max - log - map譯碼算法。
In addition , fast decoding algorithms are also proposed and the corresponding performance is analyzed 除此以外,我們還提出了快速解碼算法并分析了該快速算法的性能。
Aiming directly at decoding algorithm of turbo codes , the paper presented two schemes corresponding the two methods 針對turbo碼的譯碼算法,本文提出了相應于這兩種方法的兩套方案。
Following a short background introduction of channel coding , the thesis describes ldpc code and decoding algorithm 在簡單回顧了信道編碼的背景知識后,本文對ldpc碼的基本概念以及譯碼算法進行了介紹。
In chapter 3 , encoder structure and decoder structure and decoding algorithms of hybrid concatenated convolutional code ( hccc ) is studied 第三章研究了混合級聯(lián)卷積編碼的編譯碼結構、性能限和設計準則。
Two ways of complexity reduced decoding algorithms ( log - map and sova ) are developed and simulated 進一步比較和分析了兩種能夠減小解碼算法( log - map算法和sova )復雜度的方法并給出了他們的計算機仿真曲線。
2 . aiming at the convolutional code with long encoding restriction we adopt the fano sequential decoding algorithm to implement the decoder 2 、針對編碼約束度比較大的卷積碼,采用fano序列譯碼算法來實現(xiàn)譯碼。
Evaluate the bit - error bound of serially concatenated codes ( scc ) , and present the design guidelines and iterative decoding algorithms of scc 推導了串行級連碼的誤比特率限,介紹了串行級連碼的設計準則以及軟判決譯碼算法。