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检索条件"主题词=Turbo codes"
35 条 记 录,以下是1-10 订阅
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A proof of maximum contention-free property of interleavers for turbo codes using permutation polynomials over integer rings
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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2007年 第1期8卷 24-27页
作者: MA Xin-rui XU You-yun ZHANG Le Department of Electronic Engineering Shanghai Jiao Tong University Shanghai 200240 China Institute of Communication Engineering PLA University of Science and Technology Nanjing 210007 China
It is well known that interleavers play a critical role in turbo coding/decoding schemes, and contention-free interleaver design has become a serious problem in the paraUelization of turbo decoding, which is indispens... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
turbo codes with Hybrid Interleaving Mode
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High Technology Letters 2001年 第4期7卷 50-53页
作者: 李建平 Wang Hongyuan Cai Dejun Department of Electronics and Information Engineering Huazhong University of Science and Technology
In the investigation of turbo codes, either random interleavers or structured interleavers are used. Combined two kinds of interleavers in one turbo encoder, a hybrid interleaving mode is proposed in this paper. Compu... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Interleaver Design Method for turbo codes Based on Genetic Algorithm
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Wuhan University Journal of Natural Sciences 2004年 第3期9卷 323-326页
作者: TanYing SunHong ZhouHuai-bei SchoolofElectronicInformation WuhanUniversityWuhan430072HubeiChina AdvancedResearchCenterforScienceandTechnology WuhanUniversityWuhan430072HubeiChina
This paper describes a new interleaver construction technique for turbo code. The technique searches as much as possible pseudo-random interleaving patterns under a certain condition using genetic algorithms(GAs). The... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Research on the transmission performance of turbo codes in DDO-OFDM system
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Optoelectronics Letters 2015年 第2期11卷 134-136页
作者: 童峥嵘 胡桂彬 曹晔 张卫华 Key Laboratory of Film Electronics and Communication Devices and Key Laboratory of Intelligent Computing and Novel Software Technology Tianjin University of Technology
A direct detection optical orthogonal frequency division multiplexing(DDO-OFDM)system using turbo codes is built,and the transmission performance comparison between coded system and uncoded system is *** decoding algo... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Puncturing Period on the Performance of Punctured turbo codes
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Wuhan University Journal of Natural Sciences 2002年 第3期7卷 319-322页
作者: Xu Heng\|ping, Pan Sheng, Zhao Xun, Rong Meng\|tian Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030, Shanghai, China Shanghai Jiaotong University Department of Electronic Engineering Shanghai Shanghai China (GRID:grid.16821.3c) (ISNI:***)
Puncturing is the predominant strategy to construct high code rate turbo codes. Puncturing period is a crucial parameter influencing the performance of punctured turbo codes (PTC). Here we developed a new puncturing s... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Improving the Structure of Multiple Dimension turbo codes Using Multiple Identical Component Encoders
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Wuhan University Journal of Natural Sciences 2010年 第4期15卷 330-334页
作者: WANG Zhenghai1, TIAN Mao1, WANG Yuhao2 1. School of Electronic Information, Wuhan University, Wuhan 430072, Hubei, China 2. School of Information Engineering, Nanchang University, Nanchang 330031, Jiangxi, China School of Electronic Information Wuhan University Wuhan Hubei China School of Information Engineering Nanchang University Nanchang Jiangxi China
In this paper,we propose an improved structure for M-dimension ( M ≥ 2)turbo codes using M identical component encoders. The presented structure only applies single recursive convolutional encoder to encode M interle... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
NEW ITERATIVE SUPER-TRELLIS DECODING WITH SOURCE A PRIORI INFORMATION FOR VLCS WITH turbo codes
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Journal of Electronics(China) 2007年 第1期24卷 122-127页
作者: Liu Jianjun Tu Guofang Wu Weiren The School of Information Science and Engineering Graduate University of Chinese Academy of Sciences Beijing 10004P China
A novel Joint Source and Channel Decoding (JSCD) scheme for Variable Length codes (VLCs) concatenated with turbo codes utilizing a new super-trellis decoding algorithm is presented in this letter. The basic idea of ou... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Understanding turbo codes: A signal processing study
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Journal of Information and Intelligence 2024年 第1期2卷 1-13页
作者: Xiang-Gen Xia Department of Electrical and Computer Engineering University of DelawareDE 19716USA
In this paper,we study turbo codes from the digital signal processing point of view by defining turbo codes over the complex *** is known that iterative decoding and interleaving between concatenated parallel codes ar... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A Self-Terminated Interleaver Design for turbo codes
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Wuhan University Journal of Natural Sciences 2002年 第2期7卷 195-198页
作者: Xu Heng-ping Rong Mong-tian Pan Sheng Zhao Xun Shanghai Jiaotong University Department of Electronic and Engineering Shanghai China (GRID:grid.16821.3c) (ISNI:***)
turbo codes can achieve excellent performance at low signal-to-noise ratio (SNR), but the performance can be severely degraded if no trellis termination is employed. This paper proved that if trellis termination bits ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
APPLICATION OF turbo codes IN HIGH-SPEED REAL-TIME CHANNEL
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Journal of Electronics(China) 2006年 第4期23卷 602-605页
作者: Zhao Danfeng Yue Li Yang Jianhua Information and Communication Engineering College Harbin Engineering University Harbin 150001 China
The time delay of turbo codes due to its iterative decoding is the main bottleneck of its application in real-time channel. However, the time delay can be greatly shortened through the adoption of parallel decod-ing a... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论