Description: FSK信号鉴频的程序.This program implements the function of finding out the largest and the second largest values of the sequence of "in_buffer[10]"-FSK signal frequency of the procedure. This program implements the function of finding out the largest and the second largest values of the sequence of in_buffer [10] Platform: |
Size: 1024 |
Author:李文甫 |
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Description: 本文对16QAM解调软信息输出(LLR)理论计算方法进行分析，推导
出其简化解调算法。将两者在性能和计算复杂度方面进行了分析比较，并分别在
高斯白噪声信道和瑞利衰落信道环境下进行仿真-In this paper, 16QAM demodulator soft information output (LLR) theoretical calculation method for the analysis derived simplified demodulation algorithm. Both in performance and computational complexity aspects are analyzed and compared, and in white Gaussian noise channel and Rayleigh fading channel simulation environment Platform: |
Size: 195584 |
Author:xzn |
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Description: 将多级调制时, 映射到同一符号的不同比特具有不同可靠性的特性引入软输出高阶解调算法中, 推导出一套
简单易行的通用算法, 使得在任何格雷映射方式下, 都能够使用一组相同的两级递推公式计算比特软判决信息。提供了一种
具有低复杂度的通用的高性能软输出高阶解调算法。-Multi-level modulation, the symbols are mapped to the same bit different with different characteristics of the reliability of the introduction of high-end soft-output demodulation algorithm, derived from a simple generic algorithm, the Gray mapping in any manner that they are able to the use of a group of the same recursive formula for calculating the two-bit soft-decision information. Provides a low-complexity high-performance general-purpose high-end soft-output demodulation algorithm. Platform: |
Size: 294912 |
Author:李波 |
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Description: 考虑将信道编码加入仿真系统，看编码对系统性能带来的改善
需要进行软解调-Consider the simulation adding channel coding system, coding of the system performance to see the improvements brought about by the need for soft demodulation Platform: |
Size: 7168 |
Author:Sun Yadong |
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Description: 这是关于PPM信号解调方法的研究，有硬判决和软判决程序。-This is on the PPM signal demodulation method, a hard decision and soft-decision procedure. Platform: |
Size: 1024 |
Author:qiu_zhi8866 |
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Description: 16QAM解调器的C语言实现，软解调，希望对大家有帮助-16QAM demodulator of the C language, soft demodulation, we want to help Platform: |
Size: 394240 |
Author:毕道旭 |
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Description: 16QAM软解调方式，适合与Turbo码、LDPC等结合，可按照次思路扩展到高阶调制和解调-16QAM soft demodulation method, suitable combination of Turbo codes, LDPC, in accordance with sub-ideas to be extended to higher order modulation and demodulation Platform: |
Size: 1024 |
Author:wei |
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Description: 对16QAM调制方式软解调，我们分为以下几个步骤进行：
⑴产生取值为0、1的随机数，作为16QAM调制的输入二进制序列；
⑵根据16QAM的星座图，按照输入序列分为I和Q两路进行映射，定义映射规则为00 －3，01 －1，11 1，10 3；
⑶产生一组高斯白噪声序列并分别叠加到映射后信号的实部、虚部；
⑷进行软解调。
-Soft demodulation of 16QAM modulation, we divided into the following steps: (1) to produce values for the 0,1 random number, and 16QAM modulation of the input binary sequence (2) according to the 16QAM constellation, according to the input sequence is divided into I and Q, two-way mapping, define the mapping rules for 00-3,01-1,11 1,10 3 (3) generate a set of white Gaussian noise sequence and were superimposed on the signal mapping the real part and imaginary part (4) conduct soft demodulation. Platform: |
Size: 364544 |
Author:shawn |
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Description: ：介绍了AWGN 信道基于高阶调制的软解调算法，研究了LDPC 码的和-积译码算法原
理，并对高阶调制的和-积算法及其简化算法进行了研究与性能仿真. 仿真结果表明采用高阶
调制的λ -min 和-积简化算法译码在降低了译码复杂度的同时可实现高速率数据的可靠传输-the high order soft demodulation algorithms based on AWGN were
introduced. Then the basic encoding and decoding principles of LDPC codes were studied, and the
sum-product algorithms with its reduced complexity algorithms were presented based on high order
soft demodulation. Simulation result shows that the coded-modulation algorithms can work reliably
in high speed digital communication. Platform: |
Size: 97280 |
Author:谭方 |
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Description: Soft decoding soft demodulation自己查找的一些资料-Soft decoding soft demodulation some information to find their own Platform: |
Size: 6740992 |
Author:熊信敏 |
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Description: 在进行软解调时，LLR时关键的步骤，由于大多数论文着眼于AWGN信道，本文在RAYLEIGH信道下讨论了LLR的计算方法，从截止频率入手-During soft demodulation, LLR critical step, because most of the papers focus on the AWGN channel, the paper discusses the channel under RAYLEIGH LLR calculation method, starting from the cut-off frequency Platform: |
Size: 256000 |
Author:zj |
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Description: 在计算软信息LLR进行软解调时，降低复杂度是个永恒的话题，本文提出了一种较新的降低PSK软解调复杂度的方法-
In calculating the LLR demodulator soft soft information, reduce complexity is an eternal topic, this paper presents a relatively new method of reducing the complexity soft demodulation of PSK Platform: |
Size: 101376 |
Author:zj |
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Description: 讲述软解调很不错的一片文档，主要阐述的是8PSK的软解调FPGA实现，但对8PSK的软解调原理阐述很清楚，没有多余的东西，但需要注意其中各个调制符号点得顺序。-About soft demodulation of a document is very good, mainly on the soft 8PSK demodulation FPGA, but soft 8PSK demodulation principle describes very clearly, no extra stuff, but need to pay attention to the point where each modulation symbol was in order. Platform: |
Size: 23552 |
Author:wang |
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