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3G开发 Low density parity check matrix
Low density parity check matrix
3G开发 Construction of Regular Gallagher Parity Check
Construction of Regular Gallagher Parity Check
学术论文 LDPC编码算法研究及其FPGA实现.rar
LDPC(Low Density Parity Check)码是一类可以用非常稀疏的校验矩阵或二分图定义的线性分组纠错码，最初由Gallager发现，故亦称Gallager码.它和著名Turbo码相似，具有逼近香农限的性能，几乎适用于所有信道，因此成为近年来信道编码界研究的热点。 LDPC码的奇偶校验矩阵呈现稀疏性，其译码复杂度与码长成线性关系，克服了分 ...
学术论文 高吞吐量LDPC码编码构造及其FPGA实现
低密度校验码（LDPC，Low Density Parity Check Code）是一种性能接近香农极限的信道编码，已被广泛地采用到各种无线通信领域标准中，包括我国的数字电视地面传输标准、欧洲第二代卫星数字视频广播标准（DVB-S2，Digital Video Broadcasting-Satellite 2）、IEEE 802.11n、IEEE 802.16e等。它是3G乃至将来4G通信系统中的核 ...
嵌入式综合 最详细的NIOSII教程
核心板配置
 核心板配置癿FPGA芯片是Cyclone II系列癿EP2C8Q208C，具有8256个LEs，36个M4K RAM blocks (4Kbits plus 512 parity bits)，同时具有165,888bit癿RAM，支持18个Embedded multipliers和2个PLL，资源配备十分丰富。实验证明，返款芯片在嵌入NIOS II软核将黑釐开収板癿所有外讴全部跑起来，仅占全 ...
C/C++语言编程 基于（英蓓特）STM32V100的串口程序
This example provides a description of how  to use the USART with hardware flowcontrol and communicate with the Hyperterminal.First, the USART2 sends the TxBuffer to the hyperterminal and still waiting fora string from the hyperterminal that you must enter which must end by '\r'character (keypa ...
Windows Mobile There is an example of how to use the LDPC encode/decode with AWGN channel model in files .ldpc_de
There is an example of how to use the LDPC encode/decode with AWGN
channel model in files .\ldpc_decode.m and .\GFq\ldpc_decode.m.
There are a few parity check matrices available in the code but
you can use other matrices provided you have enough memory to load
them. I suggest checking out matri ...
软件设计/软件工程 ---实现的部分VHDL 程序如下。 --- elsif clk1x event and clk1x = 1 then ---if std_logic_vector(length_no)
---实现的部分VHDL 程序如下。
--- elsif clk1x event and clk1x = 1 then ---if std_logic_vector(length_no) >= “0001” and std_logic_vector(length_no) <= “1001” then -----数据帧数据由接收串行数据端移位入接收移位寄存器---rsr(0) <= rxda --- rsr(7 downto 1) <= rsr(6 downto 0) --- parity <= parity ...
单片机开发 在LPC213X上实现了模拟串口功能
在LPC213X上实现了模拟串口功能，使用中断技术，具有收发功能，可以修改baud,databit,parity,stopbit
单片机开发 This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseud
This LDPC software is intended as an introduction to LDPC codes computer based simulation. The pseudo-random irregular low density parity check matrix is based on Radford M. Neal’s programs collection, which can be found in [1]. While Neal’s collection is well documented, in my opinion, C source c ...