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kmplot
- LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and si
ldpc802.16
- 在802.16e的系统中，仿真分析AWGN，瑞利衰落信道中的LDPC码的性能。程序中包括编译码的程序。-In 802.16e systems, simulation analysis AWGN, Rayleigh fading channel the performance of LDPC codes. Program, including encoding and decoding process.
LDPCcodeanddecode
- LDPC编解码：实现了LDPC码的编码和解码-LDPC codec: the realization of the LDPC code encoding and decoding
LDPCBSN
- LDPC码既低密度奇偶校验码（Low Density Parity Check Code，LDPC），它由Robert G.Gallager博士于1963年提出的一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低, 结构灵活，是近年信道编码领域的研究热点，目前已广泛应用于深空通信、光纤通信、卫星数字视频和音频广播等领域。LDPC码已成为第四代通信系统(4G) -LDPC codes BER simulation under AWGN channel.
cf_ldpc
- ldpc码编码、译码设计，使用vhdl语言编写，包括c语言写的测试代码-ldpc code encoding, decoding design, vhdl language use, including testing c language code
Wimax
- wimax 标准中码率为1/2，码长为2304 的ldpc码的硬件实现编码及译码算法-wimax standard rate of 1/2, code length 2304 of the ldpc code encoding and decoding algorithm for hardware implementation
Encoders_for_Block_Circulant_LDPC_Codes
- In this paper, we present two encoding methods for block-circulant LDPC codes. The first is an iterative encoding method based on the erasure decoding algorithm, and the computations required are well organized due to the blockcirculant struc
Vblast23PPM
- 自由光通信中，采用4ppm调制，VBLAST编码的译码算法-Free optical communication, the use of 4ppm modulation, VBLAST encoding decoding algorithm
LDPC_BSN
- LDPC codes BER simulation under AWGN channel. MacKay-Neal based LDPC matrix. Message encoding uses sparse LU decomposition. There are 4 choices of decoder: hard-decision/bit-flip decoder, probability-domain SPA decoder, log-domain SPA decoder, and si
Quasi-cyclic_LDPC_fast_encoding
- Quasi-cyclic LDPC codes for fast encoding. IEEE article
AWGN
- 该matlab程序能实现LDPC码的编码和解码，能在matlab7.0运行-The matlab program to achieve encoding and decoding of LDPC codes can be run in matlab7.0
LDPC_in_CMMB
- 讲述CMMB中LDPC的结构和其编译码算法-CMMB in LDPC about the structure and its encoding and decoding algorithms
Turbo_LDPC
- Turbo码，LDPC码（低密度奇偶校验码）均具有接近Shannon限的性能， 是目前便译码研究的热点。Turbo码在低信噪比情况下的性能优于其它各种编码 方式。而LDPC码的描述简单，具有较大的灵活性，当码长足够长时具有比Turbo 码更为良好的性能，其译码复杂度低于Turbo码。-Turbo code, LDPC code (LDPC) all have close to Shannon limit performance, it is the firm' s resear
广义LDPC的程序
- 自己写的广义LDPC的程序，包括编译码，其中最重要的是一码算法，用的是chase算法，有很好的性能，希望可以跟大家交流改进-Generalized LDPC write procedures, including the encoding and decoding, most important of which is a code algorithm, using a chase algorithm has good performance, hoping to improve communi
Realization_of_FPGA_for_LDPC_encoding
- 低密度奇偶校验码(简称LDPC码)是目前距离香农限最近的一种线性纠错码，它的直接编码运算量较大，通常具有码长的二次方复杂度．为此，利用有效的校验矩阵，来降低编码的复杂度，同时研究利用大规模集成电路实现LDPC码的编码．在ISE 8．2软件平台上采用基于FPGA的Verilog HDL语言实现了有效的编码过程，为LDPC码的硬件实现和实际应用提供了依据-Abstract：Low．density parity·check code(LDPC code)is a kind of linear eror
LDPCcodeanddecode
- LDPC编码，完整的编解码过程 matlab代码-LDPC codes, encoding and decoding process of the complete matlab code
MATLAB
- this an example of LDPC code in which after encoding i have added AWGN(Additive white Gaussian noise) and bsc(binary symmetric channel). then i hav performed decoding operation. one can easily devloped different BER vs Eb/N0 graph of different channe
LDPC
- LDPC LDPC码即低密度奇偶校验码 LDPC码已成为第四代通信系统(4G)强有力的竞争者，而基于LDPC码的编码方案已经被下一代卫星数字视频广播标准DVB-S2采纳。-LDPC LDPC codes that low density parity check codes LDPC codes have become the fourth generation communication system (4G) a strong competitor, but the encodin
ldpc
- LCPC编码的C语言描述，给定了校验阵，计算生成矩阵并且进行编码-LCPC coded C language descr iption, given the parity matrix, computing and encoding matrix generation
ldpc
- 一中Ldpc编码，使用matlab实现的，采用的是线性编码算法，复杂度为线性-One Ldpc code, the use of matlab implementation, using a linear encoding algorithm complexity is linear