Description: 802.11b物理层的simulink建模。模型支持1Mbps, 2Mbps, 5.5Mbps, and 11Mbps 的模式，模型包括帧的生成，BPSK、QPSK调制，巴克码扩展，CCK以及信道频移量的选择和一个AWGN信道。 使用说明：先将压缩包解压缩到一个新文件夹中，改变matlab当前执行目录，然后运行WiFi.mdl文件。 压缩包中包括6个文件：WiFi.mdl，WiFi_lib.mdl，WiFi_init.m，cck_codes.mat，ber_test.m，test_level_1.m。 模型使用标准：IEEE Std 802.11b-1999, 来源于: http://standards.ieee.org/reading/ieee/std/lanman/ -802.11b Physical Layer Simulink modeling. Model support 1Mbps and 2Mbps, 5.5Mbps and 11Mbps and model, model generation, including frames, BPSK, QPSK modulation, Barker Code expansion, CCK and channel frequency shift of choice and an AWGN. Use : first decompress compressed to a new folder and change the current implementation of Matlab directory, and then run WiFi.mdl document. Compressed include six documents : WiFi.mdl, WiFi_lib.mdl, WiFi_init.m, cck_codes.mat, ber_test.m, test_level_1.m. Standard Model : IEEE Std 802.11b-1999, from : http://standards.ieee.org/reading/ieee/std/lanman/ Platform: |
Size: 35840 |
Author:飞的 |
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Description: 通信系统中常用的多进制数字相位调制的源代码 并结合ofdm系统 加入了相应的保护前缀（cp）和导频序列 应用于有关ofdm的信道估计等系统-Communication systems commonly used in multi-band digital phase modulation of the source code and combine OFDM system by adding a prefix corresponding protection (cp) and the pilot sequence used in the relevant channel estimation of OFDM systems Platform: |
Size: 1024 |
Author:bingo |
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Description: 这里有OQPSK的调制源程序代码，用matlab做的，很好，需要的可以在这里下载-There are OQPSK modulation source code, using matlab to do, and very good, needs can be downloaded here Platform: |
Size: 1024 |
Author:孙政委 |
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Description: c语言编写的一个turbo码的程序。采用了高斯信道QPSK调制，编码可以任意改变的，适合初学者仿真turbo码的性能-c language code, a turbo procedure. Gaussian channel using QPSK modulation, coding can be arbitrarily changed for beginners simulation the performance of turbo code Platform: |
Size: 236544 |
Author:占敖 |
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Description: BPSK在AWGN信道下的仿真程序，matlab代码，功能齐全，是一个很好的平台-BPSK in AWGN channel under the simulation program, matlab code, full-featured, is a good platform Platform: |
Size: 1024 |
Author:张明 |
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Description: 源码中包括了QPSK的调制与解调，以及QPSK信号比特误码率的计算-Source code included in the QPSK modulation and demodulation, as well as the QPSK signal bit error rate calculation Platform: |
Size: 2048 |
Author:丘实 |
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Description: 详细说明了pi/4 DQPSK 调制、解调，RRC 匹配滤波器设计， BER 蒙特卡洛仿真，rayleigh衰落下的系统仿真。 文档中附有各个模块的Matlab code。-Detailed description of pi/4 DQPSK modulation, demodulation, RRC matched filter design, BER Monte Carlo simulation, rayleigh fading of system simulation. Document attached to each module of the Matlab code. Platform: |
Size: 243712 |
Author:xin |
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Description: 使用matlab程序实现了由随机序列到码元电平、m序列直接扩频解扩、qpsk调制解调，射频调制解调一个完整的qpsk系统过程-Matlab program to use by the random sequence to the symbol level, m direct sequence spread spectrum despreading, qpsk modulation and demodulation, RF modulation and demodulation of the QPSK system, a complete process Platform: |
Size: 8192 |
Author:朱丽平 |
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Description: QPSK调制解调的原理说明，含有源码！很适合教学参考应用-QPSK modulation and demodulation principle that contains the source code! Very suitable for teaching reference application Platform: |
Size: 658432 |
Author:蝈蝈 |
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Description: 提出了一个采用(2,1,7)卷积码+QPSK的中频调制解调方案,并在Xilinx公司的100万
门FPGA芯片上实现了该系统。该系统在信噪比SNR为6dB左右时可实现速率超过1Mbit/s、误码率
小于10-5的数据传输。
-Proposed a use of (2,1,7) convolutional code+ QPSK modulation and demodulation of the IF program, and in Xilinx' s FPGA chip one million on implementation of the system. The system SNR to 6dB signal to noise ratio at about the rate may achieve more than 1Mbit/s, less than 10-5 bit error rate of data transmission. Platform: |
Size: 62464 |
Author:张同星 |
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Description: 数字调制－BPSK[1].QPSK等等多个调制方式的原理－代码等MATLAB程序-Digital Modulation-BPSK [1]. QPSK modulation mode, and so many principles-such as MATLAB program code Platform: |
Size: 325632 |
Author:hao lan |
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Description: 这是用SIMULINK的S-FUNCTION方式编写的系统仿真代码，系统是基于4G网络的核心技术空时分组编码的MIMO-OFDM通信系统的，涉及到空间分集、时间分集和频率分集的有机结合，包括QPSK调制解调、IFFT调制、控制编解码、基于训练符号的信道估计等通信模块。包括main_STBC_MIMO_OFDM和training_symbol两个M文件和一个DOC文件，对各部分的都有详细的代码和注释。-It is used SIMULINK the S-FUNCTION approach to the preparation of the system simulation code, the system is based on the 4G network s core technology space-time block coded MIMO-OFDM communication system, involving spatial diversity, time diversity and frequency diversity of the organic combination, including QPSK modulation and demodulation, IFFT modulation, control of encoding and decoding, symbol-based channel estimation training and other communication module. Including main_STBC_MIMO_OFDM and training_symbol two M file and a DOC file, have detailed the various parts of the code and comments.
Platform: |
Size: 13312 |
Author:masong |
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