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: 教学实验源代码,提供对滑动窗口协议的实验演示,协议分层和协议软件的设计与实现有基本的认识利用所学数据链路层原理,自己设计一个滑动窗口协议并在仿真环境下编程实现有噪音信道环境下的
可靠的双工通信。信道模型为 8000bps 全双工卫星信道,信道传播时延 270 毫秒,信道误码率为 10-5,信道提供字节流传输服务,网络层分组长度在240~256字节范围-Teaching experiment source code, on the Sliding Window Protocol provides experimental demonstration of the agreement stratification and protocol software design and implementation of a basic understanding of the use of the data link layer principle, its own design of a sliding window protocol and simulation programming environment the realization of the noise channel environment duplex reliable communication. Channel model for 8000bps full-duplex satellite channel, channel propagation delay of 270 ms, channel bit error rate of 10-5, byte-stream channel to provide transmission services, network layer packet length in the range of 240 ~ 256 bytes Platform: |
Size: 414720 |
Author:Tony Yau |
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Description: UNB超窄带技术作为一项新兴技术为业内关注,源代码是matlab中simulink的模拟仿真系统,仿真了超窄带体系的通信系统发送和接受,以及误码率的分析等-UNB Ultra narrowband technology as an emerging technology for the industry concerned, the source code is in simulink of matlab simulation system, simulation of ultra-narrow-band system, communications system to send and receive, as well as bit error rate analysis Platform: |
Size: 524288 |
Author:leo |
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Description: 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,采用(7,4)循环码对信源做信道编码,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,再对信号进行信道解码,画出采用信道编码技术和不采用信道编码技术的误比特率图。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated, using (7,4) cyclic code of the source-channel coding to do with a raised cosine roll-off function for base-band modulation, and then transferred to a high frequency channel in the channel by adding Gaussian white noise, the use of matched filter demodulation, demodulation constellation plot, using the minimum Euclidean distance decoding decision, and then right channel signals, decoding, channel coding techniques used to draw and non- channel coding techniques using bit error rate plans. Platform: |
Size: 90112 |
Author:zhaoyang |
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Description: 这里是课程设计时做的一个MATLAB-SIMULINK环境下OFDM的仿真源程序,采用16QAM的子载波调制系统,高斯模拟信道,有误码率分析以及星座图,希望对大家有所帮助-Here is a program designed to do a MATLAB-SIMULINK environment, OFDM simulation source code, using 16QAM subcarrier modulation system, Gaussian analog channel, with bit error rate analysis and the constellation, we want to help Platform: |
Size: 11264 |
Author:苏鹏 |
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Description: DPSK调制与解调,以及误码率分析。图形形象,易懂,是个很不错的源代码-DPSK modulation and demodulation, and bit error rate analysis. Graphic image, easy to understand, is a very good source code Platform: |
Size: 6144 |
Author:dongqi |
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Description: 本程序针对高通公司开发的IS-95通信系统,是一个相对完整的IS-95前向信道的仿真源程序,包括Viterbi编码,数据调制,基于RAKE接收机的解调,实现软判决输入的Viterbi译码等模块,并包括有误码率的计算和性能仿真显示。
-The procedure developed for Qualcomm IS-95 communication system, is a relatively complete IS-95 forward channel simulation source code, including Viterbi coding, data modulation, demodulation based RAKE receiver to achieve soft decision input Viterbi decoding modules, and includes a bit error rate performance computing and simulation show. Platform: |
Size: 4008960 |
Author:songji |
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Description: 本代码是关于多天线技术空时块编码的通信系统仿真源程序,其中包括QPSK调制,QPSK解调,FFT,IFFT,STBC等模块,并给出误码率计算和性能仿真图。-The code is on the multi-antenna space-time block coding techniques of communication system simulation source code, including QPSK modulation, QPSK demodulation, FFT, IFFT, STBC and other modules, and gives the bit error rate and performance simulation map. Platform: |
Size: 12288 |
Author:songji |
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Description: 基于u率的压扩变换法降低峰均功率比的误码率matlab仿真源程序-U Based on the rate of compression and expansion transform lower peak to average power ratio of the bit error rate simulation source code matlab Platform: |
Size: 9216 |
Author:liuxiaolin |
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Description: 通信传输过程中使用TCM 维特比编译码的源程序 包括编码和解码两个子程序,可以绘出误码率曲线-Communication transmission TCM Viterbi decoding using the source code, including encoding and decoding of two subroutines, you can draw the curve of bit error rate Platform: |
Size: 4096 |
Author:PT |
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Description: 对CDMA通信系统进行matlab仿真,包括Viterbi编码(卷积编码),交织,扩频,调制,解调,抽样判决,解偏置,码型转换,解交织等源代码,给出了误码率曲线。-Matlab on the CDMA communication system simulation, including the Viterbi coding (convolutional coding), interleaving, spreading, modulation, demodulation, sampling decisions, solve bias, format conversion, such as source code deinterleave given bit error rate curve. Platform: |
Size: 3072 |
Author:zy |
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Description: 利用SIMULINK和M函数相结合的方式仿真BFSK 调制在多路径瑞丽衰落信道中的传输性能。其中 source产生速率为10Kbit/s、帧长度为1秒的二进制数据源data,并且通过BFSK产生调制信号。BFSK调制的频率间隔为24KHz, BPSK调制符号的样点数为2,调制信号通过多径瑞利衰落信道,移动终端相对运动速率为40公里/小时,接收端对信号进行解调,并把解调后的信号和原始数据信号相比较计算误比特率。最后Sink模块根据SNR与误比特率的关系绘制曲线。-And M functions using SIMULINK combination of simulation BFSK modulation multipath fading channel transmission performance in Ruili. Wherein the source generation rate of 10Kbit/s, the frame length is 1 second binary data source data, and generates a modulated signal BFSK. BFSK modulation frequency interval of 24KHz, BPSK modulation symbols for the two sample points, a modulated signal multipath Rayleigh fading channel, the rate of relative movement of the mobile terminal is 40 km/h, the receiver demodulates the signal and supplies the demodulated after the raw data signal and the signal calculated by comparing the bit error rate. Finally Sink module drawing curves based on SNR and BER relationship. Platform: |
Size: 15360 |
Author:陈思远 |
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