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2下载:
本程序实现了OFDM系统详尽的方针,注释代码非常丰富,有详细的讲解,可以实现AWGN信道和多径信道,并对最终的如BER等性能指标进行了仿真实现。非常经典。很适用发论文或毕业设计时用来做设计的仿真验证工作。-This procedure detailed implementation of the principle of OFDM systems, notes the code is very rich in detail there is, you can achieve AWGN chann
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In this project we analyze and design the minimum mean-square error (MMSE) multiuser receiver for uniformly quantized synchronous code division multiple access (CDMA) signals in additive white Gaussian noise (AWGN) channels.This project is mainly bas
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直扩码分多址DS-CDMA是利用高速的WALSH正交码序列作为地址码,与多用户信息数据相乘得到信息数据的直接扩频信号,再经过BPSK调制后发送出去,经过AWGN无线信道的传输后,在接收端与本地产生的地址码进行相关检测,从中将地址码与本地码一致的用户数据选出,把不一致的用户数据删除。-DS-CDMA DS-CDMA is the use of high-speed WALSH orthogonal code sequences as address code, with multi-user in
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This source code simulates UWB based wireless Communication system which transmits color image over wireless medium.
Modulation type: Pulse position modulation
Pulse: second derivative of a Gaussian pulse Channel: AWGN
Image: lib.jpg-This so
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2下载:
用Matlab进行BPSK系统发送、接收端的仿真,含有发送端、AWGN信道、匹配滤波、下采样、解调、计算不同信噪比下的误码率,并绘制BER曲线-Matlab simulation of BPSK receiving system,including AWGN channel, match filter, down sample,demodulation and BER calculation
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实现了一个直接扩频系统,使用BPSK作为调制解调方法。并比较白噪声AWGN及瑞利衰落(rayleigh fading)环境下,误码率的影响。-There are two files in the zip folder. bpsk_spread.m and jakesmodel.m
Steps for simulation:
1] Run jakesmodel.m first
2] Then run bpsk_spread.m .
3] Note that during the f
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The degree distribution of the LT code optimized for BEC, AWGN channel. The degree distribution optimized for differential channel is also given.
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这个源程序代码包提供了通信系统中BPSK,QPSK,OQPSK,MSK,MSK2,GMSK,QAM,QAM16等调制解调方式 用matlab的实现,以及它们在AWGN和Rayleigh信道下的通信系统实现及误码率性能-The source code package provides the communication system in BPSK, QPSK, OQPSK, MSK, MSK2, GMSK, QAM, QAM16 modulation and demodulation metho
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the original source code for QPSK transmission over
AWGN channel with results and ber plots in detail is given. Here too much inbuilt functions of matlab are not used.
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这个matlab代码仿真了M-QAM的传输。M的取值不同,调制方式分别为4QAM,16QAM,64QAM等。传输信道为AWGN信道,能出误码率曲线。-The matlab code simulation of the M-QAM transmission. The value of M, the modulation mode of 4QAM, 16QAM, 64QAM. The transmission channel is AWGN, the BER curves.
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在高斯白噪声影响下 OFDM系统中最小二乘法与最小方差法误比特率比较 -In OFDM system, compare the difference between LS and MV scheme of BER performance based on AWGN
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Gray码的QPSK,8PSK,16QAM在AWGN下的调制解调程序,给出了BER,SER性能,做了理论曲线的对比,结果与理论值一致。三种调制方式都可以。程序注释详细,并附说明文档。
hcq908@163.com 20120509 - QPSK,8PSK,16QAM modulation and demodulation in AWGN channel with Gray coding. The BER and SER performance are presented and com
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基于matlab中simulink下的通信系统在BPSK和QPSK调制方式和AWGN信道特性下的无编码和卷积编码误码率仿真-Communication system uses BPSK and QPSK modulation method respectively with under no coding and convolution code in the coding and decoding ber, simulating the error of signal transmission
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Matlab software that generates LDPC parity check matrix of rate 1/2 with the possibility of selecting the input output block dimension and performs BER evaluation of BPSK+LDPC transmission over AWGN channel.
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基于 MATLAB 对移动通信中的 BPSK、QPSK、16QAM 和 OFDM 基带传输系统进行仿真,分析它们在 AWGN 和 Rayleigh 信道下的误码率性能。重点建立了基于 QPSK 和 16QAM 调制方式下 OFDM 系统的仿真,比较两种调制方式在 Rayleigh 信道下的传输性能,分析了系统模型,提出了代码优化方案。(Based on MATLAB, we simulate the BPSK, QPSK, 16QAM and OFDM baseband transmission
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3下载:
搭建 BPSK+编码+交织仿真通信链路,仿真分析在不同信道条件下的不同译
码算法的误比特率性能。基于 matlab,搭建 BPSK+卷积编码+交织通信收发链路,
仿真参数如下: 1) 信源比特速率: 100 b R kbps = 2) 卷积编码:码率为 1/2,生成多项式为(561,753) 3) 译码方式:维特比译码(硬判决译码、软判决译码(8 比特量化)) 4) 交织:行列交织,交织器深度为 100bit,宽度为 10; 5) 仿真点数:106 1. 在 AWGN 信道下,仿真并绘出该系统在
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