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DSSS.rar
- 一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道：不考虑通信信道信号时，由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
DSSS
- 利用MATLAB实现多用户的扩频通信的发送和接受，程序可以直接跑，不需要改动！-The use of MATLAB implementation of multi-user spread spectrum communication send and receive, the program can be directly run, no changes!
B09025
- communication system is expected to increase the service, the quality improvement and also the capacity, using spread spectrum communication system is one of the method to fulfill that demand. This quality and capacity factor will depend on the numb
MUK_algorithm
- This file implements the Multi User Kurtosis Algorithm for Blind Source Separation (see [1] for more details about the method). The zip file contains: - the one_shot.m scr ipt file - the MUK_algorithm.m function The one_shot.m file
modulation
- There are 5sample files of qpsk, ofdm, scfde, alamouti and space time codings. those of 5samples can be useful for using matlab user.
hm
- 分层调制仿真，根据接收用户信道条件好坏，可以按QPSK或16QAM解调。-Hierarchical modulation simulation, according to the received user channel condition is good or bad, can demodulate QPSK or 16QAM.
QPSK
- 轻武器权限申请程序等外侧段v二大王我我的2的1我-In cognitive radio networks, power control is considered as an important issue to improve the performance of dynamic spectrum sharing. In this paper, in order to maximize the efficiency of the system, the secondary users and
joint-detection-of-TD-SCDMA
- 为评估TD_SCDMA下行链路联合检测接收机的性能，使用MATLAB软件进行链路仿真，本程序主要是实现用户QPSK基带调制、扩频、加扰、形成时隙、形成子帧、以及进行脉冲形成滤波，通过加性高斯白噪声信道和瑞利衰落多径信道，信道估计、联合检测等几个主要过程，整个仿真都是在基带进行的。-Link simulation to assess the performance of the TD_SCDMA Downlink joint detection receiver using MATLAB soft
Mod-and-Demod-of-TD-SCDMA
- 本程序为仿真TD-SCDMA的调制解调过程，针对单用户使用QPSK调制，整个仿真过程在基带进行。-The program for the simulation of TD-SCDMA modulation and demodulation process, using QPSK modulation for single-user, the entire simulation process in the baseband.
Alamouti
- 主函数Alamouti(Nr,max_snr,max_err_symbol,symbol_per_frame) 调用函数QpskMapping(psudo_bit_sequence)－－二进制数据到QPSK信号的变换 调用函数RayleighCH(Nr,Nt)－－瑞利衰落信道模拟 仿真示例： Alamouti(1,12,20,24) 说明： 1.2根发射天线、1根接收天线 2.最高信噪比为12dB，即仿真范围为0dB到12dB 3.在每个信噪比
src
- 1、判断输入年份的生肖 2、QPSK和QDPSK的调制仿真系统 3、输入学生管理系统界面 4、根据用户的消费确定赠品 5、对输入有效的3个数进行排序 6、判断输入的年份是否是闰年 7、判断输入日期是第一年中的第几天-1, the judge enter the year of the zodiac 2, QPSK modulation and QDPSK simulation system 3, enter the student management system in
OFDM simulation matlab
- This file simulates OFDM using various modulations schemes The user chooses whether to use BPSK or QPSK ar 16-QAM. Then the code proceeds by inserting Cyclic Prefix and Pilot Signals This is followed by FFT (Fast Fourier Transform) A channel is simul
cdma_ofdm_ESE
- A Hybrid Orthogonal Frequency Division Multiplexing & Code-Division Multiple-Access (OFDM-CDMA) This is a simulation program for uncoded OFDM-CDMA system with QPSK modulation and Complex channel modelled by Rayleigh fading. The program is modifie
MMSE_test
- 单小区单用户多天线MIMO环境下，QPSK调制进行MMSE接收处理，比对理想，非理想和一般MMSE接收的性能-Under the single-cell single-user multi-antenna MIMO environment, QPSK modulation MMSE receiving treatment, compared to the ideal, non-ideal performance and general MMSE reception
ZF_test
- 单小区单用户多天线MIMO环境下，QPSK调制进行ZF接收处理，比对理想，非理想和一般MMSE接收的性能-Under the single-cell single-user multi-antenna MIMO environment, QPSK modulation ZF receiving treatment, compared to the ideal, non-ideal performance and general ZF reception
MISO_MU
- 这个程序是用来仿真多小区多用户，已知信道信息，采用OFDM，QPSK调制下的误码性能分析，特点是将预编码参数放在频域处理。-This program is used to simulate multi-user multi-cell, known channel information, using OFDM, QPSK modulation BER performance under analysis, is characterized by the pre-coding parameters