Wireless-World-Initiative-New-Radia

OFDM simulation system use different modulation technique such as M-PSK M-QAM user can select that type . the program use image to be transmitted in QI mapped ,signal affected by AWGN and Fading on channel be for received

同步机制的解决方法之一(one of the solutions)

GPRS fundamental review

对消去短环的LDPC码校验矩阵的构造进行分析，发表在通信技术上。(Eliminate short-check matrix ring construction of LDPC codes )

数字信号处理，设计数字滤波器，利用MATLAB语言仿真实现(Digital Signal Processing, Design of Digital Filter and Realization by MATLAB Simulation)

说明：  提供了一个研究NOMA，如何NOMA解决了5G需求、NOMA正在进行的标准化工作以及NOMA与其他应用程序的比较研究像OFDMA这样的OMA方案。我们还展示了NOMA中用户吞吐量的改进在MATLAB仿真的帮助下实现OFDMA。(This paper provides a study of NOMA, how NOMA addresses the 5G requirements, ongoing standardization efforts for NOMA and a comparative study of NOMA with other OMA schemes like OFDMA. We have also demonstrated improvements in the throughput of the users in NOMA as compared to OFDMA with the help of MATLAB simulations.)

说明：  这是一个基于OPtisystem下的对于16QAM信号的仿真，可用于通信工程作业的一般仿真系统。(This is a simulation system of 16QAM signal based on OPtisystem, which can be used in general simulation system of communication engineering operation)

信源产生、信道编码、调制、信道传输、解调、信道译码、差错比较等通信过程的Simulink仿真方法。分析几种调制方式（2FSK、2PSK、QPSK、16PSK、16QAM）在不同信噪比下的通信质量。(Generated source, channel coding, modulation, channel transmission, demodulation, channel decoding, error comparison of the communication process of the Simulink simulation. Analysis of several modulation (2FSK, 2PSK, QPSK, 16PSK, 16QAM) in different SNR communication quality.)

使用matlab中的通信工具箱中simulink搭建直接序列扩频系统并进行仿真，(The direct sequence spread spectrum system is built and simulated by using Simulink in the communication toolbox of MATLAB.)

此代码是关于BPSK-OFDM信号调制代码，简单编码叙述者整个调制过程，可直接运行出结果(BPSK-OFDM signal modulation code)