MIMO_OFDM仿真代码

用VB编写的,调用C++生成的DLL库,然后颜色反转.-with VB, C called the formation of DLL, and then the color reversal.

链路路径损耗包括距离相关的路径损耗，阴影衰落，快衰落和天线增益。仿真考虑了域频 和时域快速信道变化。在每个RB中，信道（TX和RX天线之间的链路）被假定为具有零均值的复杂性白高斯随机变量，这在RB的频率范围内（180千赫）和 1 毫秒的持续时间内是恒定的。相邻的RB和时间间隔之间的信道变动是独立的。

　ModBus通讯协议分为RTU协议和ASCII协议，下面就ModBus RTU协议简要介绍如下：-ModBus RTU communication protocol into ASCII protocols and agreements, the following agreement on ModBus RTU briefed as follows :

%例六 多径传播 %本程序中时间单位是微秒 %频率单位为MHz %码速率单位是Mb/s- Cases of more than 6 track the spread of the time this process units are microseconds MHz frequency unit code rate units are Mb/s

检测任何USB设备插入和拔出消息的VC源代码-Detect any USB device insertion and pull-out of the VC source code message

对于做串口程序的人来说，简直就是雪中送炭-Serial port to do the procedure for anyone who is simply a temporary relief

高斯的分布产生随机数的方法： 在瑞利分布生成随机数的方法 该程序是用C + +语言，程序的项目可以通过VS2005打开。对于每个分配，程序生成的随机数10000 泊松分布生成随机数的方法：-The program is written by C++ language, the program project can be opened by VS2005. For each distribution, the program generated 10000 random numbers The method of generating Gaussian distributed random numbers The method of generating Rayleigh distributed random numbers The method of generating Poisson distributed random numbers

Gsm手机(短信息,电话簿)开发库C++源代码,自己调试过，比较好用。-Gsm mobile phone (SMS messages, phone book) the development of library C++ Source code, its own debugging, and relatively easy to use.

　保证服务质量的QoS 路由(Quality of Service Routing) 是网络中解决QoS 问题的一项关键技术. QoS 路由 的主要目标是为接入的业务选择满足服务质量要求的传输路径,同时保证整个网络资源的有效利用. 度量参数选择问 题、寻路问题和路由信息不准确问题是QoS 路由中的几个主要研究内容. 本文围绕这三个方面,介绍了QoS 路由中的 主要问题及相关的解决办法,并探讨了今后QoS 路由可能的研究方向.-To ensure the quality of service QoS routing (Quality of Service Routing) is a network address QoS issues a key technology. QoS routing the main objective is to access business options to meet the requirements of the transmission path quality of service, while ensuring that the entire network efficient use of resources. metric parameters of choice, look for road and routing information is not accurate QoS routing problem is that several major research contents. This paper focus on three aspects, introduced the main issues in QoS routing and related solution, and to explore possible future research directions QoS routing.

本文是一篇经典的基于离散余弦变化的信道估计论文，摘自IEEE的文章，对初学者有帮助。-This article is a classic change based on the discrete cosine channel estimation papers, taken from the IEEE article, for beginners helpful.