测线编码 Ami 源代码

非常详细地分析了linux下串口通信的程序，有具体的方法思路以及完整的源代码。-A very detailed analysis of serial communication under linux procedures. And there is a specific way of thinking, as well as complete source code.

about the energy detection in wireless communication

SMTP客户端程序，在VS 2008上编译通过，实现简单的发送邮件的功能-SMTP客户端程序

opnet中zigbee协议下经常需要进行节能研究，需要添加电池模块。 ZigBee网络是资源受限的网络, 集中表现在电池能量、数据整合能力、存储空间及通信带宽等非常有限。终端节点采集的原始数据直接传送到路由节点是现在普遍采用的方法，但由于原始数据信息冗余性的存在会浪费有限的电池能量和通信带宽；频繁的信道竞争也会降低信息收集的效率。物理层和MAC层是ZigBee协议射频芯片硬件实现的，所以数据融合只能与网络层和应用层相结合。由于数据融合和网络层相结合带来的跨层的问题给协议栈的实现带来很多困难。

this a source code which can use for encryption of voice signal by using the kasami sequence.Kasami sequence is a pseudo random sequence. -this is a source code which can use for encryption of voice signal by using the kasami sequence.Kasami sequence is a pseudo random sequence.

this is describing lte uplink

此程序为非二进制LDPC 码的仿真程序. 信道为AWGN, 调制方式 是BPSK.-This program is used to simulation nonbinary LDPC codes over AWGN channel and BPSK modulation. The decoding algorithm is in the probability domain and with the fast Hadamard transform in the check node.

gprs 无线数据传输，以无线模块实现的程序初始化程序-gprs-wireless data transfer and wireless model completed initialize code of the program

实现蒙特卡罗分析，可以直接调用进行对误码率等数字通信的相关参数分析-The realization of the Monte Carlo analysis, can directly call on the bit error rate for digital communications, such as analysis of relevant parameters

LDPC已经成为现在很流行的FEC码，这是一篇讲述QC-LDPC编码的经典论文，作者是IEEE终身会员林舒，对目前常用的QC-LDPC编码作了详尽的描述-LDPC has become very popular now FEC code, this is a QC-LDPC code on a classic paper, the author is IEEE Life Member LIN Shu, on the current commonly used QC-LDPC coding detailed description of