Nice peer to peer video phone

一份讲述3G安全体系结构的资料，值得一看。-a security architecture of information overseas.

DS-CDMA一种具体的码分导引辅助的信道估计方法-DS-CDMA

通信系统中常用的多进制数字相位调制的源代码 并结合ofdm系统 加入了相应的保护前缀（cp）和导频序列 应用于有关ofdm的信道估计等系统-Communication systems commonly used in multi-band digital phase modulation of the source code and combine OFDM system by adding a prefix corresponding protection (cp) and the pilot sequence used in the relevant channel estimation of OFDM systems

北京邮电大学的初级通信导0论PPT，对于初学者有帮助。-Beijing University of Posts and Telecommunications in the initial communication 0 Introduction On PPT, help for beginners.

CDMA盲多用户检测 matlab源程序 直接执行即可 保证正确-CDMA blind multiuser detection matlab source directly to ensure that the correct implementation of

用ｖｂ编的一个软件项目开发系统，功能完备，操作简单。无解压密码，直接解压可以使用。-vb series with a software development system, complete functions, simple operation. Without extracting passwords, directly extract can be used.

直接序列扩频原理仿真.用ELAINX公司SYSTEMVIEW调试.-Direct Sequence Spread Spectrum simulation theory. SYSTEMVIEW ELAINX companies with debugging.

turbo码搭建了简单的系统来进行纠错展示,可以实现从编码,加入错误,译码,输入输出码字对比等基本功能,另外加入了交互模块,用户可以自己设定错误比特的数目和位置,使纠错功能显而易见.-turbo codes built a simple system for correcting display, from coding can be achieved by adding errors, Decoding, input and output code contrast basic functions, adding to its interactive modules, Users can set their own errors and the number of bits, so that error-correcting functions obvious.

高斯脉冲的频谱分析。近似计算并画出高斯脉冲的前15阶导函数的ESD。-Gaussian pulse spectrum analysis. Approximate Gaussian pulse is calculated and drawn 15 of the first derivative function of ESD.

用自适应滤波中的lms算法来实通信中的自适应均衡问题-Using the LMS adaptive filtering algorithm to real communication problems in the adaptive equalizer