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交通部发行的城市公共交通IC卡技术规范，用于CPU卡规范(Technical Specification of IC Card for Urban Public Transportation issued by the Ministry of Communications for CPU Card Specification)

NS中文手册，不用多说，有兴趣的朋友都知道。找了很久终于找到了，很不错，感谢作者辛苦努力和无私奉献！(NS Chinese manual, Needless to say, friends who are interested to know. Looking for a long time finally found, it is good to thank the author of hard work and selfless dedication!)

关联规则数据挖掘的apriori算法MATLAB程序。。(The apriori association rule data mining algorithm for MATLAB programs. .)

mpls tp oam frame work from ietf. very usefull

说明：  In order to solve the problem of low bandwidth utilization while the peak-to-average power ratio(PAPR) is reduced.

西門子CNC系統編程代碼表,對初學者幫助很大(Siemens CNC system control code )

Multi-Carrier Cooperative Wireless Communication

DRM(Digital Radio Mondiale)系统采用OFDM调制方式， 引入了先进的信源信道编码和调制技术，使得AM波段的音频广播质量大大提高，在保持现有10kHz带宽时接近了FM广播的质量[5](DRM (Digital Radio Mondiale) system uses OFDM modulation, the introduction of advanced source-channel coding and modulation techniques, making AM-band audio broadcast quality greatly improved, while maintaining the existing 10kHz bandwidth close to the quality of FM broadcasting [5])

说明：  D2D信道分配仿真，算法有启发式算法，最优算法等，仿真介入D2D对随干扰门限的变化等。(D2D channel allocation simulation, algorithm has heuristic algorithm, optimal algorithm and so on, simulation involves the change of D2D pair with interference threshold and so on.)

OFDM上下行的链路仿真，很简单，解释的也很清楚，易懂(simulink ofdm,easy)