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the satellite communication this paper introduced

Power Allocation for Underlay Device-to-Device Communication over Multiple Channels

介绍了16PSK与16QAM调制的概念，分析了调制的频带利用率和误码性能仿真，总结了16QAM调制和16PSK调制的优缺点。(Introduction of 16QAM modulation 16PSK with the concept of analysis of modulation bandwidth efficiency and BER simulation, summed up the 16PSK modulation 16QAM modulation and the advantages and disadvantages.)

说明：  仿真MIMO信道容量与信噪比和发收天线数目的关系，(Simulated MIMO Channel Capacity)

ModBus水质分析仪CRC计算的接口STM32F2实现，此应用适用于市面大部分Modbus水质协议的CRC校验(ModBus water quality analyzer CRC calculation of the interface STM32F2 implementation, this application is applicable to most of the market Modbus water quality agreement CRC calibration)

NFC协议第二部分，描述了NFC tag 2 通讯协议(NFC protocol second part describes the communication protocol NFC tag 2)

说明：  C++开发104协议，支持主从站。支持多客户端连接(C++ develops 104 protocol to support master and slave stations. Support multi-client connection)

SyncML核心解析代码，对开发SyncML 协议非常有用，SYNCML是OMA的手机同步协议。此代码可以在Windows和LINUX系统中使用.(SyncML core analysis code, SyncML agreement on the development of very useful SYNCML OMA is the phone synchronization protocols. This code in Windows and Linux systems.)

BPSK调制解调 误码率、眼图、星座图，频谱、MATLAB平台(BPSK modulation and demodulation error rate, eye map, constellation diagram)

MIMO系统的ZF和MMSE预编码算法-4发4收(ZF and MMSE MIMO system pre-coding algorithm-4 of 4 admission)