CRC16-XMODEM

根据流程图搭建并且仿真OFDM系统，画出输入输出的信号的星座图，计算误码率，改变抽头系数……(According to the flow chart, the OFDM system is built and simulated. The constellation diagram of the input and output signals is drawn, the bit error rate is calculated, and the tap coefficient is changed.)

天线相关性对MIMO系统BER性能的影响分析(Antenna MIMO system BER performance analysis)

encoding binary data using non return to zero

QAM高阶调制 恒模盲均衡算法 CMA Equalization Algorithm(QAM CMA Equalization Algorithm)

matlab实现16QAM调制解调的程序(matlab realize 16QAM modulation and demodulation procedures)

说明：  用MATLAB产生线性跳频信号，中心频率和带宽可调(Using MATLAB to generate linear frequency hopping signal with adjustable center frequency and bandwidth)

Multiple input multiple output techniques combined with orthogonal frequency division multiplexing (MIMO-OFDM) provide a promising approach for wireless systems. However, a serious drawback of the OFDM system is the high peak-toaverage power ratio (PAPR), which may severely affect the power efficiency of RF power amplifiers. In this paper, we propose a simple method to reduce the PAPR of MIMO-OFDM signals based on the use of unused subcarriers. Instead of processing the signals at each transmitter separately, a peak cancelling signal is generated at one antenna and is then applied to all the others with only simple modifications. Simulation has shown that a minimum 2 dB reduction in PAPR can be achieved for all transmit signals using this approach. As the signal processing is nearly all done at a single transmitter, repetition of the operations at each transmitter is avoided, and therefore the overall cost of the system can be significantly reduced.

基于omnet++4.0版的UWB程序。已经测试可以运行(The UWB program based on omnet++4.0 Edition. Have been tested can run)

Dynamic Subchannel and Bit Allocation in multiuser mimo-ofdma systems.

HARQ技术研究，以喷泉码为研究对象，结合LDPC纠错码而研究的。(HARQ technology research to fountain codes for the study, and research combined with LDPC error correction code.)