viterbi_decoder_acs217

针对胖AP和瘦AP，描述WLAN通信的过程(It describes the process of AP based on Wlan)

在做毕业设计时编写的程序，主要内容是高铁环境下LTE系统的切换算法研究，源码中含scm信道模型。(a simulation about handover in LTE under high-speed railway station environment, which involving scm channel model.)

OFDM峰均比抑制程序，包含代码对应的文章，方便理解(The OFDM PAPR inhibition program, contains the code that corresponds to the article, easy to understand)

说明：  经典无线链路预算模型，预测了在自由空间中由地形的非规则性造成的中值传输衰落。该模型适用于频段为20MHz至40GHz、路径长度为1km至2000km的情况。对于给定的传输路径，该计算机程序通过频率、路径长度、极化方向、天线高度、表面绕射率、地面有效半径和地面导电常数等参数可以确定传输损耗的大小。(Classic wireless link budget model, forecasts the in free space caused by terrain of regularity in the value decline.The model is suitable for the frequency of 20 MHZ to 40 GHZ, path length of 1 km to 2000 km.For a given transmission path, this a computer program can calculate the value of the transmission loss by frequency, path length, polarization direction, antenna height, surface diffraction, effective radius of the ground and ground conductivity constant parameters and so on.)

去上海培训数控的教材资料。西门子840d系统，关于硬件配置，轴调试，数据管理(NC to Shanghai training materials information. Siemens 840d systems, on the hardware configuration, shaft commissioning, data management)

MIMO系统中的功率分配，包括经典的注水算法功率分配程序(MIMO system in power distribution, including the classic water-filling algorithm power allocation procedures)

说明：  MATLAB code for power allocation in V2X networks using SDR and beamforming

说明：  构建了基于压缩感知的信号处理系统，并用BPDN算法将频域稀疏信号恢复出来，BPDN算法与GPSR算法类似，属于基追踪算法，复杂度较高但较为精准。(A signal processing system based on compressed sensing is constructed, and bpdn algorithm is used to recover the sparse signal in frequency domain. Bpdn algorithm is similar to GPSR algorithm, which belongs to base pursuit algorithm, with higher complexity but more accurate.)

实现AWGN信道下，QPSK调制解调，系统的误码率(Achieving AWGN channel QPSK modulation and demodulation, the BER)

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.)