spectrum-allocation-color-algorithm

欧洲标准DVB-S2的LDPC编码的实现代码(European standard DVB-S2 LDPC encoding implementation code)

频谱分配算法，采用图着色的比例公平分配算法(Spectrum allocation algorithm, using the ratio of equitable distribution graph coloring algorithm)

说明：  V5.2接口一致性测试规范，是V5.2接口测试的指导性文件，对V5开发人员有较大帮助(V5.2 interface conformance test specification, V5.2 interface test the guiding document, the right V5 developers have more help)

Derive the theoretical 16QAM bit error rate (BER) with Gray coded constellation mapping in AWGN

说明：  蒙特卡罗模拟光散射程序，粒子随机分布，绝对可以直接运行。带有简单说明～～～～～～！(Monte Carlo Simulation of light scattering process, a random distribution of particles can definitely make a direct run. With a brief description of ~~~~~~!)

说明：  实现雷达的空间谱估计，采用MUSIC算法，可实现多目标的位置估计(Space spectrum estimation of radar)

代码为对ofdm信号进行二次插值的仿真代码(Code for OFDM signals, quadratic interpolation of the simulation code)

本程序主要在MATLAB环境下实现笔状阵列天线的遗传算法的优化。(This procedure mainly in the MATLAB environment to achieve the pen-shaped array antenna genetic algorithm optimization.)

用K-means算法对数据进行聚类分析，得到不同K值情况下的聚类结果并绘制出了J-K关系图。(The K-means algorithm is used to cluster the data, and the clustering results are obtained under different K values. The J-K relation graph is drawn.)

把地理区域分成一个个小区，蜂窝系统在该区域内提供无线覆盖。把可用的频谱分成很多信道，每个小区分配一组信道。使用频分双工（FDD）。在小区间进行频率利用，N个小区构成一个簇，簇间进行频率复用。定义了传播特性（信道参数）以及同频小区的位置。信道的参数包括：小区半径，路径损耗指数，以分贝为单位的对数正态阴影的标准差，基站发射功率级，移动台发射功率级，每个小区的扇区数，扇区化天线的正反向比，要仿真的瞬时位置的组数，同频干扰阈值。(To a geographical area is divided into small areas, cellular systems in the region to provide wireless coverage. The available spectrum is divided into multi-channel, each plot the distribution of a group of channels. The use of frequency division duplex (FDD). In the district between the frequency of use, N plots constitute a cluster, cluster between frequency reuse. The definition of the propagation characteristics (channel parameters), as well as with the frequency of residential location. Channel parameters include: cell radius, path loss index to decibels for units Lognormal shadow of the standard deviation, the base station transmitter power level, mobile station transmitting power level, the number of sectors in each district, sector of the antenna the pros and cons to the ratio, to the transient simulation of the group a few positions, the same frequency interference threshold.)