msk_modulator_2008_06_22

本书描述了4G LTE / 5G NR 无线接入技术。(This book describes LTE, developed in 3GPP and providing true fourth-generation (4G) broadband mobile access, as well as the new radio-access technology 3GPP is currently working on. Together, these two technologies will provide 5G wireless access.)

DLMS电能表通信协议，国际通行标准 解释了在应用中可能出现的大多数情况(DLMS Power Meter Communication Protocol, the international accepted standard explanation of the application which might arise in most cases)

说明：  利用通信系统中调制信号的循环平稳特性,对频谱空洞进行检测,提升频谱感知技术在低信噪比下的性能。实验结果表明:与传统能量检测方法相比,采用循环特征检测方法改善了认知无线电中频谱空洞的检测能力。(Based on the cyclostationarity of modulation signals, spectrum hole is detected, aiming at the improve- ment of the performance of spectrum sensing in low SNR situation. The results show that comparing with the tra- ditional energy detection technique, cyclostationarity-based spectrum sensing technique has greatly improved the detective ability in cognitive radio.)

（九宫问题）在一个３×３的九宫中有１－８这８个数及一个空格随机的摆放在其中的格子里，如图１－１所示。现在要求实现这个问题：将该九宫格调整为如图１－１右图所示的形式。调整的规则是：每次只能将与空格（上、下、或左、右）相邻的一个数字平移到空格中。试编程实现这一问题的求解。((Nine-palace issues) in a 3 × 3 of the Nine-palace are 1-8 this 8 random number and the placing of a space in which the cell house, as shown in Figure 1-1. Now required to achieve this issue: the squares adjustment for the right as shown in Figure 1-1 form. Adjustment of the rules: each can only be with the spaces (upper and lower, or left, right) adjacent to a digital flat space. Test Programming to solve this problem.)

automatic link establishment radio software

简明微波讲义，比较实用。希望对大家有用！(Microwave concise notes, more practical. Hope it useful!)

说明：  这是最新的卫星通信基础理论的Matlab仿真实现，pcma以及信号衰减和延迟的仿真。尽管不是我本人原创，但比较都经典。文件为*.m格式 (This is the latest in satellite communications theoretical basis Matlab Simulation, pcma and signal attenuation and delay in the simulation. Although it was not my original, but more are classics. M*. document format)

说明：  详尽描述了3GPP LTE环境中小区间资源分配仿真的全过程，有蜂窝小区的模拟方法和资源调度的算法，还有性能仿真的曲线图(3GPP LTE detailed description of the allocation of resources between the environment small and medium-sized simulation of the entire process, and the simulation of Cellular and resource scheduling algorithm, as well as the curve of performance simulation)

fpga时钟，是入门的基础；希望对大家有帮助！(fpga clock, is the entry of the base want to help you!)

说明：  小区同频干扰源码。建立基站、设置功率传输比...很有用的。(co-channel interference in matlab. Include establishing stations and power transmission ratio.)