So how to solve the problems and improve the stability and anti - disturbance becomes the key point of the realization of power line carrier communication 所以,如何克服以上问题,提高信号传输的稳定性和抗干扰性是实现电力线载波通信技术的关键。
It was clear that homeplug is now recognized as one of three attractive in - home net working solutions , together with ethernet and wi - fi ( ieee 802 . 11lx ) 显然，电力线载波通信技术现在已经被看作使3种主要的室内网络解决方案之一，与以太网，无线局域网( ieee802 . 11x )相互补充。
Traditional power line carrier communication has some shortcomings on communication quality , which let it does n ' t adapt to the dement of the power developing 电力线载波通信以电力线为载体，与其它通信方式比较有着特殊的优势。传统的电力线载波通信在通信质量上的缺陷使其不能适应电力发展对通信的要求。
On the basis of the introduction of the basic concepts about intelligent housing district and home controller , this article realizes a model of a home controller based on pc and power line carrier communication 本论文在介绍智能小区和家庭控制器基本概念的基础上，实现了一个基于pc机和电力线载波通信的家庭控制器模型。
From the results of the experiments , the design of hardware is proved right , and some new methods that can improve the performances of fsk plc are presented at last in this paper 接着本文具体介绍了电力线载波通信模块试验的情况和得出的结论。最后,本文探讨了在原设计基础上的改进方案。电力线载波通信模块的硬件设计和试验是本文重点。
The realization of the model includes two parts " contents : one is the software design of a three - dimension simulated supervising and controlling system , and the other is the design of a power line earner communication module 该模型的实现包含两部分的内容：一部分是三维模拟监控系统的软件设计，一部分是电力线载波通信模块的设计。
Chapter ii analyze the channel character of the power line communication channel , constructs a system model taking consideration of power line channels and the channel estimation algorithm based on pilots are investigated 第二章分析了电力线载波通信信道特性，重点在于针对相应的信道特性对信道进行建模并，给出电力线信道下的信道估计方法和仿真结果。
In this paper , it ' s undoubtedly the most immediate and the cheapest for electric power department to adopt low voltage power line carrier communication network as under layer of the electric automatic meter reading system of residential quarters 系统选择了低压电力线载波通信网作为社区电能自动抄表系统的底层通信网，这对电力部门来说无疑是最直接最经济的。
The problem of noise is a chief block to restrict the popularity and developement of the plc because of the irregularity of power line network , the randomness of transmission distrance and load facility diversities 由于低压范围内电力线网络的非规则性、传输距离的随意性、以及电力线上负载变化的多样性，使得干扰问题成为制约低压电力线载波通信发展和普及的主要障碍。
This thesis presents the studies of the physical layer of power line communications , which is an ofdm - based transmission system . it gives feasible algorithms , and primary implementation of some key modules is discussed as well 本文主要的研究对象使基于ofdm的电力线载波通信传输系统的物理层，对电力线载波信道进行了着重的分析，给出响应的估计算法以及硬件实现模块。
