【摘要】 随着数字信号处理技术的飞速发展,CSMA /CA协议有效解决了复杂环境下的访问冲突问题,使OF DM技术得到了广泛应用。接入网较大的投资费用以及运营商对降低接入网投资成本的追求,促进了PL C不断完善,并最终走入商用时代。本文主要介绍了PL C的基本原理,探讨了利用广泛的电力线线路资源构造廉价接入网的可能性,以移动基站为中心,采用PL C实现用户宽带接入,使移动运营商借助电力线构造的接入网低成本进入宽带市场成为可能更多还原

【Abstract】 With the rapid development of DSP technology,CSMA/CA protocal solves the problem of access collision on complicated situation validly and OFDM technology is used widely.Due to the high investment cost of access network and service providers′ seeking to low investment cost,PLC is improving day by day and in business.This paper introduces principle theory of PLC and discusses the possibility of using PLC to resolve wideband accessing to customers centered on mobile base station,and then makes mobile telecommunication operators possible to enter wideband market easily.更多还原