4G 网络的发展及应用摘要4g 的互联网时代是经过许多变革和创新才演化而来的。分别经过了GSM、GPRS、3G 技术而形成的第四代的通讯技术。那么第四代的不同之处在于哪里，智能化、宽带化、媒体化、个性化、环保化将是这种通讯网络最大的特点了。此篇文章是对于第四代革新进行系统的描述的，阐述了第四代的关键所在，研究了通过核心以后的第四代互联网的前景和优势。所以我们认为，第四代信息网络的下载速度是史无前例的，这比普通的拨号上网要快上 2000 倍。而且这次的革新也对于无线网络进行了发展。对于人们最关心的价格问题，我们可以承诺跟互联网的价格差不多，并且更加灵活的计费通讯。使得更加符合客户们多变得需要。也能够为许多提供不到服务的地方加强服务。关键词：4G；互联网；宽带；DSLAbstract 4G Internet after GSM, GPRS, 3G technology after the fourth generation of actuating the Internet communication technology, intelligent, broadband, media everything, personalization, environmental protection and muti-function change into the whole world will be the main stream of the development of 4G application. In this paper, through the analysis of 4G Internet technology as well as its key, study the advantage of 4G Internet technology, analysis of 4G Internet technology application and development prospect for the 4 g network technology. The author thinks that, 4G system can be downloaded with a speed of 100 m, compared with dial-up situation to improve 2000 times the gap, and can satisfy all the needs of customers for unlimited service. In terms of price, 4G with fixed broadband Internet in terms of price is almost the same, and billing methods more flexible, customers can according to own need to establish basic to service, 4G networks, and in the DSL and cable modulation controller cannot be covered by the local use, so as to expand to the whole region.Key words: 4G; Internet; Broadband; DSL1 绪论1．1 研究背景和意义伴随移动网络应用的...
