时间不多，随便译了一下。如有不当，请指正。
The maturity of second generation mobile technology greatly met the demand of customers. The fast development of telecommunications brings in the third generation technology, which has more requirements on transmission network. The current resource of transmission network can not provide what 3G technology requires. The increasing data traffic and multi-media traffic require more band width, which is a big challenge for the air interface and network capacity in 2G network. This article is concentrated on the demand of 3G on transmission network, and its solutions.
At first, the background and development of 3G, including the 3G standards, traffic will be introduced. After that, it will be the introduction of development of WCCDMA standard and network. This article will concentrate on the demand of 3G on transmission network and its solutions according to the current situation of Nanchang transmission network.