对于中国而言,基于GSM技术的2G网络已经相当完善,无论是无线网络的覆盖、核心网络的建设还是传输网络的配套,经历这么多年的发展,已经基本上能满足用户对网络资源的需求。国家基于战略考虑,选择中国移动建设我国拥有自主知识产权的3G网络,对中国移动而言是一个挑战,也是一个考验。以下仅从本地网角度简要探讨一下TD传输网络的建设问题。 For China, 2G network based on GSM technology has been quite perfect. Whether it is the coverage of wireless network, the construction of core network or the transmission network, after many years of development, the 2G network has basically been able to meet the user’s demand for network resources. Based on strategic considerations, the country choosing China Mobile to build China’s 3G network with independent intellectual property rights is a challenge and a test for China Mobile. Following is a brief discussion of the construction of TD transmission network from the perspective of local network.