Guiding Opinions on the Preparation of the \"3G Network Construction Plan\" (Group internal information, please keep it confidential) China Mobile Communications Group Company Document | China Mobile Planning [2005] No. 46 | Guiding Opinions on the Preparation of the \"3G Network Construction Plan\" To all China Mobile Limited Liability Companies: From September 2004 to January this year, the Group Company issued the task of preparing the \"3G Network Construction Requirements\" to each company in three batches. The preparation of the \"3G Network Construction Requirements\" laid the foundation for the preparation of the \"3G Network Construction Plan\" in the next step. In order to unify the preparation ideas of the \"3G Network Construction Plan\" of each company, the following general principles for 3G networking and guiding opinions on the construction of each professional network are proposed. Please follow them. I. General principles for 3G networking (I) Adhere to the principle of \"2G, 3G one network\", make full use of the advantages of 2G resources, and realize the effective integration of 3G and 2G. The purpose of China Mobile\'s 3G network construction is not to build a new network, but to enhance the carrying capacity of data services based on the original 2G network and according to the needs of business development. It is an upgrade and evolution of the 2G network. Dual-mode mobile phones, 2G/3G compatibility of service platforms, and smooth 2G/3G roaming and switching are the basis for realizing \"2G, 3G, one network\". By upgrading the existing 2G network, 3G and GSM roaming and 3G to GSM one-way voice switching, as well as 3G and GPRS roaming and 3G and GPRS two-way cell reselection can be realized to achieve the goal of \"2G, 3G, one network\" and smooth upgrade of customers and services. The voice and data services of dual-mode mobile phone users in the 3G coverage area are mainly carried by the 3G network, and the voice and data services outside the 3G coverage area are carried by the 2G network. In the construction of 3G, each company should give full play to the advantages of the 2G network and its advantages in the construction, operation and management of the 2G network. In the construction of 3G, efforts should be made to achieve effective integration of 3G and 2G. 2G is an advantageous resource for developing 3G. These advantageous resources include existing 2G base station supporting facilities, 2G indoor distribution system, office buildings, voice channel connection network, signaling connection network, business network (including intelligent network), support network, transmission network, same...
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