Design Of Anhui Unicom Wcdma Packet Switching Core Network

January 7,2009, China Unicom was based on WCDMA technology, the 3G standard business license. After the success of the business for the integration of China Unicom, has important strategic significance, as WCDMA chain TD-SCDMA, and CDMA2000 is relatively better, if operated efficiently, it will change the existing market structure, rapid increase in China Unicorn's market position. However, taking into account the advantages of TD-SCDMA's policy, CDMA network has a rapid escalation of the technical advantages, as well as users of competitors have advantages, we must quickly build a network, make full use of the industrial chain advantage, to avoid the disadvantages of network resources needed by China Unicom WCDMA a project the building for the future, after 3G licenses are issued to carry out 3G services rapidly Telephone Number, and enhance China Unicorn's mobile brand and market position, ready to do a good job of network resources. Core network construction using "2G/3G a net" construction mode, the network capacity to meet to the end of December 2010 of the G + W users to the development and traffic growth in demand.Full-text expounded WCDMA packet core network architecture, WCDMA R99 and R4 versions of the comparison, and packet networking principles and the network element interface presentation and interface to the corresponding protocol. In the research and analysis UMTS packet domain core network architecture, standards and on the basis of relevant agreements and in accordance with the status quo in Anhui Unicorn's GPRS network, based on WCDMA packet core network construction principles: the building of a packet domain core network upgrade current network device support group 2/3G access on the basis of the introduction of part of the 3GPP R5, R6 technical features to support content billing, OCS interfaces, packet core network to improve safety and redundancy. Put forward a complete packet core network planning and construction program, and gives the business model analysis, the specific method of calculation of interface bandwidth.