The CDMA Development Strategy Of Daxian Group

With the sharp increase of Chinese mobile phone subscribers and the continual enlargement of market, the frequency resource of GSM system at home has become more and more limited. Especially in the large and middle -sized cities densely populated, the capacity-enhancing of GSM is more difficult. The technology of CDMA has very high spectrum efficiency (5.5 times higher than that of GSM) which is helpful to relieve the frequency resource constraints as well as is easier to transit to 3G mobile communication system than GSM and TDMA, so it has objective base to build CDMA system in China.To adapt to the development and demand of markets at home and abroad, Dalian Daxian Group Co., Ltd. began its reform of industry structure in 1997 taking visual products, communication products, key electronic components and spare parts as three pillar industries. This development strategy has been well represented by starting the R&D , manufacture and sales of cell phones to develop in cell phones area. It will be a common target for the Daxian staff of future generations to struggle to reach which is also the premise and purpose of this essay.This essay consists of six chapters. The first chapter "Summary" will introduce and illustrate 3G mobile communication system and its core technology in two sections; the second chapter "The Compare of CDMA Technology" will introduce W-CDMA, CDMA2000 and TD-CDMA technology in three sections; the third chapter "the Situation of International Communication Development" will compare 3G mobile communication technology and combine the situation of internationalcommunication development; the fourth chapter "the CDMA Core Technology of Daxian Group" will analyze systematically network core technology, CDMA personnel communication system key technology and typical CDMA2000-1X and therefore raise the theme of the fifth chapter "the CDMA Development Strategy of Daxian Group" which comes to the conclusion that Daxian Group will keep its position in the area of international cell phones manufacture combining own effort and the corporation with foreign manufacturers to bring both economic and social benefits for the company in three or five years.