1). Featured Services of TD-SCDMA：LCS (Location) service and PoC. Such services have their unique advantages with the support of the TD-SCDMA wireless technology. They are realized in a different way in other standards, or cannot be realized in other standards.
2). Differentiated Services: videophone and streaming media. At present, the 2.5G network is unable to or hard to deploy such services. However, they can be realized smoothly in the 3G system.
3).Enhanced Services: WAP, MMS, Intelligent network, Coloring Ring Back Tone/Coloring Echo Background Tone, etc. These services are provided in the current 2.5G network, but the high speed of 3G system can present users with a better experience of them.
4).Transplanted Services: SMS, USSD, Mobile Payment, Coloring Ring Back Tone, Coloring Echo Background Tone, Intelligent network, etc. These services have been realized in 2G or 2.5G systems, and it is of no difference to realize them in 3G.
There are three stages for the industrial development of the TD-SCDMA communications technology, which are introduction period, growing period and flourishing period.
(1)Strategy for the introduction period: Nowadays, China mobile invite lots of famous singers to participate Mobile concerts, which are held to courage users to use 3G service and let more people know this new technology. Construction of TD-SCDMA is just in rough shape now. The transplanted services and enhanced services are needed to suit the habit of users. The voice service is regarded as the major service in this period, with the data service as its supplement. Furthermore, differentiated services should be provided to the users at this time to attract usage. The voice service is still the major force of mobile services. This phenomenon will not change fundamentally in the short run following the advent of 3G. Therefore, the TD-SCDMA network is mainly voice-centric service, with due supply of data services. TD-SCDMA has its advantage in its ability of providing not only data services, but also the voice service. The cost of the voice service for a single user is much lower than that of the 2G system.
(2) Strategy for the growing period: Voice service is the founamental service, but it is not the main advantage of 3G comparing with old technology. TD-SCDMA network should be improved and optimized continuously in growing period to meet the basic requirements of the users. The differentiated services should be extensively deployed to attract usage . The voice and data services are of equal importance for the development in this stage. The feature services could be developed at this time to diversify differentiation in the competition.
(3) Strategy for the flourishing period: The network in this stage is in full swing. The IMS multimedia sub-system could be introduced to gradually integrate service to the IMS system so as to make use of the features of the IMS system in service development. At this stage, many new implementation are flourishing, for example, VoIP technology will gradually take the place of the existing CS voice technology and will develop into an integrated IP network.
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