Hệ thống truyền thông di động WCDMA P7

As discussed in the previous chapters, the International Mobile Telecommunications-2000 (IMT-2000) system is now an up-and-running system after its studies commenced in 1985 in pursuit of a future mobile communications system. IMT-2000 is expected to develop further into a more advanced and diversified system in response to growing demand and need. Efforts to make the IMT-2000 system more sophisticated are continuing at the International Telecommunication Union (ITU) and at various other organizations. Under the International Telecommunication Union-Telecommunication standardization sector (ITUT), a new organization called IMT-SSG (Special Study Group) has started working on the future prospects of IMT-2000....