- IMT-2000 Stands for International Mobile Telecommunications-2000.
- An initiative of the International Telecommunication Union (ITU) to create a global standard for wireless data networks.
- The goal of International Mobile Telecommunications-2000 (IMT-2000) is to support data transmission rates of up to 2 Mbps for fixed stations and 384 Kbps for mobile stations.
- Note that the “2000” in the term “International Mobile Telecommunications-2000” refers to the transmission speed (approximately 2000 Kbps), not the deployment date (which might be several years beyond the year 2000).
- The European proposal for IMT-2000 prepared by ETSI is called as Universal Mobile Telecommunication System(UMTS)
- It is used for all radio environments.
- It supports both packet switched and circuit switched data transmission.
- It offers high spectrum efficiency.
- It support wide range of telecommunication services like voice , data, multimedia and internet.
IMT 2000 Architecture:
- Figure shows the IMT 2000 Architecture.
- The ITU standardize 5 group of 3G for radio access technology.
- It is used the direct spread technology.
- It is also called Wideband CDMA.
- It is part of Third Generation Partnership Project(3GPP)
- It uses Time Code Technology.
- It further divided into 2 standards TDD and TD-SCDMA.
- It uses Multi Carrier Technology.
- CDMA is multi carrier technology and it is part of 3GPP2.
- It uses Single Carrier Technology.
- It is enhancement of US TDMA System.
- It uses Frequency Time Technology.
- It is enhancement version of the digital cordless telephone standardsDECT.
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