Có 25+ tài liệu thuộc chủ đề "UMTS"
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Ad-hoc groups of the SMG plenary and of working parties;. 20.1 Who Uses the Specifications?. 1 The views expressed in this chapter are those of the author and do not necessarily reflect the views of his affiliation entity.. The GSM specifications, being the definitive description of the GSM system, are used as the basis for:. Product planning: this is the...
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Chapter 21: The Contribution of the GSM Association to the. Section 1: Cooperation of the Operators from the Agreement of the GSM MoU to the Opening of Service in 1991/1992. 21.1.1 The Main Objectives of the MoU Group in the First Period of its Activity and its Organization. to avoid that holders of potentially essential IPR for the GSM technology...
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Chapter 22: GSM and UMTS Acceptance in the World. 22.1.1 Introduction. The GSM MoU signed in September 1987 2 differentiated between commitments for CEPT countries and the rest of the world:. When the name of the standardisation group GSM (Groupe Spe´cial Mobile) was used as system name and interpreted as ‘‘Global System for Mobile Communication’’ in many people – including...
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Chapter 23: GSM’s Success Factors. Friedhelm Hillebrand 1. 23.1 Acceptance in Europe, the First Step. The first big step was the success and acceptance in all European countries. GSM was certainly the right product at the right time. There were countries like France and Germany who needed capacity in the early 1990s. Other countries like the UK, Italy, the Nordic...
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The techniques investigated in the study for HSUPA (E-DCH)were, as shown in Figure 2.3:. Figure 2.4 The techniques chosen for the HSUPA work item.. The radio resource management (RRM) functionality with HSDPA and HSUPA has experienced changes compared with Release 99.In Release 99 the scheduling control was purely based in the radio network controller (RNC) while in the base station...