TAILIEUCHUNG - GSM and UMTS (P22)

GSM and UMTS Acceptance in the World Section 1: Global Acceptance of GSM Friedhelm Hillebrand 1 Introduction Nobody amongst the early key players expected that GSM would become a global success. There was even deep concern whether it would become a success in all Western European countries. The GSM MoU signed in September 1987 2 differentiated between commitments for CEPT countries and the rest of the world: | GSM and UMTS The Creation of Global Mobile Communication Edited by Friedhelm Hillebrand Copyright 2001 John Wiley Sons Ltd ISBNs 0-470-84322-5 Hardback 0-470-845546 Electronic Chapter 22 GSM and UMTS Acceptance in the World Section 1 Global Acceptance of GSM Friedhelm Hillebrand1 Introduction Nobody amongst the early key players expected that GSM would become a global success. There was even deep concern whether it would become a success in all Western European countries. The GSM MoU signed in September 19872 differentiated between commitments for CEPT countries and the rest of the world The signatories extend a 900 MHz Pan-European digital to cover the territories of all CEPT administrations GSM MoU Article 14 .signatories shall. and other appropriate support to administrations outside CEPT considering the introduction of according to the CEPT GSM standard GSM MoU Article 16 When the name of the standardisation group GSM Groupe Special Mobile was used as system name and interpreted as Global System for Mobile Communication in 1991 1992 many people - including myself - expressed concern about this wording. We felt this wording as over-ambitious and even arrogant. But there are also self-fulfilling prophecies. Interest in mobile communication grew considerably during the late 1980s and early 1990s in many countries around the world. The situation varied considerably from country to country. The main difference for a decision on which mobile system to use was whether the interest of a country was driven primarily by the need of a mobile infrastructure or whether there was a strong industry policy interest in system development and manufacturing. The acceptance of GSM needed promoters. The promotion within Western Europe was done mainly by leading network operators. Outside Europe generally the lead was with 1 The views expressed in this section are those of the author and do not necessarily .

• Kĩ thuật Viễn thông
• Friedhelm Hillebrand
• GMS
• UMTS
• thông tin toàn cầu
• thông tin di động
• hệ thống GSM
• hệ thống UMTS
• Hệ thống thông tin di động
• Thông tin di động thế hệ ba UMTS
• Công suất trong hệ thống di động
• Kỹ thuật viễn thông
• Công nghệ WCDMA
• Đồ án tốt nghiệp đại học
• Quy hoạch mạng 3G cho Viêng Chăn
• Phương pháp quy hoạch mạng UMTS
• Quy hoạch mạng UMTS
• Enterprise of telecommunication Lao
• Thomas haug
• Philippe Dupuis
• Don Zelmer
• the European Research
• Karl Heinz Rosenbrock
• Michel Mouly
• Didier Verhulst
• Klaus Vesder
• voice codecs
• Gisela Hertel
• bernard Mallinder
• Ansgar Bergmann
• Renzo Failli
• Friedhelm
• giao diện vô tuyến
• luận văn
• hệ thống điện
• kỹ thuật điện
• tóm tắt luận văn