Tài liệu GSM and UMTS (P20) pptx

... be complete and consistent. GSM and UMTS: The Creation of Global Mobile Communication470 14 See TDoc GSM 222/88. 15 See TDoc GSM 482/89 rev2. 16 Cf. for example TDoc GSM 222/88 and TDoc GSM 227/88 at GSM# 20. 17 See ... was found too restrictive, and the later releases are now called Release 4, 5, etc. 20.6.4 New Structure of GSM/ UMTS Specifications From Release 99 on,...

Ngày tải lên: 15/12/2013, 05:15

... standards were created by SMG7 and PT SMG. PT SMG participated in the co-operation and liaison on dualband DECT /GSM and GSM/ Mobile Satellite Systems (MSS). When PCS 1900 (GSM in the 1900 band) ... ITU-T co-ordinator and an ITU-R co-ordinator were installed at PT SMG, funded by member companies. In 1999 and 2000, the work on UMTS and GSM was successively handed over to 3G...

Ngày tải lên: 15/12/2013, 05:15

... players/ Chapter 21: The Contribution of the GSM Association to the Building of GSM and UMTS 527 Chapter 21: The Contribution of the GSM Association to the Building of GSM and UMTS Section 7: The Third Generation ... Building of GSM and UMTS 497 Chapter 21: The Contribution of the GSM Association to the Building of GSM and UMTS Section 1: Cooperation of the Opera...

Ngày tải lên: 15/12/2013, 05:15

... O&M staff. But the larger GSM networks soon had thousands of base stations, all of which sent out alarms, created performance data and needed configuration. GSM and UMTS: The Creation of Global ... those of the author and do not necessarily reflect the views of his affiliation entity. GSM and UMTS: The Creation of Global Mobile Communication Edited by Friedhelm Hillebrand Cop...

Ngày tải lên: 15/12/2013, 05:15

... than advanced analogue hand-helds. Chapter 22: GSM and UMTS Acceptance in the World 533 4 E.g. NMT900 in Scandinavia, the Netherlands, Switzerland and TACS in the UK, Italy and Austria. populated ... global GSM/ UMTS communications. Venezuela, with GSM in 900 MHz, is considering the possi- bility of deploying GSM1 .8 GHz in combination with the IMT2000 core-band /UMTS. So the...

Ngày tải lên: 15/12/2013, 05:15

... roaming. GSM terminals, infra- structure and test systems have the highest market volume and the widest number of manufacturers leading to the widest choice and lowest cost. GSM and UMTS: The ... high quality for slowly moving hand-helds. GSM s superior security and anti-fraud measures protect the users privacy and the oper- ator’s revenue. GSM is an open standard, that is...

Ngày tải lên: 15/12/2013, 05:15

... Agreement on the Concepts and the Basic Parameters of the GSM Standard (mid-1982 to mid-1987) Section 4: The GSM Memorandum of Understanding – the Engine that Pushed GSM to the Market Stephen ... active and had invested a lot of GSM and UMTS: The Creation of Global Mobile Communication20 6 GSM Specs. 02.09 and 03.20 (see attached CD ROM folder A3). Chapter 2: The Agreement...

Ngày tải lên: 26/01/2014, 15:20

... to make GSM competitive on the world market. GSM and UMTS: The Creation of Global Mobile Communication68 Chapter 4: Consolidating GSM Phase 1 and Evolving the Services and Features to GSM Phase ... some key functions such as cell selection and re-selection for a Mobile Station (MS) in idle mode, and handover. It also included the merging of the GSM and DCS 1800. When DC...

Ngày tải lên: 26/01/2014, 15:20