GSM and UMTS (P15)

... controls were applied to base stations and not handsets. GSM and UMTS: The Creation of Global Mobile Communication396 Handsets are possessed by individuals and move around with individuals – it ... itself and the network looks up its table of TMSI to IMSI mapping to find the subscriber’s permanent identity and the triplets with which it can authenticate the subscriber and begin...

Ngày tải lên: 07/11/2013, 20:15

... UMTS as mandatory features. † GSM only, UMTS only and GSM/ UMTS terminals should be allowed. † GSM- UMTS handover is needed in both directions, i.e. from and to UMTS or from and to GSM. A UMTS role ... the UMTS Services Concept Further clarification on services was reached at SMG#22 in June 1997 by an agreement on dual mode of operation between GSM and UMTS and...

Ngày tải lên: 17/10/2013, 23:15

... relationships the UMTS project elaborates common specifications for approval and publication as standards, or parts of standards, by ETSI and/ or other standards bodies (such as ANSI, ARIB/TTC and RITT). ... with a UMTS seminar organised by the UMTS Forum, some unofficial meetings took place with RITT and CATR representatives in order to inform them about the UMTS standardisation...

Ngày tải lên: 20/10/2013, 17:15

... 23 GSM WP1 Doc 12/85. 24 GSM WP1 Doc 21/86, para 3 and attached draft recommendation with data sheet. 25 GSM WP1 Doc 66/86. 26 GSM WP1 Doc 86/86, Section 4 and Annex 5. 27 GSM WP1 Doc 47/86. GSM ... should be charged. But the standard was not changed. GSM and UMTS: The Creation of Global Mobile Communication270 20 GSM WP1 Doc 44/87. 21 GSM WP1 Doc 88/87. 22 GSM Doc...

Ngày tải lên: 20/10/2013, 17:15

... architecture and protocols. On the technical side most of the key developments and ideas of GSM architecture and protocols are still living in UMTS. In the switching and routing area, the standards ... common to GSM and UMTS. The continuity is also clearly visible in the working methods, and, not least, the membership. 11.9 Key people The output of the SMG3 and SMG12 amount...

Ngày tải lên: 24/10/2013, 16:15

... for a GSM to UMTS handover. This feature was available on time when also the UMTS standard achieved a level of completeness. As an addendum in the 3GPP Release 4 the GSM to narrowband TDD handover ... Extensions GSM railway was the frequency extension we had to cater in 1995. In the US T1P1 had started activities to adopt GSM for the US market and this was going along with a GS...

Ngày tải lên: 24/10/2013, 16:15

... dations GSM 02.17 and GSM 11.11. However it seems that GSM and MoU network operators might need some expertise from SIMEG as it concerns the definition of acceptance tests for the SIM and the ... work to be done for GSM phase 2. Apart from the maintenance of the ‘‘ frozen’’ GSM 02.17 and GSM 11.11 specifications, SIMEG intended to introduce 3 V technology and ‘‘ discuss a...

Ngày tải lên: 28/10/2013, 23:15

... improvements. The AMR codec standard was formally approved in February 1999 at SMG#28 (speech coding part) and GSM and UMTS: The Creation of Global Mobile Communication378 Figure 14.3 GSM EFR performance: ... phase, 3GPP TSG-SA TDoc SP-000555, Bangkok, Thailand, December 2000. [23] TS 28.062, In-band Tandem Free Operation (TFO) of speech codecs. GSM and UMTS: The Creation of Glo...

Ngày tải lên: 28/10/2013, 23:15

... author and do not necessarily reflect the views of his affiliation entity. 2 GSM Doc 1/82. 3 GSM Doc 2/82. GSM and UMTS: The Creation of Global Mobile Communication Edited by Friedhelm Hillebrand ... GSM day was held. The GSM day and the rest of the seminar included a number of papers and presentations on the data and telematic aspects of GSM. These included: Implementatio...

Ngày tải lên: 07/11/2013, 20:15

... Development of GSM – the 1800 MHz Band In October 1989 the GSM community chose to develop the GSM standard in phases and to produce a complete set of standards for each phase. Phase 1 of GSM was functionally ... of documents: † GSM 11.10 which constitutes the full conformance test suite for GSM; † the TBRs for GSM which define a subset of GSM 11.10 and the mapping between th...

Ngày tải lên: 07/11/2013, 20:15