GSM Services & Interfaces
GSM switching services and protocols P9
... Asynchronous Data Services Asynchronous data transmission based on the V. and X. series interfaces is widespread in ®xed networks. In order to support such ``non -GSM& apos;' interfaces, the ... have the conventional asynchronous and synchronous interfaces. The data services at these interfaces workat bit rates as realized by GSM bearer services. Therefore, the data terminal...
Ngày tải lên: 24/10/2013, 13:15
GSM switching services and protocols P10
... as 10.3 TMN Realization in GSM Networks 237 Figure 10.4: A simple TMN architecture of a GSM system (according to [57]) Figure 10.5: Potential signalling interfaces in a GSM TMN managed objects.These ... network management 10 GSM Switching, Services and Protocols: Second Edition. Jo È rg Eberspa È cher, Hans-Jo È rg Vo È gel and Christian Bettstetter Copyright q 2001 John Wiley &am...
Ngày tải lên: 24/10/2013, 13:15
GSM switching services and protocols P11
... circuit switched GSM services. Examples for this are combined GPRS and GSM location updates and combined attachment procedures. Moreover, paging requests of circuit switched GSM calls can be ... interconnects the SMS Gateway MSC (SMS-GMSC) with the SGSN. 11.2 Services 11.2.1 Bearer Services and Supplementary Services The bearer services of GPRS offer end-to-end packet switched...
Ngày tải lên: 28/10/2013, 20:15
GSM switching services and protocols P12
... location-aware services. Examples are navigation services (such as ``Where is the closest gas station?'') or virtual tourist guides (``What is the building on my left side?''). ... requires a GSM- speci®c version of IN. Similar to the IN approach, GSM de®nes a basic call processing function as GSM Service Switching Function (gsmSSF) and a service logic function G...
Ngày tải lên: 28/10/2013, 20:15
Tài liệu GSM Switching, Services and Protocols P1 pdf
... standardized interfaces. In August 2000, the GSM MoU had 394 members which operated GSM networks in 150 countries (see Figure 1.2). Figure 1.2 illustrates the impressive growth in the number of GSM networks ... networks and GSM subscribers. In 1997, 6 years after the commercial start of the ®rst GSM networks, GSM 1 Introduction 6 Table 1.1: Time history ± milestones in the evolut...
Ngày tải lên: 23/12/2013, 17:15
Tài liệu GSM Switching, Services and Protocols P2 pdf
... radio propagation GSM Switching, Services and Protocols: Second Edition. Jo È rg Eberspa È cher, Hans-Jo È rg Vo È gel and Christian Bettstetter Copyright q 2001 John Wiley & Sons Ltd Print ... signal spectrum. Ideally, the spreading sequences are completely orthogonal bit sequences (``codes'') with disappearing cross-correlation functions. Since such completely orthogonal s...
Ngày tải lên: 23/12/2013, 17:15