GSM switching services and protocols P6
GSM switching services and protocols P6
... elements of GSM transmission chain on the physical layer at the air interface
GSM Switching, Services and Protocols: Second Edition. Jo
È
rg Eberspa
È
cher,
Hans-Jo
È
rg Vo
È
gel and Christian ... security and data protection, are gaining enormous importance in
modern digital systems [17]. GSM therefore introduced powerful algorithms and encryp-
tion techniques. The various...
Tài liệu GSM Switching, Services and Protocols P6 doc
... elements of GSM transmission chain on the physical layer at the air interface
GSM Switching, Services and Protocols: Second Edition. Jo
È
rg Eberspa
È
cher,
Hans-Jo
È
rg Vo
È
gel and Christian ... security and data protection, are gaining enormous importance in
modern digital systems [17]. GSM therefore introduced powerful algorithms and encryp-
tion techniques. The various...
GSM switching services and protocols P7
... and logical channels. Furthermore, exchange of
measurement and control information for channel monitoring occurs through service
primitives.
7.4.1.1 Layer 1 Services
Layer 1 services of the GSM ... 00101001
Assignment failure DCCH MS ! N 00101111
Handover access DCCH MS ! N±
Handover command DCCH N ! MS 00101011
Handover complete DCCH MS ! N 00101100
Handover failure DCCH MS ! N 001...
GSM switching services and protocols P8
... of the handover and
through transferring the handover decision to the BSS. The GSM handover is thus a
network-originated handover as opposed to a mobile-originated handover, where the
handover ... categories:
² Handover because of more favorable path loss conditions
² Mandatory intercell handover
² Mandatory intracell handover
8.4 Handover
199
8.2 Location Registration and Location Upda...
GSM switching services and protocols P9
... in a networktransition
switching unit and carried as a voiceband signal in the PSTN to the analog terminal.
After these introductory remarks, the GSM data and teleservices and their realization ... according to ITU-T standard
9.7 Teleservices: Fax
227
Figure 9.16: Fax adapter in GSM
Figure 9.17: Overview of GSM procedure for fax service
signals in GSM networks are transported...
GSM switching services and protocols P10
... International operation of 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 ... probability, and availability, and it can also be characterized with nontech-
nical criteria like ease of operation and comfort of subscriber access or even hot-line and
suppo...
GSM switching services and protocols P11
... more ef®cient way and simplify the access to external data
networks.
11
GSM Switching, Services and Protocols: Second Edition. Jo
È
rg Eberspa
È
cher,
Hans-Jo
È
rg Vo
È
gel and Christian Bettstetter
Copyright ... (and vice versa), whereas in conventional GSM the scope is only between MS and
BTS/BSC.
As in GSM ciphering, the algorithm A8 generates the Cipher Key Kc from the...
GSM switching services and protocols P12
... and HTML documents
12.2 Overview of GSM Services in Phase 21
GSM is not a closed system that does not undergo any change. The GSM standards are
being enhanced; and in the current phase of standardization ... and control of services in public networks and to use the idea of dividing the
12 GSM ± The Story Goes On
284
switching functionality into basic switching function...
Tài liệu GSM Switching, Services and Protocols P1 pdf
... currently staying and has access to the network. There, the same
communication services can be used as at home, limited only by the properties of the
1
GSM Switching, Services and Protocols: Second ... characteristics and the cellular principle. The understanding of duplex and multi-
ple access schemes serves as the basis for understanding GSM technology. Chapter 3
introduce...
Tài liệu GSM Switching, Services and Protocols P2 pdf
... Simpli®ed two-path model of 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 ... multiple of its original bandwidth. Typically, spreading factors are between 10 and
1000; they generate a broadband signal for transmission from the narrowband signal, and
this is le...