Cellular radio network
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A cellular network is a radio network distributed over land through cells where each cell includes a fixed location transceiver known as base station.
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The document discusses switching and traffic in mobile communication systems. It covers basic switching techniques including space-division switching and time-division switching. It also discusses cellular analog and digital switching equipment. Cellular switching equipment consists of processors, memory, switching networks and other components. Digital switching can be centralized, decentralized or use remote control. Special features for handling traffic in cellular systems include underlay-overlay arrangements, direct call retry, hybrid high-low site systems, intersystem handoffs, queuing, and support for roaming subscribers.
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Global System For Mobile Communication by Ummer &Maroof
Global System For Mobile Communication
By: Ummer Rashid Dar & Maroof Bashir Bhat
M.tech (ECE) ,1st year .
Pounduchery University.
Dept.of Electronics Engineering .
605014
Global system for mobile communication(GSM)
~Introduction
~GSM Architecture
~GSM Entities
~SMS Service In GSM
~Call Routing In GSM
~PLMN Interfaces
~GSM Addresses and Identifiers
~Network aspects in GSM
~Handover
~Mobility Management
~GSM Frequency Allocation
~Authentication and Security In GSM
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The document discusses GSM (Global System for Mobile Communication), including its definition as a 2G cellular standard, system architecture with components like the mobile station, base station subsystem, and network subsystem, basic features like call waiting and advanced features like roaming, future developments like UMTS, and advantages like international roaming capabilities and efficient use of spectrum.
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The document discusses switching and traffic in mobile communication systems. It covers basic switching techniques including space-division switching and time-division switching. It also discusses cellular analog and digital switching equipment. Cellular switching equipment consists of processors, memory, switching networks and other components. Digital switching can be centralized, decentralized or use remote control. Special features for handling traffic in cellular systems include underlay-overlay arrangements, direct call retry, hybrid high-low site systems, intersystem handoffs, queuing, and support for roaming subscribers.
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The GSM radio interface uses FDMA to divide the frequency band into channels and TDMA to divide each frequency channel into time slots to allow multiple users, with each user assigned a single time slot. The normal GSM burst carries digitized voice data or other information in a 57-bit data field, and includes guard periods and training sequences to help with timing synchronization and equalization between the mobile station and base transceiver station. GSM networks operate at different frequencies around the world, with GSM-900 being most common in Europe and other parts of the world.
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Global System For Mobile Communication by Ummer &Maroof
Global System For Mobile Communication
By: Ummer Rashid Dar & Maroof Bashir Bhat
M.tech (ECE) ,1st year .
Pounduchery University.
Dept.of Electronics Engineering .
605014
Global system for mobile communication(GSM)
~Introduction
~GSM Architecture
~GSM Entities
~SMS Service In GSM
~Call Routing In GSM
~PLMN Interfaces
~GSM Addresses and Identifiers
~Network aspects in GSM
~Handover
~Mobility Management
~GSM Frequency Allocation
~Authentication and Security In GSM
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GSM is a digital cellular network standard that allows users to roam internationally. It has a modular architecture consisting of mobile stations, base station subsystems, and network switching subsystems. The mobile station includes a mobile equipment and SIM card. The base station subsystem comprises base transceiver stations and base station controllers. The network switching subsystem contains mobile switching centers, home and visitor location registers, and authentication centers that manage subscriber data and authentication. GSM uses cellular networks of hexagonal cells connected to base station controllers and switching centers to provide coverage over wide geographic areas.
Gsm – global system for mobile communication
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This document provides an overview of the Global System for Mobile Communications (GSM). It discusses that GSM was created in 1982 to set a standard for mobile communications and the first system was deployed in 1991. The GSM architecture includes the mobile station, base station subsystem consisting of base transceiver stations and base station controllers, and the network and switching subsystem including mobile switching centers, home location register, and authentication center. GSM operates in the 900MHz and 1800MHz bands in India and uses frequency division duplex to provide communications between mobile devices and the network.
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GSM is a standard for digital cellular networks that allows subscribers to use their phones globally. It uses FDMA to divide the spectrum into channels and TDMA to divide each channel into timeslots. The network consists of MSCs, HLRs, VLRs, BSCs, BTSs and cells. The MSC handles calls and interfaces with other networks. HLRs store subscriber data and VLRs temporarily store data for subscribers in the local area. BSCs control BTSs which transmit signals to mobile devices within cells. Key identifiers include IMSI, IMEI, MSISDN and MSRN.
architecture of GSM & GPPRS Network
this presentation is about the architecture of GSM & GPRS network. describing about their protocol. description of their features
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Call routing for incoming and outgoing call is also included in the presentation.
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The document describes the network structure and components of a GSM network. It discusses the hierarchy of network areas including cells, location areas covered by base transceiver stations (BTS), MSC service areas composed of location areas, PLMN service areas of an entire operator network, and the overall GSM service area. It also describes the functions of key network elements like the mobile station (MS), base station system (BSS), visitor location register (VLR), home location register (HLR), authentication center (AUC), and operations and maintenance center (OMC).
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What is GSM?
The Global System for Mobile communications is a digital cellular communications system. It was developed in order to create a common European mobile telephone standard but it has been rapidly accepted worldwide.
Formerly it was “Groupe Spéciale Mobile” (founded in 1982)
now: Global System for Mobile Communication.
Services:
Tele-services
Bearer or Data Services
Supplementary services
Applications:
Mobile telephony
GSM-R
Telemetry System
- Fleet management
- Automatic meter reading
- Toll Collection
- Remote control and fault reporting of DG sets
Value Added Services
Advantages:
Better Quality of speech
Data transmission is supported
New services offered due to ISDN compatibility
International Roaming possible
Large market
Crisper, cleaner quieter calls
disadvantages:
Dropped and missed calls
Less Efficiency
Security Issues
conclusion
The mobile telephony industry rapidly growing and that has become backbone for business success and efficiency and a part of modern lifestyles all over the world.
In this session I have tried to give and over view of the GSM system. I hope that I gave the general flavor of GSM and the philosophy behind its design.
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GSM(Global system for mobile communication ) is a second generation cellular standard developed to cater voice services and data delivery using digital modulation.
Gsm architecture
The mobile station consists of the mobile equipment and subscriber identity module (SIM) card, the base station system provides radio connectivity between mobile stations and switching equipment and includes base transceiver stations and base station controllers, and the core network components include the mobile switching center for call routing, home location register for subscriber data, visitor location register for temporary subscriber data, and equipment identity register for validating mobile equipment.
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The GSM system architecture is divided into three major systems: the Switching System (SS), the Base Station System (BSS), and the Operation and Support System (OSS). The SS handles call processing and subscriber functions and includes the MSC, HLR, VLR, and other registers. The BSS handles radio functions and includes the BSC and BTS. The OSS manages errors, configuration, faults, and performance across the network. Key interfaces include the A interface between MSC and BSS, the B interface between MSC and VLR, and the Um interface between MS and BTS.
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The document discusses the Global System for Mobile Communications (GSM) standard for wireless telecommunications. It provides an overview of GSM, describing its key components and subsystems, including the mobile station, base station, mobile switching center, location registers, and operation subsystem. It outlines the radio subsystem and network switching subsystem, and how they facilitate mobile communication through functions like mobility management, switching, and database access. Finally, it maps the call setup processes for mobile terminated and originated calls within the GSM system.
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GSM_SANAT_Ppt
I attached the Ppt of GSM system, this PowerPoint slides is useful for those who want to know in-depth GSM system.
GSM lect 5.pptx
The document provides an overview of the Global System for Mobile (GSM) cellular standard. It describes GSM as a second generation digital cellular system developed to provide voice and data services. It discusses GSM's history and development. The key aspects covered include GSM's services, architecture, technical specifications including frequency bands and channels. The architecture describes the components of the mobile station, base station subsystem including base transceiver station and base station controller, and network switching subsystem including the mobile switching center, home location register, visitor location register and other registers.
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GSM Presentation
This document provides an overview of the Global System for Mobile Communications (GSM). It discusses that GSM was created in 1982 to set a standard for mobile communications and the first system was deployed in 1991. The GSM architecture includes the mobile station, base station subsystem consisting of base transceiver stations and base station controllers, and the network and switching subsystem including mobile switching centers, home location register, and authentication center. GSM operates in the 900MHz and 1800MHz bands in India and uses frequency division duplex to provide communications between mobile devices and the network.
Gsm architecture
This document provides an overview of the GSM architecture, which includes the mobile station, base station subsystem, and network switching subsystem. The mobile station contains the mobile equipment and subscriber identity module. The base station subsystem consists of the base transceiver station and base station controller. The network switching subsystem contains the mobile switching center, home location register, visitor location register, authentication center, and equipment identity register. The interfaces between these subsystems enable communication and functionality across the different elements of the GSM network.
Gsm architecture
GSM is a standard for digital cellular networks that allows subscribers to use their phones globally. It uses FDMA to divide the spectrum into channels and TDMA to divide each channel into timeslots. The network consists of MSCs, HLRs, VLRs, BSCs, BTSs and cells. The MSC handles calls and interfaces with other networks. HLRs store subscriber data and VLRs temporarily store data for subscribers in the local area. BSCs control BTSs which transmit signals to mobile devices within cells. Key identifiers include IMSI, IMEI, MSISDN and MSRN.
architecture of GSM & GPPRS Network
this presentation is about the architecture of GSM & GPRS network. describing about their protocol. description of their features
Gsm network
This presentation is all about GSM (Global System for mobile Communication). All components, entities ,architecture ,advantages of GSM, future of GSM was the main focus.
Call routing for incoming and outgoing call is also included in the presentation.
gprs
GPRS (General Packet Radio Service) was developed to address the inefficiencies of existing cellular data services by applying a packet radio principle to transfer user data packets in an efficient way. It allows users to be "online" for long periods of time while only being billed based on the volume of data transmitted. The GPRS architecture introduces new network nodes called SGSN (Serving GPRS Support Node) and GGSN (Gateway GPRS Support Node) to route packet-switched data between mobile stations and external packet data networks. This results in faster data speeds and more efficient use of network resources compared to traditional circuit-switched cellular data services.
Gsm architecture
The document describes the network structure and components of a GSM network. It discusses the hierarchy of network areas including cells, location areas covered by base transceiver stations (BTS), MSC service areas composed of location areas, PLMN service areas of an entire operator network, and the overall GSM service area. It also describes the functions of key network elements like the mobile station (MS), base station system (BSS), visitor location register (VLR), home location register (HLR), authentication center (AUC), and operations and maintenance center (OMC).
GSM Technology
What is GSM?
The Global System for Mobile communications is a digital cellular communications system. It was developed in order to create a common European mobile telephone standard but it has been rapidly accepted worldwide.
Formerly it was “Groupe Spéciale Mobile” (founded in 1982)
now: Global System for Mobile Communication.
Services:
Tele-services
Bearer or Data Services
Supplementary services
Applications:
Mobile telephony
GSM-R
Telemetry System
- Fleet management
- Automatic meter reading
- Toll Collection
- Remote control and fault reporting of DG sets
Value Added Services
Advantages:
Better Quality of speech
Data transmission is supported
New services offered due to ISDN compatibility
International Roaming possible
Large market
Crisper, cleaner quieter calls
disadvantages:
Dropped and missed calls
Less Efficiency
Security Issues
conclusion
The mobile telephony industry rapidly growing and that has become backbone for business success and efficiency and a part of modern lifestyles all over the world.
In this session I have tried to give and over view of the GSM system. I hope that I gave the general flavor of GSM and the philosophy behind its design.
The GSM is standard that insures interoperability without stifling competition and innovation among the suppliers to the benefit of the public both in terms of cost and service quality.
Cellular network
The document provides an overview of mobile cellular networks from 1G to 4G technologies. It discusses the basics of cellular networks including frequency bands, cells, and handoffs. It then describes the multiple access schemes used in different generations including FDMA in 1G, TDMA in 2G, and CDMA in 3G. It provides details on 2G GSM network standards, protocols, and architecture. It also summarizes the evolution from 2G to 3G UMTS and 3.5G HSPA networks as well as the 4G LTE technology including its advantages over previous standards.
Global System for Mobile (GSM)
Global System for Mobile (GSM) is a second generation cellular standard developed for voice services and data delivery using digital modulation. GSM is used worldwide, with the largest percentages in Europe (43%), Asia Pacific (37%), and Africa (4%). GSM provides user services like short message service (SMS), voice mail, and various call related services including call waiting, call hold, call barring, and call forwarding. The GSM architecture includes base transceiver stations, base station controllers, mobile switching centers, home location registers, visitor location registers, and authentication centers. GSM offers advantages like reduced power consumption, international roaming, better security, and encryption for applications like mobile telephony, telemetry, and value added
Asyncronous Transfer Model
ATM is a high-speed networking standard designed to support voice, image, video, and data communications through fixed-size cells. It provides high bandwidth, high data transfer rates, quality of service, and efficient bandwidth allocation. ATM is used for both constant rate traffic like audio and video as well as variable rate traffic like data. It can be implemented through a company's own ATM network or through fixed connections from network operators. While ATM requires new hardware and software and has some complexity, it allows for a single network connection that can easily mix different media types.
2 g 3g_4g - brief
The document provides an overview of mobile handset cellular networks, including the evolution from 2G to 4G networks. It describes key aspects of 2G GSM networks such as architecture, channels, protocols and short message service. It also summarizes the development of 3G UMTS networks and 4G LTE networks, outlining their technical improvements over previous generations including increased data rates and new multiple access technologies.
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GSM (Global System for Mobile Communications) is a second-generation cellular technology standard that was first introduced in Europe in 1991. It was developed to address fragmentation issues with first-generation cellular networks and specifies digital network architectures and services. Key features of GSM include international roaming, telephone services like voice calls and SMS, data services up to 9.6 kbps, and supplementary services like call forwarding and caller ID. The GSM network architecture includes mobile stations, base stations, switching systems, databases, and messaging centers.
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GSM(Global system for mobile communication ) is a second generation cellular standard developed to cater voice services and data delivery using digital modulation.
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The mobile station consists of the mobile equipment and subscriber identity module (SIM) card, the base station system provides radio connectivity between mobile stations and switching equipment and includes base transceiver stations and base station controllers, and the core network components include the mobile switching center for call routing, home location register for subscriber data, visitor location register for temporary subscriber data, and equipment identity register for validating mobile equipment.
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The GSM system architecture is divided into three major systems: the Switching System (SS), the Base Station System (BSS), and the Operation and Support System (OSS). The SS handles call processing and subscriber functions and includes the MSC, HLR, VLR, and other registers. The BSS handles radio functions and includes the BSC and BTS. The OSS manages errors, configuration, faults, and performance across the network. Key interfaces include the A interface between MSC and BSS, the B interface between MSC and VLR, and the Um interface between MS and BTS.
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The document discusses the Global System for Mobile Communications (GSM) standard for wireless telecommunications. It provides an overview of GSM, describing its key components and subsystems, including the mobile station, base station, mobile switching center, location registers, and operation subsystem. It outlines the radio subsystem and network switching subsystem, and how they facilitate mobile communication through functions like mobility management, switching, and database access. Finally, it maps the call setup processes for mobile terminated and originated calls within the GSM system.
Atm Networks
ATM is a hybrid switching technology that combines aspects of circuit switching and packet switching. It uses fixed-length cells to carry different types of traffic. ATM provides high-performance connections for LANs using asynchronous transfer mode. It allows for multiple classes of service and high-speed LAN interconnection to support voice, video, and future multimedia applications. ATM networks consist of switches, endpoints like workstations, and interfaces for user-network and network-node connections to support private and public ATM networks.
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GSM architecture consists of mobile stations, a base station subsystem, and a network switching subsystem. The mobile station includes a mobile equipment and SIM card. The base station subsystem is made up of base transceiver stations that communicate with mobile stations and base station controllers that manage radio resources. The network switching subsystem contains key components like mobile switching centers, home and visitor location registers, and an authentication center that help manage subscriber location and authentication.
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The document provides an overview of the Global System for Mobile Communications (GSM) network. It discusses:
1. The key features of GSM that have led to its popularity, including international roaming, low-cost devices, high quality speech, and support for new services.
2. The different areas that make up a GSM network, including cells, location areas, MSC/VLR service areas, and public land mobile networks (PLMNs).
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The document describes the architecture of GSM networks. It discusses the key components including the mobile station, base station subsystem (BSS), and network subsystem (NSS). The mobile station consists of mobile equipment and a subscriber identity module (SIM) card. The BSS comprises base transceiver stations and a base station controller. The NSS combines switches like the mobile switching center with databases like the home location register and visitor location register that track subscriber locations and identities.
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GSM (Global System for Mobile communications) is a digital cellular network developed in the 1980s to provide voice and data services. It uses TDMA technology to allow multiple users to access radio channels simultaneously over the same radio frequency. The GSM network architecture consists of mobile stations, base station subsystems, and network switching subsystems. GSM has evolved over time to support higher data speeds and now provides up to 2Mbps data rates. It is an open, digital standard used by over 4 billion people across more than 212 countries and territories.
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This document provides an overview of the Global System for Mobile Communications (GSM). It discusses key aspects of GSM including its history, standards, architecture, entities, interfaces, addresses and identifiers. The main points are:
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- The GSM architecture consists of mobile stations, a base station subsystem, a network switching subsystem, an operations support subsystem, and data infrastructure.
- Key entities include the mobile station, base transceiver station, base station controller, mobile switching center, home location register, and visitor location register.
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GSM Architecture
GSM is a second generation cellular standard developed to provide voice and data services using digital modulation. It has a global architecture consisting of mobile stations, base station subsystems, and a network switching subsystem. The network switching subsystem includes components like the mobile switching center, home location register, visitor location register, and others that work together to manage communication and mobility. GSM uses digital encryption and authentication to provide secure communication and prevent fraud. It has been enhanced over time to support additional data capabilities and services.
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The document provides an overview of GSM (Global System for Mobile Communications) technologies and architecture. It discusses the objectives of explaining the GSM architecture and its subsystems. The key components of GSM architecture include the mobile station, base station subsystem consisting of base transceiver stations and base station controllers, and the networking switching subsystem containing elements like the home location register, visitor location register, and authentication center. The document also outlines the history and evolution of GSM standards, advantages like worldwide connectivity and mobility, and applications including mobile telephony and automatic meter reading.
Gsm overview for beginners v2
The GSM network architecture consists of four major elements: the mobile station, the base station subsystem, the network switching subsystem, and network coverage. The base station subsystem includes base transceiver stations that communicate directly with mobile stations and base station controllers that manage radio resources. The network switching subsystem contains elements like the mobile switching center, home location register, visitor location register, and authentication center that provide core network functionality and control. Together these elements allow mobile users to connect to the network and have their calls routed and managed across the coverage area.
It2402 mobile communication unit3
UNIT III
MOBILE COMMUNICATION SYSTEMS
GSM-architecture-Location tracking and call setup- Mobility management- Handover-Security-GSM SMS –International roaming for GSM- call recording functions-subscriber and service data mgt –-Mobile Number portability -VoIP service for Mobile Networks –GPRS –Architecture-GPRS procedures-attach and detach procedures-PDP context procedure-combined RA/LA update procedures-Billing
gsm-1.ppt
1. The GSM network architecture consists of mobile stations, base station subsystems, and a network switching subsystem. Mobile stations communicate with base station subsystems via radio channels. The network switching subsystem connects the GSM network to other networks like PSTN and manages subscriber data and mobility.
2. Key components include the mobile station, base transceiver station, base station controller, mobile switching center, home location register, and visitor location register. The mobile station communicates with the base transceiver station via radio channels. The base station controller manages radio resources and handovers. The mobile switching center handles calls and subscriber data.
3. When a call is made, the mobile station is authenticated and a
module2_cie1.ppt
The document describes the key components and architecture of a GSM network. It discusses the mobile station (MS), base station subsystem (BSS) including base transceiver stations (BTS) and base station controllers (BSC), and the network switching subsystem (NSS) including the mobile switching center (MSC). The BSS provides the radio link between the MS and MSC, while the NSS performs call switching and manages subscriber services and mobility. Together these components allow mobile users to make calls, receive calls and obtain billing within the cellular network and when roaming between networks.
Gsm system and radio frequency
The document describes the key components and architecture of the GSM system. It discusses the objectives of GSM including supporting international roaming and good speech quality. It then describes the hierarchy of the GSM system including the mobile station, radio subsystem with base stations and base station controllers, and the network and switching subsystem with mobile switching centers and databases. It also discusses the air interface including frequency allocation and channel structure.
presentation on gsm architecture and fixed assignment
The document provides an overview of GSM architecture and fixed assignment schemes. It discusses the key elements of GSM architecture including the network switching subsystem, base station subsystem, mobile station, and operations and support system. It then covers three fixed assignment schemes - frequency division multiple access (FDMA), time division multiple access (TDMA), and code division multiple access (CDMA) - and describes how channel access is allocated based on frequency, time, or code under each scheme.
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presentation on gsm architecture and fixed assignment
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Cellular radio network
- 1. Cellular Radio Network Cellular Radio Network
- 2. Introduction A cellular network is a radio network distributed over land through cells where each cell includes a fixed location transceiver known as base station.
- 4. Cellular Radio Network Architecture Mobile Station (MS) Base Station Subsystem (BSS) Network Switching Subsystem(NSS) 31-05-2015 4
- 5. System Architecture Mobile Station (MS) The Mobile Station is made up of two entities: 1.Mobile Equipment (ME) -Portable,hand held device . -Uniquely identified by an IMEI (International Mobile Equipment Identity) -Voice and data transmission -Monitoring power and signal quality of surrounding cells for optimum handover. 2.Subscriber Identity Module (SIM) 1. SIM Card carries the user's identity for accessing the network and receiving calls. 2. All calls are charged against SIM card account. 3. It is equipped with a memory to store telephone numbers along with names. 4. It also enables to send and receive short messages ( SMS).. 5
- 6. System Architecture Base Station Subsystem (BSS) Base Station Subsystem is composed of two parts 1. Base Transceiver Station (BTS) - Amplifiers, Antennas that relay radio messages, transceivers (TRX). 2. Base Station Controller (BSC) - allocation of radio channels. -controls handovers from BTS to BTS 31-May-2015 6
- 7. System Architecture Network Switching Subsystem(NSS) Mobile Switching Center (MSC) Heart of the network Manages communication between GSM and other networks Call setup function and basic switching Call routing Billing information and collection Mobility management - Registration - Location Updating - Inter BSS and inter MSC call handoff 31-May-2015 7
- 8. System Architecture Network Switching Subsystem Home Location Registers (HLR) - permanent database about mobile subscribers in a large service area(generally one per GSM network operator) - database contains IMSI, prepaid/postpaid,roaming restrictions,supplementary services. Visitor Location Registers (VLR) - Temporary database which updates whenever new MS enters its area, by HLR database - Controls those mobiles roaming in its area - Reduces number of queries to HLR 31-May-2015 8
- 9. o Equipment Identity Register (EIR) -Equipment Identity Register is a database that contains a list of all valid mobile equipment on the network. o Authentication Center (AuC) -Each network SIM card is assigned an individual authentication key for security to ensure that third parties are unable to use network subscriber services.
- 10. SMSC(Short Message Service Centre)