Gprs architecture in hindi gprs architecture diagram. The combined traffic of the mobile stations in their respective cells is routed through a switch called mobile switching center msc. This data overlay network provides packet data transport at rates from 9. The user equipment or ue is a major element of the overall 3g umts network architecture.
Security issues and challenges in mobile computing and mcommerce. Figure 1 shows the gprs network nodes and the corresponding interfaces, where sms. The iu is the utran interface between the radio network controller rnc and cn. New mobile station is required to access gprs services. Gprs architecture reference model the protocol architecture of the transmission for gprs is given in the figure. Tech 4th year study material, lecture notes, books pdf check out mobile computing pdf free download. The following new gprs network adds the following elements to an existing gsm network. Gprs introduces packet data transmission to the mobile subscriber. Gprs reference architecture gprs can be thought of as an overlay network onto a gsm network. Gprs is also known as gsmip that is a globalsystem mobile communications internet protocol as it keeps the users of this system online, allows to make voice calls, and access internet onthego. The additional components of the gsm architecture comprise of databases and messaging systems functions.
General packet radio service gprs a new dimension to wireless communication slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Tech student with free of cost and it can download easily and without registration need. Umts architecture umts system uses the same core network as the gprs and uses entirely new radio interface. It applies packet radio principles to e ciently transfer data between gsm mobile stations and external packet data network. After establishing new station, these new terminals will be backward which are. Pcs architecture, mobility management, networks signaling, global system for mobile communication gsm system.
It covers intelligent networks in and emerging technologies like mobile ip, ipv6, and voip voice over ip. This book covers all the communication technologies starting from first generation to third generation cellular technologies, wired telecommunication technology, wireless lan wifi, and wireless broadband wimax. Pdf mobile computing and mobile commerce is most popular now a days because of the service offered during the mobility. The new radio network in umts is called utran umts terrestrial radio access network and is connected to the core network cn of gprs via iu interface. Pecs5301 mobile computing 300 module i 10 hrs introduction to personal communications services pcs. Gprs system architecture the gprs is an enhancement over the gsm and adds some nodes in the network to provide the packet switched services. Mobile computing syllabus cs8601 pdf free download. If you continue browsing the site, you agree to the use of cookies on this website. The ggsn then routes the data according to the current context established for. From this it can be seen that it is very similar to the more basic gsm network architecture, but with additional elements. Gprs attempts to reuse the existing gsm network elements as much as possible, but to effectively build a packetbased mobile cellular network, some new network elements, interfaces, and protocols for handling packet traffic are required. To allow the gprs network to provide the packet data capability additional network entities are required to be added to the overall architecture two of the main entities are the ggsn and sgsn. Gsm explain gsm architecture with a neat block diagram.
The architecture of a gsm system is shown in the figure 2. Mobile transport layer qmotivation qtcpmechanisms qclassical approaches qindirect tcp qsnooping tcp qmobile tcp qpeps in general qadditional optimizations qfast retransmitrecovery qtransmission freezing qselective retransmission qtransaction oriented tcp qtcp for 2. The general packet radio service gprs has been developed to address the above ine ciencies and to simplify the wireless access to packet data network. Given below is a simple pictorial view of the gsm architecture. Every call passes through set of equipments to reach the destination. The gsm contains most of the necessary capabilities to support packet transmission over gsm. Characteristics of gprs gprs architecture support nodes of gprs network enhancements gprs interface security. A simplified view of the gsm edge network architecture can be seen in the diagram below.
The higher data rates allow users to take part in video conferences and interact with multimedia web. Mobile computing is humancomputer interaction in which a computer is expected to be transported during normal usage, which allows for transmission of data, voice and video. Ghosh cse 100, april, 2005 6 of 19 challenges mobile computing a ects entire spectrum of issues in computing. Fundamentals of mobile computing second edition prasant kumar pattnaik professor school of computer engineering kiit university bhubaneswar rajib mall. Mobile computing viva unit wise short questions and answers pdf rajeev reddy nareddula. There are new entities called gprs that supports nodes gsn which are responsible for delivery and routing of data packets between mobile stations and external packets networks. Distributed computing as we know works on static wired network. Gprs is packet oriented umts is european proposal for imt2000 1998. In this architecture, ms, bss, mobile switching centervisitor location register mscvlr and home location register hlr in the existing gsm network are modified. The gprs system is an integrated part of the gsm network switching subsystem the network provides mobility management, session management and transport for internet protocol packet services in.
Wireless communications and mobile computing wirel. Cs8601 syllabus mobile computing regulation 2017 anna university free download. The gprs core network is the central part of the general packet radio service gprs which allows 2g, 3g and wcdma mobile networks to transmit ip packets to external networks such as the internet. Mobile computing lecture gprs architecture enghindi. Gprs architecture works on the same procedure like gsm network, but, has additional entities that allow packet data transmission. These network nodes are called gsns gprs support nodes and are responsible for the routing and delivery of the data packets to and form the ms and external packet data networks pdn. Cellular concepts gprs architecture in umts tutorial 17. Sending and receiving packets when the mobile user sends data, the sgsn routes the packets to the appropriate ggsn.
This is the generic definition of ubiquity, where the information is available anywhere, all the time. Cellular concepts gprs architecture in umts cellular concepts gprs architecture in umts courses with reference manuals and examples pdf. Introduction to mobile computing applications of mobile computing generations of mobile communication technologies multiplexing spread spectrum mac protocols. Gprs is based on global system for mobile communication and complements existing services such circuitswitched cellular phone connections and the short message service. Node may initiate computation some where and migrate to. In view of the far greater number of applications and facilities that it can perform, the decision was made to call it a user equipment rather than a mobile. This video shows the detailed information about how the cellular network works in 2g. Hello dosto mera naam hai shridhar mankar aur mein aap sabka swagat karta hu 5minutes engineering channel pe. Home computer faq mobile computing mobile computing viva unit wise short questions and answers pdf. General packet radio services gprs is a packet based wireless communication service that promises data rates from 56 up to 114 kbps and continuous connection to the internet for mobile phone and computer users. The critical part in the gprs network is the mobile to gsn mssgsn link which includes the msbts, btsbsc, bscsgsn, and the sgsnggsn link.
Personal communication systempcs architecture hindi. It provide connection to the external packet data network through the gsm infrastructure with short access time to the network for independent short packets. Cs8601 question bank mobile computing regulation 2017. Pdf security issues and challenges in mobile computing. Gprs architecture mobile communication notes explaining. Welcome guys, we will see gprs architecture in hindi in details. Gprs provided a packet data capability for the 2g cellular systems, enabling the evolution of gsm to provide a data capability. This data network overlaps a secondgeneration gsm network providing packet data transport at the rates from 9. Ms mobile station sgsn serving gprs support node ggsn gateway gprs support node cgf charging gateway function omcg operations and maintenance centre gprs tableau 1. Vhe is defined as an environment in a foreign network such that the mobile users can experience the same computing experience as they have in their home or. In theory, gprs packetbased services cost users less than circuitswitched services since communication channels are being used on a shareduse, aspacketsareneeded basis rather than dedicated to only one user at a time. These functions and interfaces are explained in this chapter. Gprs is designed to work within the existing gsm infrastructure with additional packet switching nodes. The sgsn forms a gateway to the services within the network.
The network architecture for gsm edge was basically the same as that used with gprs. Discuss about the utran interface of umts in detail. This packet mode technique uses multislot technology together with support for all coding schemes cs1 to cs4 to increase the data rates up to 160 kbits. Gprs network architecture including the major network entities.
The main new network architecture entities that were needed are. Connection originating or terminating from external telephone pstn are handled by a dedicated gateway gateway mobile switching center gmsc. Gprs is usually attempts to reuse the existing gsm network elements as much as possible. General packet radio service gprs is a enhancement of gps, which is packet oriented mobile data service on the 2g and 3g cellular communication system.
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