Wcdma is the best positioned wireless broadband technology. Page 2 pdsn, packet core connectivity for cdma networks starent networks, corp. May 16, 2000 third generation cdma technology evolution ken geisheimer cdma product management may 16, 2000 2. Rates for global evolution edge cdma, are 3g gsm based standards. Cdma based network onchip architecture daewook kim, manho kim and gerald e. A free powerpoint ppt presentation displayed as a flash slide show on id. Wireless course gsm network architecture, channelisation, signalling and call processing dr bhaskar ramamurthi. The cdma development group cdg, founded in december 1993, is an international consortium of companies. A scalable hierarchical architecture based codedivision multiple access cdma is proposed for high performance network onchip noc. Cdma network architecture using optimized sectoring in the accompanying, 1 will be utilized to demonstrate that the most extreme number of calls show in a phone is given by the connection where is the viable greatest power, is the action factor, and because of the broken idea of transmission and.
The rnc, node b and ms together are called the serving radio network system srns. The directory number dialed to reach a mobile subscriber is called the mobile subscriber isdn msisdn, which is defined by the e. Global system for mobile communication technology mobile device investigations program technical operations division. This article is all about the difference between gsm and cdma technology. Gsm is the short form of global system for mobile communications.
Ericsson lte now delivers gigabit speeds to more than ten markets worldwide, adding capacity and cutting timetocontent, for a network that keeps one step ahead of its customers. Compatibility with integrated services digital network isdn and other telephone company services vi. Cdma can be implemented in several ways, two of which are frequency hopping and direct sequencing. By standard the gsm network is divided into four 4 subsystems 1. The telephony network is used to provide not only the. Cdma is almost exclusively used in the united states and some parts of canada and japan. Cdmabased networkonchip architecture daewook kim, manho kim and gerald e. This basic tutorial on gsm architecture also covers gsm burst types, gsm frame structure, gsm channels, gsm physical layer and so on. W cdma is the best positioned wireless broadband technology. Cdg is comprised of service providers, infrastructure manufacturers, device vendors, test equipment vendors, application developers, and. The cdma technology path to 3gthe cdma technology path to 3g cdmaone cdma2000is2000. Ericsson gsmn ucore4 training programs 2012 catalog of.
An overview of cdma2000 technology concepts an overview of cdma2000 technology concepts june 24, 2002 and july 16, 2002. Sprints legacy networks require a separate bts for each network type, including cdma code division multiple access, ptt push to talk, and 4g wireless services. Cdma metroe xdsl wimax service 1 service 2 service 3 service n. Unlike routing in the fixed network, where a terminal is semipermanently wired to a central office, a gsm user can roam nationally and even internationally. In this paper we propose a multicarrier code division multiple access mccdma based architecture with variable spread ing factor for the downlink of infrastructure wireless local area networks. Often described as a true intelligence network, gsm is called the first true wireless network because. Architecture gsm architecture is classified into three subsystems i. Network architecture is optimal today, but will it be. The gsm architecture consists of multiple network elements. Cdma20001x radio access network ran packet control function pcf. Learn how cisco uses the same technologies we sell to customers to drive productivity, save costs, and more. Umts is evolved from gprs to replace the radio access network. Logically, the cn is divided into the cs circuit switched domain and the ps packet switched.
A cdma based scalable hierarchical architecture for network. Gsm network architecture elet 6302 motivation outline introduction and history. Gsm network architecture, channelisation, signalling and call. Wcdma including the ran radio access network and the cn core network. A scalable hierarchical architecture based codedivision multiple access cdma is proposed for high performance networkonchip noc. Gsm network architecture, channelisation, signalling and. The structure of a gsm network relies on several functional entities, which have been specified in terms of functions and interfaces. W cdma and cdma 2000 are two major proposals for 3g system w cdma does not need base station timing synchronization whereas base station timing synchronization in cdma 2000 can provide decreased latency and a. Delivering on 3g cdma development group cdma worldwide. Architecture of gsm network a gsm network is composed of several functional entities, below diagram illustrates the layout of a generic gsm network.
This gsm tutorial covers gsm basics, gsm architecture and gsm system features. Get expert guidance before, during, and after tech deployments. Product portfolio positioning places in the network 7600 asr9k npe ip mpls core ip mpls edge crs peering nexus 7000. Product portfolio positioning places in the network 7600 asr9k. The gsm network architecture wireless communication. Commercial marketing operations cdma portfolio overview. Cdma is the base on which access methods such as cdmaone, cdma2000, and wcdma are built.
Evolution contains not only technical evolution but also expansion to network architecture and services. The ms is the mobile subscriber equipment, which can originate and receive calls and communicate with the bts. A design of the codedivision multiple access cdma cellular system architecture is presented. The architecture of cdma2000 data system is based on the following components as shown in figure 4. Evolutionary analysis of gsm, umts and lte mobile network architectures paschal a.
Multiple users occupying the same band by having different codes is known as cdma code division multiple access system let w spread bandwidth in hz r 1tb date rate s received power of the desired signal in w j received power for undesired signals like multiple access users, multipath. This, together with a thorough grounding of the wideband code division multiple access w cdma. Ppt technical introduction to cdma powerpoint presentation. Skts ranradio access network architecture is evolving to scan. Lzu1088408 cdma portfolio overview lzu1088407 cdma core network overview lzu1088702 ericsson cdma vse overview lzu1088701 ericsson cdma mgw overview lzu1088685 cdma sam21 and gwc overview. Cellular network organization use multiple lowpower transmitters 100 w or less areas divided into cells oeach served by its own antenna oserved by base station consisting of transmitter, receiver, and control unit oband of frequencies allocated ocells set up such that antennas of all neighbors are equidistant hexagonal pattern.
Stand alone standard developed in china evolution path to 3g 2g systems 2. Code division multiple access or cdma has its roots in wwii era spread spectrum technology. Overview of the gsm system and protocol architecture we can use gsm as a basic framework to define and develop the standards for handling the mobilityspecific functions of. A mobile station in a form of a handset, pda, or pcmcia card in handheldportable computer supporting simple ip or mobile ip client or both. Overview third generation cdma technology evolution current. Skts network portfolio efficiently copes with the data traffic explosion by hierarchical multisolution considering the traffic characteristics skts network strategy. Scribd is the worlds largest social reading and publishing site. More than 471 w cdma devices of which 86 hsdpa devices launched 44 handsets, 42 datacards arrival of lowcost w cdma devices will open up the prepaid segment and drive massmarket adoption hsdpa deployments have raced ahead in 2006 and will be followed by hsupa from 1h07. Technical introduction to cdma course outline basic cdma principles coding forward and reverse channels cdma operational details multiplexing, forward and reverse. Cdma codedivision multiple access cpp cello packet. Camel customised applications for mobile network enhanced logic is a set of in intelligent network type functions and procedures that make operatorspecific in services available to subscribers who roam outside their home network. Cdma network architecture consists of following elements mobile station ms.
Iptv core network reference architecture access and aggregation network access and aggregation network core ip mpls network home. Pdf architectural design of a code division multiple. The gsm network can be divided into three broad parts. More than 471 wcdma devices of which 86 hsdpa devices launched 44 handsets, 42 datacards arrival of lowcost wcdma devices will open up the prepaid segment and drive massmarket adoption hsdpa deployments have raced ahead in 2006 and will be followed by hsupa from 1h07. It controls calls to and from other telephone and data communications networks, including the public switched telephone networks pstn, integrated services digital networks isdn, public land mobile networks plmn and public data networks. Overview of the gsm system and protocol architecture.
This hierarchical architecture provides the integration of a large number of ips in a single onchip system. From the network and data center to collaboration and security, we have solutions designed to meet the needs of your business. The base station architecture is based on a universal platform that can support cdma and other cellular standards such as amps and tdma in the same base. The mobile station ms the base station subsystem bss the network switching subsystem nss the operation support subsystem oss given below is a simple pictorial view of the gsm architecture. Both the technologies can be used with 3g standard phones, but 3g gsm speeds can be faster than 3g cdma speeds. The mobile switching center msc performs the telephony switching functions for the network.
The ran is used to process all the radiorelated functions, while the cn is used to process all voice calls and data connections within the umts system, and implements the function of external network switching and routing. In 1985, the fcc allocated three frequency bands to spread spectrum communications. The umts terrestrial radio access network utran consists in bs node the 3g term for bts and radio network controllers rncs connected by atm network. Mar 09, 2014 contents o cellular communication multiple access method cdma introduction o cdma network architecture o call processing in cdma network 3. This type of sim card mobility is analogous to terminal mobility, but provides a personalmobilitylike service within the gsm mobile network refer to chapter 11 for more details. Cdma cellular systems are deemed superior to fdma and tdma, which is why cdma plays a critical role in building efficient, robust, and secure radio communication systems. Individual conversations are encoded with the help of pseudorandom digital sequence. It works together to lead the growth and evolution of advanced wireless telecommunication systems. Sprints better buildings network efficiency strategy the largest contributor to energy consumption in wireless networks are base station transceivers btss, accounting for more than 50 percent i of network energy consumption. Summary introduction global system for mobile communication gsm anybody 500 million users may 2001 anywhere 168 countries may 2001 any media voice, messaging, data, multimedia gsm architecture gsm architecture sim subscriber identity. With this continued strong evolution lte steadily paves the way for 5g while reusing the installed base. Core network evolution while the media focus seems to be primarily on the airinterface evolution of cdma2000, other standards groups, name.
Technologies tdmafdma cdma gsm european standard is 6 u. Gsm network architecture, channelisation, signalling and call processing dr bhaskar ramamurthi professor department of electrical engineering. Cdma technology is known as a spreadspectrum technique which allows many users to occupy the same time and frequency allocations in a given band and space. Basic architecture 2 the bss provides and manages communication paths between the mss and the nss. The cdma based 3g standards selected from numerous proposals to itu have become the major stream for imt 2000. Cdma is the present and future of advanced wireless services code division multiple access cdma is a spread spectrum. This, together with a thorough grounding of the wideband code division multiple access wcdma. The network architecture is designed to deliver internet and advanced services seamlessly, and without the need to buildout a new packet network. It involves three main subsystems, each containing functional units and interconnected with the others through a series of standard interfaces. Evolutionary analysis of gsm, umts and lte mobile network. Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station highlevel functions umts domains and strata umtsgprs protocol architecture references.
Wcdma is a wideband directsequence code division multiple access ds cdma system user information bits are spread over a wide bandwidth by multiplying user data with quasirandom bits called chips derived from cdma spreading codes. An ms has a number of identities including the international mobile. These functions and interfaces are explained in this chapter. The network encoding and decoding schemes for cdma transmission are provided. Complete cdma protocol analysis visit cdma protocol analyzer page mobile switching centervisitors location register to gatewaymsc, service control point, home location register c, e, win interface. It has an open, distributed architecture the separation of switching and service control functions full use of ss7 as the signaling infrastructure its clearly defined and specified interfaces the nature of its in structure. Contents o cellular communication multiple access method cdma introduction o cdma network architecture o call processing in cdma network 3.
The service aspects, architecture, protocols, and implementation strategies are all presented in a clear, concise format. Starents pdsnfa and ha seamlessly deliver enhanced voice, data, and multimedia services for cdma networks. Summary introduction global system for mobile communication gsm anybody 500 million users may 2001 anywhere 168 countries may 2001 any media voice, messaging, data, multimedia gsm architecture gsm architecture sim subscriber. Sprints better buildings network efficiency strategy. World scientific news 54 2016 2739 29 the gsm architecture is made up of majorly three subsystems which include the mobile station, network and switching subsystem nns, and the base station. A cdma based scalable hierarchical architecture for. Basics idea about cdma technology and its applications. Code division multiple access cdma is a digital cellular technology used for mobile communication.
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