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Réseaux Mobiles Présentation GSM Evolutions 2G vers 3G Réseaux Mobiles Présentation GSM Evolutions 2G vers 3G.

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Présentation au sujet: "Réseaux Mobiles Présentation GSM Evolutions 2G vers 3G Réseaux Mobiles Présentation GSM Evolutions 2G vers 3G."— Transcription de la présentation:

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2 Réseaux Mobiles Présentation GSM Evolutions 2G vers 3G Réseaux Mobiles Présentation GSM Evolutions 2G vers 3G

3 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 2 SOMMAIRE Panorama des réseaux mobiles, caractéristiques essentielles Notions de Mobilité, Handover et Roaming Les réseaux Mobiles: Réseaux 1G et réseaux satellites Réseaux 2G: le GSM caractéristiques & architecture Réseaux 2G: le GSM interfaces & protocoles: MAP, BSSAP Réseaux 2,5G: le GPRS caractéristiques & architecture Réseaux 3G: lUMTS caractéristiques, architecture & protocoles Réseaux de proximité: Home-RF, Bluetooth, Swap Les Services Mobiles: Services liés à la parole Services basés sur la mocalisation Services de Messageries: SMS/EMS/MMS Services basés sur lInternet: WAP/I-Mode Scénarios dEvolutions Applications Roaming et VAS : une introduction aux solutions proposées par NMG

4 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 3 p REPARTITION GEOGRAPHIQUE RESEAUX ETENDUS TERRESTRES (WAN) DISTANCE RESEAUX LOCAUX(LAN) RESEAUX MOBILES (WIRELESS NETWORKS) RESEAUX METROPOLITAINS (MAN) Classification des Réseaux

5 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 4 Extérieur Applications professionnelles Intérieur Grand Public Téléphonie sans fil Home-RF, Bluetooth, Swap Paging ALPHAPAGE OPERATOR TAM-TAM KOBBY TATTOO GSM + Evolutions (GPRS/EDGE/UMTS) 2G 2,5G 3G PABX sans fil Wireless LANs Corporate-GSM MOBIPAC TETRA GSM-Rail Satellites TFTS, GPS LEOS BI-BOP POINTEL CT2 Panorama des réseaux mobiles

6 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 5 Applications non-GSM, dont satellites -Téléphonie sans fil, PABX sans fil -Systèmes de paging -GEOS: Geostationary Earth Orbit Satellites -Réseaux Satellites Télécoms (orbite = 36000km) -En France: Réseau Telecom 1 -Intelsat, Eutelsat…. -LEOS: Low Earth Orbite satellites -Orbite à 800km: des centaines de satellites nécessaires -Irridium, Globalstar, Teledesic … -VSATS: Very Small Aperture Terminals

7 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 6 Réseaux 1G: TELEPHONIE SANS FIL SERVICE DE TELEPHONIE DANS UNE ZONE REDUITE APPLICATIONS: poste domestique (résidentiel) réseau public de quartier: service Télépoint, POINTEL, BI-BOP, TELEPOINT, boucle locale environ abonnés en 1997, en baisse. PABX sans fil (entreprise) LIMITATIONS: usage residentiel seulement modulation analogique pas de transmission de données fréquences limitées ( Mhz)

8 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 7 Réseaux 1G: LES RESEAUX DE PAGING RECEPTION DE MESSAGES COURTS SUR UN TERMINAL MOBILE ALPHAPAGE: FRANCE TELECOM message de 80 caractères (environ abonnés) EUROSIGNAL: FRANCE TELECOM réception d'un BIP (environ abonnés) TAM-TAM, TATOO, KOBBY, TEXTNET.... le plus interessant: grande pénétration, faible consommation, faible prix, peut être personnalisé...., avec ou sans abonnements... Norme européenne ERMES, à développer Environ 1,7 Millions d'utilisateurs au total fin 97 …. Plus rien en 2000 !

9 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 8 TELECOM 1+ 2: SATELLITES TELECOMMUNICATIONS grande capacité de transmission capacité de diffusion a l'infini grande couverture (1/3 Terre) orbite géostationnaire (36 000km) problèmes conditions atmosphériques délais de propagation (250ms) encombrement de fréquences AUTRES SATELLITES INTELSAT EUTELSAT IMMARSAT..... RESEAUX SATELLITES A ORBITE HAUTE: GEOs

10 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 9 RESEAUX SATELLITES A ORBITE BASSE: LEOs FUTURS PROJETS D'UNE MULTITUDE DE PETITS SATELLITES EN ORBITE FAIBLE POUR COUVRIR TOUTE LA SURFACE TERRESTRE PROJET TELEDESIC Bill Gates MICROSOFT 840 satellites à 800km d'altitude PROJET IRRIDIUM ???????? MOTOROLA, FRANCE TELECOM PROJET GLOBALSTAR ALCATEL

11 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 10 RESEAUX SATELLITES: VSATs VSAT = VERY SMALL APERTURE TERMINAL PETITES STATIONS TERRIENNES DE TELECOMMUNICATIONS PAR SATELLITE (emission et/ou réception) échange de données, vidéotransmissions, courriers.. 30 operateurs en FRANCE: FT, BT, Téléport EUROPE,....

12 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 11 De 1G à 2G: RADIOCOM Radiocom 2000: premier service de téléphonie mobile embarqué dans les voitures -En raison des besoins dalimentation (batterie voiture), transmission analogique, pas de compatibilité numérique (RNIS), pas de sécurité… -Ancêtre du GSM -GSM: Global System for Mobile Communications -Système public de communications mobiles pan-européen développé au début des années. -Ce système devait répondre aux critères suivants: -Bonne qualité de transmission de la parole -Coûts des terminaux et services associés le plus bas possible -Faible consommation - Possibilités de roaming international -Compatibilité numérique RNIS

13 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 12 Connexions terrestres CELLULE ANTENNE Les principes de Mobilité xxx-Telecom Liens de signalisation

14 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 13 Techniques Cellulaires Macro Cellules Zones à population dispersée ( diamètre: 10-30km) Usage: voiture, train, etc…. Micro Cellules Zones à population très denses ( 100 à 300m); Usage: piétons Lutilisation de petites cellules permet loptimisation des canaux de transmission et une meilleure précision dans la localisation. Pico Cellules Réservé aujourdhui aux réseaux de proximité ( > 10m) Concept repris dans lUMTS Cellules sélectives Les cellules nont pas toujours besoin dune couverture de 360 degrés Cellules « parapluie » Pour éviter un nombre trop important de commutations entre cellules, il est possible de créer des regroupements de cellules.

15 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 14 Couverture Cellulaire

16 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 15 Handover et Roaming Handover Mécanisme permettant le transfert automatique dune transaction en cours dune cellule vers une cellule, sans perturber la communication. Roaming Mécanisme permettant doffrir les mêmes services de télécommunications mobiles à des clients (roamers) abonnés à dautres réseaux ou dans dautres pays.

17 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 16 2G: Architecture GSM (1)

18 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 17 2G: Architecture GSM (2) HLR = Home Location Register VLR = Visitor Location Register MSC = Mobile Switching Centre HLR = Home Location Register VLR = Visitor Location Register MSC = Mobile Switching Centre Chaque Mobile Station (MS) comprend: - ME = Mobile Equipment - SIM = Subscriber Identity Module Chaque Mobile Station (MS) comprend: - ME = Mobile Equipment - SIM = Subscriber Identity Module BSS = Base Station Sub-System BSC = Base Station Controller BTS = Base Transceiver Station BSS = Base Station Sub-System BSC = Base Station Controller BTS = Base Transceiver Station

19 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 18 2G: Equipements GSM: MSC & BSC Switching Centre (MSC) Gère les communications et les échanges avec les utilisateurs Initialise létablissement et la rupture des communications Initialise le mode de transmission Gère les procédures pour les interactions entre BSCs (Handover) En général: un opérateur gère un MSC par région Base Station Controller (BSC) Gère les connexions et les ressources radio Gère le mode de transmission radio Maintient les connexions radio Supervise et analyse les transferts inter-BSCs (handover)

20 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 19 2G: Equipements GSM: HLR, VLR & AuC HLR Maintient et remet à jour les informations de localisation et de profils de services des clients abonnés chez un opérateur VLR Maintient et remet à jour ces mêmes informations de localisation et de profils de services pour des clients visiteurs en situation de roaming Cette fonctionnalité, bien quindépendante, est le plus souvent intégrée dans le switch (MSC) AuC = Autentication Centre Gère les fonctions de sécurité liées à lidentité des usagers Réalise lencryptage des informations radio.

21 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 20 2G: Protocoles dinterfaces GSM Interface radio Gère les communications entre le mobile et les BTS pour tout ce qui concerne la transmission radio analogique Protocole utilisé: LAPDm Interface Abis Gère les communications entre BTS et BSC, en particulier: La gestion du trafic radio Lexploitation et la maintenance des stations BTS Protocole utilisé: LAPD Interface A Gère les communications entre BSC et MSC, en particulier le handover Signalisation du type SS7 Protocole utilisé: BSSAP

22 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 21 2G: Interface Radio GSM Le spectre radio a des ressources limitées, partagées entre tous les utilisateurs. La méthodologie de partage de bande- passante est une combinaison entre multiplexage temporel et multiplexage fréquentiel (TDMA/FDMA). FDMA utilise 124 fréquences de transmission dans la bande des 25 MHz. A chaque station de base (BS) sont associées une ou plusieurs fréquences. Dans TDMA chaque fréquence de transmission est découpée canaux logiques.

23 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 22 2G: Le protocole BSSAP The MTP and the SCCP are used to support signaling messages between the Mobile Services Switching Center (MSC) and the Base Station System (BSS). One user function of the SCCP, called BSS Application Part (BSSAP) is defined. The BSSAP user function is further subdivided into two separate functions: The Direct Transfer Application sub-Part (DTAP), also called GSM L3, is used to transfer messages between the MSC and the MS (Mobile Station) The BSS Management Application sub-Part (BSSMAP) supports other procedures between the MSC and the BSS related to the MS (resource management, handover control), or to a cell within the BSS, or to the whole BSS.

24 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 23 2G GSM MAP Protocols The equipment in the mobile network subsystem exchange signaling information through the Mobile Application Part (MAP), which is built on top of SS7. MAP supports: MAP and SMS capabilities for IS-41 and GSM networks Acting as the VLR, HLR, and MSC MAP-GSM acting as the VLR, HLR, MSC, and SGSN/GGSN Implementing GSM Phase 1, Phase 2, and Phase 2+. It also supports MAP-GSM extensions for GPRS and CAMEL A: BSC-MSC B: MSC-VLR C: GMSC-HLR D: VLR-HLR D: MSC-IntGway E: MSC-MSC F: MSC-EIR G: VLR-VLR H: HLR-AUC

25 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 24 Mobility: HPLMN to VPLMN Roaming GSM Home Network GSM Visited Network BSC SCCP Gateway MSC Wireline Network HPLMNVPLMN MSC VLR SCCP Gateway BSC BTS VLR HLR

26 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 25 Mobility: the roamer is identified within the VPLMN GSM Home Network GSM Visited Network BSC SCCP Gateway MSC Wireline Network HPLMNVPLMN BTS VLR Record roamers profile ( home network, teleservices, …) Record new VLR location Update location message MSC VLR SCCP Gateway BSC BTS HLR

27 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 26 GSM Home Network GSM Visited Network BSC SCCP Gateway MSC Wireline Network HPLMNVPLMN BTS VLR Attribute a MSRN number for this roamer VLR SCCP Gateway BSC BTS MSC Request to the HLR the customer location HLR Mobility: the roamer is called via a fixed phone

28 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 27 GSM Home Network GSM Visited Network BSC SCCP Gateway MSC Wireline Network HPLMNVPLMN BTS VLR Voice connection Attribute a MSRN number for this roamer Call Set-up VLR SCCP Gateway BSC BTS MSC Request to the HLR the customer location HLR Mobility: the call is initiated

29 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 28 HPLMN VPLMN MAP ISUP International roaming interconnection CAMEL INAP 2G GSM General Roaming Scenarios

30 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 29 2G to 3G Evolutions (2)

31 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 30 2G to 3G Evolutions (3)

32 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 31 2,5G : GPRS Key User features The General Packet Radio Service (GPRS) is a new nonvoice value added service that allows information to be sent and received across a mobile telephone network. SPEED: Theoretical maximum speeds of up to kbps IMMEDIACY: GPRS facilitates instant connections whereby information can be sent or received immediately as the need arises, subject to radio coverage. This is why GPRS users are sometimes referred to be as being "always connected". NEW APPLICATIONS, BETTER APPLICATIONS: GPRS facilitates several new data-oriented applications SERVICE ACCESS: To use GPRS, users specifically need: a mobile phone or terminal that supports GPRS a subscription to a mobile telephone network that supports GPRS

33 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 32 2,5G : GPRS Key Network features PACKET SWITCHING GPRS involves overlaying a packet based air interface on the existing circuit switched GSM network. This gives the user an option to use a packet-based data service. SPECTRUM EFFICIENCY Packet switching means that GPRS radio resources are used only when users are actually sending or receiving data. INTERNET AWARE GPRS fully enables Mobile Internet functionality by allowing interworking between the existing Internet and the new GPRS network.. SUPPORTS TDMA AND GSM GPRS is not only a service designed to be deployed on the GSM digital mobile phone standard. The IS-136 Time Division Multiple Access (TDMA) standard, popular in North and South America, will also support GPRS.

34 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 33 2,5G : GPRS Architecture BTS BSC MSC/VLR SGSN HLR GGSN Mobile backbone network Notebook+GPRS Mobile External IP network External X25 network Serving GPRS support node: - packet routing, mobilty management, - authentication, ciphering Gateway GPRS support node GGSN = Gateway GPRS Support Node SGSN = Service GPRS Support Node GGSN = Gateway GPRS Support Node SGSN = Service GPRS Support Node IP Terminal

35 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 34 2,5G: GSM – GPRS Interconnection

36 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 35 3G: What is UMTS ? UMTS stands for Universal Mobile Telecommunications System UMTS is a part of the International Telecommunications Unions IMT-2000 vision of a global family of third-generation (3G) mobile communications systems UMTS will play a key role in creating the future mass market for high-quality wireless multimedia communications that will approach 2 billion users worldwide by the year 2010

37 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 36 3G: Why UMTS ? UMTS will enable delivering high-value broadband information, commerce and entertainment services to mobile users via fixed, wireless and satellite networks UMTS will speed convergence between telecommunications, IT, media and content industries to deliver new services and create fresh revenue-generating opportunities UMTS will deliver low-cost, high-capacity mobile communications offering data rates up to 2Mbit/sec with global roaming and other advanced capabilities

38 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 37 3G: UMTS Architecture

39 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 38 3G: GSM – GPRS – UMTS Interconnection

40 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 39 3G : UMTS Cells

41 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 40 3G: New mobile terminals

42 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 41 The (US) CDMA revolution Traditionally radio communication systems have separated users by either frequency channels, time slots, or both. More recently several hybrid FDMA-TDMA digital systems have been developed, ostensibly to enhance service quality and capacity. In all these systems, each user is assigned a particular time-frequency slot. CDMA offers an answer to the capacity problem. Instead of partitioning either spectrum or time into disjoint "slots" each user is assigned a different instance of the noise carrier. The great attraction of CDMA technology from the beginning has been the promise of extraordinary capacity increase over narrowband multiple access wireless technologies

43 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 42 CDMA vs. GSM (1) For several years, the world's two main methods -- Code-Division Multiple Access (CDMA) and GSM have divided the wireless world into opposing camps. CDMA: popular in US, more than 80M users. Advantages of CDMA include: Increased cellular communications security. Simultaneous conversations. Increased efficiency, meaning that the carrier can serve more subscribers. Smaller phones. Low power requirements and little cell-to-cell coordination Extended reach - beneficial to rural users situated far from cells. Disadvantages of CDMA include: CDMA is relatively new, and the network is not as mature as GSM. CDMA cannot offer international roaming, a large GSM advantage.

44 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 43 CDMA vs. GSM (2) Advantages of GSM: International roaming permits subscribers to use one phone throughout Western Europe. GSM is mature, having started in the mid-80s. This maturity means a more stable network with robust features. CDMA is still building its network. The availability of Subscriber Identity Modules, which are « smart cards » that provide secure data encryption give GSM m-commerce advantages. GSM still holds the upper hand however. There's the numerical advantage for one thing: 456 million GSM users versus CDMA's 82 million But…. The proposed IMT-2000 standard for 3G globally is a worldwide CDMA-based standard (WCDMA)

45 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 44 Proximity Communication technologies IrDA Infrared technology for communicating between personnal organizers (PDAs) (ex: PALM Beamer) Up to 4Mb/s Coverage 1m max. Home-RF SOHO Applications (Small Office / Home Office) 2,4Ghz, SWAP Communication protocol Example of Swap protocoles: SWAPTEC Wireless LAN: Fully LAN & Bluetooth compatible

46 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 45 Bluetooth technology Bluetooth is a new technology standard using short-range radio links, intended to replace the cable(s) connecting portable and/or fixed electronic devices. Its key features are Security via encryption Voice and Data supported Supports up to 8 terminals (PicoNet) Coverage up to 50m (500m if amplifiers) Complement to GSM : GSM integrated Bluetooth chips available for 30-40$ Bluetooth was developed in 1998 and is at the moment backed by tech giants Intel, Motorola and Ericsson The unusual name comes from King Harold Bluetooth of Denmark who unified the Scandinavian countries of Norway and Denmark in the 10th Century

47 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 46 Bluetooth PicoNet Architecture

48 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 47 Bluetooth: Some applications

49 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 48 Mobile Location Techniques MAP protocol-based location PLMN – Cell – LAC accuracy Triangulation ( accuracy < 15m): TA: Time Advance TOA: Time of Arrival AOA: Angle of Arrival E-OTD: Enhanced Observed Time Difference Terminal-based location SDK= SIM Tool-Kit based Cell-ID detection GPS (accuracy up to 5m) To be integrated in mobile GSM terminals (+ 30$ expected) Connection to Proximity systems

50 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 49 CELL-ID Positioning System Location Server Y X X/Y Mobile Location Applications HPLMN /VPLMN Level: Detection of in ternational roamers at the international gateway (SCCP) MAP D LAC Level, VLR tracking: detection over a regional area (MSC/VLR) MAP Cell-ID or Cell-Of-Origin Level: detection within a cell (200m à 20km), Cell-ID++ BSSAP

51 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 50 GSM deployment in France FRANCE TELECOM: Historic OPERATOR Offers: ITINERIS since 1992, ORANGE since 2000 Overall french territory covered by the services End 2000: OLA: 15 Million subscribers RADIOCOM 2000: remaining subscribers SFR: 2nd. OPERATOR Offer: SFR GSM / SFR / Cegetel Services / VIZZAVI Portal End 2000: 10 Million subscribers BOUYGUES: Last Entrant OPERATOR Offer: DCS1800 End 2000: 6 Million subscribers The battle between operators is engaged: more services, more performance (GPRS), UMTS licensing

52 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 51 Introduction to mobile services To-day: Voice telephony (90%) Short Messaging Services (10%) WAP, and other Internet-based services (emerging)…. To-morrow (2005 & +): Voice telephony (50%) Push & Pull Short Messaging + evolutions EMS/MMS on mobiles Internet on Mobiles (WAP, I-Mode…) Location-based and Navigation services Advertizing Billing and accounting Games…. Music (MP3) and video…

53 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 52 Business corporate Consumer Alert InfoGuideManagement Network operator Typical «push and Pull Services

54 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 53 Areas of applications Business-to-Consumer Services « Push » Services: Welcome, Pub… Consumer-to-Business Services « Pull » Services: where is the nearest … ? Consumer-to-Consumer Services Chat, WIM (Wireless Instant Messaging) Services Business-to-Business Services Examples: fleet management Assistance Services Alerting, telemaintenance, e-vehicle applications Services provided to Telecom Operators Planification, accounting, quality of service, network resources optimization…

55 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 54 Speech Services Classic telephony services between MS users and fixed network users between MS users and MS users Services derived from telephony simple unified procedure for emergency call voice messaging (I.e voice mailbox) Supplementary services Subscriber identification and authentication Pre-paid facilities Short messaging

56 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 55 ……………………………………… ………………………… ………………………… …………… Location-based Services Manage your service personnel, vehicles and assets more efficient Find your friends (and yourself!) Enhanced Personal Security Applications Where is nearest…? And how do I get there?

57 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 56 SMS: Short Messaging Services Allow subscriber to send/receive simple messages (max. 160 characters length) Two services provided: Point-to-point SMS enabling a GSM user to send such a message to another GSM user (ex: paging message) cell broadcast SMS enabling short messages of a general nature to be broadcast at regular intervals to the users SMSs are generated via the SMS Centre Some SMS-C providers: CMG, Comverse, Logica Aldiscon, ADC NewNet, Nokia, Ericsson, Motorola, Sema Group. IP SMS Messaging Server

58 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 57 SMS key functions SMS Advantages « Store and Forward »: messages are registerd even if the destination is not on on-line SMS messages are handled by the SMS-C and not by network switching SMS messges are transmitted without establishment of voice trunks (SS7-based messaging) SMS messges are secured: receiption acknowledge (SS7 procedure) SMS Disadvantages Limited message length ( 140 octets remaining, excluding MAP signaling part) Fixed message structure Signaling channels performance is limited.

59 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 58 Next Generation Messaging (1): SMS EMS EMS = Enhanced Messaging Service Generation of combined melodies, sounds, images, animations, modified & formatted texts… Images: 3 formats, black and white Sounds: 10 predefined sounds SMSs aggregation As for SMS, based on SS7 and managed by the SMS-Centres 2G application, but needs « EMS-like » terminals Available early in 2001, as an evolution of Nokias « Picture Messaging »

60 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 59 Next Generation Messaging (2): SMS MMS MMS = Multimedia Messaging Service Generation of messages combining text, sound & images (Power-Point like), photos & videos. To be standardized by 3G Study Groups, will really start with GPRS and become popular with UMTS MMS will use dedicated channels (voice trunks), based on WAP Available in 2003 – 2004 ? (Ericsson et Nokia have started to launch products in 2001) The SMS MMS revolution will be like the transition from DOS Windows

61 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 60 Some « Flash » statistics !!! (August 2001) More than 50 Billion SMSs exchanged worldwide durint Q ! 9 Billion messages per month in 2000, more than 6 billion in Europe… 15 Billion messages only in december 2000 Approx. 1O Million SMS-s per day in France ( +42%) 420 million mobile handsets sold worldwide in year 2000 … This progression is planned to go on until 2005 ….

62 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 61 WAP + = Mobile Telephony Internet WAP Services: Internet / Mobile convergence WAP = Wireless Application Protocol WAP is based on Client/Server architectures

63 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 62 What is WAP ? The wireless industry came up with the idea of WAP. The point of this standard was to show internet contents on wireless clients, like mobile phones. WAP stands for Wireless Application Protocol WAP is an application communication protocol WAP is used to access services and information WAP is inherited from Internet standards WAP is for handheld devices such as mobile phones WAP is a protocol designed for micro browsers WAP enables the creating of web applications for mobile devices. WAP uses the mark-up language WML (not HTML) WML is defined as an XML 1.0 application

64 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 63 WAP Architecture HTTP Server WAP Server WAP Gateway WAP Terminal INTERNET The architecture is based on the Internet model: - the wireless WAP terminal contains a microbrowser, - content and applications are hosted on Web (HTTP/WAP)servers.

65 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 64 WAP Technology WAP implementations: WAP over GSM, WAP over GPRS, WAP on Handheld terminals (Palm, etc…), WAP-on-a-SIM (new services on old phones…) Web Server Web Server Internet or other IP network Mobile Network WAP proxy WAP proxy WML embedded in HTML - (JAVA) WML over WAP

66 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 65 WAP pre-requisite: « Mark-Up » Languages Definition: Mark-Up Languages are used on the web to isolate the display style from the content of a document Types: HTML = Hypertext mark-up language (controls the formatting of a document), written in JavaScript XML = Extensible mark-up language (marks sections of the data as objects that can be managed by associated databases) HDML = Handheld device mark-up language (proprietary technique) WML = Wireless mark-up language (XML adapted for WAP technology and mobile handsets), written in WMLScript.

67 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 66 The future of WAP Le WAP is to-day in competition with the japanese standard I-MODE (more than 24 Million subscribers) WAP will survive, assuming that: GPRS deployed (enhanced bitrates, client-server mode) Enhancement of handsets ergonomy Development of combined SMS – WAP applications To-day: Wait And Pay … … To-morrow: Win And Play

68 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 67 2G-3G Plannings

69 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 68 PrOceSS7 Mobile applications PrOceSS7 takes advantage of SS7 data richness to develop performance and Customer Traffic Efficiency applications: Traffic investigation & expertise (related to HLR/VLR exchanges, IN services, Call failures Roaming analysis: mobility and traffic quality SMS management Interconnection traffic analysis (mobile – fixed) BSS expertise SS7 protocols analyzed are: ISUP, INAP, MAP, BSSAP, etc… Data processing Workstations Alarm Workstations Maintenance Web Browser Alarm Server Lan - Wan Real Time Data Base SS7 Probe Off Line Data Base Open Applications SNMP/Q3 SS7 Network

70 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 69 VAS & SMS applications Value Added Services (VAS) for mobile communications are based on data capture over signaling links: Mobile subscriber authentication Mobile localisation (Cell-ID, VLR tracking,…) Mobile presence (WIM) Mobile subscriber accounting Wireless roaming traffic & QoS SMS/EMS handling Significant applications: SMS-Welcome, SMS-Bon Voyage, SMS-Advertizing,… SS7 protocols concerned: MAP, BSSAP … HLR VLR Statistics SMS C BSCMSC SCCP Gateway Data Collection System VAS Platform Process System Detect roamers

71 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 70 ISCOM deployment: Public transport Information via mobile EFA Server Photo Server Server SMS Server INTERNET Client Interface Sub-Layer SMS Broker BrokerPhoto Broker HTTP Server HTTP Interface SMTP/POP3 Interface ODBC Interface Media Conversion Sub-Layer EFA Broker PDF Formatting HTMLXML PDFWBMP XMLHTML / WML / PDF / SMS / VoiceXML HTTP Interface XML Encoder WBMP Encoder WEB ClientWAP ClientVocal Client HTML / PDFWML / WBMPVoiceXML DATA PROCESSING LAYER CLIENT ACCESS LAYER Value Added Services, For itineraries calculation, combining data, maps and photos to be displayed On the Web On GSM phones (SMS only) On WAP phones On PDAS EEC/DGXIII/IST R&D Project (2000- end 2002)

72 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 71 TEMIC deployment: Cooperative Alerting Services via mobile Value Added Services for emergency applications connecting selected user profiles to multimedia data On the Web On GSM/GPRS phones (SMS/EMS) On WAP phones On 3G phones (UMTS) On PDAS On SWAP terminals RNRT R&D Project (mid mid 2003) Réseau Mobile Poste de maintenanc e Poste dista nt swap Boucle Locale Radio ( Wireless-LAN) Réseau daffinité distant (entreprise de maintenance) swap Réseau daffinité local (sur site) Serveur Local Serveur distant Passerelle Internet Réseaux stratégiques Passerelle Internet Réseaux stratégiques Internet swap Générateur de SMS / portail WAP Site à maintenir

73 28/02/2014 Abderrahim Benslimane: Réseaux Mobiles ( GSM, 2G 3G) 72 Merci pour votre attention !


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