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Topics  Introduction  Technologies in FMC  FMC with IP  FMC with IMS  FMC with SIP  FMC with UMA.

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Presentation on theme: "Topics  Introduction  Technologies in FMC  FMC with IP  FMC with IMS  FMC with SIP  FMC with UMA."— Presentation transcript:

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2 Topics  Introduction  Technologies in FMC  FMC with IP  FMC with IMS  FMC with SIP  FMC with UMA

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4 Global Messaging Market Growing by 1 Billion Users from 2006 to 2010 Wireless Subscriber Growth Next Generation Messaging Focus: Messaging Trends

5 Mobile Applications Have Come Long Way But This Is Just The Beginning…. ?

6 Pieces of the Puzzle…. Wall Garden – Is it all about control MVNO’s making changes? Manageability Affordable data plans Slow Rollouts before.. WiFi is everywhere! 3G is finally here! WiMax is coming… Originally Voice and SMS New handset paradigm Larger Screens Keyboards Powerful Graphics Cameras

7 Pieces of the Puzzle…. Continuity In Real Time Transfer … Home PC to Mobile Device Mobile Device to PC Home to 3G 3G to Enterprise

8 So the Puzzle is coming together… 3G Networks Carrier Rollout Smartphone Adoption Content Providers Its no longer just a Phone! Lifestyle-enabled communicator and information device. VideoInstant Messaging PPT Social Networking LBS AdvertisingTraffic Pre-IMS/IMS Cores

9 Presence Send an IM Send/Share Files Make a Call Send an Send an SMS Conference Call Start a Video Call Where are you? Presence-enabled Applications User Controlled Community Groups Unified User Interface and Feature Set Consumer and Enterprise Linking Communities with Unified Messaging Carrier Enterprise Social Traditional

10 MotherStudent Traffic Restaurants . Chat Games Music Video. Document Sharing Traffic Reports Flight Information. Executive Now that technology is arriving.. It’s all about user experience! Challenges Multiple Devices and Different Users Multiple Applications –(Voice, VCC, IM, SMS ++) – How to unify Multiple Access Technologies –(Wi-Fi, Wi-Max, CDMA, GSM, UMTS, DORA)

11 Mobile Messaging Voice (VoIP) and VCC Mobile Video Applications Streaming Content Location Services Interactive Gaming Web Browsing ABI Research, 2006 Mobilize traditional PC-based applications – FMC. Mobile Applications

12 Cellular Network’s  Wide coverage  Large number of users  Low speeds (in kbps)  High deployment costs

13 Wired Networks  High speeds  High Bandwidth  Low coverage  Inexpensive to set up

14 Fixed Mobile Convergence WIRELINE/ FIXED WIRELESS/ MOBILE PRE-IMS UMA IMS ITU-T Q 1761 Q FMC-REQ Q FMC-PAU Q FMC-IMS 3GPP2 ETSI Other organizations involved: OMA, CableLabs, UMAC, FMCA, …

15 NETWORK CONVERGENCE IP based convergence backbone WiFi WiMAX d In-building, Hotspots PicoCell MicroCell MacroCell Urban, Suburban Suburban, Rural WiMAX e EDGE / UMTS / HSDPA Service “Umbrella”

16 FMC Today Focus on Voice (VCC) and SMS - now Messaging Mobility and Bandwidth are driving forces for FMC Windows Mobile (InROM ISV) Symbian S60 and UIQ CDMA / BREW (Kyocera Wi-Fi) Bandwidth and network are limiting factors Handsets have been an issue Wi-Fi used in place of 3G Applications are bandwidth and handset limited

17 Fixed Mobile Convergence  Way of connecting wireless to wireline infrastructure  The ultimate goal of convergence is to deliver seamless experience across multiple locations, multiple devices and multiple types of use (The Yankee group, Nov 2004)

18 Features of FMC  Multi N/w Deployment (Reference:http://www.baypackets.com/fixed_mobile_convergence.html)

19 Features of FMC  Unified Service of fixed and mobile n/w’s with one phone, one number and one bill  Seamless roaming between cellular, Wi-Fi, WiMAX and what ever wireless technology comes next.  More reliable mobile service with wider coverage at lower cost. Closer integration between public and enterprise phone networks.  Friendly user interfaces that makes it easy to make and manage calls (the user has a choice to select the type of network depending upon cost and convenience).

20 Features of FMC Friendly user interface that makes it easy to make and manage calls (the user has a choice of N/w depending upon chose and convenience).

21 Motivator FMC Fixed Operator (with no Mobile assets) Perspective –Reverse the loss of voice-service minutes and revenue to mobile providers (MNVOs) –Reduce CAPEX and OPEX (harmonized network) –Offer new value-added Services –Reduce Churn, attract new customers, market “Brand” Fixed Operator (with Mobile assets) Perspective –Reduce CAPEX and OPEX (harmonized network) –Offer new value-added Services -increase revenue Mobile Operator Perspective –Reduce CAPEX and OPEX (harmonized network) –Offer new value-added Services` –Improve coverage (indoor /outdoor –Wi-Fi) Cable Operator Perspective –Can offer a quadruple bundling of VoIP, video, mobility and broadband access services Source: 1.Adrian Scrase (ETSI), Mobile Fixed Convergence Progress with the Joint 3GPP and ETSI TISPAN Initiative, 3G World Congress, November Girish, Muckai (ARRIS), “Fixed Mobile Convergence for Cable Operators”, June 2006

22 Objective FMC Seamless services from the user perspective across the heterogeneous fixed (i.e., PSTN, ISDN, PSDN, WAN/LAN/CATV, etc) and mobile networks should be guaranteed in FMC. Seamless service provisioning from the operator perspective across the heterogeneous fixed (i.e., PSTN, ISDN, PSDN, WAN/LAN/CATV, etc) and mobile networks should be guaranteed in FMC. Generalized Mobility supporting should be supported in FMC (i.e., terminal mobility, user mobility and session mobility). For a given scenario, different level mobility may be needed. Ubiquity of service availability. The end-users can enjoy virtually any application, from any location, on any device. All the services/application can be used by an end-user through any kind of access technology if that service has been subscribed and is supported by his/her terminal device. The service/application availability is only dependent on the user's subscription and capability of the terminals. Supporting multiple user identities and authentication/authorization mechanisms. Source: Draft of ITU-T FMC-REQ “FMC General Requirements“

23 So why don’t I give all my employees a mobile phone and be done with it? Cost - mobile minutes are more expensive than landline minutes Stranded Assets – I’ve invested in IP PBXs and IP desk phones and do not want those investments to go to waste Lack of Integration - My deskbound employees don’t need a mobile phone, but I don’t want two islands of users (desk and mobile) Fixed Mobile Convergence – the seamless integration of mobility into business’s fixed infrastructure - addresses each of these concerns Fixed Mobile Convergence – the seamless integration of mobility into business’s fixed infrastructure - addresses each of these concerns

24 FMC addresses “going mobile” Cost - mobile minutes are more expensive than landline minutes Stranded Assets – I’ve invested in IP PBXs and IP desk phones and do not want those investments to go to waste Lack of Integration - My deskbound employees don’t need a mobile phone, but I don’t want two islands of users A key component of FMC is cost efficiency – many implementations can keep calls “on-net”, saving mobile minutes A key component of FMC is cost efficiency – many implementations can keep calls “on-net”, saving mobile minutes FMC is designed to work in tandem with existing infrastructure, in many cases making it more useful FMC is designed to work in tandem with existing infrastructure, in many cases making it more useful The beauty of FMC is that deskbound, semi-mobile, and mobile employees share the same feature capability and environment The beauty of FMC is that deskbound, semi-mobile, and mobile employees share the same feature capability and environment

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26 Levels of FMC  Network Convergence: Fixed/mobile networks physically share transportation infrastructure. (access N/w & core N/w)  Commercial Convergence: Resources of Fixed/mobile networks are pooled.  Service Convergence: Seamless delivery of Fixed/mobile telephony and supporting services is achieved. (voice, IM, SMS)  Terminal Convergence:

27 FMC + Access Technologies:  Digital subscriber line (DSL): 24 Mbps  downstream 3 Mbps  upstream. converged multimedia applications  Wireless local area network (WLAN): low-cost, high-bandwidth A user with WLAN access could be connected through appropriate multi-access (WLAN and cellular) terminals to the Internet, to the PSTN, or to mobile network(s).

28 FMC + Access Technologies  Wireless Interoperability for Microwave Access (WiMAX) : Broadband wireless access (BWA) GHz frequency band range (as per IEEE specification in 2004).  Unlicensed Mobile Access (UMA):roaming between a cellular network and fixed IP-based wireless networks.

29 FMC in Some Places Include  Multi Media Messaging Service (MMS)  WLAN with CDMA service  Integrated Portal Service

30 Multi Media Messaging Service (MMS) MMS allows mobile phone users send and receive messages with formatted text graphics, photographs and audio –video clips. With the integration of digital camera and mobile phone, MMS usage increases.

31 WLAN with CDMA In a zone where an access point is established, subscribes use WLAN service. When the subscribers are out of zone, they use CDMA. High speed, low price from WLAN Wide coverage from CDMA

32 Integrated Portal Service Integration of mobile and Web-based portals. It provides aggregated content and services through a mobile Internet network.

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34 Current Typical Solutions for FMC  IP-PBX or soft-switch with mobile n/w interface  IMS based coverage solution  UMA Dual Mode solution

35 What is IP-PBX??? The Internet Protocol Private Branch eXchange (IP PBX) is telephone switching equipment that resides in a private business instead of the telephone company. An IP PBX delivers employees dial-tone, the ability to conference, transfer, and dial other employees by extension number as well as many other features. (Virtual Private Network Services..) Voice transmissions are sent via data packets over a data network instead of the traditional phone network Least Routing of cellular. 3G ???(not applicable to 3G)…

36 IP Phone IPPBX WLAN AP Dual Mode Device (IP-PBX client) Converged Fixed-Mobile solution Fixed N/W Mobile N/W

37 Reference: FixedMobileConvergence.pdf

38 IP Enabled PBX functions on one device while on campus utilizing the WLA|N ( b/g) infrastructure. Reduces on-campus and inter-campus calls. Only with in campus 3G????(not applicable because IP-PBX does not support) (companies like Nokia, Avaya, Motorola use this technology).

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40 FMC using SIP FMC solutions aimed at wireline operators take an opposite approach from those aimed at wireless providers Wireline-oriented FMC solutions are based on SIP standards SIP approach has benefits since SIP has already entered the emerging wireless network (via 3GPP) and is inherently compatible with IMS architecture

41 INTRODUCTION to SIP H.323 protocol Session initiation protocol SIP considered to be a simpler, more flexible alternative to H.323 with the ability to support advanced services.

42 What is SIP  SIP or Session Initiation Protocol is an application-level control protocol for setting up, changing and terminating multimedia sessions between participants on IP data networks.  SIP is a text-based protocol, similar to HTTP and SMTP, for initiating interactive communication sessions between users. Such sessions include voice, video, chat, interactive games, and virtual reality.

43 SIP Architecture

44 SIP Entities User Agent User Agent Client User Agent Server Proxy Server Redirect Server Registrar Server

45 How SIP works Long distance calls through the traditional telephony Telephony system works via a cog and wheel setup SIP refers to a protocol that allows computers to talk to each other without going through a central station. SIP is typically offered in two formats, computer based and hardware based

46 SIP based telephony

47 SIP Session Establishment and Termination

48 Services that SIP can provide Call Hold Consultation Hold Unattended Transfer Call forward on Busy/NoAnswer/Unconditiona  3-Way Conference Find-Me Incoming/Outgoing Call Screening Call Waiting

49 SIP structure

50 SIP based FMC solution

51 SIP in FMC FMC is likely to bring to reality the following scenarios hitherto considered impossible. –A cell phone user may start receiving calls on his SIP home phone when he enters his home, saving spectrum and charges for the ‘home roaming usage’. This kind of hand-off is both extremely non-intrusive and cost beneficial. –Enterprise subscribers may roam their mobile number into a business environment via one to many SIP devices. This may be offered by a service bureau as a managed service.

52 Contd… Enterprise subscribers may roam their mobile numbers in their enterprise network via one to several SIP devices. This further establishes that none of the existing infrastructure will be rendered a waste. Mobile subscribers may continue enjoying all enhanced services available on their home PLMN networks in any roaming network they are visiting and on their landline networks as well. Mobile subscribers may seamlessly roam between locations with calls transparently following them irrespective of whether they are in a cable zone or a public WiFi hot spot.

53 SIP in IMS The key technology behind IMS is the SIP protocol Advantages of SIP –Simple –Extensible –Flexible –Familiar

54 SIP in IMS

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56 Introduction to IMS IMS stands for IP Multimedia Subsystem IMS is a key enabler of Fixed-Mobile Convergence IMS is an architecture that merges the applications and capabilities of the Internet with both wireless and wire line telephony, and promotes fixed/mobile convergence. An IMS/SIP approach enables both voice and data applications to run over IP, rather than locking it into the mobile carriers' legacy networks.

57 Layered Approach Access Network –Transport ( Connectivity) layer Core Network –Control Layer –Service Layer

58 IMS Architecture Overview

59 Functional Architecture

60 Horizontal Integration of IMS

61 Advantages of Horizontal Integration Service Enablers and common functions can be reused for multiple operations Operations competence required is more generic Helps to provide interoperability and reaming and other such functions more economically to the consumer

62 Interoperability in IMS

63 Advantages over Existing Systems The core network is independent of a particular access technology ( GSM, WCDMA, CDMA and also WLAN) Integrated mobility for all network applications Easier migration of applications from fixed to mobile users Faster deployment of new services based on standardized architecture

64 Advantages over Existing Systems New applications such as presence information, videoconferencing, Push to talk over cellular (POC), multiparty gaming, community services and content sharing.presence informationvideoconferencingPush to talk over cellular Evolution to combinational services, for example by combining instant messaging and voiceinstant messaging User profiles are stored in a central location

65 Issues Related to IMS Benefits need to be further articulated in terms of actual savings. IMS is "operator friendly" which means that it provides the operator with comprehensive control of content at the expense of the consumer. IMS uses the 3GPP variant of SIP, which needs to interoperate with the IETF SIP. IMS is an optimization of the network, and investments for such optimization are questionable.

66 Substitution of Legacy System

67 CS vs PS

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69 What is UMA? Unlicensed Mobile Access  Unlicensed Mobile Access (UMA) technology provides access to GSM and GPRS mobile services over unlicensed spectrum technologies, including Bluetooth and  It establishes a standard for seamless hand-off and roaming between a cellular network and fixed IP-based wireless networks.

70 UMA UMA lets mobile operators deliver voice, data and IMS/SIP(IP Multi media Subsystem /Session Initiated Protocol) applications to mobile phones on Wi-Fi access network using dual-mode mobile handsets. In order to promote the widespread adoption of UMA technology, a number of leading companies within the wireless industry have jointly developed a set of open specifications.

71 UMA Protocols UMA is on top of it at the transport layer (Layer 4) and has its own set of control protocols.

72 UNC  The UMA specification is based around UNC. What is UNC??? A UMA Network Controller (UNC) acts as a virtual base station, providing handoff between cellular and Wi-Fi networks.

73 Cellular /UMA

74 How UMA Technology Works A mobile subscriber with a UMA-enabled, dual-mode handset moves within range of an unlicensed wireless network to which the handset is allowed to connect. Upon connecting, the handset contacts the UMA Network Controller (UNC) over the broadband IP access network to be authenticated and authorized to access GSM voice and GPRS data services via the unlicensed wireless network.

75 (Contd..) If approved, the subscriber’s current location information stored in the core network is updated, and from that point on all mobile voice and data traffic is routed to the handset via the Unlicensed Mobile Access Network (UMAN) rather than the cellular radio access network (RAN).

76 Roaming When a UMA-enabled subscriber moves outside the range of an unlicensed wireless network to which they are connected, the UNC and handset facilitate roaming back to the licensed outdoor network. This roaming process is completely transparent to the subscriber.

77 Handover  Handover in: The mobile station moves from macro network to a UMAN.  Handover out: The mobile station moves from UMAN to macro network.  Handover UMA: The mobile station moves with in a UMAN or from UMAN to UMAN.

78 Handoff Specifications  Subject to mode selection, UMA shall support seamless handover in and handover out,provided the following conditions are true:  The mobile station stays within the limits of service (pedestrian state of motion)  The mobile station remains during the time of handover within the coverage of both the networks.  UMA shall manage bandwidth during handover between macro network and UMAN.

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80 Security in UMA Different security mechanism operate at different levels: MS to AP – UMA does not mandate any security mechanism, but can coexist with those available, such WPA, WPA2, or WEP. MS to UNC – The UNC includes a security gateway that provides mutual authentication and encryption for the traffic across the WLAN and the broadband connection. MS to core mobile network – The encryption and authentication methods used by the MS when using the GERAN are also used to protect UMA connections. MS to application server – An additional end-to-end data application mechanism (for example, HTTPS) may be used if needed.

81 Advantages Availability & Pricing  UMA could be used to provide better in- building coverage for customers who don't get a good cellular signal in some areas, including basements.  It enables service providers to deliver voice at a lower cost when handsets are within range of an unlicensed wireless network.

82 Issues  If a customer doesn't have a wireless network already in the house, a wireless access point would be needed in addition to a broadband link.  The most expensive and technologically challenging component of UMA solution is the Wi-Fi and cellular handset, because of battery-life limitations, cost, and size.  UMA cannot guarantee the quality of a voice call or the throughput of a data connection and traffic prioritization with QoS can significantly improve performance, especially in a residential environment where traffic is likely to be less heavy than in the enterprise.

83 Pre-IMS Solution – UMA or Mobile/WLAN Convergence Implementations WLAN/GPRS “Handover” by Nokia WLAN/GSM VoIP terminal announced by Motorola NTT DoCoMo: FOMA – WiFi 1) BT “Fusion”: GSM – WiFi 1) France Telecom “Business Anywhere”: GPRS-WiFi 1) O2 Germany UMTS-WiFi 1) Korean KT & KTF “OnePhone”: CDMA – Bluetooth 2) Dual Phone, by Deutche Telekom’s T-Com 3) Sources: 1.Gianluca Zaffiro (Telecom Italia), Convergent Data and Voice Solutions - Data and Voice Solutions Evolution towards an integrated IP Architecture Evolution towards an integrated IP Architecture, 3G World Congress, November Dr. Hoon HAN Dr. Hoon HAN (KTF), Vision for Korea for Korea’s wireless/ICT Industry s wireless/ICT Industry - New opportunities and directions New opportunities and directions,3G World Congress, November International Herald Tribune, 5 September 2005

84 UMA Solution Components UMA profile in handset enabling roaming into unlicensed access network UMA “enabled”, plug and play access points. Supporting Bluetooth and WLAN. Standard BSC with minor adjustments to cater for capacity increase in cell handling Source: Landgren & Neuert, Ericsson Solution Presentation, September 22nd 2004

85 BSS BTS A/Gb GSM Macro cell Transmission Network BSC Core Network MSC/HLR/… Internet Solution pico cell IP Network DSL

86 BSS BTS A/Gb GSM Macro cell Transmission Network BSC Core Network MSC/HLR/… pico cell IP Network DSL Solution Overview

87 BSS BTS A/Gb GSM Macro cell Transmission Network BSC Core Network MSC/HLR/… pico cell IP Network DSL HBS A/Gb HBSC HBS Solution Overview

88 BSS BTS A/Gb GSM Macro cell Transmission Network BSC Core Network MSC/HLR/… pico cell IP Network DSL HBS A/Gb HBSC HBS Solution Overview

89 BSS BTS A/Gb GSM Macro cell Transmission Network BSC Core Network MSC/HLR/… pico cell IP Network DSL HBS A/Gb HBSC HBS Solution Overview


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