Presentation on theme: "IEEE MEDIA INDEPENDENT HANDOVER DCN:"— Presentation transcript:
1 IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-07-0360-00-0000 Title: IEEE – DVB IntegrationDate Submitted: November, 2007Presented at IEEE session #23 in AtlantaAuthors or Source(s):Burak Simsek (Fraunhofer Institute)Jens Mödeker (Fraunhofer Institute)Teodor Buburuzan (Technical University of Braunschweig)Michael Grigat (Deutsche Telekom)Patrick Stupar (NEC)Peter Pogrzeba (Deutsche Telekom)Michelle Wetterwald (Eurecom)Andreas Sieber (IRT)Abstract: This presentation recommends an extension to the IEEE standard for including DVB technologies.
2 IEEE 802.21 presentation release statements This document has been prepared to assist the IEEE Working Group. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEEThe contributor is familiar with IEEE patent policy, as stated in Section 6 of the IEEE-SA Standards Board bylaws < and in Understanding Patent Issues During IEEE Standards DevelopmentIEEE presentation release statementsThis document has been prepared to assist the IEEE Working Group. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein.The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEEThe contributor is familiar with IEEE patent policy, as outlined in Section 6.3 of the IEEE-SA Standards Board Operations Manual < and in Understanding Patent Issues During IEEE Standards Development
3 Outline DVB Summary DVB-H Survey Results on DVB-H Hybrid Networks Why integrate DVB into IEEEHow to IntegrateConclusion
4 Digital Video Broadcasting DVB Initiated in 1991 for digital TVMore than 260 broadcasters, manufacturers, network operators in over 35 countriesCurrently more than 150 million DVB receivers are in useTraditional broadcasting (TV Channels) over different media typesDVB-C (able)DVB-S (atellite)DVB-T (errestrial)DVB-H is based on DVB-T standard but designed for small, portable devices like Mobile Phones.Optimized reception in mobile environments through new modulation and error correction mechanisms (better signal quality)By the use of time-slices is perfect suited for small, battery-powered devices
5 DVB-H 1- Unlimited number of receivers 2- Up to 40 km coverage DVB Transmitter4- Supported by over 60 manufacturers3- Around 40 channels with 300kbps
6 DVB-H Mobile TV with DVB-H has been tested in more than 40 countries 7 countries launched commercial servicesFinland, Italy, India, Albania, Philippines, Vietnam, NigeriaOther countries are planning initial services for 2008 (Germany, Russia, Spain, USA, UK…)Example United Kingdom (Arqiva - Oxford) :85% satisfied customers, 72% willing to pay for the service within 12 months37% of usage while commuting to and from workAn average of 24 minutes of view per session / 4 hours per weekTraditional TV programs more attractive than made-for-mobile contentCustomized and interactive services are demanded such as video Blogging
7 IP Datacast DVB was initially designed for Digital TV reception One-to-many unidirectional connectionsNo Interactivity, passive TV watchersMPEG2 streamsNo IP, no other serviceIP DatacastDeveloped by the DVB CBMS (Convergence of Broadcast and Mobile Services ) Working GroupEnables traditional IP based services over DVBDefines service enabler for broadcast servicesPurchase, Service Description, schedule and acquisition…Supports the integration of cellular networks as service enablersReturn Channel
8 Hybrid Networks Using DVB-H DVB NetworkProviderIP Datacast Service Provider3GPP/IEEE Network ProviderMulticast / Broadcast ServicesReturn ChannelIEEE/3GPP
10 The missing partIn the following years we will dominantly witness services using hybrid networksDevices capable of UMTS, DVB-H, WLAN… are already thereFor a common user interface an interactive mobile TV standard with a media independent Java API (JSR 272) is also thereOpen Mobile Alliance (OMA) Mobile Broadcast Services Enabler Suite (BCAST)Supports DVB-H, 3GPP MBMS, 3GPP2 and mobile unicast streaming systems at the application layerInteraction with other technologies at the network and data link layer is missing and neededIEEE is currently the best candidate to fill in this gap!Different than other networks: Hybrid Networks fundamentally need cooperation among existing technologies hence need IEEE more than others
11 DVB and Handover Intra-technology handover for DVB is already defined Inter-technology handover reasons given in the current draft are also true for DVB deploymentsQoS concerns, service availability, mobility, price, power management, network selection…Some handover scenarios:Especially in suburban and intra-urban areas handover between DVB and UMTS/WIMAX is neededAutomobiles equipped with DVB - UMTS- WIMAX already being tested by some manufacturersPrice issues might foster use of WLAN when availableIn case of service unavailability on a specific DVB network choose UMTS or WIMAX…
12 How to Integrate IEEE 802.21 assumes bidirectional connection Information can be exchanged between peer MIHF entitiesThis is not directly possible for DVBNeeds an uplink channel for bidirectional connectionCommunication with own MIHF is possible in all casesIntegrate unidirectional DVB
13 MIH Reference Model for DVB-H Has two parts:MIH related information from DVB transmitterMIH related information from DVB interfaceLayer 3 or higher Mobility Protocol (L3MP), HandoverPolicy, Transport, ApplicationsMIH-SAPMedia Independent Handover Function (MIHF)MIH Event ServiceMIH Command ServiceMIH Information ServiceMIH-DVB-SAPProgram Specific Information/Service Information (PSI/SI)MPEG2DVB Device DriverMPEHigher layerElectronic Service Guide ESG
14 Integration of DVB MIH Function MIH Function 21-07-0360-00-0000 DVB NetworkMIH FunctionMIHUserMIH FunctionMIH FunctionDVBInterface
15 Integration approach A study group should work on definitions of MIIS information elements for DVBMIES and MICS parameter mapping/definitions for DVBdefinition of MICS, MIES, MIIS interfaces between drivers of DVB and IEEErecommendations for DVB driver implementations
16 Next Steps Further discussions within IEEE and DVB Formation of a study group (feasibility analysis)Analysis and evaluation of compatibilityUnidirectional ConnectionsDefinition of parametersDefinition of interfaces to MIES, MICS and MIISPreparation of implementation recommendationsConsider integrating bidirectional DVB-HDefinition of requirementsDefinition of bidirectionality related parametersDefinition of new primitives and protocols if neededImplementation recommendations
17 Relevant Studies and References DAIDALOSIlka Miloucheva, Jens Moedeker, Dirk Hetzer, "Handover and resource management of mobile nodes with unidirectional links", IEEE ICWMC, Guadeloupe, 2007Kornfeld, M.; May, G. “DVB-H and IP Datacast - Broadcast to Handheld Devices” IEEE Transactions on Broadcasting, Special Issue on "Mobile Multimedia Broadcasting", vol.53, no.1, S , Invited PaperBuburuzan, T.; May, G.; Melia, T.; Mödeker, J.; Wetterwald, M.“Integration of Broadcast Technologies with Heterogeneous Networks - An IEEE Centric Approach” IEEE International Conference on Consumer Electronics (ICCE) 2007, Las Vegas,Teodor Buburuzan, Nikos Koutsouris, Krzysztof Loziak , “An end-to-end QoS architecture for ensuring the reliable delivery of broadband applications” IEEE International Conference on Consumer Electronics (ICCE) 2008, Las Vegas,Pedro A.Aranda Gutierrez, Ilka Miloucheva, and Sathya Rao, “Automated QoS policy adaptation for heterogeneous access network environments” In Proceedings of The Second International Conference on Systems and Networks Communications (ICSNC 2007), Cap Esterel, French Riviera, France, 2007S. Sargento, T. Melia , A. Banchs, I. Soto, J. Moedeker, L. Marchetti, "Mobility through Heterogeneous Networks in a 4G Environment", WWRF 17, Heidelberg, 2006The Economics of Mobile Broadcast TV
18 ConclusionHybrid Broadcast/Mobile Networks composed of 3GPP and IEEE technologies have significant financial advantages for all mobile network operatorsInitial mobile TV services using hybrid networks in different countries have shown that customer acceptance is very highWe will witness more and more hybrid networks in the following yearsHybrid Networks need more cooperation among different technologies than vertical handovers doIEEE is the best candidate to provide with the required cooperationAn amendment of IEEE supporting vertical handovers with DVB will have high impact on offered services, hence on the market value of hybrid networks!
20 MIHIn the case of a system with multiple network interfaces of arbitrary type, the MIH Users may use the Event Service, Command Service and Information Service provided by MIHF to manage, determine, and control the state of the underlying interfaces. These services provided by MIHF help the MIH Users in maintaining service continuity, service adaptation to varying quality of service, battery life conservation, network discovery, and link selection.
21 MIHHandover: the process by which a mobile node obtains facilities and preserves traffic flows upon occurrence of a link switch event.The scope of the IEEE (Media Independent Handover) standard is to develop a standard that provides link layer intelligence and other related network information to upper layers to optimize handovers between heterogeneous networks.The purpose of the IEEE standard is to enhance the user experience of mobile devices by supporting handovers between heterogeneous networks. The standard addresses the support of handovers for both mobile and stationary users.
22 MIHFor the stationary user, handovers may become imminent when the surrounding environment changes, making one network more attractive than another. Another possibility is that the user may choose an application which requires a handover to a higher data rate channel, for example during download of a large data file. In all cases service continuity should be maximized during the handover.Various applications have different tolerance characteristic for delay and data loss. Application aware handover decisions may be enabled by making a provision for such characteristics.Network discovery is essential to provide new possibilities for network selection to suit the need of the applications and mobility. The IEEE standard defines the network information and specifies the means by which such information may be obtained for supported access networks and made available to the MIH Users. The network information could include information about link type, link identifier, link availability, link quality, etc.
25 IEEE 802.21 Relevant information Resources : PSI/SI and ESG DVB-HPSI/SIProgram Specific Information (PSI) / Service Information (SI)ESGElectronic Service Guide (ESG)ESGapplicationServiceApplication
26 PSI/SIPeriodically distributed tables for network and service specific informationPAT: Program association tablePMT: Program Map TableNIT: Network Information TableINT: IP/MAC Notification TableCAT: Conditional Access TableSDT: Service Description Table
27 ESG XML Fragment Describe IPDC Service (IPTV, ring tones…) Service Access Related Information (media, session description, content type, …)List of Services offered as a bundleService BundlePurchasePurchaseChannelServiceSchedule EventContentAcquisition0..n0..11Broadcast Time
28 DVB-H Development in Nord America MDA : Mobile DTV Alliancepromote the adoption of Mobile TV technology via DVB-HDisney, HiWire, Intel, Microsoft, Modeo, Motorola, Nokia and Texas Instrumentscurrently two broadcasters in North America (Modeo and HiWire) building out mobile TV broadcast networks based on DVB-H.MediaFLO the only serious competitor
29 Survey Results in USA (DVB-H) 99% of users were satisfied or very satisfied (64%) with the picture clarity.87% of users were satisfied or very satisfied (37%) with service availability98% of users like or very much like (75%) having live TV and radio available on their cell phoneAverage viewing sessions lasted minutes with most viewing on weekdays;Average number of minutes viewed per day averaged around 15 minutes.52% of users said they watched more TV overall as a result of having the service available to them.
30 Competition for Broadcast StandardFrequency RangeBandwidthDeploymentDVB-HMHz8MHzEurope, Nord America, South Asia, AustraliaDVB-SHGHzNot yet deployedT-DMBMHz1.54MHzSouth Korea, part of EuropeS-DMBGHz25MHzSouth KoreaFLO719MHzUSISDB-TMHz429kHzJapanSTiMi2.6GHzChina
32 Advantages of Hybrid Networks DVB-H network operators profit from:Virtual bidirectional channelAAA supportEnabling more services as a result of interactivityCustomized advertisements, Mobile TV, live polls, purchase banners, interactive games, chat services, webcasting, file transfers…3GPP/3GPP2, IEEE network operators profit from:Market penetration with little investmentDVB-H supported by the EU commission as the mobile TV standard20 billion € expected revenue in 2011 (2 million subscribers in 2006, 6 million in 2007)Use of existing broadcasting brandsNew services as with DVB-HMulticasting with much better quality, to a larger set of customers with one transmitter
33 DVB-H service of 3 Italia since 2006 Currently more than 1 million customerssource: bmcoforum
34 Step 2: DVB with virtual bidirectional link No changes needed in the standard as long as L3 is used for interaction with peer MIHF entitiesHandover with DVB in virtual bidirectional case includeshandover of the downlink channelhandover of the uplink channel (other technologies)Task group should define required interfaces in order to:determine the need for virtual bidirectional channelmanage the choice of the uplink channel for DVBbuild virtual bidirectional channel for interactive servicesmanage handovers of the uplink channel (stable virtual bidirectional link)manage changes from virtual bidirectional to bidirectional or vice versa
35 Step 2: Integration of bidirectional DVB MIH FunctionHigher LayerTrasportMIHUserDVB NetworkMIH FunctionMIH FunctionDVBInterfaceTransport of MIH protocol for DVB is over L3MIHF protocol at link layer would require changes in the standardMIHF must be aware of unidirectional interfacesIf no other technology with L3 connectivity exists, it is not possible to send MIH information, although MIH relevant information can still be received over DVB Network