Summary of ITU-R WP 8F work towards IMT-Advanced and the vision for the future, including examples of applications
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1 Spectrum for IMT in WRC-07 Summary of ITU-R WP 8F work towards IMT-Advanced and the vision for the future, including examples of applications José M. Costa Senior Manager Wireless Access Standards Nortel Networks 1
2 MiB Alcatel-Lucent Ericsson Fujitsu Huawei Motorola NEC Nokia ZTE Siemens Samsung Qualcomm Panasonic Nortel 2
3 MiB Website 3
4 Vision for a global mobile society mib is inspired by the ITU vision for a global mobile society, where every person has mobile access and is connected wirelessly. Global spectrum availability is the key to realizing this vision. Spectrum for the global mobile society: what usage could be more valuable and more important? 4
5 Content The work of ITU-R WP 8F: motivation and vision Positioning of IMT-2000 and IMT-Advanced High bit-rates enable faster mobile access and higher capacity Existing bands will not be enough for IMT services after the year 2015 Key mib Messages for WRC-07 5
6 Generations of mobile wireless systems and other radio systems Broadband LMDS et al RLANs WMANs 3G/IMT-2000 (data) IMT-Advanced Cordless 2G (digital) 1G (analog) Year 6
7 Generations of mobile wireless systems and other radio systems ITU-R Recommendations: Broadband F.1499 F.1763 M.1450 F.1763 M.[8A/BWA] LMDS et al RLANs WMANs 3G/IMT-2000 (data) M.1457 IMT-Advanced M.1645 Cordless 2G M G (digital) M.1073 (analog) M.622 M Year 7
8 ITU-R WP 8F (IMT-2000): the terrestrial radio interfaces (Recommendation ITU-R M.1457) Full Name IMT-2000 CDMA direct spread IMT-2000 CDMA multi-carrier IMT-2000 CDMA TDD (time-code) IMT-2000 TDMA single-carrier IMT-2000 FDMA/TDMA (frequency-time) Common Names UTRA FDD WCDMA UMTS CDMA2000 1x and 3x CDMA2000 1xEV-DO CDMA2000 1xEV-DV UTRA TDD 3.84 Mchip/s high chip rate UTRA TDD 1.28 Mchip/s low chip rate (TD-SCDMA) UMTS UWC-136 EDGE DECT There is a proposal for a new IMT-2000 terrestrial radio interface: IP-OFDMA (Doc. 8F/1065) 8
9 Evolving Capabilities of IMT-2000 and Systems Beyond Goal: anytime, anywhere, anyone the deployment of IMT-2000 systems started in the year IMT-2000 original minimum requirements for radio technology evaluation: 144 kbit/s (for vehicular high speed), 384 kbit/s (for medium speed), and 2048 kbit/s (for indoor, low speed) Currently the IMT-2000 standard supports up to about 14 Mbit/s and further enhancements are being developed. The IMT-2000 radio technologies are expected to contribute and converge towards IMT-Advanced. Research targets for IMT-Advanced include: 100 Mbit/s for high mobility and 1 Gbit/s for low mobility, for deployment after
10 Future network of systems with a variety of access systems download channel Digital Broadcast Services and applications New Radio Interface Packet IP based Core Network Wireline xdsl Cellular 2nd gen. IMT-2000 WLAN type Short Range Connectivity other entities Reference: Recommendation ITU-R M
11 Activities and results to-date in ITU-R Rec. ITU-R M.1768 Report ITU-R M.2072 Report ITU-R M.2074 Future services/ Market analyses Spectrum estimation methodology Future technology assumptions Spectrum survey Spectrum calculations Tool Draft ITU-R Resolution Name: IMT-Advanced Candidate bands Report ITU-R M.2079 Spectrum requirements Report ITU-R M.2078 Proposal for WRC-07 Draft CPM text Spectrum sharing studies Ongoing in WP 8F Doc. 8F/ : Development of standards for IMT-Advanced Draft Resolution ITU-R [M.PRINCIPLES] (RA-07) 11
12 Framework for Development of IMT-2000 and systems beyond (IMT-Advanced) Mobility High Systems beyond IMT will encompass the capabilities of previous systems New Mobile Enhanced IMT Access IMT Enhancement Systems beyond IMT-2000 will encompass the capabilities of previous systems New capabilities of beyond of systems beyond IMT IMT-2000 Dashed line denotes that exact data rates with not yet determined Dashed line indicates that the exact data rates associated systems beyond IMT are not yet determined. Low KEY: KEY: Peak Useful Data Rate (Mb/s) denotes Denotes interconnection between between systems via systems networks, via which networks, allo which allows flexible ws flexible use in any environment without making users aware of co Nomadic / Local Area Access Systems New Nomadic / Local Area Wireless Access use in any environment without making users aware of constituent systems Nomadic / Local area access systems Digital Broadcast Systems Reference: Recommendation ITU-R M.1645 nstituent systems. Digital broadcast systems Peak useful data rate (Mbit/s) 12
13 High bit-rates enable faster mobile access and higher capacity IMT-Advanced is intended to offer high bit-rate mobile services with targeted bitrates of 100 Mbit/s (wide area, high mobility) and 1 Gbit/s (hot-spot, limited mobility) 13
14 14 Higher bit-rates needed for better mobile experience
15 IMT-Advanced can provide new services for users With widespread and ubiquitous mobile deployment, high bit-rate IMT-Advanced will facilitate new services and better user experience. With more IMT spectrum, fewer services and busy hours are limited by delay, deployment or capacity. IMT-Advanced will enable higher network efficiencies and hence lower prices for the end users. 15
16 Macro trends driving growth for high bit-rate IMT-Advanced Demand for high bit-rate IMT-Advanced services increases with quality. Good quality makes high bit-rate services more attractive (-> positive spiral). However, limited spectrum would lead to compromised quality and service resistance. As time goes by, more and more people work and play with new digital devices (mobiles, computers, cameras, TVs, music-players etc.) Future mobile handsets are becoming multi-purpose easy-to-use devices, lowering the barrier to use high bit rate mobile services. 16
17 High bit-rates enable faster mobile access and higher capacity High bit rate services experienced in cable and fixed (DSL) networks will be expected from mobile networks. New mobile technologies will enable performance comparable to the fixed broadband solutions. Mobility adds value to the user, hence the demand for mobile broadband will be high. End-to-end transfer delay of mobile experience has to be minimized. Peak data rates and controlled delay at busy hour dictate highest spectrum need. New high bit-rate mobile technologies will emerge to make this feasible. It is very likely that there will be new mobile/wide area technologies and new nomadic technologies capable of required very high peak bit rates. 17
18 Technological enablers for high performance mobile devices Memory: 100 GBytes minimum in 2015 Processing power: 4x compared to today s PC power in 2010, having optimized architecture per application Display: foldable PC size colour displays available in 2011 Battery: fuel-cells in 2010, hybrid architecture increases overall usage time and energy capacity Size and weight: same, optimized by usefulness Usability: new type of user interaction will better support dedicated applications Cost: reduced cost will open up new markets for people who earlier could not afford such device usage 18
19 Mobile market evolution and growth The advanced mobile and wireless technologies will enable new applications which will dramatically increase the demand for bandwidth. Some of these applications include: Rich Voice Services: VoIP, video telephony, video-conference, collaborative work Location-based services: car navigation, maps, product and service finder Machine-to-Machine: sensor modes in products and electronic devices and home appliances Mobile Internet Access: , file transfer, streaming video/audio, Internet browsing Multimedia Messaging: , instant messaging, video messaging, telemetry Entertainment: multiplayer games, TV broadcasts Mobile commerce: banking, finance, promotions, m-payment Mobile Intranet: VPN, Intranet access Mobile medicine: health monitoring, mobile medical examination, medical record access Mobile Education: remote learning, network community school Mobile Science: virtual laboratory Mobile Government 19
20 Existing bands will not be enough for IMT services after the year 2015 High bit-rate mobile services which IMT-Advanced can deliver (with predicted data volumes and 100Mbit/s/1Gbit/s peak bit rates) cannot be feasibly delivered using today s mobile spectrum bands Due to increased traffic: Traffic increases More base stations limit, how many sites can be added feasibly: In theory site density can be always increased to meet the capacity need However, for continuous coverage, guaranteed quality of service and full mobility with reasonable cost (CAPEX and OPEX), macro and micro cells is an attractive solution There is also a deployment issue as towers & antennas cannot be built in all places. Current spectrum allocations do not allow a cost efficient offering of mobile broadband services with reasonable site density Due to new technologies: High bit-rates require new radio technology need wider bandwidths (e.g. 100MHz) than available today (like 1.25 and 5MHz) IMT-2000 and its evolution will not be able to support such high bit-rates (100M/1G) WLAN offers high bit rates, but does not support wide-area coverage and mobility 20
21 Working document towards a Preliminary Draft New Recommendation IMT.SERV "Services delivered by IMT" Based on Recommendation ITU-R M.1645, Framework and overall objectives of the future development of IMT-2000 and systems beyond IMT-2000, and others. Working document: Attachment 4.2, Document 8F/1045 The preliminary draft outline includes Service descriptions Service enablers Service description parameters, and Service classification Due for completion by May 2007 (in two more meetings of ITU-R Working Party 8F). 21
22 22 Who needs IMT-Advanced? Why pursue the high capabilities of IMT-Advanced, if all that seems to be useful is voice communications and simple data communications? Bar-Hillel s Conundrum applies*: We cannot afford to stop trying! The pursuit of high goals has many benefits in related areas, many of which cannot be anticipated. Example: STARPAHC Project in the 1970s: Space Technology Applied to Rural Papago Advanced Health Care. Many side-benefits will result from IMT-Advanced! We all need IMT-Advanced! * G.B. Thompson, An Assessment Methodology for Evaluating Communications Innovations, IEEE Transactions on Communications, Vol. COM-23, No. 10, pp , October 1975.
23 Examples of IMT-Advanced meta-benefits Better health care, remote tele-medicine Better knowledge sharing, tele-education Local promotion, eco-tourism Tele-working, exporting local skills Easy and effective user interfaces Capabilities & Benefits After IMT-Advanced Before IMT-Advanced Over-served areas World development Under-served areas 23
24 Connecting the unconnected by Connect the World ITU Initiative It will be enabled by IMT! 24
25 Key mib Messages 1. High bit-rate services experienced in cable and fixed (DSL) networks will be expected from mobile networks as users demand the same services and same quality 2. More spectrum will be needed for IMT services in a response to increased traffic 3. WRC-07 decision would enable IMT deployment in year timeframe 4. There will be many side-benefits resulting from IMT 25
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