IMT-Advanced Opening Report

July 2008

Bruce Kraemer (Marvell); Darwin Engwer (Nortel)

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IMT-Advanced Opening Report

Date: 2008-07-12

Authors:

Name Company Address Phone email Bruce Kraemer Marvell 5488 Marvell Ln

Santa Clara, CA 95054

+1-321-427-4098

[email protected]

Darwin Engwer Nortel Networks

4655 Great America Pkwy, Santa Clara CA 95054

+1-408-495-2588

[email protected]

July 2008


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Updates since May

July 2008


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One Page Summary• Most of Circular letter components completed in Dubai

– IMT.TECH contents/numbers finalized

– IMT.EVAL contents/numbers finalized

– Circular letter structure finalized

• Work to perform final cleanup and formatting will continue in correspondence

• Circular letter contents to be completed in WP5D Seoul, Korea October 8-15– Workshop Tuesday October 7

• WP5D Reports require approval by SG5 in November 10,11

July 2008


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IMT-ADV ScheduleDubai

July 2008


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IMT-Advanced RIT development process

Jan 2008 Jul 2008

Jan 2009 Nov 2009

Jan 2009 Jul 2010

Jan 2009 Nov 2010

Jan 2009 Jan 2010

Jan 2009 Nov 2009

July 2008


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Meeting Report Documents• Updated WP5D workplan was 5D-97 now TEMP-81

• Workshop draft plan 5D-185

• Activity Reports:

• 53 Services Aspects

• 96 Spectrum Aspects

• 94 AH-Circular Letter

• 81 & 53 + Attachment Chapter 2 - ITU-R WP 5D Structure and Workplan Meeting Report of Services WG

July 2008


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Submission Related Documents

• 89 (Rev 1)Draft New Report on Requirements related to technical system performance for IMT-Advanced Radio interface(s) [IMT.TECH]

• 90 (Rev 1)Draft New Report [Guidelines for evaluation of radio interface technologies for IMT-Advanced]

• 87 (Rev 1)Compliance template for Services

• 88 (Rev 1)Compliance template for technical performance

• 93 (Rev 1)Technology description template

• 78 (Rev 1)Draft new Report [IMT.REST] requirements, evaluation criteria, and submission templates for the development of IMT‑Advanced

• 86 (Rev 1) IMT-ADV/2 – Submission and evaluation process and consensus building

July 2008


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Candidate RIT Info

• IMT.TECH highlights

• IMT.EVAL highlights

July 2008


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Supported Test Environments

• At least 1 required to propose candidate

• At least 3 required to enter final standardization phase.

July 2008


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Service Type Examples - Titles onlyFrom M.1822

• Messaging• Voice telephony• Push-to-talk/Push-to-X• High-quality video telephony• Video conference• Internet browsing• Interactive gaming• File transfer/download• Multimedia• e-Education• Consultation • Remote collaboration

• Mobile commerce• Mobile broadcasting/multicasting• Machine-to-machine• Remote sensor• Remote bio-monitoring• Personal environment service• ITS-enabled services• Emergency calling• Public alerting• Number portability• Priority service• Lawful intercept• Location-based services

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IMT- Advanced IMT.TECH - Radio Requirements

• 4.1 Cell Spectral Efficiency - Table 1

• 4.2 Peak Spectral Efficiency– 15 b/s/Hz downlink

– 6.75 b/s/Hz uplink

• 4.3 Bandwidth– At least 3, Scalable up to and including 40 MHz

• 4.4 Cell Edge User Spectral Efficiency – Table 2

• 4.5.1 Control Plane Latency – <100ms

• 4.5.2 User Plane Latency– <10 ms

• 4.6 Mobility up to 350 km/h - Table 3, Table 4

• 4.7 Handover – Table 5

• 4.8 VOIP Capacity – Table 6

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Test environment ** Downlink (b/s/Hz/cell)

Uplink (b/s/Hz/cell)

Indoor 3 2.25

Microcellular 2.6 1.80

Base coverage urban 2.2 1.4

High speed 1.1 0.7

IMT.TECH - 4.1 Cell Spectral EfficiencyTABLE 1

Cell Spectral Efficiency

Cell[1] spectral efficiency () is defined as the aggregate throughput of all users (the number of correctly received bits, i.e. the number of bits contained in the SDUs delivered to Layer 3, over a certain period of time) divided by the channel bandwidth divided by the number of cells. The cell spectral efficiency is measured in b/s/Hz/cell. [1] A cell is equivalent to a sector, e.g. a 3-sector site has 3 cells.

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Test environment* * Downlink (b/s/Hz) Uplink (b/s/Hz)

Indoor 0.1 0.07

Microcellular 0.075 0.05

Base coverage urban 0.06 0.03

High speed 0.04 0.015

IMT.TECH - 4.4 Cell edge user spectral efficiency TABLE 2

Cell Edge User Spectral Efficiency

The (normalized) user throughput is defined as the average user throughput (i.e., the number of correctly received bits by users, i.e. the number of bits contained in the SDU delivered to Layer 3, over a certain period of time, divided by the channel bandwidth and is measured in b/s/Hz. The cell edge user spectral efficiency is defined as 5% point of CDF of the normalized user throughput. Table 2 lists the cell edge user spectral efficiency requirements for various test environments.

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• IMT.TECH - 4.2 Peak spectral efficiency

• The peak spectral efficiency is the highest theoretical data rate (normalised by bandwidth), which is the received data bits assuming error-free conditions assignable to a single mobile station, when all available radio resources for the corresponding link direction are utilised (that is excluding radio resources that are used for physical layer synchronisation, reference signals or pilots, guard bands and guard times).

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Bits/s/Hz Speed (km/h)

Indoor 1.0 10

Microcellular 0.75 30

Base Coverage Urban

0.55 120

High Speed 0.25 350

IMT.TECH - 4.6 Mobility TABLE 3

Traffic Channel Link Data Rates

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Test environments*

Indoor Microcellular Base coverage urban

High speed

Mobility classes supported

Stationary, pedestrian

Stationary, pedestrian,

Vehicular (up to 30 km/h)

Stationary, pedestrian, vehicular

High speed vehicular, vehicular

IMT.TECH - 4.6 Mobility TABLE 4

Mobility Classes

The following classes of mobility are defined:– Stationary: 0 km/h– Pedestrian: > 0 km/h to 10 km/h– Vehicular: 10 to 120 km/h– High speed vehicular: 120 to 350 km/h

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Handover TypeInterruption Time

(ms)

Intra-Frequency 27.5

Inter-Frequency

– within a spectrum band– between spectrum bands

4060

IMT.TECH - 4.7 HandoverTABLE 5

Handover Interruption Times

The handover interruption time is defined as the time duration during which a user terminal cannot exchange user plane packets with any base station. The handover interruption time includes the time required to execute any radio access network procedure, radio resource control signalling protocol, or other message exchanges between the user equipment and the radio access network, as applicable to the candidate RIT or SRIT. For the purposes of determining handover interruption time, interactions with the core network (i.e, network entities beyond the radio access network) are assumed to occur in zero time. It is also assumed that all necessary attributes of the target channel (that is, downlink synchronisation is achieved and uplink access procedures, if applicable, are successfully completed) are known at initiation of the handover from the serving channel to the target channel.

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Test environment** Min VoIP capacity (Active users/sector/MHz)

Indoor 50

Microcellular 40

Base coverage urban 40

High speed 30

IMT.TECH - 4.8 Voip CapacityTABLE 6

VoIP Capacity

VoIP capacity was derived assuming a 12.2 kbps codec with a 50% activity factor such that the percentage of users in outage is less than 2% where a user is defined to have experienced a voice outage if less than 98% of the VoIP packets have been delivered successfully to the user within a one way radio access delay bound of 50 ms.

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IMT-ADV Evaluation (Temp 90)ITU-R IMT-ADV/3 Report Contents• Section 4 - ITU-R Reference documents• Section 5 - Describes the evaluation guidelines.• Section 6 - Lists the criteria chosen for evaluating the RITs. (Table 6-1)• Section 7 - Outlines the procedures and evaluation methodology for evaluating the criteria.• Section 8 - Defines the tests environments and selected deployment scenarios for evaluation.• Section 9 - Describes a channel model approach for the evaluation.• Section 10 - Channel Model Technical references.

• Technical Guidance Annexes:• Annex 1: Test environments and reference channel models• Annex 2: Traffic models• Annex 3: Link budget template

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IMT.EVAL Section 6 Characteristics for Evaluation Table 6-1 Evaluation methods and configurations

Characteristic for EvaluationMethod Evaluation methodology /

configurations

Cell spectral efficiency Simulation (system level) Section 7.1.1; Table 8-2, 8-4 and 8-5

Peak spectral efficiency Analytical Section 7.3.1; Table 8-3

Bandwidth Inspection Section 7.4.1

Cell edge user spectral efficiency

Simulation (system level) Section 7.1.2; Table 8-2, 8-4 and 8-5

Control plane latency Analytical Section 7.3.2; Table 8-2

User plane latency Analytical Section 7.3.3; Table 8-2

Mobility Simulation (system and link level)

Section 7.2; Table 8-2 and 8-7

Intra- and inter-frequency handover interruption time

Analytical Section 7.3.4; Table 8-2

Inter-system handover Inspection Section 7.4.3

VoIP Capacity Simulation (system level) Section 7.1.3; Table 8-2, 8-4 and 8-6

Deployment possible in at least one of the identified IMT bands

Inspection Section 7.4.2

Channel bandwidth scalability Inspection Section 7.4.1

Support for a wide range of services

Inspection Section 7.4.4

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IMT.EVAL Section 8 Test Environments & Evaluation ConfigurationsTable 8-2 Baseline evaluation and configuration parameters

Deployment scenario for the evaluation process

Urban macro-cell

Urban micro-cell

Indoor hotspot Rural macro-cell

Suburban macro-cell

Base Station (BS) antenna height

25 m, above rooftop

10 m, below rooftop

6 m, mounted on ceiling

35 m, above rooftop

35 m, above rooftop

Number of BS antenna elements[1]

Up to 8 rxUp to 8 tx





Total BS TX power at antenna feedpoint

46dBm for 10MHz, 49dBm for 20MHz

41 dBm for 10MHz, 44 dBm for 20MHz

24dBm for 40 MHz, 21 dBm for 20 MHz



User Terminal (UT) power class

24dBm 24dBm 21dBm 24dBm 24dBm

UT antenna system (see the footnote)1

Up to 2 txUp to 2 rx





Minimum distance between UT and serving cell[2]

>= 25 meters >= 10 meters >= 3 meters >= 35 meters >= 35 meters

Carrier Frequency (CF) for evaluation (representative of IMT bands)

2GHz 2.5 GHz 3.4 GHz 800 MHz Same as Urban macro-cell

Outdoor to Indoor building penetration loss

N.A. see Annex 1 Table A1-1

N.A. N.A. 20 dB

Outdoor to in-car penetration loss

9 dB (LN, σ = 5 dB)

N.A. N.A. 9 dB (LN, σ = 5 dB)

9 dB (LN, σ = 5 dB)

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• Other Info

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Seoul, Korea Workshop

• Objectives of the workshop– to provide common understanding of the process for IMT-Advanced

standardization including technical requirements and evaluation guidelines. In particular, it will enable those not directly involved with the Circular Letter works to understand procedures better.

– to observe current and future development aspects of IMT-Advanced Radio Interface technology by development parties

– to exchange the views among possible proponents for consensus building of the possible candidate IMT-Advanced RITS

– to share IMT-Advanced market and regulatory aspects for the introduction of the IMT-Advance

– to promote more participation from developing countries into the WP5D activities,

Ref: TEMP/82E coordinator Dr K. J. Wee

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Seoul, Korea Workshop

• Expected Agenda Topics of the workshop– Procedure and requirements of IMT-Advanced standardization

– Possible Candidate IMT-Advanced RITs

– Market and Regulatory Aspects

– Needs of Developing Countries

Ref: TEMP/82E coordinator Dr K. J. Wee

July 2008


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WP5D Meeting Schedule

GROUP No. START STOP PLACE

WP 5D 1 28 Jan-08 1 Feb-08 Geneva

WP 5D 2 24 Jun-08 1 Jul-08 UAE

WP 5D 3 08-Oct-08 15-Oct-08 Korea

WP 5D 4 11 Feb-09 18 Feb-09 [India]

WP 5D 5 10 Jun-09 17 Jun-09 [Germany]

WP 5D 6 14 Oct-09 21 Oct-09 [China]

WP 5D 7 17 Feb-10 24 Feb-10 [TBD]

WP 5D 8 9 Jun-10 16 Jun-10 [TBD]

WP 5D 9 13 Oct-10 20 Oct-10 [TBD]

WP 5D 10 16 Feb-11 23 Feb-11 [TBD]

WP 5D 11 15 Jun-11 22 Jun-11 [TBD]

WP 5D 12 12 Oct-11 19 Oct-11 [TBD]

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SG5 Meeting Schedule

GROUP No. START STOP PLACE

SG5 10 Nov-08 11 Nov-08 Geneva

July 2008


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Study Group 5 ChairsMr. A. HASHIMOTO Chairman, Study Group 5Japan - NTT DoCoMo, Inc.Wireless Technology Standardization DeptMr. T.K.A. ALEGE Vice-Chairman, Study Group 5Nigeria - Department of State ServicesMr. A. CHANDRA Vice-Chairman, Study Group 5India - Ministry of Communications & ITMr. J.M. COSTA Vice-Chairman, Study Group 5Acting Chairman, Working Party 5ACanada - Nortel Networks Mr. T. EWERS Vice-Chairman, Study Group 5Acting Chairman, Working Party 5BGermany - Bundesnetzagentur für Elektrizität, GasTelekommunikation, Post und Eisenbahnen

Mr. C. GLASS Vice-Chairman, Study Group 5Acting Chairman, Working Party 5CUS - Department of Commerce – NTIA Mr. A. JAMIESON Vice-Chairman, Study Group 5Added Value Applications Ltd.New ZealandMr. A. KLYUCHAREV Vice-Chairman, Study Group 5Russian Federation - General Radio Frequency CentreMme L. SOUSSI Vice-Présidente, Commission d'études 5Tunisia - Agence Nationale des FréquencesMr. L. SUN Vice-Chairman, Study Group 5China - Huawei Technologies Co., Ltd.Mr. K.-J. WEE Vice-Chairman, Study Group 5Korea - Ministry of Information and CommunicationRadio Research Laboratory