Regional Information Meeting and Workshop relatedto the RRC-06 for the administrations of the Arab countriesDamascus, Syria 16-18 August 2005Analysis of the results of the first planning exercise Pham Nhu HaiRadiocommunication Bureau

OutlinePurpose of the first planning exerciseInput dataPlanning processOverall resultsAnalysis of the resultsElements impacting on the resultsConclusions

Purpose of the FIRST exerciseAdministrationsPrepare input requirementsTest planning optionsSpectrum capacityFamiliarise with softwareBR and PXTTesting planning assumptionsTest planning softwareImplement planning software

Input data98 member states and PSE submitted requirements21 did not2 from EBA18 from ABA1 from RCC

Requirements - overall

Requirements - overall

Your requirements

Your requirements

Analogue TV Overall input

Your analogue TV - Input

Other primary services - Input

Administrative declarations

Administrative declarations

Planning processAnalysisAcceptable channelsPotentially available channelsCompatible/incompatible requirementsSynthesisOrder requirementsAssigning channel

Band III - Results

Band III Your results

Band IV and V - Results

Band IV and V Your results

Analysis Impact of OS and BCCase 1 OS and BC 104569 available channels identified Case 4 No OS and No BC 407602 available channels identifiedOS and BC consume nearly spectrum available2 coverage is expected if taking OS and BC into account

Band III - Case1 (OS and BC)9582 requirements for synthesis4474 (~47%) without available channels => not assigned with a channel.Some of these may be submitted with one or few acceptable channel.2.7 available channel for each requirement25 incompatibilities for each requirement

Band III - Case1 (OS and BC)9582 requirements for synthesis330 (3%) have no incompatibility4067 (~42%) with 1 available channel and between 1 to 214 incompatibilities If many incompatibilities => unlikely assigned with a channelAs many as 227 IC for a requirement

Band III Case 4 (No OS/BC)9582 requirements for synthesis991 T-DAB with 32 available channels6 available channels for each requirement75 ncompatibilities for each requirementAs many as 607 ICs for a requirement

Band III Case 4 (No OS/BC)9582 requirements for synthesisAll requirements have at least 1 AC1678 No IC => get a channel1665 only 1 AC => get a channel => coordinated well5962 (~63%) with 1 available channel and between 1 to 379 incompatibilities If many incompatibilities => unlikely assigned with a channel

Band IV/V - Case1 (OS and BC)38602 requirements for synthesis13534 (~35%) without available channels => not assigned with a channel.Some of these may be submitted with one or few acceptable channel.1081 with 49 available channels

Band IV/V - Case1 (OS and BC)38602 requirements for synthesis3274 ( unlikely assigned with a channel

Band IV/V Case 4 (No OS/BC)38602 requirements for synthesis7207 with 49 available channelsEach AC requested by 7800-8400 requirements evenlyrequetsed

Band IV/V Case 4 (No OS/BC)38602 requirements for synthesisAll requirements have at least 1 AC11948 No IC => get a channel11866 only 1 AC => get a channel => coordinated well28521 (~74%) with 1 available channel and between 1 to 1170 incompatibilities If many incompatibilities => unlikely assigned with a channel

Results in RRC countriesHigh percentage of requirements assigned with channelscoordination activitiesAdministrative declarationsAreas where channels not assigned

Elements impact on the resultsExcessive input requirements for the available spectrum and errors in the preparation and submission of input requirements by administrationsInternal incompatibilities between requirements and existing assignments/requirements (from the same countries)

More important element..Modification to planning software to enable some intervention in the random approach in the synthesis process => equitable accessVery high transmitter power assignments (sometimes linked with allotments)

More important elementsSubmissions of administrative declarations, both internal and with neighbouring countries which can, for example, take account of realistic terrain features.

Less important elementsTest points/reference networks in the sea Assignments and/or allotments for very large service areas

How many coverage?in Band III, sharing between T-DAB and DVB-T services, a possible target could be one (1) DVB-T and three (3) T-DABin Bands IV and V, a nominal target of 6-7 layers may be possible;in areas of extreme propagation conditions, the number of layers is expected to be less;

One recommendationFirst - identify areas where there are a large number of incompatibilitiesConsider how to resolve these incompatibilities.This was found to an effective planning approach by some administrations.

Plan for very large service area assignments/allotments?consider the potential of self interference and interference to the neighbouring areas;combination of small and large allotments in the same geographical area is likely to result in unbalanced distribution of channels;the size of an allotment area should generally be slightly greater than the co-channel reuse distances

Three sure ways to achieve better results

CoordinationNegotiationCoordination and Negotiation

Thanks for your attention