INTERNATIONAL TELECOMMUNICATION UNION
WRC-2000
WORLD
RADIOCOMMUNICATION
CONFERENCE
Document 154-E
9 May 2000
Original: French
English
Spanish
ISTANBUL, 8 MAY – 2 JUNE 2000
WORKING GROUP 1
OF THE PLENARY
COMMITTEE 5
[Algeria (People’s Democratic Republic of), Germany (Federal Republic of),
Saudi Arabia (Kingdom of), Belgium, Cameroon (Republic of), Côte d’Ivoire
(Republic of), Denmark, Finland, France, Gabonese Republic, Ghana, Ireland,
Latvia (Republic of), Lebanon, Liechtenstein (Principality of), Lithuania
(Republic of), Luxembourg, Mali (Republic of), Morocco (Kingdom of),
Norway, Portugal, Romania, United Kingdom of Great Britain and
Northern Ireland, Senegal (Republic of), Sweden,
Switzerland (Confederation of), Chad (Republic of)]
PROPOSALS FOR THE WORK OF THE CONFERENCE
POSSIBLE ELEMENTS TOWARDS AN AGREEMENT AT WRC-2000
The WRC-2000 agenda contains an unprecedented number of important and complex issues. In
order for the Conference to agree on these issues and adopt the required decisions, compromises
between administrations are necessary at the early stage of the Conference on the main issues on
the agenda of the Conference. In the spirit of Resolution 72 (WRC-97) and in order to facilitate
the work of the Conference in reaching such compromises, the above-mentioned Administrations
have agreed to the following proposals.
A
BSS replanning
The Conference will need to take the principal decisions required for replanning, at the latest at
the end of the first week of the Conference, in order to allow the Conference Secretariat to
prepare a final Plan while ensuring compatibility between the new Plan and the assignments for
which the procedure of Article 4 has been successfully completed, as well as with the other
services.
1
The Conference should adopt the planning exercise presented by the Bureau on the
basis of the work of IRG, as the Regions 1 and 3 BSS Plan, limited to national coverage,
amended by the Conference, as necessary, to ensure compatibility with the BSS assignments in
the three Regions and with the other services. This Plan will normally contain ten channels per
coverage area for Region 1, representing a continuous band of 400 MHz. This Plan will also
include the additional assignments for national coverage appearing in the Appendix S30 Plan as
adopted by WRC-97.
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In exceptional cases, the minimum ellipse size may be extended in order to permit the common
operation of satellite systems by neighbouring countries from the same orbital location.
2
To adopt this final Plan, the Conference, on the basis of appropriate criteria (see
paragraph 8), will have to ensure its compatibility with:
2.1
the assignments in the BSS for which, as of 12 May 2000 at 1700 hours, the
procedure of the current Article 4 of Appendix S30 has been successfully completed
and the due diligence information specified in Annex 2 of Resolution 49 (WRC-97)
has been received by the Bureau;
2.2
the assignments in the FSS which, as of 12 May 2000 at 1700 hours, have been
notified to the Bureau with the required coordination agreements and for which, by
that date, the due diligence information specified in Annex 2 of Resolution 49
(WRC-97) has been received by the Bureau;
2.3
terrestrial services;
2.4
the Region 2 BSS Plan.
3
The Plan adopted by the Conference will not be open to any modification. However,
in the case of a new ITU Member, the Bureau shall carry out the appropriate studies, consult the
affected administrations and, subject to reaching the required agreements, the subsequent
conference will be requested to modify the Plan accordingly.
4
Any additional use (use of the channels appearing in the Plan with characteristics
resulting in an increase in interference levels, use of additional channels or use of a service area
exceeding national boundaries) will be included in a list attached to the MIFR.
Entries in the list will be:
4.1
the assignments for which, as of 12 May 2000 at 1700 hours, the current procedure
of Article 4 of Appendix S30 has been successfully completed and the due diligence
information specified in Annex 2 of Resolution 49 (WRC-97) has been received by
the Bureau;
4.2
following the development of the Plan, the additional uses which have successfully
completed a procedure that may be contained either in a new Article 4/5 or in
Article S9/S11 (in the latter case, a list separate from the MIFR would not be
necessary). In applying this procedure, in case of continuing disagreement between
two administrations, the procedure must include the examination by the Bureau of
the probability of harmful interference (as foreseen in Article 7 of Appendix S30 or
under S11.32A). In case of unfavourable finding, a provision similar to S11.41
should also be included to allow recording in the List (or in the MIFR) on a
provisional basis.
5
In order to guarantee equitable access to orbit/spectrum resources, entering and
remaining in the List is subject to:
5.1
the successful application of the procedure mentioned in paragraph 4.2 above (except
for assignments covered by 4.1). However, the assignments for which the current
Article 4 procedure has been successfully completed before 12 May 2000 at
1700 hours, but for which at that date, the due diligence information specified in
Annex 2 of Resolution 49 (WRC-97) has not been received, have to apply the new
Article 4 procedure only in respect of assignments in the new Plan;
5.2
the application of paragraph 4.1.1 of Appendix S30;
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5.3
the provision of due diligence information in conformity with the provisions of
Resolution 49 (WRC-97);
5.4
a use limited to 15 years duration, starting from the date of bringing into use, or the
last day of WRC-2000, whichever is later. An administration may keep the priority
of date indicated in the list for a space station to be used for another period of
15 years with the same characteristics;
5.5
bringing into use within eight years of the receipt by the Bureau of the information
specified in Annex 2 of Appendix S30.
6
When an Administration A (already having included in the List two assignments (not
including those present intergovernmental systems notified on behalf of a group of
administrations) on the same channel covering the same service area) proposes to include in the
List a new assignment in the same channel over this service area, it shall apply the following in
respect of another Administration B which has no assignment in the List in the same channel and
which proposes to include in the List a new assignment:
6.1
In a first step, both administrations make every possible effort to resolve the
difficulties by means of mutually acceptable adjustments to their networks.
6.2
In case of continuing disagreement, and if Administration A has not communicated
to the Bureau the information specified in Annex 2 of Resolution 49 (WRC-97), this
administration shall modify its system to facilitate the entry in the List of the
assignment of Administration B.
7
It is assumed that most of the incompatibilities identified during WRC-2000 will be
resolved by the Conference. However, should incompatibilities remain, they may be the subject
of remarks leaving it to the administrations concerned to resolve them and to the next WRC to
review the results obtained. Should the number of unresolved incompatibilities be large, their
study may be the subject of different approaches.
8
The sharing criteria included in the Annexes of Appendix S30 are considered as
overly conservative. To avoid meeting with the same deficiencies as in the 1977 Plan, the
planning must take into account the mutual protection of the relevant networks on the basis of
more realistic criteria in order to satisfy the needs of the administrations. In order for the
planning to benefit from these new criteria, WRC-2000 has to adopt them before 12 May 2000.
They also need to be used in the framework of the sharing procedures implying BSS assignments
in the planned bands.
9
As the plan will be based on digital modulations, new additional uses in the BSS in
the planned bands should be limited to digital modulations.
10
The orbital limitations in section A3 of Annex 7 of Appendix S30 in 1977 were
based on a Plan with nominal orbital positions separated by 6° and on the use of analogue
modulations. They were justified by the fact that, in 1977, the BSS was occupying
spectrum/orbit resources more intensively than FSS. The use of digital modulations and the fact
that both services now occupy orbit/spectrum resources with equivalent densities make these
limitations obsolete, hence these limitations are no longer required.
11
The above elements refer only to Appendix S30. Similar provisions need to be
adopted for Appendix S30A.
12
The Plans and the associated procedures should be brought into provisional
application immediately after the Conference, by means of a Conference Resolution.
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B
Agenda item 1.6 (IMT-2000 terrestrial component)
It is recognized that an additional spectrum of 160 MHz is required for IMT-2000. However, this
can only be supported if national administrations retain full flexibility to determine their own
implementation requirements and schedules.
The objective at WRC-2000 should therefore be to identify additional frequency ranges on a
worldwide basis for IMT-2000, from which national administrations may select any additional
spectrum needed for their national implementation plans.
To this effect, the following frequency ranges are proposed for potential IMT-2000 terrestrial use
on a worldwide basis: 862-960 MHz, 1 710-1 885 MHz and 2 520-2 670 MHz. In addition, the
bands 2 500-2 520 MHz and 2 670-2 690 MHz are also proposed to be identified for the
terrestrial component of IMT-2000 in the longer term, provided that the continuation and the
future development of MSS, including the IMT-2000 satellite component in this band, is
guaranteed though a Resolution, without precluding the possibility of use of this band by the
IMT-2000 terrestrial component in the longer term, taking into account IMT-2000 requirements
and ITU-R studies.
C
Agenda item 1.15 (Radionavigation-satellite service)
The allocation of the bands 1 151-1 215 MHz, 1 260-1 300 MHz and 5 010-5 030 MHz to RNSS
(space-to-Earth and space-to-space) and the bands 1 300-1 350 MHz and 5 000-5 010 MHz
(Earth-to-space) is supported, provided that maximum pfd limits are applied to protect terrestrial
services having allocations in these bands. These limits should be decided by WRC-2000 so as to
enable the development of the radionavigation-satellite service, applied provisionally and
reviewed by WRC-03.
Consequential action to modify No. S5.43 is also supported. This is necessary to ensure that the
respective status of services is maintained as intended when the condition of not causing harmful
interference is applied. If the condition is applied to service A in respect of a service B in a
particular band, then S5.43 should only apply to the relations between these two services and not
to any other services sharing the band in question.
D
Agenda item 1.13 (non-GSO FSS systems)
The limits and procedures agreed by CPM to facilitate the implementation of non-GSO FSS
systems are supported provided that the protection of the planned services be specified in the
relevant footnotes of Article S5.
E
Agenda item 1.4 (HDFS)
The identification and facilitation of the bands 31.8-33.4 GHz, 37-39.5 GHz, 40.5-42.5 GHz,
51.4-52.6 GHz, 55.78-59 GHz and 64-66 GHz for high-density applications operating within the
fixed service is supported. In order to facilitate sharing between space and terrestrial services, the
pfd levels as contained in the CPM Report are supported, where applicable.
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