Harmful Interference and Infringements of the RR - ITU

RRS-13-Arab, Tunis, 9-13 December 2013

Harmful
Interference and
Infringements of

the Radio
Regulations

ITU – Radiocommunication Bureau

1

Introduction

The radio-frequency spectrum
natural resources to which all c
The primary objective of the IT
radiocommunication services to
interference.
This presentation relates to the
and the procedures to be follow
harmful interference and infrin

RRS-13-Arab, Tunis, 9-13 December 2013

and satellite orbits are limited
countries have equal rights.
TU-R is to enable
o operate without causing

e measures against interference
wed for resolving problems of
ngements.

2

Statistics of Harmfu

45 cases of harmful interference re
8 cases concerning space servic
3 requests for assistance of
5 cases for information.
37 cases concerning terrestrial
10 cases related to safety s
14 request for assistance o
13 cases for information.

RRS-13-Arab, Tunis, 9-13 December 2013

ul interference

eceived in 2013:
ces
f the BR;

services
services;
of the BR;

3

Causes of Harmful

Out of band emissions;
Operation of non-coordinated f
(Broadcasting service and land
Non-observance of limits of fre
permitted power levels for spu
Operating with different techni
recorded in Plans or the Maste
Unnecessary transmissions;
Unauthorised emissions, etc.

RRS-13-Arab, Tunis, 9-13 December 2013

l interference

frequency assignments
mobile service);
equency tolerances or maximum
urious emissions;
ical parameters from those
er Register;

4

Report of Harm
(Appendix 1

RRS-13-Arab, Tunis, 9-13 December 2013

mful interference
10 to the RR)

5

Infringement of the R

9 cases received in 2013 (all concerni
concerns safety services).
Infringements shall be reported to ad
specimen given in Appendix 9. (No. 1
Representations relating to infringem
of the country having jurisdiction ove
Regulations, by the administrations w
Provision No. 15.21 stipulates that “if
infringement of the Constitution, the
particular Article 45 of the Constitutio
Regulations) committed by a station u
shall ascertain the facts and take the

RRS-13-Arab, Tunis, 9-13 December 2013

Radio Regulations

ing terrestrial services, none of them
dministrations using forms similar to the
15.19)
ment shall be made to the administration
er the station infringing the Radio
which detect it. (No. 15.20)
f an administration has information of an
e Convention or the Radio Regulations (in
on and No. 15.1 of the Radio
under its jurisdiction, the administration
necessary actions”. (WRC-12).

6

Report of an irregula
(Appendix 9

RRS-13-Arab, Tunis, 9-13 December 2013

arity or infringement
9 to the RR)

7

Measures again

(Consti

Several provisions of the Constitution rela
Members in order to avoid harmful interf

Members are bound to abide by the p
Convention and the Radio Regulation
them which are capable of causing ha
other countries. (No. 37)
Members are also bound to take the
observance of the provisions of the C
Radio Regulations upon operating age
operate stations capable of causing h
of other countries. (No. 38)

RRS-13-Arab, Tunis, 9-13 December 2013

nst interference

itution)

ate to measures that are incumbent on
ference.
provisions of the Constitution, the
ns in stations established or operated by
armful interference to radio services of

necessary steps to impose the
Constitution, the Convention and the
encies authorized by them which
harmful interference to the radio services

8

Measures again

(Consti

All stations must be established
as not to cause harmful interfer
communications of other Mem
with the provisions of the Radio

Each Member undertakes to re
observe the provisions of No. 1

RRS-13-Arab, Tunis, 9-13 December 2013

nst interference

itution)

d and operated in such a manner
rence to the radio services or
mbers which operate in accordance
o Regulations. (No. 197)

equire its operating agencies to
197. (No. 198)

9

Measures again

(Radio Reg

The Radio Regulations contains provision
minimizing the risk of interference.

As stipulated by No. 197 of the Const
and operated in such a manner as no
stations of other Members which ope
Regulations. (No. 0.4)

Article 3 deals with the technical spec
to avoid interference.

The choice and performance of equ
emissions therefrom shall satisfy the

Transmitting stations must conform
Appendix 2 and to the maximum pe
in Appendix 3. (Nos. 3.5 and 3.6)

RRS-13-Arab, Tunis, 9-13 December 2013

nst interference

gulations)

ns to be applied with a view to

titution, all stations must be established
ot to cause harmful interference to
erate in accordance with the Radio

cifications to be met by stations in order

uipment to be used in a station and any
e provisions of these Regulations. (No. 3.1)
m to the frequency tolerances specified in
ermitted power levels for spurious emissions

10

Measures again

(Radio Reg

Article 4 sets out the general rules to be a
use of frequencies.

In assigning frequencies to stations w
interference to stations of another co
assignments in accordance with the T
provisions of the Radio Regulations. (

Any new assignment or modification
in such a way as to avoid causing harm
frequencies assigned in accordance w
characteristics are recorded in the Ma

RRS-13-Arab, Tunis, 9-13 December 2013

nst interference

gulations)

applied in regard to the assignment and

which are capable of causing harmful
ountry, Members shall make such
Table of Frequency Allocations and other
(No. 4.2)

of an existing assignment shall be made
mful interference to stations using
with the Radio Regulations and whose
aster Register. (No. 4.3)

11

Measures again

(Radio Reg

No assignment shall be made to any s
Regulations, except on the express co
such a frequency assignment, shall no
protection. (No. 4.4)
It is possible to notify such a non-con
Master Register, for information only.

RRS-13-Arab, Tunis, 9-13 December 2013

nst interference

gulations)

station in derogation of the Radio
ondition that such a station, when using
ot cause harmful interference or claim

nforming assignment and enter it in the
y.

12

Measures again

(Radio Reg

No. 4.5 stipulates that “the frequency
shall be separated from the limits of t
a way that, taking account of the freq
harmful interference is caused to serv
immediately adjoining are allocated”.

This precaution has to be taken in ord
assignment conforming to the Table o

In the assignment and use of frequen
the fact that safety services require s
freedom from harmful interference. (

RRS-13-Arab, Tunis, 9-13 December 2013

nst interference

gulations)

y assigned to a station of a given service
the band allocated to this service in such
quency band assigned to a station, no
vices to which frequency bands
.

der to avoid any overlapping with an
of Allocations.

ncies, it is necessary to take into account
special measures to ensure their
(No. 4.10)

13

Measures again

(Radio Reg

The Radio Regulations contains provision
the various services and which determine
services may have over other assignment

Stations of a secondary service shall n
stations of a primary service and cann
interference from stations of a prima

Stations of a secondary service can cl
interference from stations of the sam

RRS-13-Arab, Tunis, 9-13 December 2013

nst interference

gulations)

ns which define some hierarchy among
e the priority that assignments of such
ts (please see Nos. 5.28 to 5.31).

not cause harmful interference to
not claim protection from harmful
ary service;

laim protection from harmful
me service or other secondary services.

14

Measures again

(Radio Reg

Status of frequency assignments
No. 8.1 provides that “The internation
administrations in respect of their ow
assignments shall be derived from th
Master Register or from their conform
Any frequency assignment recorded i
finding under No. 11.31 shall have the
right means that other administration
making their own assignments, in ord
(No. 8.3)

If the use of a frequency assignment
interference to any service of anothe
be notified to the Bureau, as stipulate

RRS-13-Arab, Tunis, 9-13 December 2013

nst interference

gulations)

nal rights and obligations of
wn and other administrations’ frequency
he recording of those assignments in the
mity, where appropriate, with a plan ...”.
in the Master Register with a favourable
e right to international recognition. This
ns shall take it into account when
der to avoid harmful interference.

is capable of causing harmful
er administration, this assignment shall
ed in No. 11.3.

15

Measures again

(Radio Reg

Article 15 of the Radio Regulations conta
provisions to be applied with a view to av

All stations are forbidden to carry out
transmission of superfluous signals, e
Transmitting stations shall radiate on
ensure a satisfactory service. (No 15.2
The conditions specified under Nos. 1
Special consideration shall be given to
safety frequencies. (No. 15.8)

RRS-13-Arab, Tunis, 9-13 December 2013

nst interference

gulations)

ains a certain number of specific
voiding interference.
t unnecessary transmissions, or the
etc. (No. 15.1)
nly as much power as is necessary to
2)
15.3 to 15.7 shall be fulfilled.
o avoiding interference on distress and

16

Procedure in a case of

The procedure in a case of harmful in
Article 15 of the Radio Regulations.
The problems of harmful interference
goodwill and mutual assistance, as st
Administrations shall cooperate in the
interference, employing where appro
16 (the international monitoring syste
Where practicable, the case of harmf
directly by their monitoring stations o
Full particulars relating to harmful int
indicated in Appendix 10. (No. 15.27)

RRS-13-Arab, Tunis, 9-13 December 2013

f Harmful interference

nterference is set forth in Section VI of

e are to be resolved on the basis of
tipulated in provision No. 15.22.
e detection and elimination of harmful
opriate the facilities described in Article
em).
ful interference may be dealt with
or between the operators.
terference shall be given in the form
)

17

Procedure in a case of

As stipulated by No.15.41, “if it is consi
steps taken in accordance with the proc
produced satisfactory results, the admi
details of the case to the Bureau for its

In such a case, request of assistance ma
technical and operational details and co

In case of request of assistance , the Bu
administration in order to resolve the m
persists, the Bureau prepares a report f
Regulations Board.

RRS-13-Arab, Tunis, 9-13 December 2013

f Harmful interference

idered necessary, and particularly if the
cedures described above have not
inistration concerned shall forward
information.”
ay also be sent to the BR with all the
opies of the correspondence. (No. 15.42)
ureau contacts the responsible
matter. If the harmful interference
for consideration by the Radio

18

Conclusions

It is essential that Members exercise
assistance in the application of the pr
Regulations to the settlement of prob

The main objective of the Radio Regu
interference between stations. Memb
provisions of the Radio Regulations fo

While it is true that spectrum manage
Member, the fact remains that radio
to avoid harmful interference, it is ne
frequency spectrum at the borders.

RRS-13-Arab, Tunis, 9-13 December 2013

the utmost goodwill and mutual
rovisions of Article 15 of the Radio
blems of harmful interference.

ulations is to prevent harmful
bers are obliged to adhere strictly to the
or all stations under their responsibility.

ement is a sovereign matter for each
waves are able to cross borders. In order
ecessary to coordinate the use of radio-

19

Thank you for y

ITU – Radiocommunicatio
Questions to brmail@itu.i

RRS-13-Arab, Tunis, 9-13 December 2013

your attention!

on Bureau
int or brtpr@itu.int

20