Switzerland and the Principality of Liechtenstein
Radio Interface Regulation

784.101.21 / RIR03021)
Point-to-Point

RIR0302-48
Point-to-Point
41.000 - 43.500 GHz
28, 56, 112 MHz / CCDP / ACCP
Edition 5.1 / 01.01.2024

Nr Parameter2)DescriptionComments
1Radiocommunication serviceFixed-
2ApplicationPoint-to-PointCCDP (Co-Channel Dual Polarization)
ACCP (Adjacent Channel Co-Polarization)
3Frequency bandA: 41.000 - 42.000 GHz
B: 42.500 - 43.500 GHz
-
4Channelling28 MHz / 56 MHz / 112 MHzChannel centre frequencies according to ERC/REC/(01)04, recommends 2 (Annex 5) and recommends 4 (Annex 6, option A).
5Modulation / Occupied bandwidthClass: 4L (16-QAM or higher).
ACM is allowed.
OBW: 28 / 56 / 112 MHz.
Definition of spectral efficiency classes: refer to current version of EN 302 217-2 V3.3.1, clause 4.1.3.
Limits for the spectrum masks: refer to current version of EN 302 217-2 V3.3.1, clause 4.2.3.2, Figure 7.
Adaptive Coded Modulation (ACM) is allowed.
OBW with Class 4L (16-QAM or higher): 28 MHz / 56 MHz with or without ACM. 112 MHz in particularly justified cases with or without ACM.
6Direction / Separation1500 MHzFDD
7Transmit power / Power densityMax. 50 dBW e.i.r.p..The operational e.i.r.p. will be specified in the license / individual assignment.
8Channel access and occupation rules--
9Authorisation regimeSwitzerland: License required.
Liechtenstein: Individual assignment required.
-
10Additional essential requirements--
11Frequency planning assumptionsEN 302 217-2.
RX input level = - 40 dBm.
ATPC control range = min. 10 dB to max. 20 dB.
Conditions for the nominal RX input level:
- Receiver input, point A in the system block diagram (EN 302 217-1),
- RX input level tolerance: +1 to -10 dB,
- ATPC set to min. TX output power in clear sky conditions (i.e. without rain fading).
=====
ATPC power increases shall be triggered on the basis of propagation effects only. The ATPC system shall not remain at max. available power (EN 302 217-1, clause 3.1) for more than 15 consecutive minutes (ITU-R Rec. F.750).
=====
Remote Transmit Power Control (RTPC) is considered to be an optional feature.
=====
At first CCDP has to be used and then ACCP.
=====
Limits for the spectrum masks: refer to current version of EN 302 217-2 V3.3.1, clause 4.2.3.2, Figure 7.
=====
Allowed Reference Modes for ACM:
- 28.0 MHz channelling with 16-QAM modulation,
- 56.0 MHz channelling with 16-QAM modulation.
=====
Min. link distance = 500 m.
Site sharing radius = 150 m.
=====
Class 3A, 3B, 3C antenna.
Min. antenna gain = 38 dBi.
Linear (horizontal or vertical) polarization.
Antenna radiation pattern envelope (RPE) according to EN 302 217-4, Figure 29, 30, 31.
OFCOM may impose tighter requirements than the minimum values given in EN 302 217-4 in order to maximize the use of the scarce spectrum resources (Class 4 antenna).
12Planned changes--
13ReferenceEN 302 217-2 / - / ECC/REC/(01)04.Effective use of spectrum / ECC Decisions / ECC Recommendations.
14Notification numberG/TBT/N/CHE/238
2019/9504/CH
-
15RemarksEN 301 489-4-

Normative part: 1 to 11
Informative part: Nr 12 to 15

1) RIR for similar and/or other applications are available under: https://www.bakom.admin.ch/bakom/en/home/frequenzen-antennen/nationaler-frequenzzuweisungsplan/schnittstellen-anforderungen.html
2) For explanations and legal status, please refer to basis document 784.101.21 / RIR0000