1 Introduction
1.1 Approach
1.2 Organization of the Report
2 Related ITU-R Recommendations and Reports
3 List of acronyms and abbreviations
4 Regulatory information above 275 GHz
5 System characteristics
5.1 System characteristics of land mobile service applications
operating in the frequency range 275-450 GHz
5.1.1 Close proximity mobile systems
5.1.2 Intra-device communications
5.1.3 Wireless links in data centres
5.2 System characteristics of fixed service applications operating
in the frequency range 275-450 GHz
5.2.1 Point-to-point fronthaul and backhaul
5.3 System characteristics of the radio astronomy service operating
in the frequency range 275-450 GHz
5.4 System characteristics of Earth exploration-satellite service
(passive) operating in the frequency range 275-450 GHz
6 Considerations for sharing and compatibility studies
6.1 RAS
6.2 EESS (passive)
7 Interference scenarios from land mobile and fixed service applications
operating in the band 275-450 GHz to the passive service applications using
spectrum identified in RR No. 5.565
7.1 Interference scenarios from LMS applications operating in the
band 275-450 GHz to EESS (passive) and RAS
7.2 Interference scenarios from FS applications operating in the
band 275-450 GHz to the EESS (passive) and RAS
8 Sharing and compatibility studies related to EESS (passive)
8.1 Sharing and compatibility studies between LMS applications and
earth exploration-satellite service (passive) applications
8.2 Sharing and compatibility studies between FS applications and
EESS (passive) applications
8.3 Summary of the sharing and compatibility studies related to
EESS (passive)
9 Sharing and compatibility studies related to RAS
9.1 Sharing and compatibility studies between LMS application and
radio astronomy service
9.2 Sharing studies between FS applications and radio astronomy
service
9.3 Summary of the sharing and compatibility studies related to RAS
Annex 1
Annex 2 Extrapolation of building entry loss and clutter loss from
Recommendations ITU-R P.2108 and ITU-R P.2109 for sharing and compatibility
studies
Annex 3 Measurement results of radiation pattern of antenna at 300 GHz
Annex 4 Sharing studies between LMS and FS applications and Earth exploration
satellite service
A4.1 Introduction
A4.2 Study 1: Static analysis between FS/LMS and EESS (passive)
A4.2.1 Maximum allowable single entry emission levels
A4.2.2 Maximum single entry emission levels of FS systems
A4.2.3 Summary of Study 1
A4.3 Study 2: Assessment of FS interference to EESS (passive)
A4.3.1 Assessment of single entry FS interference to EESS
(passive)
A4.3.2 Assessment of aggregate FS interference to EESS
(passive)
A4.3.3 Summary
A4.4 Study 3: Compatibility analyses between EESS (passive) and
FS/LMS in the 275‑450 GHz frequency range
A4.4.1 Analysis methodology
A4.4.2 Characteristics of the EESS (passive) systems
A4.4.3 FS and LMS application characteristics
A4.4.4 Simulation results
A4.4.5 Summary of Study 3
A4.5 Study 4: Aggregate analysis of sharing between FS/LMS stations
and EESS (passive) between 275-325 GHz
A4.5.1 Introduction
A4.5.2 Received power level of EESS passive sensor
A4.5.3 CPMS deployment
A4.5.4 FS deployment
A4.5.5 Received power level of EESS (passive) sensors
A4.5.6 Summary of Study 4
A4.6 Study 5: Compatibility analyses between EESS (passive) and FS
in the 275-450 GHz frequency range (Aggregate case)
A4.6.1 EESS (passive) characteristics
A4.6.2 FS characteristics and deployment
A4.6.3 Maximum FS e.i.r.p. in direction of the EESS
(passive) satellite
A4.6.4 Sharing studies with specific EESS (passive)
system (ICI)
A4.6.5 Generic analysis in all EESS (passive) bands
A4.6.6 Summary of Study 5
A4.6.7 Annex 1 to Study 5 – Methodolgy used to derive
number of fs links on a population based deployment
Annex 5 Sharing studies between FS applications and radio astronomy service
A5.1 Introduction
A5.2 Study 1: Compatibility between RAS and FS operations in
the spectrum band 275‑450 GHz
A5.2.1 Assumptions and geometries
A5.2.2 Results
A5.2.3 Summary
A5.3 Study 2: Compatibility analysis between FS and RAS in the 275-325 GHz
band
A5.3.1 RAS sites
A5.3.2 Protection of RAS stations from FS stations
operating in the 275-350 GHz band
A5.3.3 Summary of Study 2
A5.4 Study 3: Protection of RAS stations from FS stations operating
in the 275-450 GHz band