Recommendation ITU-R SM.1757-0 (05/2006) Impact of devices using ultra-wideband technology on systems operating within radiocommunication services
Foreword
Policy on Intellectual Property Right (IPR)
Scope
Keywords
Annex 1  Summary of studies related to the impact of devices using ultra-wideband technology on radiocommunication services
TABLE OF CONTENTS
1.1 Summary of analytical studies
     1.1.1 Summary tables of analytical studies relevant to the impact of devices using UWB technology on systems operating within radiocommunication services
          1.1.1.1 Impact of UWB on the mobile, radiodetermination, amateur and related services
          1.1.1.2 Impact of UWB on the fixed service (FS)
          1.1.1.3 Impact of UWB on the fixed-satellite service
          1.1.1.4 Impact of devices using UWB technology on the mobile-satellite services and the radionavigation satellite service
               1.1.1.4.1 Mobile-satellite service (MSS)
                    1.1.1.4.1.1 Search and rescue systems
                    1.1.1.4.1.2 Service links of GSO MSS systems
               1.1.1.4.2 Radionavigation satellite service (RNSS)
          1.1.1.5 Impact of UWB on the broadcasting service
               1.1.1.5.1 Terrestrial broadcasting
               1.1.1.5.2 Broadcasting-satellite service (BSS)
          1.1.1.6 Impact of UWB on the science services
               1.1.1.6.1 Earth exploration-satellite service (EESS)
               1.1.1.6.3 Radio astronomy service (RAS)
     1.1.2 Impact of the number of UWB emitters
1.2 Summary tables of laboratory and field test measurements related to the impact of devices using UWB on systems operating within radiocommunication services
     1.2.1 Laboratory and field test measurements related to the impact of devices using UWB technology on systems operating within land mobile service except IMT-2000
1.3 Summary of mitigation techniques
Attachment 1 to Annex 1
1 Summary of regulations of the United States of America
     1.1 Introduction
     1.2 National coordination requirements
     1.3  Specific technical requirements for devices using ultra-wideband technology
2 Summary of proposed CEPT regulations
     2.1 Technical requirements for generic UWB devices
          2.1.1 Technical requirements for UWB devices below 10.6 GHz
               2.1.1.1 Maximum e.i.r.p. limits
               2.1.1.2 Other requirements
     2.2 Specific technical requirements for automotive short range radars (SRRs) in the 24 GHz band in CEPT
     2.3 Specific technical requirements for automotive short range radars in the 79 GHz band in CEPT
3 Specific technical requirements for Japan
     3.1 Basic concept of the preliminary UWB transmission mask
Annex 2  Methodologies to assess the impact of devices using UWB technology on systems operating within radiocommunication services
TABLE OF CONTENTS
2.1 Introduction
2.2 Impact of a single device using UWB technology
     2.2.1 Link budget methodology
          2.2.1.1 Applicability of the link budget methodology to the radionavigation satellite service (RNSS)
     2.2.2 Minimum coupling loss method
     2.2.3 Blocking probability for CDMA PCS
2.3 Impact of an aggregation of devices using UWB technology
     2.3.1  Integral methodology
     2.3.2 Monte Carlo methodology
     2.3.3 Summation methodology
     2.3.4 Methodologies to assess interference into satellite networks
          2.3.4.1  Methodologies that estimate interference into satellite uplinks
               2.3.4.1.1  Satellite uplink summation methodology
               2.3.4.1.2 Simplified summation methodology for GSO satellite uplinks
          2.3.4.2 Satellite downlink methodology
     2.3.5 Airborne aggregate interference model
     2.3.6 Application of the link budget methodology for multiple emitters using UWB technology
          2.3.6.1 Applicability of the link budget methodology to assess interference from multiple emitters using UWB technology into RNSS
          2.3.6.2 Applicability of the link budget methodology to assess interference from multiple emitters using UWB technology into aeronautical safety services
2.4 Method to determine the bandwidth correction factor (BWCF)
     2.4.1 Determination of emission and interference power levels
     2.4.2  Definition of non-dithered and dithered UWB signals
     2.4.3 Observation time window
     2.4.4 Average and peak power determination
     Dithered signals:
     2.4.5 BWCFA/P for non-dithered UWB signals
     2.4.6  BWCFA/P for dithered UWB signals
     2.4.7 Classification of modulated UWB signals as non-dithered or dithered signals