CONTENTS

 

Policy on Intellectual Property Right (IPR)     ii
RECOMMENDATION  ITU‑R  SM.1757     1
Impact of devices using ultra-wideband technology on systems operating within radiocommunication services,     1
Scope     1
Annex 1  Summary of studies related to the impact of devices using ultra-wideband technology on radiocommunication services     3
        1.1     Summary of analytical studies  3
                  1.1.1     Summary tables of analytical studies relevant to the impact of devices using UWB technology on systems operating within radiocommunication services     3
                  1.1.2     Impact of the number of UWB emitters  45
        1.2     Summary tables of laboratory and field test measurements related to the impact of devices using UWB on systems operating within radiocommunication services     45
                  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     46
                               1.2.1.1     Impact of a single device using UWB technology  46
                               1.2.1.2     Impact of multiple devices using UWB technology  49
                  1.2.2     Test measurements related to the impact of devices using UWB technology on systems operating within IMT-2000     51
                  1.2.3     Test measurements related to the impact of devices using UWB technology on systems operating within Wireless access systems including RLANs     54
                  1.2.4     Test measurements related to the impact of devices using UWB technology on systems operating within the fixed service     55
                  1.2.5     Test measurements related to the impact of devices using UWB technology on systems operating within the fixed satellite-service     56
                  1.2.6     Test measurements related to the impact of devices using UWB technology on systems operating within the broadcasting satellite service     58
                  1.2.7     Impact of multiple UWB transmitters on the ambient radio noise environment 58
        1.3     Summary of mitigation techniques  59
Appendix 1 to Annex 1     60
 1     Summary of regulations of the United States of America  60
        1.1     Introduction  60
        1.2     National coordination requirements  61
       1.3      Specific technical requirements for devices using ultra-wideband technology  61
 2     Summary of proposed CEPT regulations  63
        2.1     Technical requirements for generic UWB devices  63
                  2.1.1     Technical requirements for UWB devices below 10.6 GHz  64
        2.2     Specific technical requirements for automotive short range radars (SRRs) in the 24 GHz band in CEPT     65
        2.3     Specific technical requirements for automotive short range radars in the 79 GHz band in CEPT     65
 3     Specific technical requirements for Japan  66
        3.1     Basic concept of the preliminary UWB transmission mask  66
Annex 2  Methodologies to assess the impact of devices using UWB technology on systems operating within radiocommunication services     67
        2.1     Introduction  67
        2.2     Impact of a single device using UWB technology  67
                  2.2.1     Link budget methodology  67
                  2.2.2     Minimum coupling loss method  68
                  2.2.3     Blocking probability for CDMA PCS  69
        2.3     Impact of an aggregation of devices using UWB technology  69
                  2.3.1      Integral methodology  69
                  2.3.2     Monte Carlo methodology  71
                  2.3.3     Summation methodology  72
                  2.3.4     Methodologies to assess interference into satellite networks  74
                  2.3.5     Airborne aggregate interference model 81
                  2.3.6     Application of the link budget methodology for multiple emitters using UWB technology     81
        2.4     Method to determine the bandwidth correction factor (BWCF) 83
                  2.4.1     Determination of emission and interference power levels  83
                  2.4.2      Definition of non-dithered and dithered UWB signals  84
                  2.4.3     Observation time window   84
                  2.4.4     Average and peak power determination  85
Dithered signals:     85
                  2.4.5     BWCFA/P for non-dithered UWB signals  85
                  2.4.6      BWCFA/P for dithered UWB signals  86
                  2.4.7     Classification of modulated UWB signals as non-dithered or dithered signals  86