CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Executive summary
 2     Abbreviations
 3     Useful definitions
        3.1     Radio frequency signal-to-interference ratio (S/I)
        3.2     Radio frequency protection ratio (PR)
        3.3     Receiver (front-end) overload threshold
        3.4     Adjacent channel leakage power ratio
        3.5     “Can” tuners
        3.6     “Silicon” tuners
 4     References
        4.1     Broadcasting technology characteristics
        4.2     Mobile technology characteristics
 5     Measurement methodology
        5.1     Example test setup
        5.2     Wanted signal levels
        5.3     Frequency offsets between interfering signal and wanted signal
        5.4     Measurements in the presence of a time varying interfering signal
        5.5     UMTS uplink
        5.6     LTE – downlink
        5.7     LTE – uplink
        5.8     Interferer reference power level
        5.9     Characterization of the interfering signal
       5.10     Failure point assessment methods
                  5.10.1     ESR₅ Criterion for the Assessment of DTT Transmission Quality
       5.11     Method for determining protection ratios and overload thresholds
 6     Conclusions and further work required
Annex 1  DVB-T receiver performance in the presence of interfering signals from DVB-T, UMTS, and LTE
                  A.1.1     Measurements of protection ratios and overload thresholds for DVB-T receivers under interference from DVB-T in adjacent channels
                  A.1.2     Measurements of protection ratio and overload threshold for DVB-T receivers under interference from UMTS BS and UE in co- and adjacent channels
                  A.1.3     Measurements of protection ratios and overload thresholds for DVB-T receivers under interference from LTE BS and UE in co- and adjacent channels
Annex 2  DVB-T2 receiver performance in the presence of interfering signals from DVB-T2 and LTE
                  A.2.1     Measurements of protection ratios and overload thresholds for DVB-T2 receivers under interference from DVB-T2 in other channels
                  A.2.2     Measurements of protection ratios and overload thresholds for DVB-T2 receivers under interference from LTE BS in co- and adjacent channels
                  A.2.3     Measurements of protection ratios and overload thresholds for DVB-T2 receivers under interference from LTE UE in adjacent channels
                  A.2.4     Measurements of protection ratios and overload thresholds for DVB-T2 receivers under interference from wireless broadband access systems in co- and adjacent channels
Annex 3  ATSC receiver performance in the presence of interfering signals from ATSC and LTE
                  A.3.1     Measurements of protection ratios and receiver desensitisation for ATSC receivers under interference from ATSC on adjacent channels
                  A.3.2     Measurements of protection ratios for ATSC receivers under interference from LTE BS in co- and adjacent channels
Annex 4  DTMB receiver performance in the presence of interfering signals from the Third or Fourth Generation Mobile Communication Systems
       A4.1     Summary
       A4.2     Testing overview
                  A4.2.1     LTE signal settings
                  A4.2.2     DTMB signal Setting
                  A4.2.3     Spectrum relation of the two systems
                  A4.2.4     Failure criterion
       A4.3     Test result
                  A4.3.1     Testing system
                  A4.3.2     LTE terminal sensitivity
                  A4.3.3     The Minimum receiving field strength and protection ratios of DTMB
                  A4.3.4     The compatibility test between DTMB and the third generation mobile communication service
                  A4.3.5     The compatibility test between DTMB and the fourth generation mobile communication system
Conclusion