CONTENTS

Policy on Intellectual Property Right (IPR)
 1     Introduction
 2     HD Radio system configurations
 3     Considerations and analysis parameters for deriving useful field strength requirements for HD Radio system
        3.1     Reception conditions
                  3.1.1     Ground wave propagation
                  3.1.2     Skywave propagation
                  3.1.3     Composite wave propagation
                  3.1.4     Signal variability during daytime
                  3.1.5     Signal variability during night-time
                  3.1.6     Terrain irregularities and obstruction
                  3.1.7     Noise
                  3.1.8     Reception paradigm layout
        3.2     Design related correction factors
                  3.2.1     Correction factors for integrated methodology
                  3.2.2     Implementation loss
        3.3     Channel models and applicable margins
 4     Spectrum management considerations and control
 5     Field strength considerations
        5.1     Minimum C/N
        5.2     Noise level related audio protection minimum usable field strength (Legacy method)
        5.3     Integrated receiver practice related minimum usable field strength
 6     RF protection ratios for HD Radio system (a realization of in-band on‑channel) in the MF band
        6.1     HD Radio system spectral configurations
        6.2     RF protection levels
                  6.2.1     Calculation methodology for interference involving analogue AM
Annex 1 – Background for calculating minimum useful field strength requirements  for HD Radio system
Annex 2 – Channel models employed for deriving useful field strength requirements for HD Radio system
Annex 3 – Conversion of C/N₀ to SNR for HD Radio signals