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A Practical Measurement Method of the Occupied Bandwidth for 8-VSB DTV Signal Using Modified ACPR
  • KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

A Practical Measurement Method of the Occupied Bandwidth for 8-VSB DTV Signal Using Modified ACPR

Vol. 13, No. 7, July 30, 2019
10.3837/tiis.2019.07.012, Download Paper (Free):

Abstract

This paper proposes a new measurement method for the effective measurement of the 99% occupied bandwidth (OBW) at monitoring stations. Although the OBW measurement of radio signal is recommended by the International Telecommunication Union Radio (ITU-R) with several methods, there still does not exist a clear measurement recommendation or standard for terrestrial DTV signal on-air environment. Modified adjacent channel power ratio (MACPR), which can be applied to 8-VSB (Vestigial Side Band) DTV (Digital Television) signal, is herein defined to verify the results of measurements obtained using the proposed measurement method. MACPR is a proper measuring parameter for determining the measuring area of a monitoring station. From measurement results obtained in real field environment, it has been found that the OBW of 8-VSB DTV signal can be effectively measured in areas where the MACPR value is over 35 dB and when the measurements are repeated more than 600 times in the same reception site. It also has been verified that measured results are within an error range of +/-0.1% compared to results directly obtained at a transmission station. It is expected that the proposed method is able to be employed in order to determine the proper location of monitoring station and provide a reliable OBW measurement procedure for 8-VSB DTV signal on-air environment.


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Cite this article

[IEEE Style]
Y. S. Kim, B. G. Lee and K. Song, "A Practical Measurement Method of the Occupied Bandwidth for 8-VSB DTV Signal Using Modified ACPR," KSII Transactions on Internet and Information Systems, vol. 13, no. 7, pp. 3550-3565, 2019. DOI: 10.3837/tiis.2019.07.012.

[ACM Style]
Young Soo Kim, Bong Gyou Lee, and Kyeongmin Song. 2019. A Practical Measurement Method of the Occupied Bandwidth for 8-VSB DTV Signal Using Modified ACPR. KSII Transactions on Internet and Information Systems, 13, 7, (2019), 3550-3565. DOI: 10.3837/tiis.2019.07.012.