Abstract
In the following section, the measurements required at the air interface to the North American terrestrial digital TV transmission system will be discussed in detail. The ATSC – Advanced Television Systems Committee – standard employs a modulation method with a single carrier, that is 8VSB, which stands for 8-level vestigial sideband modulation. The 8VSB constellation diagram does not exhibit points but lines. Due to the Q component resulting from vestigial sideband filtering, eight lines are formed from the originally eight points. As a basic rule in 8VSB, it can be said that the narrower the eight lines, the better the signal quality. While 8VSB modulation appears relatively simple compared to the COFDM multicarrier method, it exhibits correspondingly higher susceptibility to the various types of interference from the terrestrial environment.
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Fischer, W. (2020). ATSC/8VSB Measurements. In: Digital Video and Audio Broadcasting Technology. Signals and Communication Technology. Springer, Cham. https://doi.org/10.1007/978-3-030-32185-7_24
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DOI: https://doi.org/10.1007/978-3-030-32185-7_24
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