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The effects of receiver impairments in terrestrial digital video broadcasting

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2 Author(s)
R. B. Palipana ; Dept. of Electr. & Comput. Eng., Curtin Univ. of Technol., Perth, WA, Australia ; Kah-Seng Chung

In this paper, receiver impairments associated with zero intermediate frequency (zero-IF) dual branch receiver architectures are considered in the context of terrestrial digital video broadcasting (DVB-T). The receiver impairments studied are the DC-offset, the gain and phase imbalances, and the frequency offset. Bit error rate simulation is used to observe the influence of first order capacitive coupling for removing DC-offset. Based on the study of gain and phase imbalances, we arrive at values which are required in order to maintain the proper operation of the DVB-T signal. Also, acceptable frequency offset limits for the proper operation of the DVB-T signal are given.

Published in:

Communications, 2003. APCC 2003. The 9th Asia-Pacific Conference on  (Volume:3 )

Date of Conference:

21-24 Sept. 2003