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The Digital Video Broadcasting terrestrial (DVB-T) standard is gaining more and more success with an increasing diffusion of apparatuses in many countries. To asses the design, production, deployment, maintenance and the performance of such systems, many measurements are required. In particular, channel power measurements and power spectra at the Intermediate Frequency (IF) and the Radio Frequency...
The first results related to a wider research program, aimed at the realization of a DSP-based meter, mainly devoted to performance assessment and large scale monitoring of DVB-T systems and apparatuses, are presented. Satisfying repeatability, reduced measurement time (fast measurement rate) and cost effectiveness are, in particular, pursued. The paper mainly focuses on the digital signal processing...
The rapid growth of digital video broadcasting by terrestrial transmission (DVB-T) has created the need for getting new measurement methods as well as getting new test equipment up and capable of providing reliable and repeatable results. Some problems are, in fact, experienced in power measurements conducted through currently available instruments, especially in those involving the integration of...
The rapid growth of digital video broadcasting by terrestrial transmission (DVB-T) has created the need for getting new measurement methods as well as getting new test equipment up and capable of providing reliable and repeatable results. Some problems are, in fact, experienced in power measurements conducted through currently available instruments, especially in those involving the integration of...
Detection and evaluation of impairments in the baseband section (I/Q impairments) of orthogonal frequency-division multiplexing digital transmitters are dealt with. A new measurement method is, in particular, proposed with the aim of overcoming key limitations exhibited by already-available approaches, which are generally designed for traditional digital transmitters and based on I/Q diagram analysis...
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