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We propose a simple modification to the progressive edge-growth (PEG) algorithm in order to control the girth of low-density parity-check (LDPC) code Tanner graphs constructed. Using the modified algorithm, the edge densities in short irregular rate-% LDPC code graphs can be increased without increasing the correlation between edges in graphs by creating cycles of undesired length. Density evolution...
This paper presents the Geographic Information System designed to map the Historic Core of Split, Croatia. It has been developed with the scope of a student project within an innovative Conceive/Design/Implement/Operate graduate course. The paper describes the technology used to develop and implement the Geographic Information System. Different methods are used to gather the data and digitize the...
The residual BER — error floor, though useful and widely used metrics for the end-to-end digital radio transmission performance, provides no insight into the error-generating analog impairments (e.g. modulation inaccuracy, power amplifier compression, carrier recovery phase error, or I-Q cross-talk), which, however, are easy to identify by VSA tools such as constellation analysis. As the EVM analysis...
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