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The capacity of a network in which a degraded broadcast channel generates interference to a single-user channel is studied. An achievable rate region based on superposition coding and joint decoding is derived for the discrete case. Outer bounds on the capacity region are obtained for different degradedness conditions. For the Gaussian case, the capacity regions are obtained for very strong and slightly...
The ways of efficiency upgrading of a system of digital data transmission are considered in the article. A new method of increasing of number of channels on one frequency is suggested. It allows enhancing of data transmission rate and interference immunity.
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