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Russian Researchers Developed a Reliable Forward Error Correction Method For Digital Data

By Science Newsline

June 16, 2017

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Researchers at Peter the Great St. Petersburg Polytechnic University (SPbPU) in Russia have proposed a new channel coding method for the fifth generation of wireless systems (5G).

SPbPU professor Peter Trifonov says they designed codes that surpass state-of-the-art competitors in performance and decoding simplicity.

The researchers generalized the construction of polar codes originally proposed by Turkish scientist Erdal Arikan, and obtained polar subcodes. The team then excluded some codewords from Arikan's polar codes, which could be easily entangled by the receiver, and introduced additional restrictions on the symbols of their codewords in order to simplify the error correction task of the decoder.

In addition, the SPbPU researchers say they proposed a computationally simple decoding algorithm for polar codes and subcodes.

The team says the improved code performance enables communications systems to operate in more challenging environments, resulting in improved coverage and enabling the system to support a larger number of users.

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