Proceedings of International Conference on Applied Innovation in IT
2014/03/27, Volume 2, Issue 1, pp.43-48
Implementation of Reed-Solomon RS(255,239) Code
Abstract: In this paper the construction of Reed-Solomon RS(255,239) codeword is described and the process of coding and decoding a message is simulated and verified. RS(255,239), or its shortened version RS(224,208) is used as a coding technique in Low-Power Single Carrier (LPSC) physical layer, as described in IEEE 802.11ad standard. The encoder takes 239 8-bit information symbols, adds 16 parity symbols and constructs 255-byte codeword to be transmitted through wireless communication channel. RS(255,239) codeword is defined over Galois Field GF and is used for correcting up to 8 symbol errors. RS(255,239) code construction is fully implemented and Simulink test project is constructed for testing and analyzingpurposes.
Keywords: galois field, IEEE 802.11ad, QAM, Reed-Solomon
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