A new optimised interleaver design for high-dimensional data transmission in SCM-OFDM system Online publication date: Mon, 09-Mar-2020
by N. Rashmi; Mrinal Sarvagya
International Journal of Wireless and Mobile Computing (IJWMC), Vol. 18, No. 2, 2020
Abstract: This paper intends to develop a new interleaver design for SCM-OFDM system. Initially, a set of data is transmitted though SCM-OFDM system, for different Signal-to-Noise Ratios (SNR). In the interleaver of SCM-OFDM, the scramble rule generation is considered as the challenging point, which needs to be optimised to make the system more effective by arranging data in a non-contiguous way. Accordingly, the optimal scramble generation is introduced in this paper using the hybridisation of Rider Optimisation Algorithm (ROA) and Group Search Optimisation (GSO) algorithms. The new hybrid algorithm is termed as GSO Bypass based ROA (GB-ROA). In the receiver side, the same optimised scramble rules are utilised in the deinterleaver, and mean error is computed between the transmitted and received data, considering the entire allotted data. The iterative process of scramble rule generation is repeated until the mean error is a minimum. Finally, the presented model is compared with conventional schemes.
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