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Novel SNR Analysis for adaptive Modulation and Coding in generalized OFDM and single Carrier Systems
Tang L, Mingqi L, Abu-Rgheff MA, Wang H
IEEE Wireless Communications & Networking Conference, pp1384-1388, ISBN: 1-4244-0658-7, 2007
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GOFDM (generalized OFDM) has been proposed as a tradeoff solution between cyclic prefix single carrier (CP-SC) and OFDM system that can alleviate the peak to average power ratio (PAPR) problem of OFDM. In this paper, a novel estimation method for the estimation of the received SNR of GOFDM signal that is required in the adaptive modulation and coding (AMC) is presented. The simulation results of the estimated SNR show excellent correlation with the analytical results. Furthermore, the received SNRs of the GOFDM exhibit repetition of as set values that can be clustered for modulation and coding scheme (MCS) allocation in group-based AMC. The paper also presents various performances of the proposed GOFDM with AMC and compares them with the corresponding performance of OFDM and CP-SC under same operating conditions.

Tang L, Mingqi L, Abu-Rgheff MA, Wang H