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Single-carrier frequency division multiple access (SC-FDMA) has appeared to be a promising technique for high data rate uplink communications. Aimed at SC-FDMA applications, a cyclic prefixed version of the offset quadrature amplitude modulation based OFDM (OQAM-OFDM) is first proposed in this paper. We show that cyclic prefixed OQAM-OFDM (CP-OQAM-OFDM) can be realized within the framework of the...
Single-carrier frequency division multiple access (SC-FDMA) has appeared to be a promising technique for high data rate communication in Long Term Evolution (LTE) uplink. In this paper, we propose an improved turbo equalizer for multiuser multiple-input multiple-output (MU-MIMO) LTE uplink to enhance the performance as the channel statement information is imperfect at the receiver. we derive the optimal...
In this paper, we propose maximum a posteriori probability (MAP) based equalizers for orthogonal frequency division multiplexing (OFDM) systems over time-varying multipath channels. Under the approximation of linear variation in an OFDM symbol, it is easy to obtain the equivalent channel matrix. Based on the Tailbiting trellis structure and the fact that intercarrier interference (ICI) energy is concentrated...
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