OFDM-CDMA Array System for Interference Cancellation
نویسندگان
چکیده
In this paper, an arrayed OFDM-CDMA system is modelled and studied in a frequency-selective environment. A blind near-far resistent channel estimator is devised which provides the joint angle, delay, and channel frequency offset (CFO) as well as the complex fading coefficients estimation. With the estimator integrated as the front-end, a subspace-based zero forcing receiver is used for frequency offset compensation and interference cancellation. The effectiveness of the proposed approach is demonstrated even in the presence of strong interferences by computer simulation studies.
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