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In this paper, we face the problem of blind channel estimation in zero padding OFDM systems. Based on the assumption that the transmitted symbols are independent and identically distributed, we propose a blind adaptive estimation algorithm for minimum phase channels, based on Independent Component Analysis, that exploits the particular structure of the ZP-OFDM system model. Some included simulations...
Discrete multitone (DMT) systems need the use of a guard interval, known as cyclic prefix (CP), to avoid intersymbol interference (ISI) and interchannel interference (ICI). Unfortunately, this prefix produces a decrease in the achievable bandwidth efficiency. To overcome this problem, we present in this paper an IIR linear precoder that adds memory in the time-domain, avoiding the need of a guard...
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