2003•Unpublished venueRequires access

A high efficiency equalization used in OFDM

LV Jun-zhe, Hailin Zhang, Liu Zengji

Abstract

In OFDM (Orthogonal Frequency Division Multiplexing) system, if the length of its cyclic prefix is larger than the delay spread of channel, we can get a simple frequency equalizer to demodulate OFDM signal. However, the use of cyclic prefix degrades the efficiency of transmission greatly. So, we give a new equalizing structure, which improve the efficiency of transmission of OFDM system.

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Available abstract

Key concepts: Cyclic prefix, Orthogonal frequency-division multiplexing, Demodulation, Equalization (audio), Computer science, Transmission (telecommunications), Channel (broadcasting), Electronic engineering