Low-complexity frequency-domain turbo equalization for single-carrier transmissions over doubly-selective channels

Single-carrier transmissions with frequency-domainequalization have gained much interest due to their comparable complexity and performance to OFDM, which conversely suffers from a high peak-to-average power ratio. In this paper, we develop a new frequency-domain block turbo equalizer for single-carrier (SC) transmissions over doubly-selective channels. The main feature of the proposed equalizer is its low complexity, which is only linear in the block length. A comparison between SC and OFDM systems with channel coding in doubly-selective channels is also given.

• Type: Conference
• Year: 2009
• Where: ICASSP
• Authors: Kun Fang, Luca Rugini, Geert Leus
• Keywords: Block Turbo Equalizer, Doubly-selective Channels, ICASSP 2009, Peak-to-average Power Ratio, Signal Processing