Iterative receivers for OFDM systems with dispersive fading and frequency offset

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Title: Iterative receivers for OFDM systems with dispersive fading and frequency offset
Author: Liu, Hui
Abstract: The presence of dispersive fading and inter -carrier interference (ICI ) constitute the major impediment to reliable communications in orthogonal frequency -division multiplexing (OFDM ) systems . Recently iterative (``Turbo'' ) processing techniques , which have been successfully applied to many detection /decoding problems , have received considerable attention . In this thesis , we first aim on the design of iterative receiver for single antenna OFDM system with frequency offset and dispersive fading . Further work is then extended to space -time block coded (STBC ) OFDM system . At last , the technique is applied to STBC -OFDM system through a newly built channel model , which is based on a physical description of the propagation environment . The performance of such systems are verified by computer simulations . The simulation results show that the iterative techniques work well in OFDM systems .
URI: http : / /hdl .handle .net /1969 .1 /284
Date: 2004-09-30

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Iterative receivers for OFDM systems with dispersive fading and frequency offset. Available electronically from http : / /hdl .handle .net /1969 .1 /284 .

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