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An efficient framework to exploit frequency diversity in OFDM: precoding with adaptive subcarrier selection

Athaudage, Chandranath R; Wang, J; Jayalath, Anagiyaddage Dhammik


We propose adaptive subcarrier selection (ACS) as an efficient technique of improving the error performance of grouped linear constellation precoding (GLCP) OFDM in the low-to-medium SNR range (0-20 dB). Recently, GLCP-OFDM has been proposed to achieve frequency diversity (multipath diversity) in OFDM overcoming the problem of channel nulls (deep fades in frequency-domain). In GLCP-OFDM, symbol precoding is performed on subgroups of OFDM subcarriers rather than on the total number of OFDM...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Conference paper
Source: Proceedings of the 2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio Communications
DOI: 10.1109/PIMRC.2006.254299


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