New Codes for OFDM with Low PMEPR

Details New Codes for OFDM with Low PMEPR New Codes for OFDM with Low PMEPR

2005-08-03

arxiv.org/abs/cs/0508024v1

Computer Science

Information Theory

To appear in the Proceedings of IEEE International Symposium on Information Theory, Sept. 4-9, 2005, Adelaide, Australia

Scientific paper

In this paper new codes for orthogonal frequency-division multiplexing (OFDM) with tightly controlled peak-to-mean envelope power ratio (PMEPR) are proposed. We identify a new family of sequences occuring in complementary sets and show that such sequences form subsets of a new generalization of the Reed--Muller codes. Contrarily to previous constructions we present a compact description of such codes, which makes them suitable even for larger block lengths. We also show that some previous constructions just occur as special cases in our construction.

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